Claims
1. A method for recharging electronic cash into a mobile communication device having an electronic cash function from an electronic cash management company, the method comprising the steps of: a) making a call by using the mobile communication device of a user so as to allow the first mobile communication device to be connected to a system of the electronic cash management company in a wireless manner through a mobile communication network; b) inputting a number of an account and an amount of electronic cash to be recharged by using an input device installed in the mobile communication device of the user; c) reading information including a present balance of electronic cash and a number of the mobile communication device recorded in a record medium of an information control device installed in the mobile communication device of the user; d) sending information including the present balance of electronic cash and the number of the mobile communication device together with the number of the account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the electronic cash management company through the mobile communication network; e) determining whether or not the number of the account and the amount of electronic cash to be recharged are normal by using the system of the electronic cash management company; f) adding electronic cash to be recharged to the present balance transmitted into the system of the electronic cash management company; g) transmitting a total amount of electronic cash calculated by adding recharged electronic cash to the
present balance and a finish notification indicating that a recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and h) updating present balance information of the mobile communication device of the user based on the total amount of electronic cash.
2. A method for recharging electronic cash into a mobile communication device having an electronic cash function from an electronic cash management company, the method comprising the steps of: a) making a call by using the mobile communication device of a user so as to allow the first mobile communication device to be connected to a system of the electronic cash management company in a wireless manner through a mobile communication network; b) inputting a number of an account and an amount of electronic cash to be recharged by using an input device installed in the mobile communication device of the user; c) reading a number of the mobile communication device recorded in a record medium of the mobile communication device of the user; d) sending the number of the mobile communication device together with the number of the account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the electronic cash management company through the mobile communication network; e) determining whether or not the number of the account and the amount of electronic cash to be recharged are normal by using the system of the electronic cash management company;
f) transmitting a finish notification indicating that a recharge process is normally carried out from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and g) adding recharged electronic cash to a previous balance of electronic cash and updating present balance information of the mobile communication device of the user based on a total amount of electronic cash.
3. A method for reverse-recharging electronic cash from a mobile communication device having an electronic cash function into an electronic cash management company, the method comprising the steps of: a) making a call by using the mobile communication device of a user so as to allow the first mobile communication device to be connected to a system of the electronic cash management company in a wireless manner through a mobile communication network; b) inputting a number of an account and an amount of electronic cash to be reverse-recharged by using an input device installed in the mobile communication device of the user; c) reading information including a present balance of electronic cash and a number of the mobile communication device recorded in a record medium of an information control device installed in the mobile communication device of the user; d) sending information including the present balance of electronic cash and the number of the mobile communication device together with the number of the account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the electronic cash management company through the mobile communication network;
e) determining whether or not the number of account and the amount of electronic cash to be reverse- recharged are normal by using the system of the electronic cash management company; f) subtracting electronic cash to be reverse- recharged from the present balance transmitted into the system of the electronic cash management company; g) transmitting a total amount of electronic cash calculated by subtracting reverse-recharged electronic cash from the present balance and a finish notification indicating that a reverse-recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and h) updating present balance information of the mobile communication device of the user based on the total amount of electronic cash.
4. A method for reverse-recharging electronic cash from a mobile communication device having an electronic cash function into an electronic cash management company, the method comprising the steps of: a) making a call by using the mobile communication device of a user so as to allow the first mobile communication device to be connected to a system of the electronic cash management company in a wireless manner through a mobile communication network; b) inputting a number of an account and an amount of electronic cash to be reverse-recharged by using an input device installed in the mobile communication device of the user; c) reading a number of the mobile communication device recorded in a record medium of an information control device installed in the mobile communication device of the user;
d) sending the number of the mobile communication device together with the number of the account and the amount of electronic cash to be reverse-recharged, from the mobile communication device to the system of the electronic cash management company through the mobile communication network; e) determining whether or not the number of the account and the amount of electronic cash to be reverse- recharged are normal by using the system of the electronic cash management company; f) transmitting a finish notification indicating that a reverse-recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and g) subtracting reverse-recharged electronic cash from a previous balance of electronic cash and updating present balance information of the mobile communication device of the user based on a total amount of electronic cash.
5. A method for transferring electronic cash from a first user's mobile communication device having an electronic cash function to a second user's mobile communication device having an electronic cash function without using a mobile communication network by allowing the first and second user's mobile communication devices to communicate with each other through RF signals by using external interfaces installed in the first and second user's mobile communication devices, the method comprising the steps of: a) switching an operation mode of the first user's mobile communication device into an electronic cash- transfer mode and inputting an amount of electronic cash to be transferred by using an input device provided in
the first user's mobile communication device; b) transmitting information including the amount of electronic cash to be transferred and a number of the first user's mobile communication device by reading out the number from a record medium of the first user's mobile communication device, from the first user's mobile communication device to the second user ' s mobile communication device through the external interface of the first user's mobile communication device; c) transmitting a number of the second user's mobile communication device and a partial finish notification of an electronic cash-transfer process indicating that the electronic cash-transfer process is normally carried out, from the second user's mobile communication device to the first user's mobile communication device through the external interface of the second user's mobile communication device; d) transmitting a finish notification of the electronic cash-transfer process indicating that an electronic cash-transfer process is normally carried out, from the first user's mobile communication device to the second user's mobile communication device through the external interface of the first user's mobile communication device; e) updating present balance information of the first user's mobile communication device by subtracting transferred electronic cash from a present balance of the first user's mobile communication device by reading out the present balance from the record medium thereof; and f) updating present balance information of the second user's mobile communication device by adding electronic cash to be paid to a present balance of the second user's mobile communication device by reading out the present balance from the record medium thereof.
6. A method for transferring electronic cash from a first user's mobile communication device having an electronic cash function to a second user's mobile communication device having an electronic cash function by allowing the first and second user's mobile communication devices to communicate with each other through a mobile communication network, the method comprising the steps of: a) making a call to the second user's mobile communication device by using the first user's mobile communication device so as to allow the first mobile communication device to be connected to the second user's mobile communication device in a wireless manner through a mobile communication network; b) switching an operation mode of the first user's mobile communication device into an electronic cash- transfer mode and inputting an amount of electronic cash to be transferred by using an input device provided in the first user's mobile communication device; c) transmitting information including the amount of electronic cash to be transferred and a number of the first user's mobile communication device by reading out the number from a record medium of the first user's mobile communication device to the second user's mobile communication device through the mobile communication network; d) transmitting a partial finish notification of an electronic cash-transfer process indicating that the electronic cash-transfer process is normally carried out, from the second user's mobile communication device to the first user's mobile communication device through the mobile communication network; e) transmitting a finish notification of the electronic cash-transfer process indicating that an
electronic cash-transfer process is normally carried out, from the first user's mobile communication device to the second user's mobile communication device through an external interface of the first user's mobile communication device; f) updating present balance information of the first user's mobile communication device by subtracting transferred electronic cash from a present balance of the first user's mobile communication device by reading out the present balance from the record medium thereof; and g) updating present balance information of the second user's mobile communication device by adding electronic cash to be paid to a present balance of the second user's mobile communication device by reading out the present balance from the record medium thereof.
