JPH10248054A - Picture display method for video telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the operability and function expandability of video telephone terminal by displaying an under-calling report when the calling operation of opposite side video telephone equipment is started and displaying an image signal received from the opposite side and communication time when the opposite side video telephony equipment responds to the call. SOLUTION: When a dial input is performed on a call originating picture 62, a dial input confirmation indication 63a is displayed on a call originating picture 63. After the lapse of four seconds from the dial input, the end of dial input is discriminated and the origination of call is requested to a network. When the call originating request is recognized by the network and it is reported that a party is just under calling, the picture is turned to an under-calling picture 64 and an under-calling report picture 64a is displayed. When the party responds during calling, the picture is turned to an under-communication picture 65 and only a communication time induction 65a is displayed. Besides, when call incoming is detected on an ordinary picture 61, the picture is turned to a call incoming picture 66 and a call incoming report indication 66a is performed. Thus, an expanded service function is provided so that the number of inputs to be assigned to real keys or switches can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a videophone terminal used for a videophone or a video conference for communicating using voice and image, and more particularly to a videophone terminal for communicating a color moving image.

[0002]

2. Description of the Related Art To improve a man-machine interface of a color moving picture videophone terminal, a conventional technique has been proposed.
No. of "Research on International Communications" published by KDD Engineering and Consulting 135 (jan. 198)
As described in 8), page 33, section 4.1, 5), an operation support function is realized by using a message display function. The registration, setting and maintenance functions of the system have been realized by changing a dip switch or a jumper plug as described in section 4.2 on page 34 of the document.

[0003]

In the conventional color moving picture video telephone terminal, first, only communication between terminals of the same product type or the same product is considered. Many of the registration and setting items are mostly registered and set in the terminal in advance, and it is almost unnecessary for the user to frequently change the registration of the communication mode and the operation of the color moving image videophone terminal. However, due to various technological advances and standardization activities,
Color video video phone terminals can be connected to analog phones typified by conventional black phones, digital phones using digital communication channels, and various types of video phone terminals and video conference terminals. Setting items became necessary.

Second, due to the nature of a communication terminal, consideration must be given to security and concealment in the setting registration operation.

Third, the videophone or the videophone operation unit is often placed on a desk, depending on the usage, so that the size of the operation unit for performing the man-machine interface is limited to some extent, The number of keys and the size of the keys are also limited due to operability considerations.

Fourth, the operation unit of the videophone needs to be a man-machine interface similar to the operation method with a conventional analog telephone because of the nature of a telephone. In order to provide functions to users without confusion, it was necessary to provide a unified man-machine interface.

Fifth, the number and area of characters and graphics (images) that can be displayed on a display are limited, and are displayed multiplexed on a moving image when an image is received and displayed on a monitor. Multiple methods had to be considered.

Sixth, privacy and security must be taken into account when transmitting images, and a means for reflecting the user's will for each communication is required.

An object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide a video telephone terminal that can improve the operability and expandability of functions of a color moving image video telephone terminal and realize a man-machine interface similar to a conventional telephone.

It is another object of the present invention to provide a videophone terminal which can improve security by hierarchizing extended service functions, can omit many keys and setting switches, and can be easily extended.

Another object of the present invention is to provide a videophone terminal capable of accurately reflecting a user's intention to transmit an image and protecting privacy.

[0012]

As a means for solving the above-mentioned problems, the present invention relates to a method of operating a transmission / reception means while off-hook while a preset initial screen is displayed.
A dial input prompting guidance is displayed on the screen, and when the dial number of the other party's videophone device is input, a dial input confirmation display is displayed to display the input dial number. When a calling operation of the videophone device is started, a calling notification is displayed, and when the videophone device of the other party answers the call, a screen display is displayed to display the image signal received from the other party and the communication time.

