JPH0241083A - Television receiver with video telephone set - Google Patents

Abstract

PURPOSE:To reduce the occupied space by integrating a video telephone set and a television receiver so as to use the television receiver as a display device for the television telephone set and using the screen of a CRT for a various kinds of video signals. CONSTITUTION:The video telephone set 4 consists of a television telephone set circuit 40, a television camera 41 and a telephone set 42 and an output of the television camera 41 is given to changeover circuits 80, 90. Moreover, an output of a frequency conversion section (channel switch) 61 of the television receiver 6 is given to the changeover circuits 80, 90. Furthermore, an external terminal 91 is connected to the changeover circuits 80, 90. Buttons 86-89 such as transmission, display, pickup and selection are selected and a control circuit 85 switches the changeover circuits 80, 90 to display a picture of the video telephone set, a picture of a television broadcast or other picture such as a VTR and other external device is displayed on the CRT 60B of a display system 6. Thus, the occupied space is reduced and mis-connection of various video equipments is prevented and the operability is improved.

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a television receiver with a videophone, and in particular to various applications such as integrating a videophone and a television receiver and projecting videophone images on the television receiver. The present invention relates to a television receiver with a videophone that allows for transformation.

[Conventional technology]

Conventionally, this type of videophone has been provided in the form of a general telephone with a video transmitting/receiving device added. The video transmitting/receiving device includes a television camera, a display unit, and converts a signal from the television camera into an audio frequency signal and sends the signal to a telephone line.
Alternatively, it is configured to include a control section that performs processing to convert an audio frequency signal from a telephone line into a video signal, and also performs other processing.

In such videophone calls, a telephone calls the other party, an image to be sent is captured on the camera of the video transmitting/receiving device, and a control section of the video transmitting/receiving device converts the image into an audio frequency signal and sends it to the telephone line. . The other party's videophone receives the image signal with the video transmitting/receiving device, forms a video signal from the audio frequency signal with the control section, and displays this as the video signal on the display section.

Of course, a video signal can also be sent from the other party, which can be received and displayed on the display section of the video transmitting/receiving device. Further, the video transmitting/receiving device can be connected to a television receiver, and can display the video captured by the television camera or the video sent from the other party.

[Problem to be solved by the invention]

However, according to the videophone, since the video transmitting/receiving device is separate, it is necessary to wire each time to operate various functions, which has the disadvantage of causing incorrect wiring. be.

Furthermore, since the videophone is a separate unit, it has the disadvantage that it occupies space. Furthermore, the videophone has a disadvantage in that it is complicated to operate when it is desired to output images to another television receiver.

In addition, the videophone has the disadvantage that it does not have a terminal for obtaining a video signal from the outside.

The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide a television receiver with a videophone that is easy to operate and occupies less space.

[Means to solve the problem]

In order to achieve the above object, a first configuration of a television receiver with a videophone according to the present invention is such that a videophone and a television receiver are integrated, and the television receiver can be used as a display device for a videophone. It is structured as follows.

A second configuration of the present invention is a configuration in which a videophone and a television receiver are integrated, a configuration in which the television receiver can be used as a display device for the videophone, and a video signal on the videophone side and another video signal. A switching means is provided for supplying either one to the display system of the television receiver.

A third configuration of the present invention is a configuration in which a videophone and a television receiver are integrated, a configuration in which the television receiver can be used as a display device for the videophone, and a video signal from a television camera for the videophone and a videophone circuit. The device is equipped with a switching means for supplying either a video signal from the TV or a video signal based on television broadcasting to the display system of the television receiver.

A fourth configuration of the present invention is a configuration in which a videophone and a television receiver are integrated, and the television receiver can be used as a display device for the videophone. The device is constructed by providing a switching means for supplying either a video signal based on the video signal or a video signal from an external video device to the video phone circuit of the video phone.

A fifth configuration of the present invention is a configuration in which a videophone and a television receiver are integrated, and the television receiver can be used as a display device for the videophone. This configuration includes switching means for supplying either the signal or the signal to the videophone circuit of the videophone.

A sixth configuration of the present invention is to integrate a videophone and a television receiver, combine the television receiver with a display device of the videophone, and combine the television receiver with a circuit that realizes the function of a two-panel television. A video signal from a TV camera for a TV phone, a video signal from a TV camera for a video phone, a video signal based on TV broadcasting, or a video signal from an external video device is transmitted to the two sides of the TV receiver. It is constructed by providing switching means for supplying the power to the circuit that realizes the function.