7. A method for performing a payment-transfer process from a user's mobile communication device having an electronic cash function to an electronic cash terminal of a store without using a mobile communication network by allowing the user's mobile communication device and the electronic cash terminal to communicate with each other through RF signals by using external interfaces installed in the user's mobile communication device and the electronic cash terminal of the store, respectively, the method comprising the steps of: a) switching an operation mode of the user's mobile communication device into a payment-transfer mode and inputting an amount of electronic cash to be paid by using an input device provided in the user's mobile communication device; b) transmitting information including the amount of electronic cash to be paid and a number of the user's mobile communication device by reading out the number
from a record medium of the user's mobile communication device, from the user's mobile communication device to the electronic cash terminal of the store through the external interface of the user's mobile communication device; c) transmitting information including a device identification code of the electronic cash terminal and a partial finish notification of the payment-transfer process indicating that the payment-transfer process is normally carried out, from the electronic cash terminal to the user's mobile communication device through the external interface of the electronic cash terminal; d) transmitting a finish notification of the payment-transfer process indicating that the payment- transfer process is normally carried out, from the user's mobile communication device to the electronic cash terminal through the external interface of the user's mobile communication device; e) updating present balance information of the user's mobile communication device by subtracting paid electronic cash from a present balance of the user's mobile communication device by reading out the present balance from the record medium thereof; and f) updating present balance information of the electronic cash terminal by adding electronic cash to be paid to a present balance of the electronic cash terminal by reading out the present balance from the record medium thereof .
8. A method as claimed in any one of claims 5 to 7, wherein the user's mobile communication device does not read out the number of the user's mobile communication device from the record medium thereof and does not transmit the number of the user's mobile communication device into another devices.
9. A method as claimed in claim 7 , wherein the user ' s mobile communication device reads out a machinery number of the user's mobile communication device, instead of the number of the user's mobile communication device, and transmits the machinery number into the electronic cash terminal of the store.
10. A method as claimed in any one of claims 5, 7, 8 and 9, wherein an infrared signal is transmitted through the external interfaces for making communication between devices .
11. A method as claimed in any one of claims 5, 7, 8 and 9, wherein an electronic signal is transmitted through the external interfaces for making communication between devices while arranging the devices to make contact with each other.
12. A method as claimed in any one of claims 5, 7, 8 and 9, wherein a communication is carried out through the external interfaces in a bluetooth communication manner .
13. A method as claimed in any one of claims 5, 7,
8 and 9 , wherein a communication is carried out through the external interfaces in a wireless LAN communication manner .
14. A method as claimed in any one of claims 7 and
9 to 13, further comprising a step of displaying a charge to be paid on a screen of the electronic cash terminal of the store before step (a).
15. A method for checking present balance
information of electronic cash from a mobile communication device having an electronic cash function, the method comprising the steps of: a) switching an operation mode of the mobile communication device into a balance-checking mode by using an input device provided in the mobile communication device; b) reading present balance information recorded in a record medium of the mobile communication device; and c) displaying present balance information on a screen of the mobile communication device by using numeral letters or characters.
16. A method for checking present balance information of electronic cash from a mobile communication device having an electronic cash function, the method comprising the steps of: a) switching an operation mode of the mobile communication device into a balance-checking mode by using an input device provided in the mobile communication device; b) reading present balance information recorded in a record medium of the mobile communication device; and c) outputting present balance information by using a sound signal.
17. A method for checking transaction information of electronic cash from a mobile communication device having an electronic cash function, the method comprising the steps of: a) switching an operation mode of the mobile communication device into a transaction-checking mode by using an input device provided in the mobile communication device; b) reading information in connection with a
transaction including a transaction date, a transaction time, an amount of electronic cash used for the transaction, a number of an account, and a number of the other mobile communication device or a device identification code of an electronic cash terminal of a store, which are recorded in a record medium of the mobile communication device; and c) displaying transaction information on a screen of the mobile communication device by using numeral letters or characters.
18. A method for recharging electronic cash into a mobile communication device having an electronic cash function from an electronic cash management company, the method comprising the steps of: a) accessing to a system of the electronic cash management company through an Internet network by using the mobile communication device; b) inputting a number of an account and an amount of electronic cash to be recharged by using an input device installed in the mobile communication device of the user; c) reading information including a present balance of electronic cash and a number of the mobile communication device recorded in a record medium of an information control device installed in the mobile communication device of the user; d) sending information including the present balance of electronic cash and the number of the mobile communication device together with the number of the account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the electronic cash management company through the Internet network; e) determining whether or not the number of the
account and the amount of electronic cash to be recharged are normal by using the system of the electronic cash management company; f) adding electronic cash to be recharged to the present balance transmitted into the system of the electronic cash management company; g) transmitting a total amount of electronic cash calculated by adding recharged electronic cash to the present balance and a finish notification indicating that a recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the Internet network; and h) updating present balance information of the mobile communication device of the user based on the total amount of electronic cash.
19. A method for recharging electronic cash into a mobile communication device having an electronic cash function from an electronic cash management company, the method comprising the steps of: a) accessing to a system of the electronic cash management company through an Internet network by using the mobile communication device; b) inputting a number of an account and an amount of electronic cash to be recharged by using an input device installed in the mobile communication device of the user; c) reading a number of the mobile communication device recorded in a record medium of the mobile communication device of the user; d) sending the number of the mobile communication device together with the number of the account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the
electronic cash management company through the Internet network; e) determining whether or not the number of the account and the amount of electronic cash to be recharged are normal by using the system of the electronic cash management company; f) transmitting a finish notification indicating that a recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and g) adding recharged electronic cash to a previous balance of electronic cash and updating present balance information of the mobile communication device of the user based on a total amount of electronic cash.
20. A method for reverse-recharging electronic cash from a mobile communication device having an electronic cash function into an ' electronic cash management company, the method comprising the steps of: a) accessing to a system of the electronic cash management company through an Internet network by using the mobile communication device; b) inputting a number of an account and an amount of electronic cash to be reverse-recharged by using an input device installed in the mobile communication device of the user; c) reading information including a present balance of electronic cash and a number of the mobile communication device recorded in a record medium of an information control device installed in the mobile communication device of the user; d) sending information including the present balance of electronic cash and the number of the mobile communication device together with the number of the
account and the amount of electronic cash to be recharged, from the mobile communication device to the system of the electronic cash management company through the Internet network; e) determining whether or not the number of account and the amount of electronic cash to be reverse- recharged are normal by using the system of the electronic cash management company; f) subtracting electronic cash to be reverse- recharged from the present balance transmitted into the system of the electronic cash management company; g) transmitting a total amount of electronic cash calculated by subtracting reverse-recharged electronic cash from the present balance and a finish notification indicating that a reverse-recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the Internet network; and h) updating present balance information of the mobile communication device of the user based on the total amount of electronic cash.
