CA2168401A1 - Communications display system - Google Patents
Communications display systemInfo
- Publication number
- CA2168401A1 CA2168401A1 CA002168401A CA2168401A CA2168401A1 CA 2168401 A1 CA2168401 A1 CA 2168401A1 CA 002168401 A CA002168401 A CA 002168401A CA 2168401 A CA2168401 A CA 2168401A CA 2168401 A1 CA2168401 A1 CA 2168401A1
- Authority
- CA
- Canada
- Prior art keywords
- data
- display
- data information
- transmitting
- communications
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- 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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Controls And Circuits For Display Device (AREA)
- Small-Scale Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A communications display system equipped with a plural-ity of communications display units each comprising a communicating apparatus 20, an operating apparatus 30 for operating the communicating apparatus 20, and a plurality of child display apparatuses which conduct data communica-tions with the communicating apparatus 20 via wireless transmission paths. The plurality of communicating appara-tuses 20 are connected to each other over a wired network 40.
Description
COMMUNICATIONS DISPLAY SYSTEM
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to a communications display system, and more particularly to a co~mlln;cations display system constructed with a plurality of communica-tions display units each including a communicating appara-tus and a plurality of child display apparatuses.
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to a communications display system, and more particularly to a co~mlln;cations display system constructed with a plurality of communica-tions display units each including a communicating appara-tus and a plurality of child display apparatuses.
2. Description of the Prior Art With a display system of the prior art which comprises a plurality of I/O controllers and a single display appara-tus, the screen of the single display apparatus is split into a plurality of areas on which information from the respective I/O controllers is displayed. This type of display system is described in Japanese Unexamined Patent Application Disclosure HEI 1-251123 (JP-A-01-251123), for example.
However, since the original screen of such a display system-of the prior art is divided, the maximum possible amount of information which may be displayed in each split view is decreased proportionally to the number of divisions in order to ensure readability of the views. Accordingly, the amount of displayed information is sometimes insuffi-cient to perform operations for ordinary work such as ~- 21 68401 clerical or designing work while watching information displayed on the multiview screen.
SU~ARY OF THE INVENTION
It is an object of the present invention to provide a communications display system which overcomes the above-mentioned problems of the prior art.
It is another object of the present invention to provide a comml]n;cations display system which allows display of an ample amount of information from a plurality of sources.
The co-mmlln;cations dlsplay system according to the present invention includes at least one commlln;cating apparatus and a plurality of child display apparatus, the communicating apparatus including a modulator for modulat-ing data information, a transmitter for transmitting the modulated information to one member of the plurality of the child display apparatus, a receiver for receiving a signal from at least one member of the plurality of the child display apparatus, a demodulator for demodulating the receiving signal, a memory for storing the data informa-tion, an operating device, and a controller for transmit-ting the data information to a first member of the plurali-ty of the child display apparatus, and transmitting other data information to a second member of the plurality of the child display apparatus by operation with the operating device, and the child display apparatus including communi-cating section for demodulating and transmitting a data signal to the first means, and receiving and demodulating the data information, a display device for displaying the data information, and a touch sensor for inputting the data signal.
The modulator and the demodulator preferably conduct modulation and determination according to the spread spectrum system.
In addition, the respective communicating apparatus are connected to each other over a wired network, and the comm~n;cating apparatus each may have the transmitter and receiver for comml~n;cating with other communicating appara-tus over the wired network.
It is an additional object of the present invention to provide a method of controlling display of communications with comml~n;cations display system comprising at least one comml1n;cating apparatus and a plurality of the child display apparatus, the comm.unicating apparatus modulating data information, transmitting the modulated information to one mem~ber of the plurality of the child display apparatus, receiving a signal from at least one member of the plurali--`~ 21 68401 ty of the child display apparatus, demodulating the-receiv-ing signal, storing the data information, performing an operation, and transmitting the data information to a first member of the plurality of the child display apparatus and transmitting other data information to a second member of the plurality of the child display apparatus by the opera-tion; and the child display apparatus demodulating and transmitting a data signal to the communicating apparatus, receiving and demodulating the data information, displaying the data information, and inputting the data signal.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description when taken with the accompa-nying drawings in which:
Fig. 1 is a block diagram illustrative of a display system of the prior art;
Fig. 2 is a block diagram illustrative of an embodiment of a parent display apparatus for use in a communications display system according to the present invention;
Eig. 3 is a block diagram illustrative of an embodiment of a co~mlln;cating apparatus for use in a communications display system according to the present invention; and Fig. 4 is a schematic diagram illustrative of a commu-nications display system according to the present inven-tion.