Further, instead of providing actual keys for function selection and registration and input of setting items, respectively, keys assigned to conventional telephones and extended telephones are directly used for videophone operation. It is desirable that the function selection, registration, and setting items be input to the function selection, registration, and setting item input, and the activation key of the extended service function is realized by the actual key, and the newly provided telephone function and videophone function, The registration and setting items required for videophone operation are displayed on the display by launching the extended service function.
A means for selecting by inputting a key corresponding to the arrangement of a plurality of displayed images or characters is provided, and a method of providing or selecting an extended service function is hierarchically arranged, and the number of keys corresponding to the arrangement is appropriately determined. The solution is to reduce the number.

As means for solving the fifth problem, the respective display areas are provided so as not to overlap with each other, or actual operation such as communication operation guidance and notification display of a videophone, input confirmation display, and display by an extended service function is performed. Can be solved by taking a display with few chances of overlapping in the same area, providing a processing execution restriction, and using it in a time-sharing manner.

As means for solving the sixth problem, an image key and image transmission mode information are displayed as actual keys.
The ED is provided, and the image transmission mode can be changed by inputting the image key in the non-communication or image transmission disabled communication state during communication, and the image is automatically transmitted in the automatic image transmission mode in the image transmission enabled communication state. This can be solved by providing means for transmitting an image by inputting an image key in the manual image transmission mode, and providing means for resetting the image transmission mode registered by the extended service function at the end of communication.

[0016]

By providing an extended service function, the number of inputs to be assigned to actual keys or switches can be greatly reduced. Can respond without an increase.

In addition, when the contents of the extended service function take into account the safety, sufficient consideration can be given by checking the input and limiting the input.

Further, the size of the operation unit can be suppressed by greatly reducing the number of inputs, and a fully unified man-machine interface can be provided by suppressing the input keys at the time of starting the extended service function to specific keys.

Further, the communication operation guidance, notification display, input confirmation display, and display by the extended service function of the videophone are set in the same area, and when the extended service function activation key is input, regardless of whether the communication is being performed or not. The extended service can be started, but during the communication start process or when the communication start process is started and when the communication end process is started or the communication end process is started, the start of the extended service function is prohibited and the Is forcibly terminated, so that the communication operation guidance, the notification display, the input confirmation display, and the display of the extended service function, which are almost concentrated during the communication start processing and the communication end processing, can be used in a time-sharing manner.

In addition, the image transmission mode is registered, an image key is provided, and means for displaying the current image transmission mode information is provided. In the image transmission disabled state, the image transmission mode can be freely changed using the image key. Can be judged after transmitting the image after confirming with voice or the like, and the intention of the user can be reflected. In some cases, it is often required to automatically transmit an image when the image can be transmitted, depending on the intended use. In this case, the automatic transmission mode can be registered in advance by the extended service function. Even in this case, it is possible to reject an image for each communication by inputting an image key, and it is possible to respond to various image transmission requests by resetting the registered image transmission mode at the end of the communication.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows the overall structure of a color moving picture videophone according to an embodiment of the present invention. In FIG. 1, 1
1 is a display unit, 12 is a camera unit, 13 is an image CODEC unit having a built-in image encoding and decoding circuit, 14 is an image CODEC board, 15 is a communication device control board including a communication control circuit and a telephone control circuit, and 16 Is a key panel unit including a telephone function key, a videophone control key, and a display LED, 17 is a power supply unit, 18 is a main body having external input / output terminals including 15, 16 and 17, and 19 is a handset.

Referring to FIG. 2, the structure of the color moving picture television telephone of the present invention will be described.

In FIG. 2, reference numeral 21 denotes a camera display section including a camera section 21a and a display section 21b.

Reference numeral 22 denotes an image coding / decoding section, which comprises the following 22a to 22h. Reference numeral 22a denotes a video input SW unit which switches between a video input from the camera unit 21a and an external video input 29b via the signal line 20a, and outputs video to the analog / digital conversion unit 22b. 22b analog
In the digital converter, after converting the video signal into a digital signal, only an effective image area is extracted and output to the image encoding unit 22c and the monitor image multiplexing control unit 22d. 2
In 2c, compression of image information is performed by an encoding process.
The image encoding information is output to the signal multiplexing / distribution circuit section b.

