JPH05110738A - Adaptor type facsimile broadcast receiver - Google Patents

Abstract

PURPOSE:To devise the receiver to receive both a facsimile broadcast and a telephone-signal (facsimile signal) when the facsimile broadcast is received and to transfer data of a received facsimile broadcast to other facsimile equip ment not directly connected to the adaptor facsimile receiver through a telephone line. CONSTITUTION:In addition to a line terminal through which a facsimile broadcast or the like is received for print out, a terminal through which a telephone signal or a facsimile signal or the like is received is provided to the receiver and the receiver is provided with line changeover devices 12-15 to connect the line of the facsimile broadcast and the facsimile equipment and the telephone line and an external telephone signal (facsimile signal) during the reception of the facsimile broadcast. Moreover, in order to transfer the data of the facsimile broadcast through a telephone line, the receiver is provided with a dialing function and line changeover devices 12-16 to connect the line of the facsimile broadcast and the telephone line.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a facsimile channel with a second carrier wave in the audio frequency band of a television broadcast radio wave, which has been reported by the Telecommunications Technology Council, and uses the above-mentioned digitalized facsimile signal to provide a facsimile channel. It is used by connecting to a telephone facsimile in order to receive a facsimile broadcast signal which is transmitted by multiplexing the second sub-carrier wave of 4 phase differential phase modulation (4 phase DPSK) with a voice signal and transmitting it to a telephone facsimile. The present invention relates to an adapter type facsimile broadcasting receiver.

[0002] Further, an adapter type facsimile which is used by connecting to a telephone facsimile to receive facsimile information using a satellite broadcasting data channel and other facsimile information using a communication path other than a telephone line and print it out on the telephone facsimile. Broadcast receiver

[0003]

2. Description of the Related Art In recent years, there has been a facsimile broadcasting (digital system) system for transmitting documents, figures, photographs, etc., which are multiplexed with the current television broadcasting radio waves. The facsimile signal in this broadcasting system has the audio frequency of FIG. As can be seen from the spectrum of the band, the main audio channel,
A facsimile channel is mounted on the second subcarrier provided in a channel other than the subvoice channel for transmission.

A facsimile signal is basically composed of a control signal and an image signal other than the control signal. The control signal includes a network signal, a blank signal, a program selection signal, an end signal,
There is a program end signal. Here, the network signal is a signal for transmitting operational data between broadcasting stations related to the network, the blank signal is all zero data, and synchronization is established in the reception process, and recording after print output (image reception). This is a signal inserted to secure an operation time such as paper cutting. The program selection signal is a signal for transmitting information related to program selection such as a program number on the receiving device side. Further, when the reserved reception is performed by the standby reception by the program selection signal, the arrival of the reserved program can be detected.
The page end signal is a signal for indicating the end of the image signal for one page, and the program end signal is a signal for indicating the end of the image signal of the last page of the program.

Next, FIG. 3 shows a data transmission order for one page. When a facsimile broadcast program starts, the network signal comes first, and then the program selection signal for the first page comes. After that, when the image signal of the first page comes, when the end of the first page comes, the signal of the program end comes, but when the second and subsequent pages come, the page end signal comes, and then the program selection signal of the second page. Two
The image signal of the page comes. Then repeat in the same way,
After the image signal of the last page comes, the program end signal comes.

As one form of such a facsimile broadcasting receiving apparatus, there is an adapter type facsimile broadcasting receiving apparatus for connecting an adapter type facsimile broadcasting receiving apparatus to a telephone facsimile and printing and outputting to the telephone facsimile. The conventional adapter type facsimile broadcasting receiving device is connected to a telephone facsimile via a telephone line and a facsimile broadcasting signal via the adapter type facsimile broadcasting receiving device. In the adapter type facsimile broadcasting receiving device, a telephone line or a facsimile broadcasting signal is transmitted. You can switch the connection.

In the conventional adapter type facsimile broadcasting receiving apparatus of this type, the received facsimile broadcasting data can be transmitted only to the telephone facsimile connected directly.

Furthermore, Japanese Laid-Open Patent Publication No. 2-239767 proposes a facsimile receiving / sharing type facsimile receiving apparatus. This device is capable of switching between facsimile information obtained by receiving a facsimile broadcast and facsimile information obtained from a telephone line.

[0009]

In such a conventional facsimile broadcast receiving apparatus, the telephone facsimile is connected to the facsimile broadcasting line during the reception of the facsimile broadcasting, and a telephone call is received from the outside through the telephone line. I was not able to receive because the telephone line was not connected. Also, it was not possible to make a call outside while receiving a facsimile broadcast.

Further, the received facsimile broadcast data could not be transferred to another telephone facsimile which is not directly connected to the adapter type facsimile broadcast receiving device through the telephone line.

[0011]

According to the present invention, in order to solve the above-mentioned problems, an adapter type facsimile broadcast receiving apparatus receives a facsimile broadcast signal and directly connects to a facsimile to output a line terminal. It is equipped with a terminal for receiving a telephone (facsimile), and a line switching device for switching these line terminals, so that even if telephones (facsimile) are overlapped while receiving a facsimile broadcast, a telephone call can be made. It allows access from the line or to the telephone line.

Further, by connecting a facsimile broadcasting line and a telephone line, and attaching a dialing function and a line switching device, a facsimile received through a telephone line to another telephone facsimile not directly connected to the adapter type facsimile broadcasting receiving device. Broadcasts can be transferred.

[0013]

If the telephone or the facsimile data is sent from the telephone line during the reception of the facsimile broadcast, the telephone or the facsimile data can be received without interrupting the reception of the facsimile broadcast. Similarly, even while receiving a facsimile broadcast, it is possible to transmit telephone or facsimile data to the outside using an external telephone or a facsimile.

Further, the data of the facsimile broadcast received by the adapter type facsimile broadcast receiving device can be transferred to another facsimile not directly connected to the adapter type facsimile broadcast receiving device through the telephone line.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The adapter type facsimile broadcast receiving apparatus of the present invention will be described in detail below with reference to the embodiments shown in the drawings.

First, FIG. 4 shows the connection relationship of the external input / output terminals of the adapter type facsimile broadcast receiving apparatus according to one embodiment.

In FIG. 4, 1 is an adapter type facsimile broadcast receiving device, 2 is a G3 standard telephone facsimile, and 3 is a telephone facsimile.
Is an external telephone (including an external facsimile), and the outline of the operation of the adapter type facsimile broadcast receiving apparatus having the connection relationship shown in the drawing will be described below.

When the facsimile broadcast is not received,
In other words, in the standby state, the telephone line and telephone facsimile 2
Is connected, and the external telephone (facsimile) 3 and the line for facsimile broadcasting are disconnected. When receiving a facsimile broadcast, the telephone facsimile 2 is connected to the facsimile broadcasting line, and the telephone line is connected to the external telephone (facsimile) 3. If telephone or fax overlaps at this time, telephone line and external telephone (facsimile)
3 is connected, and it becomes possible to simultaneously receive a facsimile broadcast and a telephone call.

FIG. 1 is a block diagram of an embodiment of an adapter type facsimile broadcast receiving apparatus.

Broadcast facsimile decoder unit 4 for receiving television radio waves and extracting facsimile signals
A CPU 5 for controlling the whole, a data buffer 6 for storing the facsimile signal extracted by the facsimile decoder 4, a tone dial signal generation, CCIT
The modem 7 that modulates and demodulates a signal that conforms to the T standard (T4, T30) and the telephone line are supplying power, so that the telephone is set in the same state as if the telephone facsimile is connected to the telephone line. 16Hz at 75Vrms, which is necessary to supply power to the facsimile and activate the telephone facsimile
Power supply / ringer generator 8 that substitutes for the ringing
And an incoming call detecting unit 9 or 10 for detecting whether or not telephone or facsimile data is being received at each terminal.
And a keyboard 11 for performing an operation for selecting whether to print or transfer facsimile broadcast data, relays 12 to 15 constituting a line switch, and a relay 16 for pulse dial.

Next, the operation of the above embodiment will be described in detail with reference to the flowchart of FIG.

After the power-on reset, step 51 is entered to initialize the CPU 5, the modem 7, and the relays 12 to 15 constituting the line switching device. The initial setting of this line switch is to disconnect the line of the facsimile broadcasting and the line of the external telephone (facsimile) 3 and connect the telephone facsimile and the telephone line. That is, the line switcher switches the relay 12 to the terminal a side, the relay 13 to the terminal a side, and the relays 14 to 16 are not referred to as in the state (1) of Table 1. When the reception of the facsimile broadcast is started in step 52, it is determined in step 53 which facsimile is set to be printed out by the keyboard 11 in advance.

[0023]

[Table 1]

In the case of printing on a facsimile directly connected to the adapter type facsimile broadcast receiving apparatus, the process proceeds to step 54 and it is confirmed that the telephone facsimile is not used. The telephone line and the external telephone (facsimile) 3 are connected. That is, as shown in the state (2) of Table 1, the line switch has the relay 12 on the terminal b side, the relay 13 on the terminal b side, the relay 14 on the terminal a side, and the relay 15 on the terminal a side.
On the other hand, the relay 16 is switched such that it is not referred to. In step 56, after the telephone facsimile is activated with 16 Hz ringing, the data of the facsimile broadcast is sent to the modem 7 by the CPU 5 according to the facsimile communication protocol, and the power supply / ringer generator 8 supplies the power to the telephone facsimile. To be done. At this time, the telephone or facsimile data received through the telephone line is connected to the external telephone (facsimile) 3.

In step 57, the incoming call detecting section 10 confirms whether or not the external telephone (facsimile) 3 is receiving after the transmission is completed, and after the completion of the telephone reception, the initial setting is returned to the standby state.

In the case of transfer, whether or not to transfer in advance is set by the keyboard 11 in step 53, and if the data is not printed on the facsimile directly connected to the adapter type facsimile broadcast receiving apparatus, the process proceeds to step 58 and the facsimile broadcast is performed. When transferring the data of No. 3, it is judged at step 59 whether or not the facsimile directly connected to the adapter type facsimile broadcasting receiving apparatus is receiving,
After confirming that the telephone line is not used, in step 60 the facsimile broadcasting and the telephone line are connected, and the line between the telephone facsimile and the external telephone (facsimile) 3 is disconnected. In other words, the line switching device has the relay 12 on the terminal b side, the relay 13 on the terminal b side, and the relay 14 as shown in the state (3) of Table 1.
Does not matter, relay 15 is on terminal b side, relay 16 is on
And so on. In step 61, the modem 7
Alternatively, by turning the switch on and off with the relay 16, a pulse is generated and dialed, and then step 6
The data of the facsimile broadcast received in 2 is transferred to another facsimile not directly connected to the adapter type facsimile broadcast receiving apparatus through the telephone line according to the facsimile communication protocol. After the completion, the line is switched to the initial state and put in the standby state.

The present invention is not limited to facsimile broadcasting,
Facsimile broadcasting using satellite data channels,
The present invention can be applied to an adapter type facsimile broadcasting receiving device that receives facsimile information using a transmission line other than a telephone line.

[0028]

According to the present invention, when a telephone call is received from the outside while the adapter type facsimile broadcast receiving apparatus is receiving the facsimile broadcast, the telephone or facsimile is received or transmitted without interrupting or ignoring the facsimile broadcast. can do.

Further, the received facsimile broadcast data can be transferred through a telephone line to a telephone facsimile not directly connected to the adapter type facsimile broadcast receiving apparatus.

[Brief description of drawings]

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

FIG. 2 is a diagram showing a spectrum of an audio frequency band in a facsimile signal broadcasting system.

FIG. 3 is a diagram showing a transmission order of one page of a facsimile signal in the broadcasting system.

FIG. 4 is a block diagram showing a connection relationship between the adapter type facsimile broadcast receiving apparatus of the present invention and its peripheral devices.

FIG. 5 is a flowchart for explaining the operation of an embodiment of the adapter type facsimile broadcast receiving apparatus of the present invention.

[Explanation of symbols]

 1 Adapter Type Facsimile Broadcast Receiver 2 Telephone Facsimile 3 External Telephone (Facsimile) 4 Broadcast Facsimile Decoder 5 CPU 6 Data Buffer 7 Modem 8 Power Generation / Ringer Generation 9 Incoming Detection 10 Incoming Detection 11 Keyboard 12-15 Line switch 16 Relay for pulse dial

Claims (4)

[Claims] 1. A facsimile broadcast signal transmitted by utilizing a gap between audio signals of a television broadcast is received,
In addition to the line terminal for receiving a facsimile broadcast signal and directly connecting to a facsimile for print output, a telephone (facsimile) is used in an adapter type facsimile broadcast receiver used by connecting to a facsimile for print output.
A line switch for switching between these line terminals is also provided to enable access to or from the telephone line even when telephones (facsimile) overlap while receiving a facsimile broadcast. Characteristic adapter type facsimile broadcasting receiver. 2. The facsimile broadcasting receiving apparatus according to claim 1, wherein the facsimile broadcasting line and the telephone line are connected, and a dialing function and a line switch are provided to directly connect with the adapter type facsimile broadcasting receiving device. An adapter type facsimile broadcast receiving device characterized by being able to transfer a facsimile broadcast received through a telephone line to another telephone facsimile which is not provided. 3. The adapter type according to claim 1, wherein facsimile information using a satellite broadcasting data channel or other facsimile information using a communication path other than a telephone line can be received and printed on the facsimile. Facsimile broadcasting receiver. 4. The adapter type according to claim 2, wherein facsimile information using a satellite broadcasting data channel or other facsimile information using a communication path other than a telephone line can be received and printed on the facsimile. Facsimile broadcasting receiver.