21. A method for reverse-recharging electronic cash from a mobile communication device having an electronic cash function into an electronic cash management company, the method comprising the steps of: a) accessing to a system of the electronic cash management company through an Internet network by using the mobile communication device; b) inputting a number of an account and an amount of electronic cash to be reverse-recharged by using an input device installed in the mobile communication device of the user; c ) reading a number of the mobile communication device recorded in a record medium of an information
control device installed in the mobile communication device of the user; d) sending the number of the mobile communication device together with the number of the account and the amount of electronic cash to be reverse-recharged, from the mobile communication device to the system of the electronic cash management company through the Internet network; e) determining whether or not the number of the account and the amount of electronic cash to be reverse- recharged are normal by using the system of the electronic cash management company; f) transmitting a finish notification indicating that a reverse-recharge process is normally carried out, from the system of the electronic cash management company to the mobile communication device of the user through the mobile communication network; and g) subtracting recharged electronic cash from a previous balance of electronic cash and updating present balance information of the mobile communication device of the user based on a total amount of electronic cash.
22. An electronic cash management system for carrying out recharge, reverse-recharge, electronic cash-transfer and payment-transfer processes of electronic cash, the electronic cash management system comprising: user's mobile communication devices having an electronic cash function; a mobile communication network and an Internet network for relaying data; an electronic cash terminal of a store having an electronic cash function; and a system of an electronic cash management company having a function of managing electronic cash and an
account .
23. A mobile communication device having recharge, reverse-recharge, electronic cash-transfer, payment- transfer, and balance-checking functions for electronic cash, the mobile communication device comprising: a means for transmitting/receiving a signal through a data network; a screen for outputting information; an input button for inputting information; a semiconductor device having information controlling, calculating and recording functions; and an external interface for directly communicating information with other devices .
24. The mobile communication device as claimed in claim 23, wherein a touch screen is provided instead of the input button in order to input information.
25. The mobile communication device as claimed in claim 23, further comprising a touch screen for inputting information.
26. A system of an electronic cash management company for performing recharge and reverse-recharge processes of electronic cash and managing an account of a user, the system comprising: an ARS and an SMS for guiding the user in response to data inputted from the user; a home page server providing a home page to the user; and a computer for controlling, calculating, recording and managing data.
27. An electronic cash terminal system used in a
store having payment-transfer and balance-checking functions of electronic cash, the electronic cash terminal system comprising: a means for transmitting/receiving a signal through a data network; a screen for outputting information; an input button for inputting information; a semiconductor device having information controlling, calculating and recording functions; and an external interface for directly communicating information with a mobile communication device having an electronic cash function.
28. The electronic cash terminal system as claimed in claim 27, wherein a touch screen is provided instead of the input button in order to input information.
29. The electronic cash terminal system as claimed in claim 27, further comprising a touch screen for inputting information.
30. An electronic cash terminal system used in a store having reverse-recharge, electronic cash-transfer, payment-transfer and balance-checking functions for electronic cash, the electronic cash terminal system comprising: a means for transmitting/receiving a signal through a data network; a screen for outputting information; an input button for inputting information; a semiconductor device having information controlling, calculating and recording functions; and an external interface for directly communicating information with a mobile communication device having an electronic cash function.
31. The electronic cash terminal system as claimed in claim 30, wherein a touch screen is provided instead of the input button in order to input information.
32. The electronic cash terminal system as claimed in claim 30, further comprising a touch screen for inputting information.
33. A mobile communication device comprising a means for transferring a value of electronic cash from an account of a financial agency to the mobile communication device by using a mobile phone communication and for adding the value of electronic cash to a value recorded in a memory device of the mobile communication device capable of memorizing the value of electronic cash.
34. A portable mobile communication system carrying out a recharge function by receiving a value of electronic cash from a system of an electronic cash management company, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a mobile communication network or an Internet network; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
35. The portable mobile communication system as claimed in claim 34, further comprising a fifth system for electronically calculating the amount of electronic cash.
36. A portable mobile communication system carrying out a reverse-recharging function by transferring a value of electronic cash to a system of an electronic cash management company, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a mobile communication network or an Internet network; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
37. The portable mobile communication system as claimed in claim 36, further comprising a fifth system for electronically calculating the amount of electronic cash.
38. A portable mobile communication system carrying out an electronic cash-transfer function by transferring a value of electronic cash from a first mobile communication system to a second mobile communication system, the portable mobile communication system comprising:
a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters ; a third system for transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a mobile communication network or an Internet network; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
39. A portable mobile communication system carrying out an electronic cash-transfer function by transferring a value of electronic cash from a first mobile communication system to a second mobile communication system, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a contact-type communication network; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
40. A portable mobile communication system carrying out an electronic cash-transfer function by transferring a value of electronic cash from a first
mobile communication system to a second mobile communication system, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a non-contact type short distance wireless communication manner; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
41. The portable mobile communication system as claimed in claim 40, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
42. The portable mobile communication system as claimed in claim 40, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
43. The portable mobile communication system as claimed in claim 40, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
44. A portable mobile communication system carrying out a payment-transfer function by transferring a value of electronic from the portable mobile communication system to an electronic cash terminal for
a store, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a contact-type communication network; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
45. A portable mobile communication system carrying out a payment-transfer function by transferring a value of electronic cash from the portable mobile communication system to an electronic cash terminal for a store, the portable mobile communication system comprising: a first system for processing data inputted from an external input device to represent numerical letters and orders; a second system for outputting electronic data to an exterior in the form of sound or characters; a third system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a non-contact type short distance wireless communication manner; and a fourth system for electronically writing, reading and storing an amount of electronic cash.
46. The portable mobile communication system as
claimed in claim 45, wherein the non-contact type short distance wireless communication manner includes an infrared communication network.
47. The portable mobile communication system as claimed in claim 45, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
48. The portable mobile communication system as claimed in claim 45, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication network.
49. The portable mobile communication system as claimed in any one of claims 44 to 48, further comprising a fifth system for electronically calculating the amount of electronic cash.
50. A portable mobile communication system for checking a present balance of an electronic cash value recorded therein, the portable mobile communication system comprising: a first system for inputting an order for performing a balance-checking function; a second system for electronically memorizing information about the electronic cash value; and a third system for outputting electronically memorized information of the electronic cash value in the form of sound, or numerical letters and characters.
51. A portable mobile communication system for checking transaction details memorized therein, the portable mobile communication system comprising: a first system for inputting an order for
performing a transaction-checking function; a second system for electronically memorizing information about the transaction details including a transaction date and an amount of electronic cash used for a transaction; and a third system for outputting electronically memorized information of the transaction details in the form of sound, or numerical letters and characters.
52. A mobile communication management system carrying out a recharge function by transferring a value of electronic cash from a system of an electronic cash management company to a portable mobile communication system, the mobile communication management system comprising: a mobile communication network for transferring electronic information and data relating to the value of electronic cash; and a system for relaying electronic information and data relating to the value of electronic cash.
53. An Internet management system carrying out a recharge function by transferring a value of electronic cash from a system of an electronic cash management company to a portable mobile communication system, the Internet management system comprising an Internet-relay computer for transferring electronic information and data relating to the value of electronic cash.
54. A mobile communication management system carrying out a reverse-recharge function by transferring a value of electronic cash from a portable mobile communication system into a system of an electronic cash management company, the mobile communication management system comprising:
a mobile communication network for transferring electronic information and data relating to the value of electronic cash; and a system for relaying electronic information and data relating to the value of electronic cash.
