JP5056217B2 - Push-button telephone, image sharing system and method - Google Patents

Description

  The present invention relates to a mechanical push button telephone, and more particularly to a push button telephone capable of displaying data such as characters, images and figures.

Push-button telephones are easier to use for making calls than mobile telephones and systems that implement telephone functions with software. Has become the mainstream. Recently, there is also a push-button telephone that can store data such as images and characters and display data on a liquid crystal screen (see Patent Document 1).
Japanese Patent Laid-Open No. 2003-87435

  Unlike an input device (keyboard) such as a personal computer, the arrangement of push buttons in a push button telephone is designed in consideration of ease of use for inputting a telephone number. For this reason, it is not easy to edit image and character data using a push button in a push button type telephone.

  Moreover, since the display part of a push button telephone is an auxiliary | assistant thing, the display screen is small. In addition to being unsuitable for data editing work, a small display screen makes it difficult to display detailed data when displaying data such as images and characters.

  In addition, push button type telephones have poor workability in data editing as described above. For example, in a situation where image and text data are edited and transmitted to another telephone connected to the call, editing is performed. The work takes time, and as a result, the call connection time increases. Due to the increased call connection time, the telephone fee charged is also increased.

  An object of the present invention is to provide a push button telephone that can solve the above problems and can easily edit data such as images and characters.

In order to achieve the above object, a push button telephone of the present invention is a push button telephone that includes a plurality of buttons and outputs a dial signal in response to an input operation using the buttons. An interface unit for transmitting and receiving an image signal to and from the device, and a computer unit for displaying an image based on the image signal received from the external device through the interface unit on the display unit, the display unit The computer unit operates as a display screen of the external device, and the computer unit transmits an image signal received from the external device to another push button telephone connected to the push button telephone. .

The image sharing system of the present invention includes a plurality of buttons, a push button telephone that outputs a dial signal in response to an input operation using the buttons, and an information processing interconnected with the push button telephone. And the push button telephone has a first display unit, and a computer unit that displays an image based on an image signal received from the information processing terminal on the first display unit. The information processing terminal includes a second display unit, an input unit capable of inputting and operating information, and first image data mapped on the first and second display units, respectively. And a storage unit having a second memory area, and a first image signal based on the image data mapped to the first memory area is transmitted to the push button telephone, and the first image An image processing unit that displays an image based on a signal on the first display unit and displays an image based on a second image signal based on the image data mapped in the second memory area on the second display unit The image processing unit receives a signal corresponding to an input operation from the input unit, and controls for operating the images displayed on the first and second display units according to the received signal It is characterized by performing. Further, the image sharing system further includes at least one other push button telephone connected to the push button telephone. The computer unit transmits an image signal received from the information processing terminal to the other push-button telephone connected to the call, and the other push-button telephone includes a third display unit, and the computer An image based on the image signal transmitted by the unit is displayed on the third display unit.

  In the image sharing system, the image processing unit may perform control for moving a displayed image between the screens of the first and second display units.

  According to the push button telephone of the present invention, since the display unit of the push button telephone operates as a display screen of the external device, the user of the push button telephone can use the display unit of the push button telephone. While viewing the screen, it is possible to perform operations such as editing a display image using an input unit (such as a keyboard) of an external device. As a result, the workability in data editing is improved, and as a result, editing operations can be performed in a shorter time in situations such as editing image and text data to other call-connected telephones. It becomes possible.

  Also according to the image sharing system of the present invention, the first display unit of the push button telephone operates as the display screen of the information processing terminal, so that the user of the push button telephone can use the first display unit of the push button telephone. While viewing this screen, it is possible to perform operations such as editing the display image using the input unit (keyboard or the like) of the information processing terminal. Thereby, the workability in data editing is improved.

  In addition, since the displayed image can be moved between the screens of the first and second display units, for example, it is displayed on the screen of the first display unit of the push button telephone. The image can be moved on the screen of the second display unit of the information processing terminal. Usually, since the screen of the second display unit of the information processing terminal is larger than the screen of the first display unit of the push button telephone, the screen of the second display unit is changed from the screen of the first display unit. It is possible to display an image on a larger screen by moving the image. Thereby, detailed display of data becomes possible.

