JPH0478288A - Television telephone terminal set - Google Patents

Abstract

PURPOSE:To provide a function as a terminal equipment of an inenterprise information system in addition to the substantial function as a television telephone terminal set and to improve the operability by adding required minimum devices to the terminal set. CONSTITUTION:When a specific display part of an operation guide pattern G3 is touched by a pen in the case of accessing a host computer 39, its coordinate is fed to a controller 30 from a coordinate input device 13 and entered operation information is sent to the host computer 39 to request specific in- enterprise information. The in-enterprise information retrieved by the host computer 39 upon the request is returned to an NAPLS terminal equipment 37 and processed by the controller 30 and displayed on a liquid crystal display device 14. The operation board 8 is used as a key pad of the NAPLS terminal equipment 37 and no exclusive key pad is required.

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention is capable of communicating with each other through a digital telephone line network and transmitting and receiving moving or still images of people, calligraphy, etc. This invention relates to a videophone terminal device that can be used.

``Prior Art'' In recent years, various videophone terminal devices have been developed that are equipped with a moving image and still image transmission function in addition to the voice transmission function of a normal telephone. In this case, the videophone terminal device includes an audio signal system circuit such as a handset and a voice control device used for audio input/output during a call.
A person camera that takes pictures of L, a document camera that takes images of documents placed on a table, etc., and a document camera that takes images of documents placed on a table. A video signal system circuit consisting of a CRT monitor, etc. that displays each image taken by the person camera and document camera of the telephone terminal device) is provided.Furthermore, the transmission system circuit is capable of data compression and encoding of the video signal. At the same time, a copier or the like is provided that transmits the information, multiplexes it with voice signals and various data, and transmits it to the other party's terminal via the digital telephone line network. This allows both parties to talk while looking at the other party's face displayed on their own terminal's monitor screen, making the conversation feel as if they were actually talking face-to-face with the other party.

``Problems to be Solved by the Invention'' By the way, at the same time that the above-mentioned videophone terminal device was introduced for the purpose of transmitting information between specific employees (Cf5I, executives, executives, etc.) within a company, There is a plan to introduce an in-house information system that collectively processes in-house information such as management information and personnel information, thereby speeding up information transmission within the company.

In this case, if the terminal device for the telephone telephone and the terminal device for the in-house information system are installed separately, it is not possible to make effective use of the limited office space, and it is difficult to use the same operation panel. There was a problem that the operability was poor because it could only be operated with the .

This invention was made in view of the above-mentioned circumstances, and aims to provide a videophone terminal device that can be used as a terminal device for an in-house information system by adding the minimum necessary equipment. .

"Means for Solving the Problems" The present invention provides a videophone terminal device that transmits an image photographed by an imaging means provided in its own terminal to a partner terminal and displays an image transmitted from the partner terminal. , a data communication means connected via a dedicated line to a host computer that collectively processes company information; and displaying various operating instructions as an information terminal that accesses the host computer via the data communication means;
a display means for displaying various operation guidance as a videophone terminal; an input means for inputting necessary operation information according to the operation guidance displayed on the display means; The operation of each part is controlled based on the operation information input by the means, and the input operation information is sent to the host computer via the data communication means. It is characterized by comprising a control means for causing the display means to display the information.

"Function" According to the above-described configuration, the TV 1! Various operating instructions for the terminal are displayed by the display means, and the operations of each part are controlled based on the operation information input by the input means, and corporate information is sent to the host computer via the data communication means. This allows you to make a request for
By adding the minimum necessary number of devices, in addition to the original function as a videophone terminal device, it is possible to provide m functions as a terminal device for an in-house information system.

"Embodiments" Hereinafter, embodiments of the present invention will be described with reference to the drawings.

! Figure 1 shows a videophone terminal bag f according to an embodiment of the present invention.
FIG. 1 is a block diagram showing the electrical configuration of FIG.

In this figure, a videophone terminal device 1 is connected to a videophone terminal device Wt3 of the other party via a digital line network 2. For convenience of explanation, one's own videophone terminal device 1 will be abbreviated as the own terminal, and the other party's videophone terminal device 3 will be abbreviated as the other party's terminal.

Here, the external configurations of the own terminal 1 and the other party terminal 3 are as follows.
As shown in the figure, 4 is a terminal device body, 5 is a handset, 6 is a portrait camera, 7 is a document camera, and 8 is an operation board.