55. An Internet management system carrying out a reverse-recharge function by transferring a value of electronic cash from a portable mobile communication system into a system of an electronic cash management company, the Internet management system comprising an Internet-relay computer for transferring electronic information and data relating to the value of electronic cash.
56. A mobile communication management system carrying out an electronic cash-transfer function by transferring a value of electronic cash from a first portable mobile communication system into a second portable mobile communication system, the mobile communication management system comprising: a mobile communication network for transferring electronic information and data relating to the value of electronic cash; and a system for relaying electronic information and data relating to the value of electronic cash.
57. An Internet management system carrying out an electronic cash-transfer function by transferring a value of electronic cash from a first portable mobile communication system into a second portable mobile communication system, the Internet management system comprising an Internet-relay computer for transferring electronic information and data relating to the value of electronic cash.
58. A system of an electronic cash management company carrying out a recharge function by transferring a value of electronic cash to a portable mobile communication system, the system comprising: a memory device for storing information about an electronic cash value; and a computer system for processing information relating to electronic cash.
59. A system of an electronic cash management company carrying out a reverse-recharge function by receiving a value of electronic cash from a portable mobile communication system, the system comprising: a memory device for storing information about an electronic cash value; and a computer system for processing information relating to electronic cash.
60. A method for performing a payment-transfer process by transferring a value of electronic cash from a portable mobile communication device having an electronic cash function to an electronic cash terminal of a store without using a network by allowing the portable mobile communication device to electronically communicate with the electronic cash terminal through making contact with the electronic cash terminal by using external interfaces installed in the portable mobile communication device and the electronic cash terminal of the store, respectively, the method comprising the steps of: a) transmitting information including an amount of electronic cash to be paid, from the electronic cash terminal to the portable mobile communication device through the external interface of the electronic cash
terminal; b) transmitting information including a device identification code of the portable mobile communication device and a finish notification of the payment-transfer process indicating that the payment-transfer process is normally carried out, from the portable mobile communication device to the electronic cash terminal through the external interface of the portable mobile communication device; c) electronically updating present balance information of the portable mobile communication device stored in a record medium of the portable mobile communication device by subtracting paid electronic cash from a present balance of the portable mobile communication device; and d) electronically updating present balance information of the electronic cash terminal stored in a record medium of the electronic cash terminal by adding to be paid electronic cash to a present balance of the electronic cash terminal.
61. The method as claimed in claim 60, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a non-contact type short distance wireless communication manner.
62. The method as claimed in claim 60, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through an infrared communication manner.
63. The method as claimed in claim 60, wherein electronic signals are communicated between the portable
mobile communication device and the electronic cash terminal of the store through a wireless LAN.
64. The method as claimed in claim 60, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a bluetooth communication manner.
65. The method as claimed in any one of claims 60 to 64, wherein the portable mobile communication device does not transmit the device identification code thereof to the electronic cash terminal of the store.
66. The method as claimed in any one of claims 60 to 65, further comprising a step of allowing the electronic cash terminal to display an amount of electronic cash to be paid on a screen thereof by using numerical letters and characters, or to output the amount electronic cash to be paid through a sound signal.
67. A method for performing a payment-transfer process by transferring a value of electronic cash from a portable mobile communication device having an electronic cash function to an electronic cash terminal of a store without using a network by allowing the portable mobile communication device to electronically communicate with the electronic cash terminal through making contact with the electronic cash terminal by using external interfaces installed in the portable mobile communication device and the electronic cash terminal of the store, respectively, the method comprising the steps of: a) transmitting information including an amount of
electronic cash to be paid, from the electronic cash terminal to the portable mobile communication device through the external interface of the electronic cash terminal; b) transmitting information including a device identification code of the portable mobile communication device and a finish notification of the payment-transfer process indicating that the payment-transfer process is normally carried out, from the portable mobile communication device to the electronic cash terminal through the external interface of the portable mobile communication device; c) electronically updating present balance information of the portable mobile communication device stored in a record medium of the portable mobile communication device by subtracting paid electronic cash from a present balance of the portable mobile communication device; d) transmitting electronic cash information to be paid, from the electronic cash terminal to a designated account of a system of an electronic cash management company; and e) electronically updating present balance information of the electronic cash terminal stored in a record medium of the electronic cash terminal by adding electronic cash to be paid to a present balance of the electronic cash terminal.
68. The method as claimed in claim 67, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a non-contact type short distance wireless communication manner.
69. The method as claimed in claim 67, wherein
electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through an infrared communication manner.
70. The method as claimed in claim 67, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a wireless LAN.
71. The method as claimed in claim 67 , wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a bluetooth communication manner.
72. The method, as claimed in any one. of claims 67 to 71, wherein the portable mobile ^communication device does not transmit the device identification code thereof to the electronic cash terminal of the store.
73. The method as claimed in any one of. claims 67 to 72, further comprising a . step, of allowing the electronic cash terminal to display . an amount of electronic cash to be paid on a screen thereof by using numerical letters and characters, or. to output the amount electronic cash to be paid through a sound signal.
74. A method for performing a recharge process by transferring a value of electronic cash from a system of an electronic cash management company into a portable mobile communication device having an electronic cash function, the method comprising the steps of: a) accessing to the system of the electronic cash
management company through a mobile communication network or an Internet network by using the portable mobile communication device; b) electronically transmitting information about electronic cash to be recharged, which is inputted by a user, from the portable mobile communication device to the system of the electronic cash management company; and c ) updating present balance information of the portable mobile communication device stored in a memory device of the portable mobile communication device by adding electronic cash to be recharged to a present balance of the portable mobile communication device.
75. A method for performing a reverse-recharge process by transferring a value of electronic cash into a system of an electronic cash management company from a portable mobile communication device having an electronic cash function, the method comprising the steps of: a) accessing to the system of the electronic cash management company through a mobile communication network or an Internet network by using the portable mobile communication device; b) electronically transmitting information about electronic cash to be reverse-recharged, which is inputted by a user, from the portable mobile communication device to the system of the electronic cash management company; and c) updating present balance information of the portable mobile communication device stored in a memory device of the portable mobile communication device by subtracting electronic cash to be reverse-recharged from a present balance of the portable mobile communication device.
76. A method for performing an electronic cash- transfer process by transferring a value of electronic cash from a first user's portable mobile communication device having an electronic cash function into a second user's portable mobile communication device having an electronic cash function, the method comprising the steps of: a) connecting the first user's portable mobile communication device to the second user's portable mobile communication device through a mobile communication network or an Internet network; b) transmitting information about electronic cash to be transferred from the first user's portable mobile communication device to the second user's portable mobile communication device; c) updating present balance information of the first user's portable mobile communication device stored in a memory device of the first user's portable mobile communication device by subtracting electronic cash to be transferred from a present balance of the first user's portable mobile communication device; and d) updating present balance information of the second user's portable mobile communication device stored in a memory device of the second user's portable mobile communication device by adding electronic cash to be transferred to a present balance of the portable mobile communication device.
