Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
  • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
  • G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
  • G06F3/0233—Character input methods
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06F—ELECTRIC DIGITAL DATA PROCESSING
  • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
  • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
  • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
  • G06F3/0202—Constructional details or processes of manufacture of the input device
  • G06F3/021—Arrangements integrating additional peripherals in a keyboard, e.g. card or barcode reader, optical scanner

Definitions

• the present invention relates to a letter input device, a mobile phone
• present invention relates to a letter input device, a mobile telephone system
• dialing keyboard are designed to have multi key functions by combining the
• a conventional letter input device comprises a keyboard on which a
• the micro computer reads scan
• FIG. 1 shows a general arrangement state of number keys of a dialing keyboard.
• the ten number keys of the dialing button of the telephone respectively enable to input three English and Korean letters, a control key, an asterisk and a pound sign.
• a user dials a telephone number via the ten number keys on the
• the letter input device of the dialing keyboard must refer to the key
• the micro computer checks the key combination previously input to the number 1 key,
• each letter combination has a predetermined number of the pause, a time of inputting the letters are increased.
• the English letter input device support English upper and
• a letter input device comprises: a keyboard for assigning a sequent order of
• the keyboard comprises: a control key for selecting a function of the letter input device; and an English letter key unit including a sequent
• the controller receives inputs generated by the sequent order key
• the controller controls to display a first English letter among the
• FIG. 1 shows a general arrangement state of number keys of a
• FIG. 2 shows a key combination of a conventional dialing keyboard
• FIG. 3 shows a schematic diagram of a mobile telephone having a letter input device according to a preferred embodiment of the present invention
• FIG. 4 shows a first preferred embodiment of an English letter key unit of the letter input device according to the preferred embodiment of the present invention
• FIG. 5 shows a key input order for inputting English lower cases of the first preferred embodiment of the English letter key unit of the letter input
• FIG. 6 shows a key input order for inputting English upper cases of the first preferred embodiment of the English letter key unit of the letter input
• FIG. 7 shows a second preferred embodiment of an English letter
• FIG. 8 shows a third preferred embodiment of an English letter key
• FIG. 9 shows a fourth preferred embodiment of an English letter key
• FIG. 10 shows a fifth preferred embodiment of an English letter key
• FIG. 11 shows a sixth preferred embodiment of an English letter key
• FIG. 12 shows a key input order for inputting English upper cases of
• FIG. 13 shows a key input order for inputting English lower cases of
• FIG. 14 shows a seventh preferred embodiment of an English letter
• FIGs. 15 to 17 show tables of comparing the key input numbers for
• FIG. 3 shows a schematic diagram of a mobile telephone having a
• the mobile telephone comprises an antenna 20 for wirelessly receiving a predetermined signal from a base station; a keyboard 50 including an English letter key unit 52 for assigning a plurality of English
• the micro computer 12 switches the
• control key 51 can be located in various ways, and can select various additional services such as a power on/off function, a letter input mode switching function and a short message selection function,
• the micro computer 12 wirelessly transmits the corresponding letter stream via the
• the asterisk key has a shift function for dividing the upper cases and
• second or the third order as a default order, that is, the first order.
• the number zero key sets the sequent order of the English letter as
• FIG. 4 shows a first preferred embodiment of an English letter key
• key unit 52 is that the sequent order keys (the asterisk key, the number zero
• the asterisk sign indicates an upper case and lower case input
• the asterisk key resets the previous second or third sequent order to
• the default value that is, the first order.
• the respective keys is assigned to the number zero key, and a function for assigning the third letter is provided to the pound sign key.
• the micro computer 12 generates 26 upper cases and 26 lower cases and displays the same on the display 60 via the inputs of the sequent order keys and the English letter keys.
• the Korean letters and the English letter keys are the Korean letters and the English letter keys.
• FIG. 5 shows a table for inputting the English lower cases using the
• FIG. 6 shows a table for inputting the English upper cases.
• the input methods can be varied, and an order of the
• FIG. 7 shows a second preferred embodiment of the English letter key unit.
• the number zero key and the pound sign key and respectively represent corresponding orders are printed as 2 nd and 3 rd . They have identical functions, and a preferred embodiment of inputting the English letters is identical with
• the SHC printed on the asterisk key represents a combined word of 'shift' with 'cancel' for changing the upper case and the lower case
• FIG. 8 shows a third embodiment of the English letter key unit. Since the third embodiment does not support the function of changing the upper
• embodiment can only support the lower cases.
• FIG. 9 shows a fourth embodiment of the English letter key unit.
• the notations (2) and (3) are removed on the assumption that the user can
• FIGs. 5 An example of inputting the English letters is shown in FIGs. 5
• FIG. 10 shows a fifth embodiment of the English letter key unit.
• FIG. 11 shows a sixth embodiment of the English letter key unit.
• the third arranged English letter is input, and when the user presses the
• FIG. 12 shows a key input order of a table for inputting the upper
• FIG. 13 shows a table of a key input order for inputting the English
• FIG. 14 shows a seventh embodiment of the English letter key unit.
• the seventh embodiment is convenient when the user uses his both hands to
• FIGs. 15 to 17 show results for comparing the key input number of times in the case of inputting the English letters using the English letter key
• the present invention reduces the key
• the present invention can be applied to bi-directional wireless

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Theoretical Computer Science (AREA)
• Human Computer Interaction (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Computer Networks & Wireless Communication (AREA)
• Signal Processing (AREA)
• Input From Keyboards Or The Like (AREA)
• Telephone Function (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=19670184

Family Applications (1)

Country Status (3)

Cited By (5)

Families Citing this family (1)

Citations (4)

Family Cites Families (3)

• 2000
  • 2000-05-25 KR KR10-2000-0028253A patent/KR100386944B1/ko not_active IP Right Cessation
• 2001
  • 2001-04-09 AU AU2001248887A patent/AU2001248887A1/en not_active Abandoned
  • 2001-04-09 WO PCT/KR2001/000590 patent/WO2001091421A2/en active Application Filing

Patent Citations (4)

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