Reference numeral 22f denotes an image decoding unit which decodes the coded image signal distributed from the received signal by the signal multiplexing / distributing circuit 23b to reproduce a digital image signal. The monitor image multiplexing control unit 22d reads the digital image information output from the analog-to-digital conversion unit 22b into the memory 22e in accordance with the control signal 20d, reads one or a plurality of screens into the memory 22e, and adjusts the timing of the decoded digital image signal output from the 22f. The information stored in the memory is read out pixel by pixel or every two pixels, and superimposed or replaced with information of the decoded digital image signal output by 22f, thereby displaying the screen of the input signal or the reduced screen on the display. The monitor display to be displayed is realized. The digital image signal output from the monitor image multiplexing control unit 22d is input to the digital / analog conversion unit 22g, converted into an analog video signal, and output to the character / graphic display superimposition unit 22h. The character / graphics display superimposing unit 22h extracts timing information from an input video signal composed of a character / graphics information superimposing LSI, and is instructed at a position indicated by a control signal 20e under program control of the videophone control unit 23c. Character or graphic information is displayed on the display 21b by superimposing or replacing the character or graphic information with the video signal.

Reference numeral 23 denotes a communication control unit which includes 23a to 23f. 23a is connected to a network signal input / output 29a by a network interface control unit, and connects one or a plurality of information transmission channels managed by the network to a partner terminal in accordance with the control of the videophone control unit 23c and the procedure provided by the network. Perform communication processing. 20g is a bidirectional control signal for transmitting control information and processing information with 23a. Reference numeral 23b denotes a signal multiplexing / distribution circuit unit which multiplexes image coding information, audio coding information and control information on one or a plurality of information transmission channels managed by the network, and outputs the multiplexed information to the network interface control unit 23a.
The image encoding information, the audio encoding information, and the control information are separated from one or a plurality of information transmission channels managed by the network. The video coded information separated by the signal multiplexing / distribution circuit 23b is output to a video decoding unit 22f and decoded, the voice coded information is output to a telephone control unit 23e and decoded, and the control information is a videophone control unit 23c. Is output to the videophone control unit 23c as control determination information. The videophone control unit 23c is composed of a microprocessor, a ROM and a RAM, can execute multitask processing by some control programs, and interprets input information to control each component of the videophone. Has functions. The telephone control unit 23e controls a telephone interface of the videophone, transmits and receives a voice signal to and from the handset 24, performs a code decoding process on the voice signal, and transmits and receives a coded voice signal to and from the signal multiplexing / distribution circuit 23b. The hook switch 25 is monitored to detect an on-hook / off-hook and notify the videophone control unit 23c, perform audio output control to the speaker 26, and control the key matrix 27 to detect a key input to control the videophone. Notify section 23c. In addition, under the control of the videophone control unit 23c, the external audio input 29d and the external audio output 29c are switched with the audio signal of the handset 24. Reference numeral 23f denotes a clock circuit unit which includes a clock function LSI having a timer measurement function and a power supply backup battery and has a function of keeping time irrespective of ON / OFF of the power supply. The time can be read at any time by the control signal 20f. The timer function is ON / OFF controlled by the videophone control unit 23c, and the videophone control unit 23c can read and reset the timer value at any time by the control signal 20f. The power is supplied to the code decoding unit 22 and the communication control unit 23.

Referring to FIG. 3, the screen configuration of the color moving picture videophone of the present invention will be described. The display screen 31
In this embodiment, an area to be actually displayed is provided in the area which can be displayed on the display. Reference numeral 32 denotes a decoded video screen on which a moving image transmitted by the other party is displayed. 3
Numeral 3 displays the same size screen or reduced screen of the input video signal screen encoded on the monitor image screen. Reference numeral 34 denotes a videophone operation guidance, input confirmation, and notification display screen on which operation support for telephone and videophone operations is displayed. 3
Reference numeral 5 denotes an extended service function display screen on which a display for providing an extended service function and an image representing a function selection and an item corresponding to a part of dial keys are displayed. 36 is the position of the viewpoint, and the screen 32 to the screen 35 are multiplexed with higher priority as the display is closer to the viewpoint, so that when a character is displayed on 34, the screen of 32 is displayed as if the character was overwritten. Therefore, when the monitor image is displayed in the entire area of the screen 33, the screen 32 cannot be viewed.