77. A method for performing an electronic cash- transfer process by transferring a value of electronic cash from a first user's portable mobile communication device having an electronic cash function to a second user's portable mobile communication device without using a network by allowing the first user's portable
mobile communication device to electronically communicate with the second user's portable mobile communication device through a contact-type electronic signal communication manner by using external interfaces installed in the first user's portable mobile communication device and the second user's portable mobile communication device, respectively, the method comprising the steps of: a) transmitting information about electronic cash to be transferred from the first user's portable mobile communication device to the second user's portable mobile communication device; b) updating present balance information of the first user's portable mobile communication device stored in a memory device of the first user's portable mobile communication device by subtracting electronic cash to be transferred from a present balance of the first user's portable mobile communication device; and c) updating present balance information of the second user's portable mobile communication device stored in a memory device of the second user's portable mobile communication device by adding electronic cash to be transferred to a present balance of the portable mobile communication device.
78. The method as claimed in claim 77, wherein electronic signals are communicated between the first and second user's portable mobile communication devices through a non-contact type short distance wireless communication manner.
79. The method as claimed in claim 77, wherein electronic signals are communicated between the first and second user's portable mobile communication devices through an infrared communication manner.
80. The method as claimed in claim 77, wherein electronic signals are communicated between first and second user's portable mobile communication devices through a wireless LAN.
81. The method as claimed in claim 77, wherein electronic signals are communicated between the first and second user's portable mobile communication devices through a bluetooth communication manner.
82. A method for performing a payment-transfer process by transferring a value of electronic cash from a portable mobile communication device having an electronic cash function to an electronic cash terminal of a store without using a network by allowing the portable mobile communication device to electronically communicate with the electronic cash terminal through a contact-type electronic signal communication manner by using external interfaces installed in the portable mobile communication device and the electronic cash terminal of the store, respectively, the method comprising the steps of: a) electronically transmitting information including an amount of electronic cash to be paid and a device identification code of the portable mobile communication device, from the portable mobile communication device into the electronic cash terminal through the external interface of the portable mobile communication device; b) transmitting a finish notification of the payment-transfer process indicating that the payment- transfer process is normally carried out, from the electronic cash terminal into the portable mobile communication device through the external interface of
the electronic cash terminal; c) electronically updating present balance information of the portable mobile communication device stored in a record medium of the portable mobile communication device by subtracting paid electronic cash from a present balance of the portable mobile communication device; and d) electronically updating present balance information of the electronic cash terminal stored in a record medium of the electronic cash terminal by adding electronic cash to be paid to a present balance of the electronic cash terminal.
83. The method as claimed in claim 82, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a non-contact type short distance wireless communication manner.
84. The method as claimed in claim 82, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through an infrared communication manner.
85. The method as claimed in claim 82, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a wireless LAN.
86. The method as claimed in claim 82, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a bluetooth communication manner.
87. The method as claimed in any one of claims 82 to 86, wherein the portable mobile communication device does not transmit the device identification code thereof to the electronic cash terminal of the store.
88. The method as claimed in any one of claims 82 to 87, further comprising a step of allowing the electronic cash terminal to display an amount of electronic cash to be paid on a screen thereof by using numerical letters and characters, or to output the amount electronic cash to be paid through a sound signal.
89. A method for performing a payment-transfer process by transferring a value of electronic cash from a portable mobile communication device having an electronic cash function to an electronic cash terminal of a store without using a network by allowing the portable mobile communication device to electronically communicate with the electronic cash terminal through a contact-type electronic signal communication manner by using external interfaces installed in the portable mobile communication device and the electronic cash terminal of the store, respectively, the method comprising the steps of: a) electronically transmitting information including an amount of electronic cash to be paid and a device identification code of the portable mobile communication device, from the portable mobile communication device into the electronic cash terminal through the external interface of the portable mobile communication device; b) transmitting a finish notification of the payment-transfer process indicating that the payment-
transfer process is normally carried out, from the electronic cash terminal into the portable mobile communication device through the external interface of the electronic cash terminal; c) electronically updating present balance information of the portable mobile communication device stored in a record medium of the portable mobile communication device by subtracting paid electronic cash from a present balance of the portable mobile communication device; d) transmitting electronic cash information to be paid, from the electronic cash terminal to a designated account of a system of an electronic cash management company; and d) electronically updating present balance information of the system of the electronic cash management company stored in a record medium of the. system of the electronic cash management company by adding electronic cash to be paid to a present balance of the system of the electronic cash management company.
90. The method as claimed in claim 89, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a non-contact type short distance wireless communication manner.
91. The method as claimed in claim 89, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through an infrared communication manner.
92. The method as claimed in claim 89, wherein electronic signals are communicated between the portable
mobile communication device and the electronic cash terminal of the store through a wireless LAN.
93. The method as claimed in claim 89, wherein electronic signals are communicated between the portable mobile communication device and the electronic cash terminal of the store through a bluetooth communication manner.
94. The method as claimed in any one of claims 89 to 93, wherein the portable mobile communication device does not transmit the device identification code thereof to the electronic cash terminal of the store.
95. The method as claimed in any one of claims 89 to 94, further comprising a step of allowing the electronic cash terminal to display an amount of electronic cash to be paid on a screen thereof by using numerical letters and characters, or to output the amount electronic cash to be paid through a sound signal.
96. An electronic cash terminal system for a store carrying out a payment-transfer process by receiving a value of electronic cash from a portable mobile communication system, the electronic cash terminal system comprising: a data processing system for processing data inputted from an external input device to represent numerical letters and orders; an output system for outputting electronic data to an exterior in the form of sound or characters; a first system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions
relating to electronic cash through a contact-type electronic signal communication manner; and a second system for electronically writing, reading and storing an amount of electronic cash.
97. An electronic cash terminal system for a store carrying out a payment-transfer process by receiving a value of electronic cash from a portable mobile communication system, the electronic cash terminal system comprising: a data processing system for processing data inputted from an external input device to represent numerical letters and orders; an output system for outputting electronic data to an exterior in the form of sound or characters; a first system for electronically transmitting/receiving electronic data relating to electronic cash and orders for performing functions relating to electronic cash through a non-contact type short distance wireless communication manner; and a second system for electronically writing, reading and storing an amount of electronic cash.
98. The method as claimed in claim 97, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
99. The method as claimed in claim 97, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
100. The method as claimed in claim 97, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
101. The method as claimed in any one of claims 97 to 100, further comprising a third system for electronically calculating the amount of electronic cash.
102. A method for checking present balance information of electronic cash from a portable mobile communication device having an electronic cash function, the method comprising the steps of: a) reading present balance information recorded in a record medium of portable the mobile communication device; and b) outputting present balance information by using a sound signal or displaying present balance information on a screen by using numerical letters and characters .
103. A method for checking transaction information of electronic cash from a portable mobile communication device having an electronic cash function, the method comprising the steps of: a) reading information in connection with a transaction including a transaction date and an amount of electronic cash used for the transaction recorded in a record medium of the portable mobile communication device; and b) displaying transaction information on a screen of the mobile communication device by using numeral letters or characters.
104. A portable mobile communication system carrying out an electronic cash recharge function, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and
electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be recharged to a system of an electronic cash management company and electronically receiving information including a finish notification of a recharge process from the system of the electronic cash management company through a mobile communication network, an Internet network or a cable communication network, or through a combination of said networks ; and a second system for memorizing information regarding the amount of electronic cash.