In the drawings, the same reference numerals denote the same structural elements.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
First, to facilitate understanding of the present invention, an example of the prior art will be described with reference to Fig. 1.
Fig. 1 is a block diagram illustrative of the display system described in Japanese Unexamined Patent Application Disclosure HEI 1-251123 (JP-A-01-251123). As illustrated in Fig. 1, this display system is constructed with I/O
controllers 101, 102, and a keyboard/display unit 103.
More specifically, this keyboard/display unit 103 includes a display section 104, an interface section 105, a control circuit 106 and a keyboard section 107. The display section 104 includes a screen A and a screen B. The interface section 105 includes a first interface section 105A and a second interface section 105B.
Data transmitted from the I/O controller 101 to the keyboard/display unit 103 is controlled through the control circuit 106 via the interface section 105A, and is dis-played on the screen A of the display section 104. Like-wise, data transmitted from the I/O controller 102 to the keyboard/display unit 103 is controlled through the control circuit 106 via the interface section 105B, and is dis-played on the screen B of the display section 104. On the other hand, data inputted by operation with keys of the keyboard section 107 is sent to the I/O controller 101 or 102 through either the interface section 105A or the interface section 105B based on detection of predetermined keystrokes by the control circuit 106.
However, it is inconvenient to manipulate much informa-tion with this type of display system since the split views have restricted display capacities. In addition, it is also necessary to reduce the contents of display matching the split views.
The present invention will now be explained with reference to Figs. 2 through 4.
Fig. 2 is a schematic block diagram illustrative of an embodime~t of a child display apparatus for use in a communications display apparatus according to the present invention. As illustrated in Flg. 2, the child display apparatus 10 includes a radio section 1 equipped with an antenna, a modem section 2, a CPU 3, a ROM 4, a RAM 5, a ` -- 21 68401 display driver 6, a display device 7, a sensor interface 8, and a touch sensor 9. The modem section 2 preferably is a spread spectrum modem section.
For transmission to a communicating apparatus, the CPU
However, since the original screen of such a display system-of the prior art is divided, the maximum possible amount of information which may be displayed in each split view is decreased proportionally to the number of divisions in order to ensure readability of the views. Accordingly, the amount of displayed information is sometimes insuffi-cient to perform operations for ordinary work such as ~- 21 68401 clerical or designing work while watching information displayed on the multiview screen.
SU~ARY OF THE INVENTION
It is an object of the present invention to provide a communications display system which overcomes the above-mentioned problems of the prior art.
It is another object of the present invention to provide a comml]n;cations display system which allows display of an ample amount of information from a plurality of sources.
The co-mmlln;cations dlsplay system according to the present invention includes at least one commlln;cating apparatus and a plurality of child display apparatus, the communicating apparatus including a modulator for modulat-ing data information, a transmitter for transmitting the modulated information to one member of the plurality of the child display apparatus, a receiver for receiving a signal from at least one member of the plurality of the child display apparatus, a demodulator for demodulating the receiving signal, a memory for storing the data informa-tion, an operating device, and a controller for transmit-ting the data information to a first member of the plurali-ty of the child display apparatus, and transmitting other data information to a second member of the plurality of the child display apparatus by operation with the operating device, and the child display apparatus including communi-cating section for demodulating and transmitting a data signal to the first means, and receiving and demodulating the data information, a display device for displaying the data information, and a touch sensor for inputting the data signal.
The modulator and the demodulator preferably conduct modulation and determination according to the spread spectrum system.
In addition, the respective communicating apparatus are connected to each other over a wired network, and the comm~n;cating apparatus each may have the transmitter and receiver for comml~n;cating with other communicating appara-tus over the wired network.