[Effect]

According to the first configuration of the television receiver with a videophone of the present invention, the videophone and the television receiver are integrated, and the display system of the television receiver can be used as a display device of the videophone. be.

In this way, when talking on a videophone, the video of the other party can be displayed using the display system of the television receiver. Therefore, according to the first configuration of the present invention, since it is integrated, the occupied space can be reduced, and there is no need for troublesome wiring etc. when using a videophone, and moreover, it is possible to view images on a large screen. Can be done.

According to the second configuration of the present invention, in addition to the first configuration, switching means is added for supplying either the video signal on the videophone side or the other video signal to the display system of the television receiver. ing. In this way, switching between the television receiver and the television telephone can be easily performed using the switching means. Therefore, according to the second configuration, it is easy to switch between the videophone and the television receiver using the switching means, and it is possible to watch programs such as television broadcasts and view the screen from the videophone. .

According to the third configuration of the present invention, with respect to the first configuration,
A switching means is added for supplying one of the video signal from the videophone camera, the video signal from the videophone circuit, and the video signal based on television broadcasting to the display system of the television receiver. .

According to the third configuration, the image from the television camera of the videophone is displayed on the display system of the television receiver; It is easy to switch between displays.

In addition to the first configuration, a fourth configuration of the present invention provides for transmitting either a video signal from a video camera for a video phone, a video signal based on a TV broadcast, or a video signal from an external video device into a video phone. This system is equipped with a switching means for supplying power to the videophone circuit. Therefore, it can be operated as a videophone, a television receiver, and can also be used as a VTR. Moreover, its operation becomes very easy.

According to the fifth configuration of the present invention, in contrast to the first configuration, the switching means supplies either the video signal from the video phone television camera or the other video signal to the video phone circuit of the video phone. It has been established. Thereby, the TV program, VTR, etc. that was being watched on the sending side can be sent to the receiving side. Further, the operation for sending out the above-mentioned signal from the sending side becomes extremely simple.

In a sixth configuration of the present invention, in addition to the first configuration, the television receiver receives video signals from a dual-screen television receiver and a TV camera for a videophone, and a video signal from a control circuit for a videophone. Any two of the signals consisting of a video signal based on a television broadcast, and a video signal from an external video device are displayed on two sides. Therefore, according to the sixth configuration, various displays can be displayed, the switching is easy, and there is no possibility of erroneous wiring.

〔Example〕

Embodiments of the present invention will be described below based on the drawings.

FIG. 1 is a circuit diagram showing an embodiment of a television receiver with a videophone according to the present invention.

In FIG. 1, a television receiver with a videophone 2 includes a control circuit 8 that integrates a televisionphone 4 and a television receiver 816 and allows a display system 60 of the television receiver 6 to be used as a display device of the televisionphone 4. It is configured by providing the following.

The videophone 4 includes a television camera 41, a videophone circuit 40, and a telephone set 42. The television receiver 6 includes a frequency conversion section 61 including a high frequency amplification circuit, a frequency conversion circuit, and an intermediate frequency amplification circuit, and either a video signal from the frequency conversion section 61 or a video signal from the videophone circuit 40. and a display system 60 that captures and displays the image. The display system 60 includes a display circuit 60A that generates a display signal from a video signal, and a cathode ray tube 60B that generates an image from the display signal from the display circuit 60A. The control circuit 8
is a control circuit 8 that controls switching of the switching circuit 80;
5, a transmission instruction button 86 that gives a transmission command, a display instruction button 87 that gives a display command, and a photographing command button 88 that gives a photographing command. Selection button 89 for selecting
It is equipped with Further, the output of the television camera 41 is connected to the television telephone circuit 40 and the switching circuit 80. The video telephone circuit 40 is connected to a switching circuit 80, a telephone set 42, and a telephone line 10.

The operation of the embodiment configured in this way will be explained.

Sending images> First, the case of transmitting an image will be explained.

By pressing the shooting command button 88, the control circuit 8
5 gives a photographing command to the videophone circuit 40. As a result, the subject is photographed by the television camera 41 and the image signal thereof is input to the television telephone circuit 40. Videophone circuit 4
At 0, the image is stored. Then, when the transmission instruction button 86 is pressed, the control circuit 85 sends a message to the videophone circuit 4.
0, the video telephone circuit 40 reads out the stored image at a low speed, converts it into an audio frequency signal, and sends it to the telephone line 10.