105. The portable mobile communication system as claimed in claim 104, further comprising a third system for electronically calculating the amount of electronic cash.
106. A portable mobile communication system carrying out an electronic cash reverse-recharge function, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be reverse- recharged to a system of an electronic cash management company and electronically receiving information
including a finish notification of a recharge process from the system of the electronic cash management company through a mobile communication network, an Internet network or a cable communication network, or through a combination of said networks; and a second system for memorizing information regarding the amount of electronic cash.
107. The portable mobile communication system as claimed in claim 106, further comprising a third system for electronically calculating the amount of electronic cash.
108. A portable mobile communication system carrying out an electronic cash-transfer function, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be transferred to another portable mobile communication systems and electronically receiving information including a finish notification of an electronic cash-transfer process from another portable mobile communication systems through a mobile communication network, an Internet network or a cable communication network, or through a combination of said networks; and a second system for memorizing information regarding the amount of electronic cash.
109. A portable mobile communication system
carrying out an electronic cash-transfer function, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be transferred to another portable mobile communication systems and receiving information including a finish notification of an electronic cash-transfer process from another portable mobile communication systems through a contact- type electronic signal communication manner; and a second system for memorizing information regarding the amount of electronic cash.
110. The portable mobile communication system as claimed in claim 109, wherein electronic signals are communicated between the portable mobile communication system and another portable mobile communication systems through a non-contact type short distance wireless communication manner, instead of the contact-type electronic signal communication manner.
111. The portable mobile communication system as claimed in claim 110, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
112. The portable mobile communication system as claimed in claim 110, wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
113. The portable mobile communication system as claimed in claim 110, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
114. The portable mobile communication system as claimed in claim 110, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
115. The portable mobile communication system as claimed in any one of claims 108 to 114, further comprising a third system for electronically calculating the amount of electronic cash.
116. A portable mobile communication system carrying out a payment-transfer function for electronic cash, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be paid to an electronic cash terminal system of a store and electronically receiving information including a finish notification of a payment-transfer process from the electronic cash terminal system of the store through a mobile communication network, an Internet network or a cable communication network, or through a combination of said networks; and
a second system for memorizing information regarding the amount of electronic cash.
117. A portable mobile communication system carrying out a payment-transfer function for electronic cash, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for transmitting information including an amount of electronic cash to be paid to an electronic cash terminal system of a store and electronically receiving information including a finish notification of a payment-transfer process from the electronic cash terminal system of the store through a contact-type electronic signal communication manner; and a second system for memorizing information regarding the amount of electronic cash.
118. The portable mobile communication system as claimed in claim 117, wherein electronic signals are communicated between the portable mobile communication system and the electronic cash terminal system of the store through a non-contact type short distance wireless communication manner, instead of the contact-type electronic signal communication manner.
119. The portable mobile communication system as claimed in claim 118, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
120. The portable mobile communication system as claimed in claim 118, wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
121. The portable mobile communication system as claimed in claim 118, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
122. The portable mobile communication system as claimed in claim 118, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
123. The portable mobile communication system as claimed in any one of claims 116 to 122, further comprising a third system for electronically calculating the amount of electronic cash.
124. A portable mobile communication system for checking balance information of electronic cash electronically recorded therein, the portable mobile communication system comprising: an input system for receiving information including orders for performing a balance-checking function and processing inputted information; a system for electronically memorizing information regarding the balance of electronic cash; and an output system for outputting electronic cash balance information, which is electronically memorized in the system, to an exterior as sound information or visual information including numerical letters and characters.
125. A portable mobile communication system for checking transaction details of electronic cash electronically recorded therein, the portable mobile communication system comprising: an input system for inputting information including orders for performing a transaction-checking function and processing inputted information; a system for electronically memorizing transaction information including a transaction date and an amount of electronic cash used for a transaction; and an output system for outputting transaction information including the transaction date and the amount of electronic cash used for the transaction to an exterior as sound information or visual information including numerical letters and characters .
126. A mobile communication network operating system for transferring information with regard to an amount of electronic cash to recharge electronic cash.
127. A cable communication network operating system for transferring information with regard to an amount of electronic cash to recharge electronic cash.
128. An Internet computer system for electronically transferring information with regard to an amount of electronic cash to recharge electronic cash.
129. A mobile communication network operating system for transferring information with regard to an amount of electronic cash to reverse-recharge electronic cash.
130. A cable communication network operating system for transferring information with regard to an amount of electronic cash to reverse-recharge electronic cash.
131. An Internet computer system for electronically transferring information with regard to an amount of electronic cash to reverse-recharge electronic cash.
132. A mobile communication network operating system for transferring information with regard to an amount of electronic cash to perform an electronic cash- transfer.
133. A cable communication network operating system for transferring information with regard to an amount of electronic cash to perform an electronic cash- transfer.
134. An Internet computer system for electronically transferring information with regard to an amount of electronic cash to perform an electronic cash-transfer .
135. A mobile communication network operating system for transferring information with regard to an amount of electronic cash to perform a payment-transfer of electronic cash.
136. A cable communication network operating system for transferring information with regard to an amount of electronic cash to perform a payment-transfer of electronic cash.
137. An Internet computer system for electronically transferring information with regard to an amount of electronic cash to perform a payment- transfer of electronic cash.
138. A system of an electronic cash management company carrying out a recharge of electronic cash, the system comprising: a system for electronically memorizing information regarding an amount of electronic cash; and a computer system for electronically processing a recharge order of electronic cash and calculating electronic cash to be recharged.
139. A system of an electronic cash management company carrying out a reverse-recharge of electronic cash, the system comprising: a system for electronically memorizing information regarding an amount of electronic cash; and a computer system for electronically processing a reverse-recharge order of electronic cash and calculating electronic cash to be reverse-recharged.
140. A system as claimed in claim 138 or 139, further comprising an ARS system for automatically responding to information transmitted from a portable mobile communication system.
141. A system as claimed in any one of claims 138 to 140, further comprising an SMS system for transmitting a character massage.
142. A method for recharging electronic cash into a portable mobile communication device, the method comprising the steps of:
a) connecting the portable mobile communication device to a system of an electronic cash management company through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; b) transmitting information regarding an amount of electronic cash to be recharged, which is inputted by a user, from the portable mobile communication device to the system of the electronic cash management company through the mobile communication • network, the cable communication network or the Internet network, or through a combination of said networks; c) electronically transmitting information regarding a finish notification of a recharge process, from the system of the electronic cash management company to the portable mobile communication device through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; and d) electronically updating and memorizing present balance information of the portable mobile communication device, which is electronically recorded in a memory device of the portable mobile communication device, by adding recharged electronic cash to present balance information of the portable mobile communication device.
143. A method as claimed in claim 142, further comprising a step of electronically updating and memorizing present balance information, which is electronically recorded in a designated account stored in the system of the electronic cash management company, by subtracting recharged electronic cash from present balance information recorded in the designated account.