It is an additional object of the present invention to provide a method of controlling display of communications with comml~n;cations display system comprising at least one comml1n;cating apparatus and a plurality of the child display apparatus, the comm.unicating apparatus modulating data information, transmitting the modulated information to one mem~ber of the plurality of the child display apparatus, receiving a signal from at least one member of the plurali--`~ 21 68401 ty of the child display apparatus, demodulating the-receiv-ing signal, storing the data information, performing an operation, and transmitting the data information to a first member of the plurality of the child display apparatus and transmitting other data information to a second member of the plurality of the child display apparatus by the opera-tion; and the child display apparatus demodulating and transmitting a data signal to the communicating apparatus, receiving and demodulating the data information, displaying the data information, and inputting the data signal.
BRIEF DESCRIPTION OF THE DRAWINGS
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description when taken with the accompa-nying drawings in which:
Fig. 1 is a block diagram illustrative of a display system of the prior art;
Fig. 2 is a block diagram illustrative of an embodiment of a parent display apparatus for use in a communications display system according to the present invention;
Eig. 3 is a block diagram illustrative of an embodiment of a co~mlln;cating apparatus for use in a communications display system according to the present invention; and Fig. 4 is a schematic diagram illustrative of a commu-nications display system according to the present inven-tion.
In the drawings, the same reference numerals denote the same structural elements.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
First, to facilitate understanding of the present invention, an example of the prior art will be described with reference to Fig. 1.
Fig. 1 is a block diagram illustrative of the display system described in Japanese Unexamined Patent Application Disclosure HEI 1-251123 (JP-A-01-251123). As illustrated in Fig. 1, this display system is constructed with I/O
controllers 101, 102, and a keyboard/display unit 103.
More specifically, this keyboard/display unit 103 includes a display section 104, an interface section 105, a control circuit 106 and a keyboard section 107. The display section 104 includes a screen A and a screen B. The interface section 105 includes a first interface section 105A and a second interface section 105B.
Data transmitted from the I/O controller 101 to the keyboard/display unit 103 is controlled through the control circuit 106 via the interface section 105A, and is dis-played on the screen A of the display section 104. Like-wise, data transmitted from the I/O controller 102 to the keyboard/display unit 103 is controlled through the control circuit 106 via the interface section 105B, and is dis-played on the screen B of the display section 104. On the other hand, data inputted by operation with keys of the keyboard section 107 is sent to the I/O controller 101 or 102 through either the interface section 105A or the interface section 105B based on detection of predetermined keystrokes by the control circuit 106.
However, it is inconvenient to manipulate much informa-tion with this type of display system since the split views have restricted display capacities. In addition, it is also necessary to reduce the contents of display matching the split views.
The present invention will now be explained with reference to Figs. 2 through 4.
Fig. 2 is a schematic block diagram illustrative of an embodime~t of a child display apparatus for use in a communications display apparatus according to the present invention. As illustrated in Flg. 2, the child display apparatus 10 includes a radio section 1 equipped with an antenna, a modem section 2, a CPU 3, a ROM 4, a RAM 5, a ` -- 21 68401 display driver 6, a display device 7, a sensor interface 8, and a touch sensor 9. The modem section 2 preferably is a spread spectrum modem section.
For transmission to a communicating apparatus, the CPU
3 sends data information to the spread spectrum modem section 2. The spread spectrum modem section 2 modulates the data information according to the spread spectrum system, and sends the modulated signal to the radio section 1. The radio section 1 transmits the modulated signal.
On the other hand, for reception from a comm~ln;cating apparatus, the radio section 1 sends the receiving signal received via the antenna to the spread spectrum modem section 2. The spread spectrum modem section 2 demodulates the receiving signal according to the spread spectrum system, and sends the demodulated data signal to the CPU 3.
