JPH05236176A - Facsimile broadcast receiver - Google Patents

Abstract

(57) [Abstract] [Purpose] Facsimile broadcast programs and facsimile image data from telephone lines that you want to save in the expansion memory to be connected are stored and saved, and the image data from the expansion memory can be saved if necessary. The present invention provides a facsimile broadcast receiving apparatus which does not need to store a recording sheet for receiving a facsimile broadcast program and facsimile information from a telephone line by extracting and recording the same. [Composition] In a facsimile broadcast receiving apparatus for printing received facsimile broadcast image data on an external facsimile, by adding a removable expansion memory capable of storing and storing the image data, data of a desired program and the like can be stored in the expansion memory. Facsimile information from the telephone line can be stored, removed and stored, and when necessary, an expansion memory can be connected to extract the desired information data and print it out.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a facsimile broadcast for receiving a facsimile broadcast in which a facsimile channel with a second subcarrier is provided in the audio frequency band of a television broadcast radio wave and a facsimile signal is multiplexed with a voice signal for transmission. Receiving device

[0002]

2. Description of the Related Art In recent years, the above-mentioned facsimile broadcasting system has been put into practical use.

FIG. 5 is a diagram showing a spectrum of an audio frequency band in this facsimile broadcasting system. In addition to the main audio channel and the sub audio channel, a facsimile channel using a second sub carrier is provided.

FIG. 6 is a diagram showing the structure of one frame which is one transmission unit of a facsimile signal. Here, the data part of one packet is composed of 272 bits of digital data, a 16-bit mode control (MC) code is added to the head of this data part, and one packet is composed of 288 bits. The MC code is composed of information bits b1 to b5 and check code bits b6 to b16. Further, a frame is composed of 32 packets, and a 16-bit frame synchronization signal (FC) is added to the beginning of the frame.

In the facsimile broadcast receiving apparatus for receiving the facsimile broadcast of such a transmission form, first, the timing of the frame synchronization signal indicating the beginning of the data of one frame is surely detected to establish the synchronization with the transmitting side. The frame synchronization signal is reproduced to perform the program reception processing.

FIG. 7 is a diagram showing the data transmission order of one page. The facsimile signal is basically composed of a control signal and an image signal, and the control signal includes a 6-frame network signal or a blank signal, a 6-frame program selection signal, and a page end signal of 3 or more packets. Alternatively, it is composed of a program end signal.

Here, the network signal is a signal for transmitting operation data between broadcasting stations related to the network, and the blank signal is for ensuring an operation time such as cutting of recording paper after print output (image reception). Is a signal to be inserted into. The program selection signal is a signal for transmitting information related to program selection on the receiver side, for example, the program number and page number, and the page end signal is a signal indicating the end of the image signal for one page. The program end signal is a signal indicating the end of the image signal of the last page of the program.

In a facsimile broadcast receiving apparatus for receiving such a facsimile signal, the program numbers and page numbers of a plurality of programs desired to be printed out are input to the receiving apparatus and registered in the reservation memory of the receiving apparatus in advance. In the actual receiving operation, the program number and page number included in the program selection signal of the transmitted facsimile signal are collated with the program number and page number which are input in advance and registered in the reserved memory. When the two coincide with each other, the external facsimile is started up as if the facsimile information was sent from the telephone line, the image signal is transmitted to the external facsimile, the print output (image reception) is started, and the recording is performed. .. Recording is ended and the recording paper is cut by receiving the page end signal or the program end signal.

Further, when there is a facsimile transmission from the telephone line, the telephone line and the external facsimile are connected and printed out to the external facsimile.

[0010]

However, in such a facsimile broadcast receiving apparatus, when it is desired to save the reserved program of the facsimile broadcast or the facsimile information from the telephone line, it is printed and the printed recording paper is used. Had to be saved.

The present invention has been made in view of the above points, and stores image data of programs to be stored and facsimile information from a telephone line to be stored in an extension memory to be connected, and if necessary. It is an object of the present invention to provide a facsimile broadcast receiving apparatus that does not need to store received recording paper by extracting image data from the expansion memory and recording and recording the image data.