144. A method for reverse-recharging electronic
cash into a system of an electronic cash management- company, the method comprising the steps of: a) connecting the portable mobile communication device to the system of the electronic cash management company through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; b) transmitting information regarding an amount of electronic cash to be reverse-recharged, which is inputted by a user, from the portable mobile communication device to the system of the electronic cash management company through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; c) electronically transmitting information regarding a finish notification of a reverse-recharge process, from the system of the electronic cash management company to the portable mobile communication device through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; and d) electronically updating and memorizing present balance information of the portable mobile communication device, which is electronically recorded in a memory device of the portable mobile communication device, by subtracting reverse-recharged electronic cash from present balance information of the portable mobile communication device.
145. A method as claimed in claim 144, further comprising a step of electronically updating and memorizing present balance information, which is electronically recorded in a designated account stored in the system of the electronic cash management company, by adding reverse-recharged electronic cash to present
balance information recorded in the designated account.
146. A method for transferring electronic cash from a first user's portable mobile communication device to a second user's portable mobile communication device, the method comprising the steps of: a) connecting the first user's portable mobile communication device to the second user's portable mobile communication device through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; b) transmitting information regarding an amount of electronic cash to be transferred, from the first user's portable mobile communication device to the second user's portable mobile communication device through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; c) electronically transmitting information regarding a finish notification of an electronic cash- transfer process, from the second user's portable mobile communication device to the first user's portable mobile communication device through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; d) electronically updating and memorizing present balance information of the first user's portable mobile communication device, which is electronically recorded in a memory device of the first user's portable mobile communication device, by subtracting electronic cash to be transferred from present balance information of the first user's portable mobile communication device; and e) electronically updating and memorizing present balance information of the second user's portable mobile
communication device, which is electronically recorded in a memory device of the second user's portable mobile communication device, by adding electronic cash to be transferred to present balance information of the second user's portable mobile communication device.
147. A method for transferring electronic cash from a first user's portable mobile communication device to a second user's portable mobile communication device, the method comprising the steps of: a) transmitting information regarding an amount of electronic cash to be transferred, from the first user's portable mobile communication device to the second user's portable mobile communication device through a contact-type electronic signal communication manner by using interfaces installed at the first and second user's portable mobile communication devices, respectively; b) electronically transmitting information regarding a finish notification of an electronic cash- transfer process, from the second user's portable mobile communication device to the first user's portable mobile communication device through the contact-type electronic signal communication manner; c) electronically updating and memorizing present balance information of the first user's portable mobile communication device, which is electronically recorded in a memory device of the first user's portable mobile communication device, by subtracting electronic cash to be transferred from present balance information of the first user's portable mobile communication device; and d) electronically updating and memorizing present balance information of the second user's portable mobile communication device, which is electronically recorded in a memory device of the second user's portable mobile
communication device, by adding electronic cash to be transferred to present balance information of the second user's portable mobile communication device.
148. A method as claimed in claim 147, wherein electronic signals are communicated between first and second user's portable mobile communication devices through a non-contact type short distance wireless communication manner.
149. A method as claimed in claim 147 or 148, further comprising a step of transmitting identification information of the first user's portable mobile communication device to the second user's portable mobile communication device.
150. A method for performing a payment-transfer by using electronic cash from a portable mobile communication system to an electronic cash terminal system of a store, the method comprising the steps of: a) connecting the portable mobile communication system to the electronic cash terminal system through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; b) transmitting information regarding an amount of electronic cash to be paid, from the portable mobile communication system to the electronic cash terminal system through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; c) electronically transmitting information regarding a finish notification of a payment-transfer process, from the electronic cash terminal system of the store to the portable mobile communication system
through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; d) electronically updating and memorizing present balance information of the portable mobile communication system, which is electronically recorded in a memory device of the portable mobile communication system, by subtracting electronic cash to be paid from present balance information of the portable mobile communication system; and e) electronically updating and memorizing present balance information of the electronic cash terminal system of the store, which is electronically recorded in a memory device of the electronic cash terminal system of the store, by adding electronic cash to be paid to present balance information of the electronic cash terminal system of the store.
151. A method for performing a payment-transfer by using electronic cash from a portable mobile communication system to an electronic cash terminal system of a store, the method comprising the steps of: a) transmitting information regarding an amount of electronic cash to be paid, from the portable mobile communication system to the electronic cash terminal system through a contact-type electronic signal communication manner; b) transmitting information regarding a finish notification of a payment-transfer process, from the electronic cash terminal system of the store to the portable mobile communication system through the contact-type electronic signal communication manner; c) electronically updating and memorizing present balance information of the portable mobile communication system, which is electronically recorded in a memory
device of the portable mobile communication system, by subtracting electronic cash to be paid from present balance information of the portable mobile communication system; and d) electronically updating and memorizing present balance information of the electronic cash terminal system of the store, which is electronically recorded in a memory device of the electronic cash terminal system of the store, by adding electronic cash to be paid to present balance information of the electronic cash terminal system of the store.
152. A method as claimed in claim 151, wherein electronic signals are communicated between the portable mobile communication system and the electronic cash terminal system of the store through a non-contact type short distance wireless communication manner.
153. A method as claimed in claim 151 or 152, further comprising a step of displaying the amount of electronic cash to be paid by using numerical letters or characters , or outputting the amount of electronic cash to be paid by using sound.
154. A method as claimed in any one of claims 151 to 153, further comprising a step of transmitting identification information of the portable mobile communication system to the electronic cash terminal system of the store.
155. A method for performing a payment-transfer by using electronic cash from a portable mobile communication system to an electronic cash terminal system of a store, the method comprising the steps of: a) connecting the portable mobile communication
system to the electronic cash terminal system through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; b) transmitting information regarding an amount of electronic cash to be paid, from the electronic cash terminal system to the portable mobile communication system through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; c) electronically transmitting information regarding a finish notification of a payment-transfer process, from the portable mobile communication system to the electronic cash terminal system of the store through the mobile communication network, the cable communication network or the Internet network, or through a combination of said networks; d) electronically updating and memorizing present balance information of the portable mobile communication system, which is electronically recorded in a memory device of the portable mobile communication system, by subtracting electronic cash to be paid from present balance information of the portable mobile communication system; and e) electronically updating and memorizing present balance information of the electronic cash terminal system of the store, which is electronically recorded in a memory device of the electronic cash terminal system of the store, by adding electronic cash to be paid to present balance information of the electronic cash terminal system of the store.
156. A method for performing a payment-transfer by using electronic cash from a portable mobile communication system to an electronic cash terminal
system of a store, the method comprising the steps of: a) transmitting information regarding an amount of electronic cash to be paid, from the electronic cash terminal system to the portable mobile communication system through a contact-type electronic signal communication manner; b) electronically transmitting information regarding a finish notification of a payment-transfer process, from the portable mobile communication system to the electronic cash terminal system of the store through the contact-type electronic signal communication manner; c ) electronically updating and memorizing present balance information of the portable mobile communication system, which is electronically recorded in a memory device of the portable mobile communication system, by subtracting electronic cash to be paid from present balance information of the portable mobile communication system; and e) electronically updating and memorizing present balance information of the electronic cash terminal system of the store, which is electronically recorded in a memory device of the electronic cash terminal system of the store, by adding electronic cash to be paid to present balance information of the electronic cash terminal system of the store.