<Receiving images> Phone line Ii! Data related to the images sent from the videophone circuit 40 are stored in the videophone circuit 40. When the reception is completed, the display instruction button 87 is pressed to switch the switching circuit 80 to the video telephone circuit 40 side and cause the video telephone circuit 40 to output a video signal. Thereby, the video signal from the video telephone circuit 40 is given to the display circuit 60A via the switching circuit 80. Therefore, the image of the other party is displayed on the cathode ray tube 60B.

<Others> If you press the selection button 89 toward yourself, the TV camera 4
The video signal from 1 is sent to the display circuit 6 via the switching circuit 80.
Supplied to 0A. Therefore, the cathode ray tube 60B is driven by the display signal formed by the display circuit 60A, and the image photographed by the television camera 41 is displayed.

FIG. 2 is a block diagram showing a second embodiment of the television receiver with video telephone according to the present invention.

The second embodiment shown in FIG. 2 differs from the first embodiment shown in FIG.
0, in addition to the control circuit 85, transmission instruction button 86, display instruction button 87, shooting instruction button 88, and selection button 89, issues a command for switching the switching circuit 90, external terminal 91, and switching circuit 90. A selection switch 92 is provided, and an external display switch 93 is provided so that a signal from an external terminal 91 can be supplied to the switching circuit 80. Therefore, in this embodiment, since there is no other change in the configuration, the same components are given the same reference numerals and the description thereof will be omitted.

Here, the output of the television camera 4I, the output of the frequency converter 61, and the output of the external terminal 91 are connected to the switching circuit 90. The switching circuit 90 selects whether the signal is from the television camera 41 or the frequency converter 61.
A signal from the external terminal 91 is selected and the selected signal is supplied to the videophone circuit 40. The switching circuit 90 is configured to be switched by a switching signal from the control circuit 85. This is done by inputting a signal from the selection switch 92 to the control circuit 85. A signal from an external terminal 91 is input to the switching circuit 80 . The switching circuit 8
0, by operating the external display switch 93,
It is designed to switch.

The operation of the second embodiment will be explained.

First, in the second embodiment, the only addition is that the signal from the external terminal 91 can be displayed on the display system 60 when displaying on the cathode ray tube 60B. This is the same as the first embodiment.

In addition, in the second embodiment, the selection switch 92
By operating the switching circuit 90 and the switching circuit 8
0 to select a signal from the television camera 41, a signal from the frequency converter 61, or a signal from the external terminal 91. As a result, one signal is supplied to the display circuit 60A and the videophone circuit 40. Then, the signal selected by the switching circuit 80 is displayed on the display system 60.

When the user confirms the image displayed on the display system 60 and presses the transmission instruction button 86, the image is transmitted from the video telephone circuit 40 to the telephone line 10.

In this way, in this embodiment, various images can be sent to the other party.

FIG. 3 is a block diagram showing a third embodiment of the television receiver with video telephone according to the present invention.

The third embodiment shown in FIG. 3 differs from the first and second embodiments described above in that the television receiver 6' is
Addition of dual-screen TV circuit 63 and switching circuit 8
0 and the output from the switching circuit 95 to the dual-screen television circuit 63.
The point is that it is designed to supply each.

The two-screen television circuit 63 includes a main screen circuit 63A, a sub-screen circuit 63B, and a parent-child interface 63C. The output of the parent-child interface 63C is connected to a display circuit 60A. The parent-child interface 63C is 1. Main screen circuit 63A and sub screen circuit 63
It is connected to B. The main screen circuit 63A is connected to a switching circuit 80. The child screen circuit 63B is
It is connected to the switching circuit 95. The switching circuit 80 and the switching circuit 95 include a television camera 41 and a frequency converter 6.
1, the videophone circuit 40, and an external terminal 91. Further, although not shown, functions of the dual-screen television can be controlled.

The operation of the third embodiment configured in this way will be explained.

FIG. 4 is a flowchart for explaining the operation of the third embodiment.

Normal use> ■According to this embodiment, unless a two-screen TV is used, the video signal is input from the video phone circuit 40 to the main screen circuit 63A via the switching circuit 80, which connects the parent-child interface 63C. The signal is supplied to the display circuit 60A through the display circuit 60A. Therefore, an image as shown in FIG. 4(a) is obtained on the cathode ray tube 60B.