[0012]

According to the present invention, in order to achieve the above-mentioned object, a demodulation means for demodulating a facsimile signal, a signal processing means for receiving a demodulated facsimile signal, and one frame worth of data. A reception buffer memory capable of storing image data, an error correction circuit for performing error correction of received data, a corrected data memory for storing data corrected by the error correction circuit, and an image data after error correction are sequentially provided externally. A transfer buffer memory for transferring to a facsimile, an external facsimile connecting means for connecting a telephone facsimile to the outside as a recording device, a line switching means for switching a signal connected to the external facsimile between a telephone line and a facsimile broadcast, The image signal extracted by the signal processing means is sent to an external facsimile to print out pixel data. In a facsimile broadcast receiving apparatus provided with a recording unit, an expansion memory expansion unit capable of expanding an expansion memory capable of storing a program specified by facsimile broadcasting and facsimile image data from a telephone line, and the expansion memory. Memory information registration means for registering programs and facsimile data from a telephone line, expanded memory capacity judging means for automatically judging the capacity of the expanded memory added, and capacity judged by the capacity judging means In the image data storage means for storing the program and the facsimile image data from the telephone line registered in advance in the storage information registration means in the expansion memory, and the information desired to be printed from the image data stored in the expansion memory. A print output means for extracting image data, transmitting it to an external facsimile, and printing it out. It is constructed by providing.

[0013]

With the above structure, not only the image data of the desired facsimile broadcast program can be stored in the removable expansion memory,
Facsimile image data from the telephone line can be stored, removed and saved, and when necessary, connected to an extended memory, from the facsimile broadcast program data stored in the extended memory and the facsimile data from the telephone line,
Image data of desired information can be extracted and printed out.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention shown in the drawings will be described below in detail.

FIG. 1 is a block diagram of an entire facsimile broadcast receiving apparatus according to an embodiment of the present invention. In FIG.
Reference numeral 1 is a facsimile broadcast receiving section, 2 is an expansion memory which is a feature of the present invention, 3 is an external facsimile connected to the facsimile broadcast receiving section 1, 4 is an antenna for receiving a television signal in which facsimile signals are multiplexed, 5 Is a telephone line connected to an external facsimile, 6 is a demodulation section for demodulating a facsimile signal, 7 is a signal processing section, which is an error correction process, a discrimination process between a control signal including a program number, a page number and the like and an image signal And the like, and also performs program reservation processing. Reference numeral 8 is a reception buffer memory for storing the received data of one frame, 9 is an error correction circuit for performing error correction of the data stored in the reception buffer memory 8, and 10 is error corrected by the error correction circuit 9. Corrected data memory for storing data, 11 is a reserved memory for storing program numbers, page numbers and the like, 12 is image data to be taken out from the corrected data memory 10 and sequentially transmitted to the external facsimile 3. It is a transfer buffer memory for storing.

The facsimile broadcast receiving apparatus having such a configuration operates as follows.

When the facsimile broadcast is not received,
The external facsimile 3 is connected to the telephone line 5 so as to receive the facsimile transmission information from the telephone line.
When the facsimile broadcast is transmitted, the television signal in which the facsimile signal is multiplexed is received from the antenna 4, and the demodulation unit 6 demodulates the facsimile signal. The demodulated facsimile signal is taken in by the signal processing unit 7 and written in the reception buffer memory 8, and the error correction circuit 9
Then, error correction is performed and the corrected data is written in the corrected data memory 10. The signal processing unit 7 reads the error-corrected data, detects the program selection signal, extracts the program number and page number from the detected program selection signal, and compares them with the contents of the reserved memory 11. As a result of the comparison, if the program is reserved in advance, the external facsimile 3 is switched to the facsimile broadcasting side, the external facsimile 3 is started up, and the image signal is extracted and stored in the transfer buffer memory 12 to be externally installed. As soon as the facsimile 3 is ready to print, it is possible to match the data reception speed of the external facsimile 3
The image data stored in the transfer buffer 12 is sequentially transmitted.