157. A method as claimed in claim 156, wherein electronic signals are communicated between the portable mobile communication system and the electronic cash terminal system of the store through a non-contact type short distance wireless communication manner.
158. A method as claimed in claim 156 or 157, further comprising a step of displaying the amount of
electronic cash to be paid by using numerical letters or characters, or outputting the amount of electronic cash to be paid by using sound.
159. A method as claimed in any one of claims 156 to 158, further comprising a step of transmitting identification information of the portable mobile communication system to the electronic cash terminal system of the store.
160. A portable mobile communication system carrying out an electronic cash-transfer function, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be transferred from another portable mobile communication systems and transmitting information including a finish notification of an electronic cash-transfer process into another portable mobile communication systems through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; and a second system for electronically memorizing information regarding the amount of electronic cash.
161. A portable mobile communication system carrying out an electronic cash-transfer function, the portable mobile communication system comprising: an input system for receiving information
including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be transferred from another portable mobile communication systems and transmitting information including a finish notification of an electronic cash-transfer process into another portable mobile communication systems through a contact-type electronic signal communication manner; and a second system for electronically memorizing information regarding the amount of electronic cash.
162. The portable mobile communication system as claimed in claim 161, wherein electronic signals are communicated between the portable mobile communication system and another portable mobile communication systems through a non-contact type short distance wireless communication manner, instead of the contact-type electronic signal communication manner.
163. The portable mobile communication system as claimed in claim 162, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
164. The portable mobile communication system as claimed in claim 162, wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
165. The portable mobile communication system as claimed in claim 162, wherein the non-contact type short
distance wireless communication manner includes a wireless LAN.
166. The portable mobile communication system as claimed in claim 162, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
167. The portable mobile communication system as claimed in any one of claims 160 to 166, further comprising a third system for electronically calculating the amount of electronic cash.
168. An electronic cash terminal system for a store carrying out a payiΛent-transfer by using electronic cash, the electronic cash terminal system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be paid from a portable mobile communication system and transmitting information including a finish notification of a payment-transfer process into the portable mobile communication system through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; and a second system for electronically memorizing information regarding the amount of electronic cash.
169. An electronic cash terminal system for a
store carrying out a payment-transfer by using electronic cash, the electronic cash terminal system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be paid from a portable mobile communication system and transmitting information including a finish notification of a payment-transfer process into the portable mobile communication system through an non-contact type electronic signal communication manner; and a second system for electronically memorizing information regarding the amount of electronic cash.
170. The electronic cash terminal system as claimed in claim 169, wherein electronic signals are communicated between the portable mobile communication system and the electronic cash terminal system through a non-contact type short distance wireless communication manner, instead of the contact-type electronic signal communication manner.
171. The electronic cash terminal system portable mobile communication system as claimed in claim 170, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
172. The electronic cash terminal system portable mobile communication system as claimed in claim 170,
wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
173. The electronic cash terminal system portable mobile communication system as claimed in claim 170, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
174. The electronic cash terminal system portable mobile communication system as claimed in claim 170, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
175. The electronic cash terminal system portable mobile communication system as claimed in any one of claims 168 to 174, further comprising a third system for electronically calculating the amount of electronic cash.
176. A portable mobile communication system carrying out a payment-transfer by using electronic cash, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be paid from an electronic cash terminal system of a store and transmitting information including a finish
notification of a payment-transfer process into the electronic cash terminal system of the store through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks ; and a second system for electronically memorizing information regarding the amount of electronic cash.
177. A portable mobile communication system carrying out a payment-transfer by using electronic cash, the portable mobile communication system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically receiving information including an amount of electronic cash to be paid from an electronic cash terminal system of a store and transmitting information including a finish notification of a payment-transfer process into the electronic cash terminal system of the store through a non-contact type electronic signal communication manner; and a second system for electronically memorizing information regarding the amount of electronic cash.
178. The portable mobile communication system as claimed in claim 177, wherein electronic signals are communicated between the portable mobile communication system and the electronic cash terminal system through a non-contact type short distance wireless communication manner.
179. The portable mobile communication system as claimed in claim 178, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
180. The portable mobile communication system as claimed in claim 178, wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
181. The portable mobile communication system as claimed in claim 178, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
182. The portable mobile communication system as claimed in claim 178, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner.
183. The portable mobile communication system as claimed in any one of claims 176 to 182, further comprising a third system for electronically calculating the amount of electronic cash.
184. An electronic cash terminal system for a store carrying out a payment-transfer by using electronic cash, the electronic cash terminal system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical
letters and characters, or as sound information; a first system for electronically transmitting information including an amount of electronic cash to be paid to a portable mobile communication system and electronically receiving information including a finish notification of a payment-transfer process from the portable mobile communication system through a mobile communication network, a cable communication network or an Internet network, or through a combination of said networks; and a second system for electronically memorizing information regarding the amount of electronic cash.
185. An electronic cash terminal system for a store carrying out a payment-transfer by using electronic cash, the electronic cash terminal system comprising: an input system for receiving information including numerical letters and orders and electronically processing information; an output system for outputting electronic data to an exterior as visual information including numerical letters and characters, or as sound information; a first system for electronically transmitting information including an amount of electronic cash to be paid to a portable mobile communication system and electronically receiving information including a finish notification of a payment-transfer process from the portable mobile communication system through a contact- type electronic signal communication manner; and a second system for electronically memorizing information regarding the amount of electronic cash.
186. The electronic cash terminal system as claimed in claim 185, wherein electronic signals are
communicated between the portable mobile communication system and the electronic cash terminal system through a non-contact type short distance wireless communication manner.
187. The electronic cash terminal system portable mobile communication system as claimed in claim 186, wherein the non-contact type short distance wireless communication manner includes an infrared communication manner.
188. The electronic cash terminal system portable mobile communication system as claimed in claim 186, wherein the non-contact type short distance wireless communication manner includes an RF communication manner.
189. The electronic cash terminal system portable mobile communication system as claimed in claim 186, wherein the non-contact type short distance wireless communication manner includes a wireless LAN.
190. The electronic cash terminal system portable mobile communication system as claimed in claim 186, wherein the non-contact type short distance wireless communication manner includes a bluetooth communication manner .
191. The electronic cash terminal system portable mobile communication system as claimed in any one of claims 184 to 190, further comprising a third system for electronically calculating the amount of electronic cash.
192. A method for checking transaction details of
electronic cash from a portable mobile communication system having an electronic cash function, the method comprising the step of: a) reading balance information of electronic cash, which is electronically recorded in a memory device of the portable mobile communication system; and b) displaying balance information of electronic cash as visual information including numerical letters and characters or outputting balance information of electronic cash as sound information.
193. A method for checking transaction details of electronic cash from a portable mobile communication system having an electronic cash function, the method comprising the step of: a) reading transaction information including a transaction date and an amount of electronic cash used for a transaction, which are electronically recorded in a memory device of the portable mobile communication system; and b) displaying transaction information of electronic cash as visual information including the transaction date and the amount of electronic cash used for the transaction as visual information including letters and characters or outputting transaction information of electronic cash as sound information.