  Next, embodiments of the present invention will be described with reference to the drawings.

  1A and 1B are diagrams for explaining a push-button telephone according to an embodiment of the present invention, in which FIG. 1A is a schematic view of the telephone as viewed from the front, and FIG. 1B is an operation panel unit of the telephone. It is a schematic diagram. FIG. 2 is a block diagram showing a hardware configuration of the push button telephone.

  As shown in FIG. 1 (a), the push button telephone is a desk phone, and its main part is composed of a main body part 4 and a handset part 1 connected to the main body part 4 by wire. The communication between the main body unit 4 and the receiver unit 1 may be wireless communication.

  The main unit 4 has a telephone operation unit 5a on the board surface 5 at the top of the casing, and a computer unit 3 connected to the receiver unit 1 and the telephone operation unit 5a inside the casing. The main body portion 4 includes a hook portion for placing the receiver portion 1, and a hook switch 2 is provided on the hook portion.

  The hook switch 2 is a switch that mechanically detects a state in which the receiver unit 1 is placed on the hook unit (on-hook state) and a state in which the receiver unit 1 is picked up from the hook unit (off-hook state). The hook switch 2 outputs an off-hook / on-hook signal indicating the state of the handset unit 1. The off-hook / on-hook signal is supplied to the computer unit 3 via an interface such as a USB (Universal Serial Bus).

  The computer unit 3 is installed with an IP softphone that performs communication using the Internet protocol, and also has a videophone function.

  As shown in FIG. 1 (b), on the board surface 5 of the main body unit 4, a display unit 11, a line button unit 12, a key unit 13, a function button unit 14, a digital button unit 15, a camera unit 16, and a speaker unit 17. A microphone unit 18 and a pointing device (mouse) unit 19 are provided.

  The display unit 11 includes a liquid crystal display or a liquid crystal touch panel. When the display unit 11 is a liquid crystal touch panel, the pointing device unit 19 can be omitted. The line button unit 12 includes a plurality of buttons connected to the computer unit 3 through an interface such as a USB. These buttons input / output from / to the external interface of the softphone. Specifically, a line button lighting / extinguishing signal or the like is received from the softphone as an input, and a line button pressing signal is passed to the softphone as an output.

  The key unit 13 has a mechanical push button 13a for performing a dial operation. Push button on / off is detected by mechanical contact. The push button telephone outputs a dial signal corresponding to an input operation using the push button 13a. Of the keys provided on a standard computer keyboard, such as direction keys and return keys, only keys that are mainly used for telephone operations using a softphone are arranged.

  The arrangement of a general telephone push button is different from the arrangement of a numeric keypad of a computer. Here, the arrangement of a telephone push button is used. By arranging only the push buttons and focusing on the necessary keys, it is possible to obtain an appearance, size, and operability close to those of a telephone rather than a computer. When a standard keyboard is desired, a USB keyboard can be connected to the USB interface of the computer unit 3 for use.

  The function button unit 14 includes a reset button 14a, a hold button 14b, a transfer button 14c, and a hook button 14d. These buttons are connected to the computer unit 3 through an interface such as USB, and input / output is performed with respect to the external interface of the softphone, and a function button pressing signal is passed to the softphone as an output.

  The reset button 14a is a button for forcibly returning the telephone to a preset state when it is desired to make a call regardless of the state of the telephone.

  The digital-less button unit 15 is connected to the computer unit 3 through an interface such as a USB, and performs input / output to / from an external interface (API: Application Program Interface) of the softphone and presses the digital-less button to the softphone Pass signal as output. The purpose of the Desires button unit 15 is to enable the softphone to display the function of the Desires button on the screen of the display unit 11 adjacent to the Desires button, and depending on the state of the softphone, The display is changed so that the meaning of the digital button press signal can be interpreted by the softphone according to the state.