FIG. 4 shows the structure of the monitor image screen. The monitor image screen is composed of a monitor full screen 41 and a monitor sub-screen 42, and displays an equal-sized screen and a reduced screen of an input video signal screen to be coded and transmitted, respectively. The screen registered by the function registration function is displayed.

FIG. 5 shows a videophone operation guidance, input confirmation and notification display screen.

A time / communication time display screen 51 displays the current time in HH: MM format during non-communication, and displays the communication time in MMM minute SS second format during communication. 52 displays the videophone operation guidance, input confirmation and notification.
FIG. 6 shows a display example of the videophone operation guidance, input confirmation and notification display screen. Numeral 61 indicates only the time display in a state where the extended service function is not activated during non-communication on the normal screen. Reference numeral 62 denotes an outgoing call screen 1. When an off-hook operation is performed to lift the handset in the normal screen state 61, a dial input prompting guidance 62a is displayed. 63 is a transmission screen 2 and when a dial input is performed on the 62 transmission screen 1, a dial input confirmation display 63a is displayed. Four seconds after the dial input, it is determined that the dial input has been completed, and a call request is made to the network. When the call request is accepted by the network and a notification that the other party is being called is received, a calling screen 64 is displayed and a calling notification screen 64a is displayed. When the other party answers during the call, a communication screen 65 is displayed, and a communication time display 65a is displayed.
Only.

When an incoming call is detected on the normal screen 61, an incoming call screen 66 is displayed and an incoming call notification display 66a is provided.

FIG. 7 shows the configuration of the extended service display screen. Reference numeral 71 denotes a layer of the extended service function hierarchized in the extended service function hierarchy display area, as an image or graphic selected in the immediately preceding layer. An extended service display area 72 displays extended service function operation guidance and functions and items to be selected. Reference numeral 73 denotes an image representing a function or item selected when a corresponding dial key is input in a key corresponding image display area. Reference numeral 74 denotes an extended notification display area which is used as a display screen when a notification display is required, such as when an incoming call is detected while the extended service function is activated.

FIG. 8 shows an example of the extended service screen. 81
Represents an extended service function activation screen. When an extended service activation key is input in a startable state, the telephone control unit 23e detects the information and reports it to the videophone control unit 23c to be interpreted. A screen 81 which is started as one of the plurality of processes of 23c and indicates the highest hierarchical function is displayed. 81a is a telephone directory function image, and this position corresponds to the dial key "1", and the dial "
When "1" is input, the telephone directory function process is started.
b is a registration function image, and this position corresponds to the dial key "2", and when the dial "2" is input, the registration function processing is started. A time registration function image 81c corresponds to the dial key “3”, and when the dial “3” is input, the time registration function processing is started. 81d is display O
In the N / OFF function image, this position is "4" of the dial key.
When the dial "4" is input, a display enable / disable setting process indicated by 52 is started. A record display function image 81e corresponds to the dial key "5". When the dial "5" is input, a communication record display process is started. Reference numeral 81f denotes a function end image, which means that the extended service function is stopped on the screen 81, and that the function of another layer means the end of the function and the return of the previous layer function. 82
Represents a telephone directory function screen, and an extended service function activation screen 8
When the dial "1" is input in step 1, the telephone directory function process is activated and a telephone directory activation screen is output on the screen. On the telephone directory function screen 82, a telephone directory function hierarchy display 82a, a telephone directory item screen 82b representing contents registered in the telephone directory, a cursor up image 82c corresponding to the dial key "1" as a telephone directory function selection image, and Cursor down image 82d corresponding to dial key "4", item selection image 82e corresponding to dial key "3", telephone directory function end image 82f corresponding to dial key "6", and cursor 82g
Is displayed. 82h indicates a non-functional image, indicating that there is no function corresponding to the input of the corresponding key and that the image is ignored. The cursor 82g is moved up and down by the input of the dial keys "1" and "4". When the dial key "1" is input at the top line of the line 82b, the whole item is rolled up to display the next item. . Similarly, the cursor 82g is set to 8
When the dial key "4" is input at the bottom line of 2b, the roll-down is performed and the next item is displayed. Screen 8
In the case of 2, cursor 8 is operated by dial keys "1" and "4".
When the item 2g is moved and an item is selected by 82e, a telephone directory registration content display process is activated, and a telephone directory registration content display screen 83 is displayed. Screen 83 shows phonebook function hierarchy display 8
3a, registered content detail display 83b, registered function image 83c corresponding to dial key "2", dial function image 83d corresponding to dial key "3", and dial key "
The phonebook detail display end image 83e corresponding to 6 "is displayed. When the dial key" 3 "is input on the screen 83 and the dialing function is selected, a calling process is started and a call is made using the registered telephone number. The operation is started, and the extended service function is terminated for the purpose of not disturbing the calling process.

