JPH02231868A - Picture signal processor - Google Patents

Abstract

PURPOSE:To output required information by a receiver arbitrarily by means of hard copying by once storing a received picture signal to a memory, providing both a hard copy output means and a soft copy output means and controlling the output by a switching circuit in a facsimile receiver. CONSTITUTION:Two means are provided as the output means of the picture signal. At first, the first output means outputs the picture signal as the hard copy to recording paper, etc. Next, the second output means outputs the picture signal as the soft copy to an electronic display device 7 such as a TV monitor, etc. A display signal conversion circuit 6 reads the data of a video memory 5 and executes signal processing with matching to the display method of the display device 7. By providing a switching circuit 8 to control the operation of these two output means and to control the possibility of the output, the hard copy output or soft copy output can be obtained in correspondence to the request of the receiver.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an image signal processing device that selects an output method for an image signal received by a facsimile receiver.

BACKGROUND OF THE INVENTION When a conventional facsimile receiver receives a transmitted image signal, it demodulates the signal, performs signal processing according to the specifications of the 2 Beso recording device, records everything, and creates a hard copy. It was something to create.

FIG. 2 is a block diagram showing the main configuration of an image signal processing device used in a conventional facsimile receiver. Second
In the figure, 1 is a receiving circuit, 2 is a demodulation circuit, 3 is a recording signal conversion circuit, and 4 is a recording device.

The received signal input from the transmission path is selected by the receiving circuit 1,
The signal is amplified and taken out by the demodulation circuit 2 as an image signal. This image signal is processed according to the recording method of the recording device 4.
Signal processing is performed by the recording signal conversion circuit 3. For example, an image signal is scanned and output in synchronization with a transmission signal.

For detailed information on conventional facsimile technology, see Keijiro Kubota [Facsimile and Still Images] (March 20, 1975).
Problems to be Solved by the Invention In such conventional facsimile receivers, all received images are hard-copied onto recording paper, etc.
Recipients would only know what they were receiving after it was printed in hard copy. In recent years, facsimile machines that use public telephone lines have rapidly become popular and are being installed in ordinary homes. In such a situation, there is a possibility that the recipient will receive information that is not needed by the recipient, and there is also a lot of information that can be obtained just by looking at it once, and there is no need to record it and keep it as a hard copy. It's starting to look like this.

The present invention has been made in view of the above problems, and an object of the present invention is to provide an image signal processing device that controls whether or not to create a node copy of a received image based on the judgment of the receiver.

Means for Solving the Problems In order to solve the above problems, the present invention provides a signal processing circuit that stores an image signal received by facsimile in a memory and displays the data in the memory on an electronic display device to obtain a soft copy. Image signal processing comprising a signal processing circuit for recording on a recording device to obtain a hard copy, and further comprising a selection circuit for arbitrarily switching output of the received image signal to the electronic display device or the recording device. It is a device.

Effect of the Invention With the above-described configuration, the present invention can control image information received by the receiver to be determined in advance by soft copying and to create a hard copy if necessary.

Embodiment FIG. 1 is a block diagram showing an embodiment of the image signal processing apparatus of the present invention. In FIG. 1, blocks that are the same as those in FIG. 2 are given the same numbers.

1 is a receiving circuit, 2 is a demodulation circuit, 3 is a recording signal conversion circuit,
4 is a recording device, 5 is a video memory, 6 is a display signal conversion circuit, 7 is a display device, and 8 is a switching circuit.

In one embodiment of the present invention shown in FIG. 1, a received signal input from a transmission line is received by a receiving circuit 1, and is received by a demodulating circuit 2 as an image signal 5l3. Served. In this embodiment, this image signal is stored once in the video memory 5.

In the present invention, the following two means are provided as image signal output means. First, the first output means is a means for outputting a hard copy onto recording paper or the like using the recording device 4, similar to a conventional facsimile receiver. The recording signal conversion circuit 3 reads data from the video memory 5 and performs signal processing in accordance with the recording method of the recording apparatus 4.

Next, the second output means is means for outputting as a soft copy to an electronic display device 7 such as a TV monitor. The display signal conversion circuit 6 is adapted to the display method of the display device 7.
For example, the data in the video memory No. 6 is read out and signal processed so as to convert it into a standard NTSC signal.

Furthermore, the present invention includes a switching circuit 8 that controls the operation of the two output means and controls whether output is possible, so that hard copy output or soft copy output can be obtained according to the recipient's wishes. -It's something you can do.

Here, in the first embodiment of the present invention shown in FIG. 1, the received signal is demodulated and then stored in the memory, but in order to reduce the storage capacity, the data before demodulation is compressed. Needless to say, it is also possible to store the information in memory in its original state. In addition, if the memory capacity is secured so that multiple image signals can be stored, continuous image communication will not be restricted, and if the memory capacity is still exceeded, output as a hard copy to the recording device, Needless to say, it would be better to clear some or all of the memory.

Effects of the Invention The present invention provides a facsimile receiver that stores a received image signal in a memory once, has both hard copy output means and soft copy output means, and controls the output by a switching circuit. , which allows the recipient to arbitrarily output only the necessary information in hard copy.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an image signal processing apparatus according to an embodiment of the present invention, and FIG. 2 is a block diagram of an image signal processing apparatus used in a conventional facsimile receiver. 1...Reception circuit, 2...Demodulation circuit, 3...
... Recording signal conversion circuit, 4 ... Recording device, 5 ... Video memory, 6 ... Display signal conversion circuit, 7 ... Display device, 8...Switching (b) road.

Claims (1)

[Claims] A signal processing circuit for storing an image signal received by facsimile in a memory, displaying the data in the memory on an electronic display device to obtain a soft copy, and a signal processing circuit for recording the image signal in a recording device to obtain a hard copy; An image signal processing device comprising: a selection circuit that arbitrarily switches output of a received image signal to the electronic display device or the recording device.