(2) Also, the switching circuit 80 is switched so that the video signal from the television camera 41 is supplied to the main screen circuit 63A, and the video from the own side is supplied to the main screen circuit 63A. Then, this signal is supplied to the display circuit 60A via the parent-child interface 63C.

Therefore, on the cathode ray tube 60B, as shown in FIG.
), the image from your side will be displayed.

Use of two screens> ■The image signal from the videophone circuit 40 is sent to the main screen circuit 63.
The switching circuit 80 is switched so that the signal is supplied to A. Further, the video signal from the television camera 41 is transmitted to the sub-screen circuit 63B.
The switching circuit 95 is switched so that the signal is supplied to the source. Thereby, as shown in FIG. 4(b), while viewing the image sent from the other party on the main screen on the cathode ray tube 60B, the user can view his own image on the sub screen on the cathode ray tube 60B.

Of course, it is also possible to perform the opposite operation, that is, to display one's own image on the main screen of the cathode ray tube 60B and the other party's image on the sub screen of the cathode ray tube 60B.

■The image signal from the frequency converter 61 is transmitted to the main screen circuit 63A
The switching circuit 80 is switched so that the signal is supplied to the source. Also,
The video signal from the videophone circuit 40 is sent to the sub-screen circuit 63B.
The switching circuit 95 is switched so that the signal is supplied to the source. As a result, as shown in FIG. 4(d), while watching a television broadcast program on the main screen on the cathode ray tube 60B, the user can view the image sent from the other party on the sub screen on the cathode ray tube 60B.

Conversely, while viewing the image sent from the other party on the main screen on the cathode ray tube 60B, the user can watch a television broadcast program on the sub screen on the cathode ray tube 60B.

■'The image signal from the frequency converter 61 is transferred to the main screen circuit 63
The switching circuit 80 is switched so that the signal is supplied to A. Further, the video signal from the television camera 41 is transmitted to the sub-screen circuit 63B.
The switching circuit 95 is switched so that the signal is supplied to the source. This allows the user to view his or her own image on the sub screen on the cathode ray tube 60B while watching a television broadcast program on the main screen on the cathode ray tube 60B.

Conversely, the user can watch a television program on the sub screen on the cathode ray tube 60B while viewing his or her own image on the main screen on the cathode ray tube 60B.

(2) Connect a VTR or the like to the external terminal 91. Switch the switching circuit 80 so that the video signal from this VTR is supplied to the main screen circuit 63A. Further, the switching circuit 95 is switched so that the video signal from the video telephone circuit 40 is supplied to the small screen circuit 63B.

As a result, as shown in FIG. 4(e), while watching a television broadcast program on the main screen on the cathode ray tube 60B,
You can view the images sent by the other party on the sub-screen on 0B.

Conversely, while viewing the image sent from the other party on the main screen on the cathode ray tube 60B, you can watch the VTR on the sub screen on the cathode ray tube 60B.
You can see the video from.

(2) Connect a VTR or the like to the external terminal 91 and switch the switching circuit 80 so that the video signal from this VTR is supplied to the main screen circuit 63A. Further, the switching circuit 95 is switched so that the video signal from the television camera 41 is supplied to the small screen circuit 63B.

This allows the user to view his or her own image on the sub screen on the cathode ray tube 60B while viewing the video from the VTR on the main screen on the cathode ray tube 60B.

Conversely, the user can view the video of the VTR on the sub screen on the cathode ray tube 60B while viewing his or her own image on the main screen on the cathode ray tube 60B.

<Other uses> (1) Control the video telephone circuit 40 via the telephone line 10 from the outside and send the signal from the television camera 41 to the telephone line 10 via the video telephone circuit 40. This allows you to monitor the inside of the room from the outside.

■Also, by switching the switching circuit 90, the screen of the TV broadcast currently being watched or the screen of the VTR can be changed to the videophone circuit 40.
The signal is supplied from the video telephone circuit 40 to the telephone line 10. This allows you to inform the other party of the screen you are currently viewing.

(2) Furthermore, if the two parties are communicating using the same device, they can see the screen that the other party is viewing by displaying it on the display system 60.

Furthermore, while viewing the screen that the other party is viewing on the main screen on the cathode ray tube 60B, it is possible to view a TV program, one's own image on the VTR 1, etc., or the other party's image on the sub screen on the cathode ray tube 60B.

