JPH08265449A - Video interaction system - Google Patents

Abstract

PURPOSE: To enable a handicapped person (a handicapped person in talking or hearing) or the like to execute interaction by transmitting and displaying manually inputted information using a touch panel in a video interaction system to be used between a police box and the main police station or the like. CONSTITUTION: When a user inputs handwritten characters or the like from a touch panel 2 loaded on the display face of a display part 4, a control part 7 transmits touch panel position data to a low speed data(LSD) processing part 11 in a video conference system and a multi-media processing part 12 multiplexes a voice signal from a voice input part 17 and a video signal from a TV camera 15 as LSD. Then the multiplexed signal is sent to a center terminal through an ISDN communication part 13, a digital service unit(DSU) 14 and a telephone line S1. In the center terminal, the control part 7 displays touch panel coordinate data on the display part 4 as characters or pictures through a reverse route.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a television dialogue system which is used between police boxes and main offices and which enables dialogue using manually input information such as characters.

[0002]

2. Description of the Related Art As a conventional TV dialogue system, there is a system in which a terminal device is installed at a police box or the like and a TV dialogue is conducted with a main office by a pseudo moving image. However, for the weak (people with deafness and deafness), etc., the pseudo-video can be confirmed, but there is a problem that it is difficult to confirm because it is too fast in sign language.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a television dialogue system capable of coping with vulnerable persons and the like.

[0004]

In a television interactive system having a video input means and a video display means on both sides, a handwriting input means and a transmission means for transmitting input data inputted from the handwriting input means are provided, and the handwriting input means is provided. The input character information or the like is displayed on the video display means so that the characters can be used for dialogue.

The handwriting input section means is a touch panel, and the input data to be transmitted is coordinate data of the touch panel.

The touch panel input data to be transmitted is superimposed on other image data and the like as LSD (low speed data) common to the video conference system, and is transmitted via a telephone line such as ISDN.

A character recognizing means for converting the handwritten input data into a character code is provided, and the character code is transmitted so that dialogue by characters can be performed.

The assumption message is displayed on the display device at one end, and the information specified on the touch panel from the assumption message is displayed on the terminal at the other end.

At least one of the terminals has a voice recognition function, converts input voice into character code data,
It is transmitted to the other terminal and displayed as character information.

A plasma display is used as the image display means.

[0011]

In a television dialogue system having a video input means and a video display means on both sides, a handwriting input means and a transmission means for transmitting input data input from the handwriting input means are provided,
By displaying the character information or the like input from the handwriting input means on the video display means so that the user can interact with the characters or the like, it becomes possible to interact with a remote place using handwritten characters or the like.

By using the touch panel as the handwriting input unit and using the touch panel coordinate data as the input data to be transmitted, the data processing amount of the terminal can be reduced and the transmission capacity can be reduced.

The touch panel input data to be transmitted is superposed on other image data and the like as LSD (low speed data) common to the video conference system, and is transmitted via a telephone line such as ISDN to obtain a normal television. The compatibility with the dialogue system is good, and a general-purpose IC can be used, which is economical.

By providing a character recognizing means for converting the handwritten input data into a character code and transmitting the character code to carry out a dialogue by characters, it is possible to display characters with good visibility.

By displaying the assumption message on the display device at one end and displaying the information designated by the touch panel from the assumption message on the terminal at the other end, the user's operation becomes easy.

At least one of the terminals has a voice recognition function, converts the input voice into character code data,
By transmitting to another terminal and displaying it, it is possible to easily input characters at the center or the like.

When the plasma display is used as the display device, the display surface is flat and thin, so that the compatibility with the touch panel is good and the space factor of the terminal is improved.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A television dialogue system according to the present invention will be described in detail below with reference to the drawings. FIG. 2 shows an embodiment of a television dialogue system according to the present invention. Police box 21, 2
Terminals 22 and 22 are installed in the main station 2 via telephone line S21, S21, ...
4 is connected to the center terminal 25. Each terminal 22, 22, ...
In addition to the voice and video television conversations between the center terminal 25 and the center terminal 25, it is possible to use character information or the like for weak persons (persons who are deaf or hard of hearing).