  The camera unit 16 is connected to the computer unit 3 through an interface such as USB. The camera unit 16 is used when a softphone or application software installed in the computer unit 3 cooperates with a camera for the purpose of a videophone / videoconferencing function or the like. The speaker unit 17 is connected to the audio output of the computer unit 3. The microphone unit 18 is connected to the audio input of the computer unit 3.

  The pointing device unit 19 is a pointing device corresponding to a touch pad / mouse or the like, and is connected to the computer unit 3.

  As shown in FIG. 2, the push button telephone has an RGB (Local Area Network) interface 23, a digital image signal USB interface 25, an RGB analog image signal input interface 26, and an RGB analog image signal output interface 27. An analog image signal interface; and a DVI digital image signal interface including a DVI (Digital Visual Interface) digital image signal input interface 28 and a DVI digital image signal output interface 29.

  The digital image signal USB interface 25 transmits / receives a digital image signal to / from a digital image signal USB interface of another terminal or the like via a communication line. The computer unit 3 can perform data communication with other terminals through the digital image signal USB interface 25.

  The RGB analog image signal input interface 26 is an interface for inputting three analog image signals of RGB. The RGB analog image signal output interface 27 is an interface that outputs three analog image signals of RGB, and a D-SUB connector is used as an interface.

  The DVI digital image signal input interface 28 is an interface for inputting a digital image signal. The DVI digital image signal output interface 29 is an interface for outputting a digital image signal, and a DVI connector is used as an interface.

  The LAN interface 23 is an Ethernet LAN interface. The computer unit 3 is connected to an external network through the LAN interface 23.

  The computer unit 3 is a computer operated by a program, and is a control device necessary for operating an operating system used in a personal computer (hereinafter referred to as a personal computer), a PDA (Personal Digital Assistants), etc. 21 and a storage device 32. Further, the computer unit 3 includes an image processing unit 22, a videophone communication unit 24, and a power source 38.

  The computer unit 3 is connected to the push button 13a through a keyboard interface that is typically used in personal computers, PDAs, and the like. The computer unit 3 is connected to the display unit 11 via a display interface that is used as a standard in a personal computer / PDA or the like. The computer unit 3 is connected to the pointing device unit 19 via a pointing device interface that is used as standard in a personal computer / PDA or the like. In the case where the display unit 11 is a touch panel, the display unit 11 is connected to the operating system 36 via a pointing device interface that is typically used in a personal computer / PDA.

  The videophone communication unit 24 performs call connection simultaneously with a plurality of telephones via the LAN interface 23, and performs image or voice communication simultaneously with the other plurality of telephones connected by call. The videophone communication unit 24 is realized by an IP softphone installed in the computer unit 3.

  The image processing unit 22 displays an image signal input via the RGB analog image signal input interface 26, the DVI digital image signal input interface 28, or the digital image signal USB interface 25 on the display unit 11.

  FIG. 3 is a block diagram showing a configuration of an image sharing system using the push button telephone of the present invention. Referring to FIG. 3, the image sharing system includes a plurality of telephones 6 to 8 connected to the LAN 53, an information processing terminal 9 connected to the telephone 6 via the communication line 51, and a telephone 8 via the communication line 52. And an information processing terminal 54 connected to. The telephones 6 to 8 are all push button telephones shown in FIGS.

  Each of the information processing terminals 9 and 54 is a computer terminal having a communication function represented by a personal computer or a PDA. Since the information processing terminals 9 and 54 have the same configuration, the configuration will be specifically described below by taking the information processing terminal 9 as an example.

  FIG. 4 shows a hardware configuration of the information processing terminal 9. Referring to FIG. 4, the information processing terminal 9 includes a control unit 31, a storage unit 32, an image processing unit 33, a power supply 34, a display unit 35, a pointing device 36, a keyboard 37, and an interface unit.

  The interface unit includes a LAN interface 41, an RGB analog image signal interface, a DVI digital image signal interface, and a digital image signal USB interface.