Conversely, while viewing the screen that the other party is viewing on the sub-screen on the cathode-ray tube 60B, the user can view a television program, his or her own image on the VTR 1, or the other party's image on the main screen on the cathode-ray tube 60B.

Thus, according to the third embodiment, the operation is as described above.

According to this embodiment, the occupied space is reduced.

Further, according to this embodiment, various types of display are possible.

〔Effect of the invention〕

As described above, according to the first configuration of the present invention, when talking on a videophone, the image of the other party can be displayed using the display system of the television receiver, so the occupied space can be reduced. What's more, there is no need to worry about wiring when using a videophone, and the video can be viewed on a large screen.

According to the second configuration of the present invention, it is easy to switch between the videophone and the television receiver using the switching means, and it is possible to watch programs such as television broadcasts and view the screen from the videophone. effective.

According to the third configuration of the present invention, the image from the television camera of the videophone is displayed on the display system of the television receiver, the image is displayed on the display system of the television receiver of the videophone, or other images such as those of television broadcasting are displayed. Moreover, the switching is easy.

The fourth configuration of the present invention has the advantage that it can be operated as a videophone, a television receiver, and can be used as a VTR, and its operation is extremely simple.

According to the fifth configuration of the present invention, a switching means is provided for supplying either the video signal from the video phone camera or another video signal to the video phone circuit of the video phone,
Since the television program, VTR, etc. that were being watched on the sending side can be sent to the receiving side, the operation of sending out the above-mentioned signals from the sending side is significantly simpler.

In a sixth configuration of the present invention, in addition to the first configuration, the television receiver receives video signals from a dual-screen television receiver and a TV camera for a videophone, and a video signal from a control circuit for a videophone. Since any two of the signals consisting of a video signal based on television broadcasting and a video signal from an external video device are displayed on two sides, the occupied space can be reduced. In addition, various displays can be displayed, switching is easy, and there is no possibility of erroneous wiring.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a block diagram showing a second embodiment of the invention, Fig. 3 is a block diagram showing a third embodiment of the invention, and Fig. 4 is a block diagram showing a third embodiment of the invention. It is a flowchart for explaining the operation of the third embodiment. 2...TV receiver with videophone, 4...TVphone, 6...TV receiver, 8...Control circuit, 10...Telephone line, 4o...TVphone circuit,
41...TV camera, 60...Display system, 80,9
0.95"°° switching circuit, 85...control circuit, 63.
...Two-panel TV circuit.

Claims (6)

[Claims] (1) A television receiver with a videophone, characterized in that a videophone and a television receiver are integrated, and the television receiver can be used as a display device for the videophone. (2) A videophone and a television receiver are integrated, and the television receiver is configured to be used as a display device for the videophone, and either the video signal from the videophone or other video signals is received on the television. 2. A television receiver with a videophone according to claim 1, further comprising switching means for supplying a signal to a display system of said television receiver. (3) A videophone and a television receiver are integrated, and the television receiver is configured so that it can be used as a display device for the videophone, and the video signal from the videophone camera and the video signal from the videophone circuit are integrated. 2. A television receiver with a videophone according to claim 1, further comprising a switching means for supplying either one of the video signal based on the television broadcast and the video signal based on the television broadcast to the display system of the television receiver. (4) A videophone and a television receiver are integrated, and the television receiver is configured to be used as a display device for the videophone, and the video signal from the videophone camera and the video signal based on the television broadcast are transmitted. 3. A television receiver with a videophone according to claim 1, further comprising a switching means for supplying either a video signal from an external video device to a videophone circuit of the videophone. (5) Integrating a videophone and a television receiver The television receiver is configured so that it can be used as a display device for a videophone, and a video signal from a video camera for the videophone,
3. A television receiver with a videophone according to claim 1, further comprising a switching means for supplying one of the video signals and the other video signal to the videophone circuit of the videophone. (6) A videophone and a television receiver are integrated, the television receiver is used as a display device for the videophone, the television receiver has a circuit for realizing the function of a two-screen television, and the television receiver is equipped with a television camera for the videophone. , a video signal from a TV camera for a videophone, a video signal based on TV broadcasting, or a video signal from an external video device, to the circuit that realizes the dual-screen function of the TV receiver. What is claimed is: 1. A television receiver with a videophone, characterized in that it is configured with a switching means for switching the videophone.