When the dial key "2" is input on the screen 81 and the registration function is selected, the videophone registration process is started and a videophone registration screen 84 is displayed. On the screen 84, a videophone registration function hierarchy display 84a and a registration item display 84b are displayed.
And dial key as videophone registration function selection image "
The cursor-up image 84c corresponding to 1 ", the cursor-down image 84d corresponding to the dial key" 4 ", and the registered content change image 84e corresponding to the dial key" 3 ".
And a videophone function end image 84f and a cursor 84g corresponding to the dial key "6" are displayed. Image 84c
And 84d function similarly to images 82c and 82d.
When the dial key "3" is input and the registration content change process is started, the next item candidate of the registered item is registered and displayed on the screen. The registration contents are displayed cyclically by the number of candidates.

When an incoming call is received on the screen 84, an incoming call notification 84g is displayed in the extended notification display area.

FIG. 9 shows the configuration of the videophone key input section. The videophone key input section includes a 91a cancel key and 91
b Speaker key, 91c shortcut key, 91d redial key, 91e hold key, 91f transmission key, and dial key 9
A key provided on a conventional telephone with an extended function such as 1g to 91r and a switch 92a for requesting switching between voice input and a voice input display LED 93a, a 92b requesting switching between image input and a 92b image switching key for requesting switching between image input and image input A display LED 93b and a high quality key 92c for switching a coding mode of an input image signal and a coding mode display LED
93c, 92d for requesting fixation of the transmitted image, 92d freeze key, LED 93d for displaying the fixed state of the transmitted image, 92e image key for requesting image transmission, and image mode display LE
D93e, 92f for activating an extended service function, and a monitor key 9 for requesting display of a monitor screen
It comprises an additional key such as 2g required for a videophone and a power supply display LED 93f and an incoming call display LED 93g. The keys associated in the key corresponding image display area are the dial keys from 91g to 91l.

FIG. 10 shows a key input assignment process executed by the videophone control section 23c. When the key input is detected by the telephone control unit 23e, the video telephone control unit 23c is notified and the key input allocation process is started. In the key input allocation process, the notified key information is read, and a key input presence / absence determination process (101) is performed to check whether the key information is valid. If the key information is valid, the image corresponding key determination process (10
It is determined whether the key information is associated with the image according to 2). When the key information is an image corresponding key, the extended service function input information is assigned to the key information according to the extended service activation state and the extended service operation mode. (103,
104, 105, 106) FIG. 11 shows a key input process for executing a process corresponding to the assigned key information. The key information is input determination processing (1
According to 11), processing that requires processing for each key information is executed. When the key information is the extended service activation key, the extended service function activation key processing (112) is executed, and the extended service function is activated or stopped or the input information is ignored depending on the activated state of the extended service function and the operation state of the videophone. . (112a, 112b, 112
c, 112d) When the key information is the videophone registration key information of the extended service function assigned by the image corresponding key assignment process (105), the activation state of the extended service function is checked and the videophone registration process is started. (113) In addition, the activation state of the extended service function is checked when the calling process 114 and the incoming process 115 are activated, and the extended service stop process is forcibly performed during activation to use the display area in a time-sharing manner.