  The RGB analog image signal interface includes an RGB analog image signal input interface 43 and an RGB analog image signal output interface 44. The RGB analog image signal input interface 43 is an interface for inputting three analog image signals of RGB. The RGB analog image signal output interface 44 is an interface that outputs three analog image signals of RGB, and a D-SUB connector is used as an interface.

  The DVI digital image signal interface includes a DVI digital image signal input interface 45 and a DVI digital image signal output interface 46. The DVI digital image signal input interface 44 is an interface for inputting a digital image signal. The DVI digital image signal output interface 45 is an interface for outputting a digital image signal, and a DVI connector is used as an interface.

  The digital image signal USB interface 42 inputs or outputs a digital image signal using a USB connector. The image processing unit 33 converts the image signal to be transmitted into a digital image signal that can be transmitted via the USD connector, and conversely, the information processing terminal 9 can process the digital image signal input via the USD connector. To the correct image signal.

  The image processing unit 33 has a multi-display screen function. The multi-display screen function divides one display area generated by the information processing terminal 9 into a display area displayed on the information processing terminal 9 and a display area displayed on the telephone 6 based on setting information input in advance. Furthermore, the multi-display screen function extracts the image signals of the display area displayed by the information processing terminal 9 and the display area displayed by the telephone 6, and converts them into one independent image signal that can be displayed on the display. .

  Next, the operation of the image sharing system shown in FIG. 3 will be described.

  The telephones 6 to 8 can be call-connected to each other and can communicate by videophone. For example, when the telephone 6 is connected to the telephone 7, the videophone communication unit 24 of the telephone 6 transmits an image signal to the telephone 7. In the telephone 7 that has received the image signal, the image processing unit 22 generates a window-format image signal in which an image is stored in the window from the received image signal, and displays it on the display unit 11. With this operation, an image taken by the camera unit of the telephone 6 can be displayed on the display unit of the telephone 7. Conversely, an image taken by the camera unit of the telephone 7 can be displayed on the display unit of the telephone 6.

  The telephone 6 and the information processing terminal 9 are connected by a communication line 51 using one interface selected from an RGB analog image signal interface, a DVI digital image signal interface, and a digital image signal USB interface.

  When the RGB analog image signal interface is selected, the RGB analog image signal output interface 44 of the information processing terminal 9 and the RGB analog image signal input interface 26 of the telephone 6 are connected by the communication line 51.

  When the DVI digital image signal interface is selected, the DVI digital image signal output interface 46 of the information processing terminal 9 and the DVI digital image signal input interface 28 of the telephone 6 are connected by the communication line 51.

  When the digital image signal USB interface is selected, the digital image signal USB interface 42 of the information processing terminal 9 and the digital image signal USB interface 25 of the telephone 6 are connected by the communication line 51.

  In the information processing terminal 9, the image processing unit 33 generates one display area that can be operated by the operation unit of the pointing device 36 or the keyboard 37. The multi-display screen function provided in the image processing unit 33 divides one generated display area into a display area displayed on the display unit 35 of the own terminal and a display area displayed on the telephone 6. This display area may be divided into left and right or up and down.

  FIG. 5 shows an example in which the display area is divided into left and right parts. In the example shown in FIG. 5, one display area 55 generated by the own terminal is divided into left and right, the left side is a display area 56 displayed on the own terminal, and the right side is displayed on the telephone 6. A region 57 is set. FIG. 6 shows an example in which the display area is divided into two vertically. In the example shown in FIG. 6, one display area 55 generated by the own terminal is vertically divided into two, the upper side is a display area 56 displayed on the own terminal, and the lower side is a display area 57 displayed on the telephone 6. The

  The image processing unit 33 maps the image signal in the display area 55 to the storage unit 32. Then, the multi-display screen function divides the image signal of the mapped display area 55 into left and right or up and down. In the display area 55 thus divided into two, the generated image (for example, a window-type screen) is moved between the display areas 56 and 57 by a moving operation through the operation unit of the pointing device 36 or the keyboard 37. Can do.