FIG. 1 is a block diagram of a terminal of an embodiment of a television dialogue system according to the present invention. When a user inputs a handwritten character or a picture with a finger or a pen from the touch panel 2 mounted on the display front of a plasma display (display section) 4 which is a display section for displaying images and character information, the touch panel is controlled by the control section 7. The position data is transmitted to the LSD (low speed data) processing unit 11 of the video conference system, and the multimedia multiplexing processing unit 12 is used as the LSD.
Then, the audio signal from the audio input unit 17 and the video signal from the TV camera 15 are coded by the codec 16 and multiplexed by the multimedia multiplexing unit 12, and the ISDN communication unit 13 and the DS
IN via U (Digital Service Unit) 14
The S-net 64 signal S1 is sent to the center terminal via the telephone line. In the same center terminal as in FIG. 1, the control unit 7 traces the touch panel coordinate data on the plasma display 4 as a handwritten character or picture by following the opposite route. The transmitted voice is output from the voice output unit 19.

As another embodiment of the television interactive system according to the present invention, in FIG. 1, a handwritten character is input from the handwriting input unit 3, and the input data is converted into a character code by the character recognition unit by the control unit 7. Video conference system LSD
(Low-speed data) Transmitted to the processing unit 11 and LSD
As the multimedia input processing unit 12, the voice input unit 17
The audio signal from the TV camera 15 and the video signal from the TV camera 15 are coded by the codec 16 and multiplexed by the multimedia multiplexing unit 12, passed through the ISDN communication unit 13 and the DSU (digital service unit) 14, and converted into an INS net 64 signal S1. It is sent to the center terminal via the telephone line. In the same center terminal as in FIG. 1, the route reverse to the above is followed, and the control unit 7 converts the character code into the character font 9 and displays it on the plasma display 2.

Another aspect of the television dialogue system according to the present invention
As another embodiment, in FIG. 1, when the control unit 7 recognizes the presence of the user by the proximity sensor 1 such as an infrared sensor,
The assumption message 9 stored in the storage unit in advance is read out and displayed on the plasma display 4. When the user gives an instruction from the touch panel on the touch panel, the information is transmitted to and displayed on the center terminal via the telephone line S1 in the same manner as described above. At the center, a response to it is input from the voice input unit 17, converted into a digital signal by the analog / digital conversion unit 20, converted into character code by the voice recognition unit 18, and sent to the user terminal via the telephone line S1 to generate the plasma. Display on the display screen.

[0022]

As described above, in the TV dialogue system, by using the touch panel or the like mounted on the plasma display, it is possible to talk with handwritten characters or pictures, so that the weak (word or ear) can be used. People with disabilities) can also interact with remote areas. In addition, operability of the system is further improved by combining the display selection method of the assumed message and the voice recognition method.

[Brief description of drawings]

FIG. 1 is a block diagram of a terminal of an embodiment of a television dialogue system according to the present invention.

FIG. 2 is an embodiment of a television dialogue system according to the present invention.

[Explanation of symbols]

 1 Proximity sensor 2 Touch panel 3 Handwriting input unit 4 Display unit 5 Switching unit 7 Control unit 8 Character recognition unit 9 Character font and assumption 10 Memory unit 11 LSD (low speed data) 12 Multimedia multiplexing unit 13 ISDN communication unit 14 DSU (Digital service unit) 15 TV camera 16 Codec 17 Voice input unit 18 Voice recognition unit 19 Voice output unit 20 Analog / digital converter 21 Alternate box 22 Terminal 23 Exchanger 24 Main office 25 Terminal

Claims (7)

[Claims] 1. A television dialogue system having a video input means and a video display means on both sides, a handwriting input means,
It is characterized in that it comprises a transmission means for transmitting input data inputted from the handwriting input means, and displays character information etc. inputted from the handwriting input means on the video display means so that dialogue by characters etc. can be conducted. TV dialogue system. 2. The handwriting input section means is a touch panel,
A television dialogue system characterized in that input data to be transmitted is coordinate data of a touch panel. 3. The input data is transmitted as LSD (low speed data) of the transmission data of the video conference system by superimposing it with other image data or the like via a telephone line. The described television dialogue system. 4. A character recognizing means for converting handwritten input data into a character code, and transmitting the character code so that dialogue by characters is performed.
The television dialogue system according to claim 2 or 3. 5. The television according to claim 1, wherein the assumption message is displayed on the display means of one terminal, and the information designated by the touch panel from the assumption message is displayed on the other terminal. Dialog system. 6. The television according to claim 1, wherein at least one of the terminals is provided with a voice recognition function, the inputted voice is converted into character code data, which is transmitted to the other terminal for display. Dialog system. 7. The television dialogue system according to claim 1, claim 2, claim 3, claim 4, claim 5, or claim 6, wherein the display means is a plasma display.