The CPU 3 sorts out data from the modem section 2 or from the sensor interface 8 into wireless LAN communica-tions control data, display I/O control data, application program data, and temporary transmission data to control the wireless LAN commlln;cations, to control the display I/O, to carry out the application, and to manage the temporary data server based on the contents of the respec-tive data. The display driver 6 drives the display device 7 according to the display output information from the CPU
21 684Ul A signal inputted by handwriting with the touch sensor 9 is converted through the sensor interface 8, and inputted to the CPU 3 as display input information. The RAM 5 stores data which needs to be temporarily stored, and the ROM 4 stores a program for a variety of controls of the CPU
3. The RAM 5 has a storage capacity equivalent to a display capacity sufficient to fill the screen.
Fig. 3 is a schematic block diagram illustrative of an embodiment each of a co~mnn;cating apparatus 20 and an operating section 30 for use in a commlln;cations display system according to the present invention.
As illustrated in Fig. 3, the communicating apparatus 20 includes a radio section 11 equipped with an antenna, a modem section 12, a CPU 13, a bulk memory 14, a ROM 15, a RAM 16, and a network transceiver 21. The modem section 12 preferably is a spread spectrum modem section. The operat-ing section 30 includes an operating section interface 17, an operating device 18, and a parent display apparatus 19.
For transmission to a child display apparatus 10, the CPU 13 sends data information to the spread spectrum modem section 12. The spread spectrum modem section 12 modulates the data information according to the spread spectrum ` ` 2168401 system, and sends the modulated signal to the radio section 11. The radio section 11 transmits the modulated signal to the child display apparatus 10.
On the other hand, upon reception of a signal from a child display apparatus 10, the radio section 11 sends the receiving signal received via the antenna to the spread spectrum modem section 12. The spread spectrum modem section 12 demodulates the receiving signal, and sends the demodulated data signal to the CPU 13.
The CPU 13 sorts out the demodulated data into wireless LAN relay control data, wired network communications control data, operating section control data, application problem data, application library management data, tempo-rary transmission data, and data-server management data, to control the wireless LAN relay, to control the wired - network csmml~n;cations, to control the operating section, to manage the application llbrary, and to manage the data server based on the contents of the respective data.
The operating section interface 17 executes display and operation signal transformation, and inputting with operat-ing keys and driving the parent display apparatus 19 are performed in the operating section 30. The network trans-ceiver 21 executes signal transformation for the wired ;--network. The processed archived information is stored in the bulk memory 14, while the respective data which need to be stored temporarily are stored in the RAM 16, and infor-mation on the basic program for the CPU 13 is stored in the ROM 15.
Fig. 4 is a view illustrative of an example of use of a communications display system according to the present invention when actually attached to a network. The commu-nications display system according to the present invention is equipped with a plurality of communications display units each comprising a communicating apparatus 20, an operating apparatus 30 for operatlng the commlln;cating apparatus 20, and a plurality of child display apparatuses 10 which carry out data communications with the communicat-ing apparatus 20 via wireless transmission paths 32. A
plurality of comml~n;cating apparatuses 20 are connected to each other across a wired network 40.
First, the comml~n;cating apparatuses 20 are booted up with the respective associated operating apparatuses 30 to establish connections between the wireless transmission paths 32 and the wired network 40, and then the child display apparatuses 10 are booted up to carry out the applications stored in the respective internal RAMs, thereby outputting desired work views. The child display apparatuses 10 may be subjected to independent, concurrent processing in this state. Accordingly, it is possible to successively transfer a plurality of views originally displayed in the windows in the parent display apparatus 19 to the child display apparatuses 10 one by one, thus allowing each child display apparatus 10 to store the full-screen data in a buffer and to display its contents;
finally, different views are coincidentally displayed on the screens of the plurality of child display apparatuses 10, and the respective screens may be scaled up or down, edited or otherwise operated as desired.
When it is necessary to exchange information with the communicating apparatus 20 of another communications display unit during working, transmission and reception of data are carried out via the wireless transmission paths 32. In addition, for exchange of data between the child display apparatuses 10, the data is first transmitted to the commlln;cating apparatus 20 via the associated wireless transmission path 32, and then transmitted to another child display apparatus 10 via another wireless transmission path 32 under the control of the communicating apparatus 20 over wireless LAN relay. The child display apparatuses 10 all have unique IDs, and are operated according to separate spread spectrum patterns without interfering with each 21 68~01 other.
Furthermore, in cases where it is necessary to exchange information with another communications display unit on the wired network 40, transmission and reception of data are carried out via the communications control section of the wired network 40. In addition, in cases where it is necessary to access an identical system stored in a disk or the like in another communications display unit for exchange of information, transmission and reception of data between the associated communicating apparatuses 20 and the child display apparatuses 10 are carried out by, for example, booting up the remote child display apparatus 10 using the remote comml1n;cations display unit, and executing communications via the wireless transmission paths 32, the communicating apparatuses 20 and the wired network 40.
Information on the co~mt]n;cating apparatuses 20, the wired network 40 and the wireless LAN relay control is displayed on the operating apparatuses 30.
As explained above, the communications display system according to the present invention, being equipped with a plurality of comml1n;cations display units each comprising a communicating apparatus, an operating apparatus for operat-ing the comml]n;cating apparatus, and a plurality of child display apparatuses which conduct data communications with the communicating apparatus via wireless transmission paths, and being designed to transmit, from the communicat-ing apparatus to the plurality of child display apparatus-es, the information to be displayed on the respective child display apparatuses, allows display of an ample amount of information on the plurality of child display apparatuses provided in number matching the required amount of informa-tion, even in cases where each child display apparatus has a m;nimllm storage area required for its work.
On the other hand, for reception from a comm~ln;cating apparatus, the radio section 1 sends the receiving signal received via the antenna to the spread spectrum modem section 2. The spread spectrum modem section 2 demodulates the receiving signal according to the spread spectrum system, and sends the demodulated data signal to the CPU 3.
The CPU 3 sorts out data from the modem section 2 or from the sensor interface 8 into wireless LAN communica-tions control data, display I/O control data, application program data, and temporary transmission data to control the wireless LAN commlln;cations, to control the display I/O, to carry out the application, and to manage the temporary data server based on the contents of the respec-tive data. The display driver 6 drives the display device 7 according to the display output information from the CPU
21 684Ul A signal inputted by handwriting with the touch sensor 9 is converted through the sensor interface 8, and inputted to the CPU 3 as display input information. The RAM 5 stores data which needs to be temporarily stored, and the ROM 4 stores a program for a variety of controls of the CPU
3. The RAM 5 has a storage capacity equivalent to a display capacity sufficient to fill the screen.
Fig. 3 is a schematic block diagram illustrative of an embodiment each of a co~mnn;cating apparatus 20 and an operating section 30 for use in a commlln;cations display system according to the present invention.
As illustrated in Fig. 3, the communicating apparatus 20 includes a radio section 11 equipped with an antenna, a modem section 12, a CPU 13, a bulk memory 14, a ROM 15, a RAM 16, and a network transceiver 21. The modem section 12 preferably is a spread spectrum modem section. The operat-ing section 30 includes an operating section interface 17, an operating device 18, and a parent display apparatus 19.
For transmission to a child display apparatus 10, the CPU 13 sends data information to the spread spectrum modem section 12. The spread spectrum modem section 12 modulates the data information according to the spread spectrum ` ` 2168401 system, and sends the modulated signal to the radio section 11. The radio section 11 transmits the modulated signal to the child display apparatus 10.
On the other hand, upon reception of a signal from a child display apparatus 10, the radio section 11 sends the receiving signal received via the antenna to the spread spectrum modem section 12. The spread spectrum modem section 12 demodulates the receiving signal, and sends the demodulated data signal to the CPU 13.
The CPU 13 sorts out the demodulated data into wireless LAN relay control data, wired network communications control data, operating section control data, application problem data, application library management data, tempo-rary transmission data, and data-server management data, to control the wireless LAN relay, to control the wired - network csmml~n;cations, to control the operating section, to manage the application llbrary, and to manage the data server based on the contents of the respective data.
The operating section interface 17 executes display and operation signal transformation, and inputting with operat-ing keys and driving the parent display apparatus 19 are performed in the operating section 30. The network trans-ceiver 21 executes signal transformation for the wired ;--network. The processed archived information is stored in the bulk memory 14, while the respective data which need to be stored temporarily are stored in the RAM 16, and infor-mation on the basic program for the CPU 13 is stored in the ROM 15.