The handset 5 corresponds to a receiver of a general telephone, and is placed on the operation board 8 when not talking. During a call, it is used for inputting and outputting audio, and as shown in FIG. 1, a microphone 9, a speaker 10, and a hook switch 11 are provided. The person camera 6 takes a self-portrait of the caller, so
It is attached to the upper end of the terminal device main body 4. The document camera 7 is placed on a table to take images of documents, drawings, etc., and is supported so as to be vertically movable via an arm mechanism 12 attached to the side of the terminal device main body 4. . Both the portrait camera 6 and the document camera 7 are configured by small COD cameras. Operation board 8
is a coordinate input device with a display function, and is a transparent plate-like see-through type that outputs 4 coordinate data corresponding to the pressed position based on the change in capacitance of the pressed part with the tip of Ben 15. A coordinate input device (tablet) 10 and a liquid crystal display device 11 are provided in a state where they are stacked 8 on top of each other.

Next, in the terminal device main body 4 (Fig. 1), 20 performs data compression and encoding of the analog video signal and audio signal, multiplexes them with various data, converts them into a 64 kbps digital signal, and sends the data to the digital telephone. It is a copier that transmits to the other party's terminal 3 via the line network 2, and has the function of decoding the digital signal transmitted from the other party's terminal 3 into the original analog video signal and audio signal, and converting moving images into one
It also has the function of storing a screen portion and transmitting it as a still image, and these functions are controlled by a control signal CI.

21 is an audio control circuit that switches input/output combinations of various audio signals based on control No. 1 C1, and includes a microphone 9 and a speaker IO in the handset 5, a hands-free microphone 22 and a speaker 23, and a co-op 20. Audio signals related to telephone calls are exchanged between the two, and audio signals related to some television broadcasts supplied from a television tuner 24 (to be described later) to a monitor speaker 24a are input.

The television tuner 24 receives some television broadcasts supplied via a coaxial cable of a CATV (cable television) network, and outputs audio and video signals of the reception channel specified by the control signal C3. be.

25 is connected to its input terminals 11 to 11 based on the control signal C4.
The various video signals supplied to I7 are sent to the output terminals o, -.
In this case, the video signal is input to the input terminal 1 via the external video input terminal Tin, and the output from the document camera 7 is input to the input terminal R. A document image signal to be displayed is input manually, a person image signal output from the person camera 6 is input to the input terminal 3, and a composite image signal output from the superimpose circuit 29, which will be described later, is input to the input terminal 4. Man-powered,
A decoded video signal output from the copier 20 and transmitted from the other party's terminal 3 is input to the input terminal ■, and a reproduced video signal output from the image recording and reproducing device 26, which will be described later, is input manually to the input terminal ■. The TV video signal output from the TV tuner 24 is input to the input terminal ■.
be done. Further, the video signal output from the output terminal OI is supplied to the video output terminal T out, the video signal output from the output terminals O1 and 0 is supplied to the picture-in-picture circuit 27, and the video signal is output from the output terminal 04. The resulting video signal is supplied to a superimpose circuit 29,
The video signal output from output terminal O6 is sent to Copic 2.
The video signal output from the output terminal 0° is supplied to the image recording/reproducing device 26.

The image recording/reproducing device 26 performs recording/reproducing according to the control signal C7.
It is composed of a rewritable optical disk device whose playback operation is controlled. During recording, the supplied analog video signal for one screen is sequentially converted into digital image data and written into a designated area on the optical disk. One screen worth of image data read from the designated area is converted into the original analog video signal and output. In this case, the area on the optical disk where image data is written and the area from which it is read can be arbitrarily designated by the control signal C6.

The picture-in-picture circuit 27 is connected to the CRT monitor 2
This is a circuit for simultaneously displaying two large and small screens on the display screen of No. 8, and a small screen 28b is fitted into a part of the large screen 28a and displayed. The CRT monitor 28 is for displaying the other party's image transmitted from the other party's terminal 3 and the self-portrait and document image taken by the person camera 6 and document camera 7 of the own terminal l. The superimpose circuit 29 is a circuit for synthesizing the computer video signal output from the controller 30 and the various video signals 1 supplied via the switcher 25. The synthesized video signal is supplied to a liquid crystal display device [14 provided on the operation board 8] and an input terminal I4 of the switcher 25.