  The multi-display screen function extracts the image signal of the display area 56 displayed on the own terminal and the image signal of the display area 57 displayed on the telephone 6 from the image signal mapped in the storage unit 32, and extracts the extracted image signal. Are converted into an independent image signal that can be displayed. A first image signal to be displayed on the telephone 6 is generated from the image data mapped in the first memory area (memory area corresponding to the display area 57) of the storage unit 32, and the second memory of the storage unit 32 A second image signal to be displayed on the own terminal is generated from the image data mapped in the area (memory area corresponding to the display area 56).

  In the information processing terminal 9, under the control of the control unit 31, the image processing unit 33 causes the display unit 35 to display an image signal that has been extracted from the display area 56 and converted into an independent signal that can be displayed. Further, the image processing unit 33 transmits the image signal extracted from the display area 57 and converted into an independent signal that can be displayed to the telephone 6 through the communication line 51.

  In the telephone 6, the image processing unit 22 causes the display unit 11 to display the image signal received from the information processing terminal 9 through the communication line 51 under the control of the control unit 21.

  The image processing operations of the image processing units 22 and 33 described above enable multi-screen display based on the display area 55 using the display unit 35 of the information processing terminal 9 and the display unit 11 of the telephone 6.

  In a state where multi-screen display is possible, in the information processing terminal 9, the multi-screen display function of the image processing unit 33 is displayed based on a signal corresponding to a user input operation supplied from the pointing device 36 or the keyboard 37. In the area 55, data processing such as display, movement, editing, and deletion of image and character data is executed. In this data processing execution process, data in the display area 56 is displayed on the display unit 35 of the information processing terminal 9, and data in the display area 57 is displayed on the display unit 11 of the telephone 6.

  According to the multi-screen display described above, the user can display images, characters, graphics, and the like on the display unit 35 of the information processing terminal 9 and the display unit 11 of the telephone 6 through an input operation using the pointing device 36 or the keyboard 37. You can display and edit the data.

  In addition, the user moves, for example, a window-type image (including data such as characters and figures) between the display screens of the display units 11 and 35 through an input operation using the pointing device 36 or the keyboard 37. Can do. When the screen size of the display unit 35 of the information processing terminal 9 is sufficiently larger than the screen size of the display unit 11 of the telephone 6, the window-type image displayed on the display unit 11 of the telephone 6 is edited. The image can be edited on a large screen by moving the image onto the display screen of the display unit 35 of the information processing terminal 9. By performing editing work on a large screen, the work time can be shortened, and more detailed editing work can be performed. The user can move the image that has been edited on the display screen of the display unit 35 onto the display screen of the display unit 11 of the telephone 6 through an input operation using the pointing device 36 or the keyboard 37.

  In the telephone 6, the image processing unit 22 displays the image signal received from the information processing terminal 9, and the videophone communication unit 24 transmits the received image signal to another telephone connected to the call. Can do. Transmission of the image signal by the videophone communication unit 24 is performed via the LAN 53. The number of other telephones to which the videophone communication unit 24 transmits image signals may be one or more.

  For example, when the telephones 6 and 7 are in a call connection state, the videophone communication unit 24 of the telephone 6 transmits the image signal received from the information processing terminal 9 to the telephone 7. In the telephone 7, the videophone communication unit displays the image signal received from the telephone 6 on the display unit. According to this display operation, the user can display the window-format image displayed on the display unit 35 of the information processing terminal 9 through the input operation using the pointing device 36 or the keyboard 37 of the information processing terminal 9. When moved to the front screen of the unit 11, the moved window-type image is also displayed on the display screen of the display unit of the telephone 7. On the other hand, the window format image displayed on the display unit 11 of the telephone 6 is displayed on the display unit 35 of the information processing terminal 9 by the user through the input operation using the pointing device 36 or the keyboard 37 of the information processing terminal 9. When moving on the screen, the window-type image displayed on the display screen of the display unit of the telephone 7 moves outside the display screen.

  Further, when the user edits the window-type image displayed on the display unit 35 of the information processing terminal 9 through the input operation using the pointing device 36 or the keyboard 37 of the information processing terminal 9, the editing result is as follows. This is also reflected in the window format image displayed on the telephone 7.