On the other hand, as a result of the comparison, if the program is designated in advance to be stored in the extension memory 2, the image data is stored in the extension memory 2 without being transmitted to the external facsimile 3. Go

When the facsimile information from the telephone line 5 is received, if the received facsimile information is information designated to be stored in the extension memory 2 in advance, the image data is transmitted to the external facsimile 3. At the same time, the image data is stored in the expansion memory 2.

Since the expansion memory 2 is removable, it becomes possible to easily store necessary facsimile broadcast programs and facsimile information from the telephone line. Further, the expansion memory 2 in which image data of necessary information is written is connected to the facsimile broadcast receiving unit 1 when necessary,
By reading the data from the expansion memory 2 and transmitting the image data to the external facsimile 3, it is possible to print out the recording paper.

Next, the operation of the facsimile broadcast receiving apparatus having the above configuration will be described with reference to FIGS.
FIG. 2 is a flowchart of the program receiving process.

At the time of start-up, a program reception waiting state is set. When the reception of the facsimile broadcast is started, the process shifts to the process of FIG. In FIG. 2, in step n1, a program selection signal is detected from the received facsimile signal and the process proceeds to step n2. In step n2, the program number and page number are extracted from the detected program selection signal, and step n3 Move on to. At step n3, the program number and page number extracted from the program selection signal are compared with the contents of the reservation memory 11, and the process proceeds to step n4. At step n4, it is judged whether or not there is a reservation, and it is judged that no reservation is made. If so, the process is terminated and the image signal is not captured.

When it is determined in step n4 that the program is reserved, the process proceeds to step n5, in which it is determined whether or not the program is stored in the extension memory 2, and it is determined that the program is stored in the extension memory 2. Sometimes
The process moves to step n6, and in step n6, step n7
The image data is stored in the extension memory 2 until it is determined that the end signal is detected in.

If it is determined in step n5 that the program is not to be stored in the extended memory 2, that is, the program is to be printed out to the external facsimile 3, then step n is selected.
8, the external facsimile 3 is connected to the facsimile broadcasting side, and the process proceeds to step n9. In step n9, the external facsimile 3 is started up in accordance with the facsimile protocol procedure, and the process proceeds to step n10, where step n10
Then, the error-corrected pixel data is transferred to the external facsimile machine 3 via the transfer buffer 12 until the end signal is detected in step n11. When it is determined in step n11 that the end signal has been detected, the process proceeds to step n12, in which the external facsimile 3 is connected to the telephone line side, and the process ends.

On the other hand, FIG. 3 is a flow chart of the receiving processing operation of the facsimile information from the telephone line. When there is a facsimile transmission from the telephone line, the processing shifts to the processing of FIG. In FIG. 3, step n31 detects a calling signal and moves to step n32. In step n32, the external facsimile 3 is started up in accordance with the facsimile protocol procedure and it is determined whether the image data is stored in the extension memory 2. Information for extracting, for example, a telephone number, moves to step n33, and step n3
At 3, it is judged whether the received facsimile information is the information to be stored in the extended memory 2, and if it is judged that it is the program to be stored, the process proceeds to step n34, and at step n34, until the end signal is detected at step n35. The image data is stored in the extension memory 2 and the received image data is printed out by the external facsimile 3. If it is determined in step n35 that the end signal has been detected, the process ends.

When it is determined in step n33 that the program is not a program to be stored in the extension memory 2, the image data is printed out to the external facsimile 3 as usual.

FIG. 4 is a flowchart of a process of transferring the image data stored in the extension memory 2 to the external facsimile 3.

In FIG. 4, in step n20,
The program data written in the expansion memory 2 is fetched, and the process proceeds to step n21. In step n21, it is determined whether or not the program designated to be printed is stored. When it is determined that the program designated to be printed is not stored, In step n27, the message indicating that the designated program is not stored in the expansion memory 2 connected to the facsimile broadcast receiving unit 1 is displayed in the message in step n27, and the process is terminated.