The controller 30 controls the operation of each part of the terminal device, and includes a CPU (central processing unit), a memory that stores various programs used by the CPU, and is used as a work area, and a memory that stores images for multiple sides. A VRAM (video RAM) 31 that stores data and this VRAM
It is composed of a microcomputer system consisting of a display controller that outputs computer video signals based on image data read out from the RAM 31, and various input/output interfaces, etc., and control signals 01 to C, supply each.

Further, in the figure, reference numeral 32 is a handwriting input recognition device,
When a character is written in the handwriting area on the coordinate input device 13 with the tip of the ben 15 (FIG. 2) and the coordinate data corresponding to the character is sequentially supplied to the controller 30,
The input character is recognized based on the coordinate data output from the controller 30, and the recognized character code is output to the controller 30. 35 is a hard disk device that stores the data processed by the controller 30, and 3 stones are printers that print the data processed by the controller 30. Further, 37 is a NAPLPS terminal device that functions as an information communication terminal under the instructions of the controller 30, and this NAPLPS is a North Aneri
csn-Presentation LevelP
It is an abbreviation for rotocol syntax, and is the name of a videotex system that has been standardized in North America.

This NAPE/PS terminal device 37 is connected to a host computer 39 via an analog dedicated line 384, and this host computer 39 is responsible for managing personnel matters such as the presence/absence/absence of executives and executives of a specific company. There are 4 systems that collectively process information within a subversive company such as information and management information, and store this internal information within a subversive company as character and graphic information, and create a NAPLPS.
In response to a request from the terminal device 37, the corresponding character/graphic information is returned to the NAPLPS terminal device 37.

Next, the operation of the video telephone terminal device according to the embodiment described above will be explained with reference to the flowcharts shown in FIGS. 13 and 4, and the liquid crystal display screens shown in FIGS. 5 to 8.

First, when the power is turned on, the controller 30
After initializing each part in step SP1 shown in the figure, the process proceeds to step SP2, and the menu screen G shown at No. 650J is displayed on the display screen of the liquid crystal display device 14 of the operation board 8.
Display 1. In this case, the controller 30 displays the menu screen G! A computer video signal for displaying is supplied to the liquid crystal display device I4 via the superimpose circuit 29.

Here, in the various operation modes of "Telephone", "Phonebook", "Drawing/Word Processing", "TV", and "New Management Information System" displayed at the upper left corner of the menu screen GL,
When any of them is pressed with the tip of the ben 15, the coordinate data of the pressed part is transferred from the coordinate human power device 13 to the controller 30.
and specify each operating mode. In other words, “
If "Phone" is pressed, step SP3 to step S
The process advances to P4 and enters the videophone mode for making a videophone call with the other party's terminal 3. “If phonebook° is pressed, step SP
Proceed from Step 5 to step SP6 to search and edit the telephone directory (
The phone book mode continues until it is determined in the next step SP7 that "0 menu" shown outside the liquid crystal display screen has been pressed. When "Drawing/Word Processing" is pressed, the process advances from step SP8 to Step SP9, and the mode enters a drawing/word processing mode in which drawing by handwriting input operation and document creation and searching using the handwriting input identification device 32 are performed. The drawing/word processing mode continues until it is determined in the next step 5PIO that "Menu" has been pressed.If "TV°" is pressed, step 5PII
The process then proceeds to step 5P12, where the TV reception mode for receiving general television broadcasts is entered, and the TV reception mode continues until it is determined in the next step 5PI3 that ``CLEAR'' or ``MENU'' is pressed. When "New Management Information System" is pressed, the process advances from step 5P14 to step 5P15, and the new management information system access mode uses the host computer 39 to search for corporate information.In the next step 5P16, "Clear" or This mode continues until it is determined that "-menu°-" has been pressed.

If none of these operating modes is specified, the process returns from step 5P17 to step SP2 unless the power is turned off.

Here, the operation in the videophone mode in step SP4 will be explained. In this case, it is assumed that a push button (not shown) has been pressed and a line between the own terminal 1 and the other party's terminal 3 has been secured.

In this state, the controller 30 executes each process shown in FIG. 4. That is, in step 5P20, the co-op 20 is initialized, and then in step SP2+, the switcher 25 is switched in order to make a person-to-person call, which is a normal videophone call. in this case,
A video signal of a self-portrait photographed by the person camera 6 is supplied to one input terminal of the copier 20 and the picture-in-picture circuit 27, while the other party's image (transmitted from the other party's terminal 3) decoded by the copier 20 is The switcher 25 is switched so that the video signal of the image) is supplied to the other input terminal of the picture-in-picture circuit 27. As a result, the other party's image is displayed on the large screen 28II of the CRT monitor 2-8, and the self-portrait is displayed on a small screen 28b that is part of the large screen 28m.