  When the telephones 6 and 8 are in a call connection state, the videophone communication unit 24 of the telephone 6 transmits the image signal received from the information processing terminal 9 to the telephone 8, and the videophone communication unit of the telephone 8 receives information. An operation of transmitting an image signal received from the processing terminal 54 to the telephone 6 is also possible.

  Since the configuration of the telephone 8 and the information processing terminal 54 is the same as the configuration of the telephone 6 and the information processing terminal 9, the user of the telephone 8 can use the pointing device of the information processing terminal 54 or an input operation using the keyboard to 6 and the information processing terminal 9 can be used to perform image movement operations and editing operations.

  Therefore, the user moves the window-format image displayed on the display unit of the information processing terminal 54 onto the front screen of the display unit of the telephone 8 through an input operation using the pointing device or the keyboard of the information processing terminal 54. Then, the moved window format image is also displayed on the display screen of the display unit of the telephone 6. On the contrary, the user moves the window-format image displayed on the display unit of the telephone 8 onto the display screen of the display unit of the information processing terminal 54 through an input operation using the pointing device or the keyboard of the information processing terminal 54. Then, the window-type image displayed on the display screen of the display unit of the telephone 6 moves outside the display screen.

  When the user edits the window-type image displayed on the display unit of the information processing terminal 54 through an input operation using the pointing device or the keyboard of the information processing terminal 54, the editing result is displayed on the telephone 6. It is also reflected in the displayed window format image.

  In the image sharing system shown in FIG. 3, the number of telephones may be four or more.

  Further, the number of telephones to which the information processing terminal is connected may be three or more.

  Further, the number of telephones that are simultaneously connected by call may be three or more.

  Further, in the case where a plurality of telephones are simultaneously connected to a call, the number of telephones to which information processing terminals are connected may be three or more.

  Instead of the information processing terminal connected to the telephone, a display device including at least one of an RGB analog image signal input interface, a DVI digital image signal input interface, and a digital image signal USB interface may be used. However, it is desirable to connect an input device such as a keyboard to the display device in this case through a USB interface or the like.

  According to the pushbutton telephone described above, the display unit of the own telephone is configured to operate as a display screen of an information processing terminal that is an external device. While viewing the screen of the display unit, it is possible to perform operations such as editing of a display image (including creation and editing of text) using an input unit (such as a keyboard) of an external device. As a result, the workability in data editing is improved, and as a result, editing operations can be performed in a shorter time in situations such as editing image and text data to other call-connected telephones. It becomes possible.

  Also, according to the image sharing system including the push button telephone of the present invention, the first display unit of the push button telephone operates as the display screen of the information processing terminal. It is possible to perform operations such as editing a display image using an input unit (such as a keyboard) of an information processing terminal while viewing the screen of the first display unit of the cellular phone. Thereby, the workability in data editing is improved.

  In addition, since the displayed image can be moved between the screens of the first and second display units, for example, it is displayed on the screen of the first display unit of the push button telephone. The image can be moved on the screen of the second display unit of the information processing terminal. Usually, since the screen of the second display unit of the information processing terminal is larger than the screen of the first display unit of the push button telephone, the screen of the second display unit is changed from the screen of the first display unit. It is possible to display an image on a larger screen by moving the image. Thereby, detailed display of data becomes possible.

  Furthermore, editing the image (including text creation and editing) while looking at the screen of the second display unit, and after editing, operation is performed on the input unit (keyboard or mouse) of the information processing terminal. The image (edited image) on the screen of the second display unit can be moved onto the screen of the first display unit of the telephone.