Fig. 4 is a view illustrative of an example of use of a communications display system according to the present invention when actually attached to a network. The commu-nications display system according to the present invention is equipped with a plurality of communications display units each comprising a communicating apparatus 20, an operating apparatus 30 for operatlng the commlln;cating apparatus 20, and a plurality of child display apparatuses 10 which carry out data communications with the communicat-ing apparatus 20 via wireless transmission paths 32. A
plurality of comml~n;cating apparatuses 20 are connected to each other across a wired network 40.
First, the comml~n;cating apparatuses 20 are booted up with the respective associated operating apparatuses 30 to establish connections between the wireless transmission paths 32 and the wired network 40, and then the child display apparatuses 10 are booted up to carry out the applications stored in the respective internal RAMs, thereby outputting desired work views. The child display apparatuses 10 may be subjected to independent, concurrent processing in this state. Accordingly, it is possible to successively transfer a plurality of views originally displayed in the windows in the parent display apparatus 19 to the child display apparatuses 10 one by one, thus allowing each child display apparatus 10 to store the full-screen data in a buffer and to display its contents;
finally, different views are coincidentally displayed on the screens of the plurality of child display apparatuses 10, and the respective screens may be scaled up or down, edited or otherwise operated as desired.
When it is necessary to exchange information with the communicating apparatus 20 of another communications display unit during working, transmission and reception of data are carried out via the wireless transmission paths 32. In addition, for exchange of data between the child display apparatuses 10, the data is first transmitted to the commlln;cating apparatus 20 via the associated wireless transmission path 32, and then transmitted to another child display apparatus 10 via another wireless transmission path 32 under the control of the communicating apparatus 20 over wireless LAN relay. The child display apparatuses 10 all have unique IDs, and are operated according to separate spread spectrum patterns without interfering with each 21 68~01 other.
Furthermore, in cases where it is necessary to exchange information with another communications display unit on the wired network 40, transmission and reception of data are carried out via the communications control section of the wired network 40. In addition, in cases where it is necessary to access an identical system stored in a disk or the like in another communications display unit for exchange of information, transmission and reception of data between the associated communicating apparatuses 20 and the child display apparatuses 10 are carried out by, for example, booting up the remote child display apparatus 10 using the remote comml1n;cations display unit, and executing communications via the wireless transmission paths 32, the communicating apparatuses 20 and the wired network 40.
Information on the co~mt]n;cating apparatuses 20, the wired network 40 and the wireless LAN relay control is displayed on the operating apparatuses 30.
As explained above, the communications display system according to the present invention, being equipped with a plurality of comml1n;cations display units each comprising a communicating apparatus, an operating apparatus for operat-ing the comml]n;cating apparatus, and a plurality of child display apparatuses which conduct data communications with the communicating apparatus via wireless transmission paths, and being designed to transmit, from the communicat-ing apparatus to the plurality of child display apparatus-es, the information to be displayed on the respective child display apparatuses, allows display of an ample amount of information on the plurality of child display apparatuses provided in number matching the required amount of informa-tion, even in cases where each child display apparatus has a m;nimllm storage area required for its work.
Claims (8)
1. A communications display system comprising:
at least one first means and a plurality of second means, said first means comprising:
modulating means for modulating data information;
transmitting means for transmitting the modulated information to one member of said plurality of second means;
receiving means for receiving a signal from at least one member of said plurality of second means;
demodulating means for demodulating the receiving signal;
storage means for storing said data information;
operating means; and control means for transmitting said data information to a first member of said plurality of second means, and transmitting other data information to a second member of said plurality of second means by operation with said operating means, and said second means comprising:
communicating means for demodulating and transmitting a data signal to said first means, and receiving and demodu-lating said data information;
display means for displaying said data information; and input means for inputting said data signal.
at least one first means and a plurality of second means, said first means comprising:
modulating means for modulating data information;
transmitting means for transmitting the modulated information to one member of said plurality of second means;
receiving means for receiving a signal from at least one member of said plurality of second means;
demodulating means for demodulating the receiving signal;
storage means for storing said data information;
operating means; and control means for transmitting said data information to a first member of said plurality of second means, and transmitting other data information to a second member of said plurality of second means by operation with said operating means, and said second means comprising:
communicating means for demodulating and transmitting a data signal to said first means, and receiving and demodu-lating said data information;
display means for displaying said data information; and input means for inputting said data signal.
2. A communications display system as claimed in claim 1, wherein said modulating means and said demodulating means conduct modulation and determination according to the spread spectrum system.
3. A communications display system as claimed in claim 1, wherein said first means is present in a plural number, and the respective first means are connected to each other over a wired network.
4. A communications display system as claimed in claim 3, wherein said first means each have transmit-ting/receiving means for communicating with other first means over said wired network.
5. A method of controlling display of communications with communications display system comprising at least one first means and a plurality of second means, said first means modulating data information, transmit-ting the modulated information to one member of said plurality of second means, receiving a signal from at least one member of said plurality of second means, demodulating the receiving signal, storing said data information, performing an operation, transmitting said data information to a first member of said plurality of second means, and transmitting other data information to a second member of said plurality of second means by said operation; and said second means demodulating and transmitting a data signal to said first means, receiving and demodulating said data information, displaying said data information, and inputting said data signal.
6. A method as claimed in claim 5, wherein said modulation and said demodulation are performed according to the spread spectrum system.
7. A method as claimed in claim 5, wherein said first means are present in a plural number, and the respective first means are connected to each other over a wired network.
8. A method as claimed in claim 7, wherein said first means communicate with other first means over said wired network.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14597/1995 | 1995-01-31 | ||
| JP1459795A JPH08204726A (en) | 1995-01-31 | 1995-01-31 | Communication display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2168401A1 true CA2168401A1 (en) | 1996-08-01 |
Family
ID=11865601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002168401A Abandoned CA2168401A1 (en) | 1995-01-31 | 1996-01-30 | Communications display system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPH08204726A (en) |
| AU (1) | AU691383B2 (en) |
| CA (1) | CA2168401A1 (en) |
| GB (1) | GB2297640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2437787A (en) * | 2006-05-02 | 2007-11-07 | Answerback Ltd | Electronic system for determining user response |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4415065A (en) * | 1980-11-17 | 1983-11-15 | Sandstedt Gary O | Restaurant or retail vending facility |
| AU4755885A (en) * | 1984-09-26 | 1986-04-10 | Validec Inc. | Automated ordering and accounting system |
| GB8510410D0 (en) * | 1985-04-24 | 1985-06-26 | Fords Ltd | Multiple display system |
| US4777488A (en) * | 1986-05-16 | 1988-10-11 | Cw Products, Inc. | Restaurant service request communications system |
| GB2196766A (en) * | 1986-10-13 | 1988-05-05 | Sangyai Pitayanukul | Computer communication system |
| JPH0683124B2 (en) * | 1987-07-02 | 1994-10-19 | 日本電気株式会社 | Wireless system |
| GB9027206D0 (en) * | 1990-12-14 | 1991-02-06 | Gear Anthony R E | Group communication system |
| JPH066355A (en) * | 1992-06-19 | 1994-01-14 | Nec Corp | Node interface equipment |
| JPH06152773A (en) * | 1992-11-11 | 1994-05-31 | Matsushita Electric Ind Co Ltd | Radio vending machine system |
| IT1271744B (en) * | 1994-03-15 | 1997-06-09 | Marco Faita | ELECTRONIC DEVICE FOR REMOTE DISPLAY OF INFORMATION |
-
1995
- 1995-01-31 JP JP1459795A patent/JPH08204726A/en active Pending
-
1996
- 1996-01-30 AU AU42267/96A patent/AU691383B2/en not_active Ceased
- 1996-01-30 GB GB9601858A patent/GB2297640B/en not_active Expired - Fee Related
- 1996-01-30 CA CA002168401A patent/CA2168401A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU4226796A (en) | 1996-08-08 |
| GB2297640B (en) | 1997-07-16 |
| GB2297640A (en) | 1996-08-07 |
| GB9601858D0 (en) | 1996-04-03 |
| AU691383B2 (en) | 1998-05-14 |
| JPH08204726A (en) | 1996-08-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Dead |