Next, in step 5P22, the controller 30 executes each process of drawing/word processing mode, and thereby,
LCD display bag! A box drawing screen G2 shown in FIG. 6 is displayed on the +4 display screen.

Here, operation marks M1-M7 are shown outside the liquid crystal display screen on the left side of the coordinate input device 13 shown in FIG. 6, which are pressed when instructing various operations in the videophone mode.

The operation mark Ml is pressed when making a call using the handset 5. When this mark M1 is pressed, the microphone 9 and speaker 10 in the handset 5 are activated. The operation mark M2 is for activating the microphone 22 and speaker 23 for the hand-free phone.
3 is for specifying a person-to-person call in step SP21.

In addition, the operation mark M4 is for specifying a call/picture call, and when this is pressed, step 5P2 shown in FIG.
3 to step 5P24, the switcher 25 is switched in order to perform the call.

In this case, the controller 30 supplies the video signal of the document or drawing on the table taken by the document camera 7 to the superimpose circuit 29, and the video signal of the other party's image decoded by the copier 20 and the superimpose circuit 29.
The composite video signal output from the superimpose circuit 29 is supplied to two input terminals of the picture-in-picture circuit 27, and the composite video signal output from the superimpose circuit 29 is supplied to the copier 20. Switcher 25Jf: Switch. In addition, the picture-in-picture circuit 27 switches the sizes of the screens to be synthesized, and a calligraphy image such as a document or drawing is displayed on the large screen 28a of the CRT monitor 28, and a small screen 28b, which is a part of the large screen 28a, is displayed on the large screen 28a of the CRT monitor 28. The other party's image is displayed.

Furthermore, the video signal synthesized by the superimpose circuit 29 is supplied to the liquid crystal display device 14, and the display screen displays a document image S (of a design drawing, for example) captured by the document camera 6, as shown in FIG. , and computer images B 1 , , B 2 based on the image data written into the VRAM 31 of the controller 30 by handwriting input operation are displayed in an overlapping manner. That is, when Ben 15 draws a figure on the coordinate system 13 of the operation board 8, the coordinate data corresponding to the figure is sequentially supplied to the controller 30 and the stone is drawn. Then, the controller 30 creates image data corresponding to one inputted figure based on the sequentially supplied coordinate data, writes it into the VRAM 31, and outputs a video signal for displaying the figure. This results in
A computer image B shown in FIG. 7 is displayed on the display screen of the liquid crystal display device 14.

is displayed. In this case, the superimpose circuit 29
Since the composite video signal output from the terminal 3 is also sent to the other party's terminal 3, a specific portion of the document image S can be shown to the other party by drawing.

In addition, the controller 30 exchanges drawing data with the other party's terminal 3 via the copier 20, and stores the drawing data in the VRAM 31 based on the drawing data transmitted from the other party's terminal 3.
New image data corresponding to the drawing input by the coordinate input device of the partner terminal 3 is written. As a result, the computer image B is displayed on the display screen of the liquid crystal display device 14 as shown in FIG. It can be pointed out by

Next, the operation mark M5 shown in FIG. 6 is for specifying a still image call, and when this is pressed, the process advances from step 5P25 to step 5P26 shown in FIG. The user instructs the user to create a still image, and also switches the switcher 25. In this case, the still image created by the copier 20 is sent to the other party's terminal 3 and also supplied to one input terminal of the picture-in-picture circuit 27, and is further decoded by the copier 20 to generate a video signal of the other party's image. The switcher 25 is switched so that the signal is supplied to the other input terminal of the picture-in-picture circuit 27. This allows the other party's image to be displayed on the large screen 2811 of the CRT monitor 28.
, and a still image is displayed on the small screen 28b.

Furthermore, when the mark M6 is pressed, the self-portrait is temporarily displayed on the large screen 28a, and when the mark M7 is pressed, the small screen 28b is erased, the large screen 28a and the small screen 28b are replaced, etc.

Next, symbols E and -E11 shown in FIG. 6 are icons that are pressed when instructing various drawing processes and changing the mode in the drawing #i/word processor mode.