FIG. 12 shows the starting and stopping of the extended service function and the processing execution restriction condition depending on the operation state of the videophone. As shown in FIG. 12, when the videophone is performing the call connection processing and the call disconnection processing, the activation of the extended service function and the continuation of the processing are restricted. Therefore, the operation guidance generated by the telephone and the videophone operation at this time. In addition, it is possible to prevent the input confirmation and notification display from overlapping with the display of the extended service function.

FIG. 13 shows a process corresponding to the image key.
The registration of whether the image transmission mode is automatic or manual, the change for each communication, and the manual transmission request of the image transmission in the manual image transmission mode are realized. Reference numeral 131 denotes a registered image transmission mode register, which registers the image transmission mode at the start of normal communication by the videophone registration function of the extended service function. Reference numeral 132 denotes an image transmission mode register which is actually used to determine image transmission. At the end of communication, the setting of the register 132 is reset in the register 132 by a call disconnection process. 133
Displays the contents of the register 132 with the image transmission mode display LED. Reference numeral 134 denotes an image key input process executed after input determination in the key input process.
In step 4a, it is determined whether the videophone is communicating with a terminal capable of receiving an image and the current communication mode is an image transmission enabled state. When the image can be transmitted, it is determined whether or not the image is being transmitted according to 134b.
34c is executed, the image transmission mode register 132 is set to manual, and the image transmission mode display LED 133 is turned off.
(134d, 134e) When the image is not being transmitted, the image transmission processing 134f is executed to execute the image transmission mode display LED1.
33 is turned on. (134f, 134g, 134h) When the image transmission is disabled, the image transmission mode register 13
2 in the automatic mode, the manual mode is set in the image transmission mode register 132, and the image transmission mode display LE is set.
D133 is turned off. In the manual mode, the automatic mode is set in the image transmission mode register 132 and the image transmission mode display LE is set.
D133 is turned on. (134d, 134e, 134
g, 134i, 134j, 134k, 134l) In the videophone communication mode establishment process, when the transition to the image transmission enabled state is detected, the image transmission mode register 1
In the automatic mode, an image transmission process is executed.

FIG. 14 shows the time / communication time display processing.
The time / communication time process is executed every 100 ms by a system timer interrupt. The time and the timer value are read from the timer circuit 23f, and the time or the communication time (timer value) is displayed on the upper right of the screen.

In the time / communication time display process, the communication state is determined by the communication state determination 141. When communication is not being performed, the time is read from the timer circuit 23f and displayed in the HH: MM format. At this time, the timer state is checked, and if it is ON, it is turned OFF. (141-145) During communication, when the timer state is ON, the timer value is read from the timer circuit 23f and displayed in the MMM minute SS second format. (146, 14
7, 148) When the timer is OFF, the timer value of the timer circuit 23f is cleared and the timer is set to restart.
Display seconds.

As described above, it is possible to register whether the image transmission mode is automatic or manual, change the transmission mode for each communication, and perform a manual transmission request process for image transmission in the manual image transmission mode.

[0044]

According to the present invention, the operability and function expandability of a color moving picture videophone terminal can be remarkably improved.

[Brief description of the drawings]

FIG. 1 is a diagram showing the appearance of an embodiment of the present invention.

FIG. 2 is a diagram showing functional blocks of one embodiment of the present invention.

FIG. 3 is a diagram showing a screen configuration according to an embodiment of the present invention.

FIG. 4 is a diagram showing a monitor screen configuration according to one embodiment of the present invention.