If it is determined in step n21 that the program designated for printing is stored, step n
22. In step n22, the external facsimile 3
Is connected to the facsimile broadcasting side, and the process proceeds to step n23. At step n23, the external facsimile 3 is started up in accordance with the facsimile protocol procedure, and step n
24, in step n24, the image data written in the extension memory 2 is transferred to the external facsimile 3 until the end signal is detected in step n25.

When it is determined in step n25 that the end signal has been detected, the process proceeds to step n26, and in step n26, the external facsimile 3 is connected to the telephone line side and the process ends.

Although the program data stored in the extended memory 2 is not transferred to the external facsimile 3 here, the program stored in the extended memory 2 may be printed out.

Further, in the above-described embodiment, the facsimile broadcast receiving apparatus for multiplexing and transmitting on the terrestrial television radio wave is described as a preferred example of the present invention.
The present invention can also be applied to a receiver for a facsimile broadcast which is multiplexed with a radio wave of a satellite broadcast for transmission and a broadcast facsimile which is multiplexed with a radio wave of a communication satellite for transmission.

[0033]

As described above, according to the facsimile broadcast receiving apparatus of the present invention, not only the image data of the desired facsimile broadcast program can be stored in the removable expansion memory,
FAX image data from the telephone line can be stored, removed and saved, and an extended memory is connected when necessary to select the facsimile broadcast program data stored in the extended memory and the FAX data from the telephone line. Image data of desired information can be extracted and printed out.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of a facsimile broadcast receiving apparatus of the present invention.

FIG. 2 is a flow chart for explaining an operation at the time of receiving a facsimile broadcast program in the same embodiment.

FIG. 3 is a flowchart for explaining an operation when receiving facsimile information from a telephone line in the embodiment.

FIG. 4 is a flowchart for explaining an operation at the time of data transfer to an external facsimile in the embodiment.

FIG. 5 is a spectrum diagram of an audio frequency band in a television / facsimile broadcasting system.

FIG. 6 is a data configuration diagram of a facsimile signal in the broadcasting system.

FIG. 7 is a diagram showing a transmission order of one page of a facsimile signal in the broadcasting system.

[Explanation of symbols]

 2 Extended memory 3 External facsimile 5 Telephone line 6 Demodulation section 7 Signal processing section 8 Reception buffer memory 9 Error correction circuit 10 Corrected data memory 11 Reserved memory 12 Transfer buffer memory

Claims (2)

[Claims] 1. A demodulation means for demodulating a facsimile signal, a signal processing means for receiving the demodulated facsimile signal, a reception buffer memory capable of storing one frame of image data, and an error correction for the received data. An error correction circuit for performing the correction, a corrected data memory for storing the data corrected by the error correction circuit, a transfer buffer memory for sequentially transferring the image data after the error correction to an external facsimile, and a telephone facsimile as a recording device. An external facsimile connecting means for connecting the external facsimile, a line switching means for switching a signal connecting to the external facsimile between a telephone line and a facsimile broadcast, and an image signal extracted by the signal processing means to an external facsimile, In a facsimile broadcast receiving device provided with a recording means for printing out pixel data, Expansion memory expansion means for expanding an expansion memory capable of storing image data of a facsimile program designated by a facsimile broadcast and a facsimile signal from a telephone line, and a program stored in the expansion memory and a facsimile from a telephone line The storage information registration means for registering data, the expansion memory capacity determination means for automatically determining the capacity of the extended memory added, and the storage information registration means previously registered within the capacity determined by the capacity determination means. Image data storage means for storing program and facsimile image data from a telephone line in the extension memory, and image data of information desired to be printed is extracted from the image data stored in the extension memory and transmitted to an external facsimile. A print output means for printing out is provided, and the desired program and telephone line can be stored in the expansion memory. The facsimile broadcast receiving apparatus characterized in that it can store the facsimile data, read out the image data of the desired information from the expansion memory when desired, and print it out. 2. The facsimile broadcast according to claim 1, wherein the expansion memory is detachably attached to the expansion memory adding means, and the facsimile data stored in the expansion memory can be detached from the apparatus and stored. Receiver.