  Note that the above-described processing such as image display, editing, and movement on the push button telephone and the information processing terminal can be realized by a computer executing a program. The program may be provided through a recording medium such as a CD-ROM or DVD, or may be provided through the Internet.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure for demonstrating the push button type telephone which is one Embodiment of this invention, Comprising: (a) is the schematic diagram which looked at the telephone from the front, (b) is the schematic diagram which shows the operation panel part of a telephone. . FIG. 2 is a block diagram showing a hardware configuration of the push button telephone. It is a block diagram which shows the hardware constitutions of the pushbutton telephone shown in FIG. It is a block diagram which shows the structure of the image sharing system using the push button type telephone of this invention. It is a block diagram which shows the hardware constitutions of the information processing terminal shown in FIG. It is a schematic diagram which shows the example which divided the display area into right and left. It is a schematic diagram which shows the example which divided the display area into 2 parts up and down.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Handset part 2 Hook switch 3 Computer part 4 Main body part 5 Board surface 5a Telephone operation part 11 Display part 12 Line button 13 Key part 13a Push button 14 Function button 15 Digiless button 16 Camera part 17 Speaker part 18 Microphone part 19 Pointing device

Claims (8)

A push button telephone comprising a plurality of buttons and outputting a dial signal in response to an input operation using the buttons,
A display unit;
An interface unit for transmitting and receiving image signals to and from an external device;
A computer unit that causes the display unit to display an image based on an image signal received from the external device through the interface unit;
The display unit operates as a display screen of the external device,
The computer unit is a push button telephone that transmits an image signal received from the external device to another push button telephone connected to the push button telephone.   The push button telephone according to claim 1, wherein the interface unit is a digital image signal USB interface that transmits and receives digital image signals to and from the external device.   The push button telephone according to claim 1, wherein the interface unit is an RGB analog image signal interface for inputting and outputting three analog image signals of RGB to and from the external device.   The push button telephone according to claim 1, wherein the interface unit is a DVI digital image signal interface that transmits and receives digital image signals to and from the external device. A push-button telephone that includes a plurality of buttons and outputs a dial signal in response to an input operation using the buttons;
An information processing terminal interconnected with the push button telephone,
The push button telephone is
A first display unit;
A computer unit that displays an image based on an image signal received from the information processing terminal on the first display unit,
The information processing terminal
A second display;
An input unit capable of inputting and operating information;
A storage unit having first and second memory areas to which data of images displayed on the first and second display units are respectively mapped;
Transmitting a first image signal based on the image data mapped in the first memory area to the push button telephone, and displaying an image based on the first image signal on the first display unit; An image processing unit that causes the second display unit to display an image based on a second image signal based on the image data mapped to the second memory area;
The image processing unit receives a signal corresponding to an input operation from the input unit, and performs control for operating the images displayed on the first and second display units according to the received signal Because
And further comprising at least one other push button telephone connected to the push button telephone;
The computer unit transmits an image signal received from the information processing terminal to the other push button telephone connected to the call,
The another push button telephone is provided with a third display unit, and an image based on an image signal transmitted by the computer unit is displayed on the third display unit . The image sharing system according to claim 5 , wherein the image processing unit performs control for moving the displayed image between the screens of the first and second display units. Wherein the image processing unit, between said first display unit screen and the second and third each screen of the display unit of, performs control to move the displayed image, according to claim 5 Image sharing system. Each comprising a plurality of buttons, information connected to the first and second push-button telephone set for outputting a dial signal, to and from said first push-button telephone set according to an input operation using the button An image sharing method performed in a system having a processing terminal,
The information processing terminal maps the image data displayed on the first display unit provided in the first push button telephone to the first memory area, and the second information provided in the own terminal. Mapping image data displayed on the display unit to the second memory area;
The information processing terminal transmitting a first image signal based on the image data mapped to the first memory area to the first push-button telephone;
The first push-button telephone displays an image based on the first image signal received from the information processing terminal on the first display unit, and the information processing terminal displays in the second memory area. Displaying an image based on a second image signal based on the mapped image data on the second display unit;
The information processing terminal performing control for operating the images displayed on the first and second display units in response to an input operation in an input unit provided in the terminal;
The first push button telephone transmits the first image signal received from the information processing terminal to the second push button telephone connected by call, and the second push button telephone And displaying an image based on the first image signal transmitted by the first push button telephone on a third display unit provided in the own telephone .

Images