FIG. 5 is a diagram showing a videophone operation guidance, input confirmation, and notification display screen according to one embodiment of the present invention.

FIG. 6 is a diagram showing a display example of a videophone operation guidance, input confirmation, and notification display screen according to one embodiment of the present invention.

FIG. 7 is a diagram showing an extended service display screen configuration according to an embodiment of the present invention.

FIG. 8 is a diagram showing a display example of an extended service display screen according to one embodiment of the present invention.

FIG. 9 is a diagram showing a configuration of a videophone key input unit according to one embodiment of the present invention.

FIG. 10 is a diagram showing a key input assignment process according to one embodiment of the present invention.

FIG. 11 is a diagram showing a key input process according to one embodiment of the present invention.

FIG. 12 is a diagram showing start and stop of the extended service function and processing execution restriction conditions depending on the operation state of the videophone according to one embodiment of the present invention.

FIG. 13 is a diagram illustrating processing corresponding to an image key according to an embodiment of the present invention.

FIG. 14 is a diagram showing a time / communication time display process according to one embodiment of the present invention.

[Explanation of symbols]

11 ... Display unit 12 ... Camera unit 13 ... Image CODEC unit 14 ... Image CO
DEC board, 15 ... Communication device control board 16 ...
··· Key panel unit 17 ··· Power supply unit 18 ····· Main body 19 ··· Handset 21 ··· Camera display unit 22 ··· ····· Image coding / decoding unit 23 ···· Communication control unit 24 ····· Handset 25 ······ Hook switch 26 ····· Speaker 27 ·・ ・ ・ ・ ・ ・ Key matrix 28 ・ ・ ・ ・ ・ ・ Power supply 81 ・ ・ ・ ・ ・ ・ Extended service function start screen 82 ・ ・ ・ ・ ・ ・ ・ Phonebook function screen 83 ・ ・ ・ ・ ・ ・Phonebook registration content display screen 84 ... Videophone registration screen.

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[Procedure amendment]

[Submission date] March 23, 1998

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Masahiro Takahashi 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture Inside the Hitachi, Ltd.Prototype Development Center (72) Inventor Yoshinobu Matsubayashi 292 Yoshida-cho, Totsuka-ku, Yokohama-shi, Kanagawa Prefecture (72) Inventor Jun Furuya 1-280 Higashi Koigakubo, Kokubunji, Tokyo, Japan Incorporated Hitachi Design Laboratory (72) Inventor Takushi Yoshimaru 1-280 Higashi Koigakubo, Kokubunji, Tokyo Within Hitachi Design Laboratory

Claims (2)

[Claims] 1. An image display device comprising: a video telephone device having image input means, image display means, and transmission / reception means, and connected to a video telephone device of the other party via a communication line to perform communication using a voice signal and an image signal. A screen display method on a display means, wherein, when an off-hook is operated by operating the transmission / reception means in a state where a preset initial screen is displayed, a dial input prompting guidance is displayed on the image display means, When the dial number of the video telephone is input, a dial input confirmation display is displayed to display the input dial number, and after the dial input is completed, the calling operation of the destination video telephone is started according to the dial number. When a notification display is performed and the videophone device of the other party answers the call, communication with the image signal received from the other party is performed. Screen display method in the picture-phone device, characterized in that the display. 2. An image communication apparatus according to claim 1, further comprising an image input unit, an image display unit, and a transmission / reception unit, connected to a communication terminal of the other party through a communication line, and performing communication by voice signals and image signals. A screen display method on a display means, wherein when a call operation is performed in a state where a preset initial screen is displayed, a connection destination identifier input promotion guidance is displayed on the image display means, and the connection destination identifier is input. Then, the input connection destination identifier is displayed on the image display means,
After completing the input of the connection destination identifier, when starting a connection operation with the information communication terminal of the connection destination according to the connection destination identifier,
A video phone which displays a notification indicating that a connection is being made on the image display means and displays an image and a communication time received from the information communication terminal of the connection destination when the information communication terminal of the connection destination answers the call. Screen display method in the device.