JPH02104080A - Still picture video telephone set - Google Patents

Abstract

PURPOSE:To improve the function by leading out a communication port for a serial data as an external terminal through a driver and a receiver and connecting an externally mounted device to the terminal via a connector so as to input various picture data to a CPU from the externally mounted device thereby diversifying the picture data able to be handled. CONSTITUTION:A personal computer as the externally mounted device is connected to a connector 13 and when a data such as A character is outputted from the personal computer, a receiver 12I converts a voltage signal and inputs the result to a CPU 9. The CPU 9 sends the inputted data to a telephone line via a connection terminal, processes it by a picture processing unit 8, stores it in a picture memory 7 or displayed on a CRT 8. On the other hand, the picture data sent from the telephone line is inputted to the CPU 9 via an exchange 3 and a MODEM 4, the data is converted into a voltage signal by a driver and receiver 120 from a communication port 11 and outputted to the personal computer.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a still image video telephone device that transmits and receives still images to and from a called party via a telephone line.

[Prior Art] Fig. 2 is a block diagram showing an outline of a conventional still image videophone device. In Fig. 2, (1) is a connection terminal for a telephone line (not shown), and (2) is an external Telephone (not shown)
connection terminals, (3) is an exchanger with an automatic call/receiver function connected to connection terminals (1) and (2), (4) is an exchanger (3)
), (5) is a television camera that photographs the caller, (6) is an image processor that quantizes the image data from the television camera (5), and (7) stores the image data. (8) is a CR as a display device that displays image data reproduced from the image memory (7).
T, (9) is a CPU as a control device that controls the modem (4) and image processor (6), (10) is a power switch,
This is a switch board on which a transmission switch, an image selection switch, etc. are attached, and this switch board is connected to the CPU (9).

Next, the operation will be explained. The voice signal sent through the telephone line is sent to the external telephone via the exchange (3).

When image data is sent (received image), this image data is demodulated by the modem (4) and supplied to the CPU (9). The CPU (9) sends the supplied image data to the image processor (6), performs quantization processing, and stores it in the image memory (7).
The image data stored in the image memory and reproduced from the image memory is supplied to the CRT (8) for display.

On the other hand, the image data (photographed image) of the caller photographed by the television camera (5) is quantized by the image processor (6) and stored in the image memory (7).

In addition, the image data played back from the image memory (7) is
The image is supplied from the image processor (6) to the CRT (8) for display, and is also supplied to the modem (4) via the CPU (9).

The modem (4) modulates the supplied image data and sends it to the telephone line via the exchange (3). Further, the voice from the external telephone is sent from the connection terminal (2) to the telephone line via the exchanger (3).

[Problems to be Solved by the Invention] Since the conventional still image videophone device is configured as described above, it is not possible to connect external devices such as a personal computer, printer, scanner, etc. There is a problem in that the image data handled by the system is limited to the image data of photographed images and received images.

This invention has been made to solve the above-mentioned problems, and aims to improve functionality by diversifying the image data that can be handled.

[Means for Solving the Problems] A still image videophone device according to the present invention includes a driver and a receiver that pull out a communication port provided in a CPU as an external terminal, and a connector that connects an external device to the driver and receiver. It is equipped with the following.

[Function] The CPU of the present invention has a communication port for serial data pulled out as an external terminal by a driver and a receiver, and an external device is connected to this via a connector, so that various images can be transmitted from the external device. data to CPU
The image data that can be input into the system can be input into the system, and the image data that can be handled can be diversified, making it possible to improve functionality.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings. In FIG. 1, the same parts as in FIG.
- Communication boat such as 232CSRC-422, (121)
, (120) are a driver and a receiver for converting the voltage of the communication board (11) and drawing it out as an external terminal. (13) is a driver and receiver (121);
(120) is a connector for connecting an external device (not shown), and this connector (13) is provided on the outer surface of the main case (14).

Next, the operation will be explained. The operation of receiving audio signals and image data sent from telephone lines, and the operation of television cameras (
The storage and display of the photographed image taken in step 5) and the operation of transmitting the photographed image to the telephone line are the same as those of the conventional device shown in FIG. 2, so the explanation will be omitted.

Now, when a personal computer is connected as an external device to the connector (13) and data such as pictures and characters drawn on the personal computer is output from the personal computer, the receiver (121) receives the voltage signal input through the connector (13). is converted into a signal that can be processed by the CPU (9) and input to the CPU (9).

As a result, the CPU (9) modulates the input data with the modem (4), sends it to the telephone line via the exchange (3) and connection terminal (1), and processes it with the image processor (6). The image is then stored in an image memory (7), and is reproduced from this image memory and displayed on a CRT (8) via an image processor (6).

On the other hand, the image data sent from the telephone line is inputted to the modem (4) through the exchanger (3), demodulated by this modem and inputted to the CPU (9), and then sent to the communication port (11). The voltage signal is converted by a driver and receiver (120) into a voltage signal that can be processed by a personal computer and output to the personal computer.

In addition, if you connect a printer with a communication port to the connector (13) instead of a personal computer, you can obtain a hard copy of the image data sent from the other party via the telephone line or the photographed image taken by the TV camera. be able to.

[Effects of the Invention] As described above, according to the present invention, a communication port provided in advance in a CPU is converted into voltage and drawn out as an external terminal, and a connector for connecting an external device is connected to this. Therefore, external devices such as computers with communication ports, scanners, printers, etc. can be attached to the Simple i11, and the image data that can be handled with these external devices is diversified and its functions are improved. effective.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of a still picture video telephone device according to an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional still picture video telephone device. In the figure, (5) is a television camera, (7) is an image memory, (8) is a display device (CRT), (9) is a control device,
(11) is a communication port, (121). (120) is a driver and receiver, and (13) is a connector. In addition, in the figures, the same reference numerals indicate the same or equivalent parts. Agent: Patent attorney Masuo Oiwa (2 others) 2nd January's all-January contract picture Temhye electric if device T lock diagram Figure 1 0f coming soon figure

Claims (1)

[Scope of Claims] An image memory that stores image data of captured images taken with a television camera and received images transmitted from the other party through a telephone line; and a display device that displays images reproduced from the image memory. , in a video telephone device comprising a control device that controls the image memory and the display device to display the image reproduced from the image memory on the display device and transmits and receives the image to and from the other party via the telephone line. , a driver and a receiver for converting serial data input and output from a communication port provided in the control device into voltage and outputting it as an external terminal; a connector for connecting an external device to the driver and receiver; A still image videophone device characterized by comprising: