JP2598734B2 - Facsimile reception control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reception control device for selecting a reception signal for a facsimile apparatus.

[0002]

2. Description of the Related Art Conventionally, a facsimile reception control device as shown in FIG. 2 has been known. The facsimile reception control device includes a first switch circuit 32 connected to an input terminal of the facsimile device 31 and having a permanent connection terminal and a priority connection terminal;
And a detection control circuit 34 connected to the first switch circuit 32 and the facsimile device 31 for detecting the start and stop of the facsimile device 31.
A DC superimposing circuit 35 connected to the input terminal of the detection control circuit 34 for superimposing a DC current on the image signal; and a second switch circuit 36 connected to the input terminal of the DC superimposition circuit 35 and the detection control circuit 34 And a start-up power supply circuit 37 connected to a first terminal of the second switch circuit 36.
And a receiving demodulator 39 connected between the second switch circuit 36 and the wireless receiving device 38 for receiving and demodulating an image signal from the wireless receiving device 38, and receiving by the receiving demodulator 39. The signal is detected as a reception start start signal preceding the image signal, and a switching signal is given to the first switch circuit 32 so as to be connected to the priority connection terminal, and a start start signal is given to the start-up power supply circuit 37. And a start control circuit 40 for activating. The detection control circuit 34
Detects the start and stop of the facsimile machine 31 and controls the first switch circuit 32 and the second switch circuit 36.

[0003] This conventional facsimile reception control device is composed of:
When the wireless receiving device 38 receives the reception start signal, the facsimile device 31 is connected to the priority connection terminal of the first switch circuit 32 and the image signal received by the wireless receiving device 38 is given to the facsimile device 31 with priority. .

[0004]

However, in the conventional facsimile reception control apparatus, when the facsimile apparatus does not start up between the time when the reception start signal is received and the time when the image signal is received, and when the image signal is received. However, if the facsimile apparatus is stopped due to an abnormality during the operation, there is a problem that an image signal cannot be received.

It is an object of the present invention to send an image signal to a facsimile apparatus after the facsimile apparatus has returned to a normal operation when the facsimile apparatus has not been activated and when the facsimile apparatus has stopped abnormally while receiving an image signal. It is an object of the present invention to provide a facsimile reception control device which can perform the following.

[0006]

According to the present invention, there is provided a switch circuit connected to an input terminal of a facsimile apparatus and having a permanent connection terminal and a priority connection terminal, and an image signal connected to the constant connection terminal of the switch circuit. A constantly connected line to be input, a connection control circuit connected to the switch circuit, a start-up power supply circuit connected to the connection control circuit for supplying a start-up signal to the facsimile apparatus, the connection control circuit and the wireless A receiving demodulator connected to a receiving device for receiving and demodulating an image signal from the wireless receiving device, an image signal storing unit for temporarily storing an image signal from the receiving demodulator, and the image signal storing unit A modulator that modulates an image signal from the receiver and supplies the resulting signal to the connection control circuit, and a receiver that starts the reception start signal preceding the image signal received by the demodulator for reception. A start control circuit that supplies a switching signal to the switch circuit to connect the facsimile apparatus to a priority connection terminal of the switch circuit, and that supplies a start start signal to the start-up power supply circuit to start the circuit. The control circuit provides a start start signal from the start-up power supply circuit to the facsimile apparatus via the switch circuit,
The image signal from the demodulator for reception is provided to the facsimile apparatus through the switch circuit when receiving a start signal indicating that the facsimile apparatus is started from the facsimile apparatus, and when the start signal is not received from the facsimile apparatus and When receiving a stop signal indicating that the facsimile apparatus has stopped while receiving the image signal from the receiving demodulator, the facsimile apparatus is connected to a constant connection terminal of the switch circuit, and thereafter, the facsimile apparatus is connected. A facsimile reception control device is provided, which receives an image signal from the image signal storage means to the facsimile device via the switch circuit when receiving a return signal indicating that the operation of the device has been recovered.

[0007]

Next, an embodiment of the present invention will be described in detail with reference to the drawings.

In FIG. 1, reference numeral 1 denotes a facsimile machine. The input terminals of the facsimile machine 1 include:
The first switch circuit 2 is connected. The first switch circuit 2 includes a constant connection terminal 2a and a priority connection terminal 2b.
And an operation piece 2c arranged so as to be able to contact them. The constant connection terminal 2 of the first switch circuit 2
The constant connection line 3 is connected to a. An image signal is supplied to the facsimile machine 1 via the constant connection line 3 and the first switch circuit 2. A detection control circuit 4 is connected to the priority connection terminal of the first switch circuit 2 and the facsimile machine 1. An input terminal of the detection control circuit 4 is connected to a DC superimposing circuit 5 for superimposing a direct current. The input terminals of the DC superimposing circuit 5 include:
The second switch circuit 6 is connected. The second switch circuit 6 includes a constant connection terminal 6a and a priority connection terminal 6b.
And an operation piece 6c arranged so as to be able to contact them. The constant connection terminal 6 of the second switch circuit 6
The power supply circuit 7 for starting is connected to a. The start-up power supply circuit 7 is for supplying a start-up signal to the facsimile machine 1.

[0009] A receiving demodulator 9 is connected to the radio receiving device 8. The receiving demodulator 9 receives and demodulates an image signal from the wireless receiving device 8. An image signal storage means 10 and a third switch circuit 11 are connected to an output terminal of the receiving demodulator 9. The third switch circuit 11 includes a first connection terminal 11a and a second connection terminal 11a.
b and an operation piece 11c arranged so as to be able to contact them. The third switch circuit 11 is connected to the second switch circuit 6. The image signal storage means 10 temporarily stores the image signal from the receiving demodulator 9. This image signal storage means 10 and the third
A modulator 12 is connected between the switch circuit 11 and the first connection terminal 11a. This modulator 12
The image signal from the image signal storage means 10 is modulated and applied to the third switch circuit 11.

A start control circuit 13 is connected to an output terminal of the receiving demodulator 9. The output terminal of the start control circuit 13 is connected to the start-up power supply circuit 7 and the first switch circuit 2. The start control circuit 13 detects a reception start start signal preceding the image signal received by the reception demodulator 9 and supplies a switching signal to the first switch circuit 2 to switch the facsimile apparatus 1 to the first switch. The power supply circuit 7 is connected to the priority connection terminal 2b of the circuit 2 and is activated by giving an activation start signal to the activation power supply circuit 7.

A start-up start signal from the start-up power supply circuit 7 is given to the facsimile apparatus 31 via the second switch circuit 6, a DC superposition circuit, and the detection control circuit 4. When the detection control circuit 4 receives a start signal from the facsimile machine 1 indicating that it has been started,
The operation piece 6c of the second switch circuit 6 is connected to the priority connection terminal 6b.
And the operating piece 11 of the third switch circuit 11
c is in contact with the second connection terminal 11b, so that the image signal from the demodulator 9 for reception is transmitted to the third switch circuit 1
1, a second switch circuit 6, a DC superposition circuit 5, a detection control circuit 4, and a first switch circuit 2, which are provided to the facsimile apparatus 1.

The detection control circuit 4 receives a stop signal indicating that the facsimile apparatus 1 has stopped when receiving no start signal from the facsimile apparatus 1 and when receiving an image signal from the receiving demodulator 9. If
The operation piece 2c of the first switch circuit 2 is always connected to the connection terminal 2a.
To connect the facsimile machine 1 to the constant connection line 3 and to contact the operating piece 6c of the second switch circuit 6 with the constant connection terminal 6a to connect the third switch circuit 1
1 operating piece 11c is brought into contact with the first connection terminal 11a, and then, when receiving a return signal indicating that the operation of the facsimile apparatus 1 has returned to normal, the operating piece of the first switch circuit 2 2c is brought into contact with the priority connection terminal 2a, and the operating piece 6c of the second switch circuit 6 is brought into contact with the priority connection terminal 6a so that the image signal from the image signal storage means 10 is transmitted to the modulator 12 and the third switch circuit 11. , A second switch circuit 6, a DC superposition circuit 5, a detection control circuit 4, and a first switch circuit 2 to the facsimile apparatus 1.

[0013]

According to the present invention, an image signal is sent to a facsimile apparatus after the facsimile apparatus has returned to a normal operation when the facsimile apparatus has not been activated and when the facsimile apparatus has stopped abnormally while receiving an image signal. Can be.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of the present invention.

FIG. 2 is a block diagram showing a conventional facsimile reception control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Facsimile apparatus 2 1st switch circuit 3 Always-on line 4 Detection control circuit 6 2nd switch circuit 7 Start-up power supply circuit 8 Wireless receiver 9 Reception demodulator 10 Image signal storage means 11 3rd switch circuit 12 Modulation 13 Start control circuit

Claims (1)

(57) [Claims] 1. A switch circuit connected to an input terminal of a facsimile apparatus and having a constant connection terminal and a priority connection terminal; a constant connection line connected to a constant connection terminal of the switch circuit and receiving an image signal; A connection control circuit connected to the circuit, a start-up power supply circuit connected to the connection control circuit for supplying a start-up signal to the facsimile apparatus, and a connection control circuit and a radio reception apparatus connected to the radio reception apparatus. A receiving demodulator that receives and demodulates the image signal, an image signal storage unit that temporarily stores the image signal from the receiving demodulator, and a connection unit that modulates the image signal from the image signal storage unit. A modulator to be provided to a control circuit, and a reception start start signal preceding an image signal received by the reception demodulator is detected and a switching signal is provided to the switch circuit to provide a switching signal. A start control circuit that connects the facsimile device to the priority connection terminal of the switch circuit, and that starts by giving a start start signal to the start-up power supply circuit, wherein the connection control circuit is An activation start signal is supplied to the facsimile apparatus via the switch circuit, and when an activation signal indicating that the facsimile apparatus is activated is received from the facsimile apparatus, an image signal from the receiving demodulator is transmitted through the switch circuit. Giving the facsimile apparatus, when receiving no start signal from the facsimile apparatus and when receiving a stop signal indicating that the facsimile apparatus has stopped while receiving an image signal from the receiving demodulator, the facsimile apparatus Connecting the constant connection terminal of the switch circuit, and thereafter operating the facsimile apparatus Facsimile reception control device characterized by providing an image signal from the image signal storing means in said facsimile apparatus via said switch circuit when receiving a return signal indicating that return was.