These have the following functions. Icon E, ~
E7 is used to specify a drawing method such as pointillist mode (freehand mode), vertical line mode, empty square mode, and to specify line thickness and color.

Also, icon E is pressed to specify word processing mode, icon E is pressed to specify file processing mode, and icon Eto is pressed to specify television reception mode.
is pressed when transferring drawing data to the partner terminal 3.

Here, when the icon EIO is pressed, the process advances from step 5P27 to step 5P2-8 shown in FIG. 4, and the television reception mode is entered. In the television reception mode, the controller 30 activates the television tuner 24, causes the CRT monitor 28 to display the video of some television broadcasts received by the television tuner 24, and outputs the audio from the monitor speaker 24a. Furthermore, these-
The video and audio signals of acid television broadcasting are on Copeic 20.
switcher 25 so that the data is sent to the other party's terminal 3 via
Switch.

The above are the main operations in the videophone mode, and when the call ends in this mode, the process returns from step 5P29 shown in FIG. 4 to step SP2 shown in FIG. 3, and the display screen of the liquid crystal display device 14 is changed as shown in FIG. Menu screen G
It becomes l.

Next, the operation of the (management information system access mode) in step 5PI5 shown in FIG. 3 will be explained. On the menu screen Gl shown in FIG. - When the mode is specified, an operation guidance screen G3 as shown in FIG. 8 is displayed on the display screen of the liquid crystal display device 14. This shows various operational guidance necessary when accessing the new management information system, which is centered on three host computers that collectively process the information.Then, a specific display part of the operational guidance screen G3 is pressed with the pen 15. , the coordinate values (operation information) are supplied from the coordinate input bag W13 to the controller 3G, and the controller 30 inputs the input operation information as NA
It is sent to the host computer 39 via the PLPS terminal bag [37] to request specific company information. The company information retrieved by the host computer 39 in response to this request is sent back to the NAPLPS terminal device 37,
After being processed by the controller 30, the LCD display bag [
14. In this way, the videophone terminal device can be used as a terminal device for the new management information system, and is originally an operation board for displaying each N operation guide as the videophone terminal device and inputting various operation information. 8 can be used as a keypad (input device) for the NAPLPS terminal device 37, eliminating the need for a dedicated keypad.

In addition, in the operation guidance screen G3 above,
If the part labeled “Menu” is pressed,
The process returns from step SP+6 shown in FIG. 3 to step SP2, and the menu screen Gl is displayed again.

"Effects of the Invention J As explained above, according to the present invention, various operational guidance as an information terminal or as a videophone terminal when accessing a host computer that collectively processes in-house information is provided. Based on the operation information displayed by the display means and input by the human power means,
The operation of each part is controlled, and it is also possible to send operating information and request company information to the host computer via data communication means, so it is possible to do so by adding the minimum necessary equipment. - In addition to its original function as a videophone terminal device, it can also be provided with the function of a terminal device for an in-house information system, which allows the entire device to be configured compactly and take up limited office space. Since it can be used effectively and can be operated using the same operation panel, it is possible to obtain the effect of improving operability.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the electrical configuration of an embodiment of the present invention, FIG. 2 is a perspective view showing the external configuration of the embodiment, and FIG.
5 and 4 are flowcharts for explaining the operation of the embodiment, and FIGS. 5 to 8 are diagrams showing display examples of the liquid crystal display device 14 according to the embodiment. 3... Perspective type coordinate input device (input means), 4.
...Liquid crystal display device (display means), 0...
Controller (control means), 7...NAPLP
S terminal device (data communication means), 8... Dedicated line, 9... Host computer.

Claims (1)

[Scope of Claims] In a videophone terminal device that transmits images taken by an imaging means provided on its own terminal to a terminal of the other party and displays images transmitted from the terminal of the other party, corporate information is collectively processed. A data communication means connected to a host computer via a dedicated line, and various operational guidance as an information terminal that accesses the host computer via the data communication means are displayed, as well as various operational guidance as a videophone terminal. a display means for displaying information; an input means for inputting necessary operation information according to the operation guide displayed on the display means; and an input means for controlling the display of the display means and inputting necessary operation information based on the operation information input by the input means. a control means for controlling the operation of each part by means of the data communication means, further transmitting the input operation information to the host computer via the data communication means, and displaying the in-company information obtained from the host computer on the display means; A videophone terminal device comprising: