JPS62281667A - Method and device for telephone call in facsimill communication - Google Patents

Abstract

PURPOSE:To attain a communication with a remote side just through a hook-off state both in a calling mode and a called mode with a remote side, by detecting a signal showing a hook state. CONSTITUTION:A control part 18 transmits a deformed EOM signal in place of an EOM signal in a facsimile communication mode owing to a fact that a telephone set 11 is hooked off before the transmission timing of the message end signal at a calling side. While the telephone set 11 is hooked off before the transmission timing of the message confirm tion signal at the terminating side, the deformed MCF signal is transmitted in place of the MCF signal. Furthermore the control part 18 of a terminal that received the modified EOM or MCF signal holds a circuit 13 at a transmission/reception circuit 12 for the prescribed period of time even after the end of the facsimile communication. The telephone call is continued while the circuit 13 is held and then discontinued when the hook-off signal is outputted to the part 18 from the telephone set 11. At the same time, the circuit 13 is switched to the telephone set 11 from the circuit 12.

Description

[Detailed Description of the Invention] 3. Detailed Description of the Invention Industrial Field of Application The present invention automatically starts a facsimile reception operation upon receiving a telephone call signal, and then very easily calls the other party by telephone. The present invention relates to a telephone calling method and device for facsimile communication that allows for telephone calls.

Conventional technology Conventionally, when this type of device receives a telephone ringing signal, it automatically starts facsimile operation (receiving or transmitting) within a short period of time when the ringing ring may or may not ring, so telephone calls are not normally used. There wasn't. Therefore, the calling party did not expect the other party to accept the call from the beginning, and after hearing a response signal from the called party, often pressed the start button of the Facun Milli, hooked on, and left the place. This is usually done because there is little need to talk after facsimile communication, but also because it is not possible to talk to the person on the other end of facsimile communication even if one wanted to do so.

FIG. 3 is a block diagram showing an example of a conventional facsimile machine equipped with such a device. This facsimile device includes a control section 1 that controls each circuit of the device, and a control section 1 that controls each circuit of the device.
a line switching circuit 3 that switches and connects the telephone 2 and the telephone 2 to the line; a ringing signal detection circuit 4 that is connected to the telephone 2 side of the line switching circuit 3 and receives a telephone call; It includes a loop detection circuit 5 connected to the line side to detect the line connection state, and a buzzer 6 connected to the control unit 1 to notify the input/output state of signals.

In this device, the line is connected to the telephone set 2 through the line switching circuit 3 during a call state. In this state, you can talk if you are hooked off. However, during facsimile communication, the line is connected to control unit 1, and telephone 2 is disconnected from the line, so when the line is switched to telephone 2 after facsimile communication, telephone 2 is in a hook-on state and immediately releases the DC loop. Because the line would be disconnected, it was not possible to make a call after sending a fax using the method described above.

As a countermeasure for this, facsimile machines are equipped with a telephone call button on the main body of the facsimile machine, which is hooked off during facsimile communication, and when the button is pressed, this notification is sent to the other party according to the facsimile communication procedure, after which the other party makes a telephone call for a certain period of time. A possible device is such that a call is made, the other party's telephone is hooked off before timeout, and then the telephone call button is pressed to switch the line to the telephone and make a call.

Problems to be Solved by the Invention However, such a facsimile machine has the problem that it is necessary to provide a telephone call button on the operation panel, making the device complicated. This problem arises for the following reasons. That is, when the line is connected to the facsimile side, the telephone is disconnected from the line, and the telephone is hooked off.

Since the fax/millimeter control unit cannot recognize whether or not the fax is being sent, some means, such as a telephone call button, must be added to the facsimile machine to instruct the fax machine to switch the line from the 7mm control unit to the telephone. , the above-mentioned problem arises because of the attempt to take such measures.

The present invention has been made in view of the above-mentioned problems, and provides a telephone calling system using a facsimile machine that allows you to talk to the other party by simply hooking up when you want to call the other party or when the other party calls you. The object of the present invention is to provide a method and an apparatus thereof.

Means for Solving the Problems In order to achieve the above object, the present invention includes a telephone that detects a signal indicating a hook state, a line switching circuit that switches and connects the telephone and a control section of a facsimile machine to a line. , a ringing signal detection circuit that detects a ringing signal from a calling terminal in a state where the line and the telephone are connected via a line switching circuit; a telephone ringing notification circuit that notifies the ringing signal as it is detected; and a control section that controls each of the circuits.

During facsimile communication, the calling side is hooked off before the message end signal (EOM signal) is sent, so it sends a modified EOM signal instead of the EOM signal, and the called side sends a modified EOM signal instead of the EOM signal. Message confirmation signal (
By being hooked off before the transmission timing of the MCF signal, a modified MCF signal is transmitted in place of the MCF signal. The terminal that receives the modified EOM signal or modified MCF signal holds the line on the 7-ac 7-mm side for a predetermined period of time even after the facsimile communication procedure is completed, continues to make telephone calls during this hold, and then sends a hook-off signal from the telephone. When output to the control unit, the telephone call is stopped and the line is switched from the facsimile side to the telephone side.

Embodiment FIG. 1 is a block diagram showing a facsimile machine equipped with a telephone calling device for facsimile communication according to an embodiment of the present invention. This facsimile device is a telephone 11
and the transmitting/receiving circuit 12 of the facsimile machine and the telephone line 13.
a line switching circuit 14 that switches the connection to the telephone line 13 and the telephone set 11, and a ringing signal detection circuit 15 that detects the ringing signal sent from the calling terminal when the telephone line 13 and the telephone 11 are connected.
a telephone call notification circuit 16 that notifies you when a predetermined signal is input from the other party; and a control signal detection circuit that detects a control signal sent from the calling terminal regardless of the operating state of the line switching circuit 14. 17, a telephone 11, a calling signal detection circuit 15, a control signal detection circuit 17, and a transmitting/receiving circuit 1
2, and the telephone 11 is configured to output a hook-off signal to the control section 18. During facsimile communication, the control unit 18 sends out a modified EOM signal in place of the EOM signal if the telephone 11 on the calling side is hooked off before the sending timing of the message end signal (EOM signal), and also, On the called side, the telephone 11 is hooked off before the message confirmation signal (MCF signal) is sent, so the MC
A modified MCF signal is sent instead of the F signal.

Furthermore, the control unit 18 of the terminal that has received the modified EOM signal or the modified MCF signal holds the line 13 in the transmitting/receiving circuit 12 for a predetermined time even after the end of the facsimile communication, and during this holding period,
The phone continues to make calls and the hook-off signal is sent to phone 1.
1 to the control unit 18, the telephone call is stopped,
Moreover, the line 13 is switched from the transmitting/receiving circuit 12 to the telephone 11 side.

In this embodiment, the modified EOM signal is a signal with the same frequency as the normal EOM signal and a slightly longer duration, but proper facsimile communication is possible even when communicating with a device that does not have the functions of the present invention. Normal EOM as done
It may be a signal that has the same frequency as the signal, and is once made silent and then sent again after a predetermined time has elapsed, or it may be a signal that has the same frequency as the normal E, OM signal and then sends out a different frequency for a predetermined time. It may be a signal configured as follows. In facsimile communication, when an EOM signal is received, the MC
Proper communication can be performed if the length is set to such an extent that the F signal can be detected. Note that the modified MCF signal is configured in the same manner as the modified FJOM signal.

The control signal detection circuit 17 is connected to the telephone 1 of the line switching circuit 14.
Signals are input from both the 1 side and the transmitting/receiving circuit 12 side, so that a facsimile activation signal issued by the other party's terminal can be received even during a call.

The ringing signal detection circuit 15 is designed to detect when the other party's telephone is hooked off and a telephone call is made. Note that the telephone call notification circuit 16 notifies the telephone call accompanying this detection.

The operation of the facsimile machine configured as described above will be explained based on the signal transmission procedure diagram in FIG.

When the facsimile is on standby, the line 13 is switched to the line switching circuit 14.
is connected to the telephone 11 side. Figure 2 (al) shows the procedure for making a call from the called terminal that is automatically receiving the call.Normally, the called device first receives a facsimile activation signal from the calling party, and then A response signal in response to this is sent to the calling party.The calling party receives this response signal, switches the line to the facsimile side, and proceeds with the facsimile communication.When performing facsimile communication in this way, the called party When you want to make a call, the telephone is hooked off.When the control unit 18 finishes transmitting the image signal, the control unit 18 sends the above-described modified EOM signal in place of the normal EOM signal in accordance with the hook-off signal transmitted by the telephone 11.
Sends OM signal.

When this modified EOM signal is detected on the called side, if the called side telephone 11 is hooked on, it sends out a normal MCF signal, and at the same time starts a timer with a predetermined time limit set. The calling side call notification circuit 16 is activated via the control unit 18 to call a person. At this time, the line switching circuit 14 still connects the line 13 to the transmitting/receiving circuit 12.
The line 13 is on hold because it is connected to. Furthermore, since the calling terminal is hooked off, the line 13 is switched to the telephone 11 side after the MCF signal is detected. While the called party is being called in this manner, the transmitting/receiving circuit 12 of the calling party may play, for example, a synthesized voice or a music box sound to make it clear that a telephone call is being made.

The called side constantly monitors whether or not the telephone set 11 is hooked off while the call notification circuit 16 is making a telephone call.

At this stage, when the hook-off occurs, the control unit 18 stops the call in the call notification circuit 16 and the line switching circuit 1
4, the line 13 is switched and connected to the telephone set 11. This allows the person on the calling side to communicate with the person on the called side.

Further, if the calling side starts the facsimile and then hooks on, a normal EOM signal is sent out at the end of the image signal, and the called side detects this signal with the control signal detection circuit 17. At this time, if the called party is also hook-on,
A normal MCF signal is returned and the line 13 is immediately returned to the telephone 11 side, and the line 13 is opened. However, as shown in FIG. 2 (bl), if you want to call the calling party while the called party is receiving a call, you can hook off the telephone 11. If so, the control unit 18 on the called side detects the EOM signal and sends the MC
When transmitting the F signal, it is checked whether or not the hook-off signal of the telephone 11 is being input, and if the hook-off signal is being input, the modified MCF signal configured as described above is transmitted. For the hooked-on caller, this variant M
When the CF signal is received, the call notification circuit 16 is activated to make a telephone call in the same manner as when the modified EOM signal is received. If the telephone 11 on the calling side is hooked off during this telephone call, the control section 18 detects this, stops the operation of the call notification circuit 16, and returns the line 13 to the telephone 11 side to enable the telephone conversation.

Furthermore, if the calling and called side valves are set to the hook-off state from the beginning, the call can be made immediately after the communication ends. On the other hand, if the other party's terminal does not hook-off even after waiting for timeout t, the telephone call stops at that point and the line 13 returns to the telephone set 11.

In this embodiment, the control signal detection circuit 17 is connected to the line 13.
Regardless of the connection status (telephone IX side, transmitting/receiving circuit 1
The system is configured so that a control signal is input (regardless of the connection status of the 2nd party), and the input of facsimile control signals is monitored and controlled even during a call, so when this signal is sent to the other party, the call is terminated. It is possible to switch to facsimile communication even in the middle of the day.

Effects of the Invention As is clear from the above explanation, when it is desired to call the other party, a hook-off detection signal is input to the facsimile control unit, and upon detection, the hook-off detection signal is detected and transformed into the EOM signal and MCF signal. EOM signal or modified M
A CF signal is sent, the other party detects the signal, and announces a telephone call while the line is held on the facsimile side.
When the terminal on the called side is hooked off, the hookoff is detected and the line is returned to the telephone side, so that a call can be made by simply hooking off without providing a telephone call button on the control unit.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing a facsimile machine equipped with a telephone calling device for facsimile communication according to an embodiment of the present invention, and FIG. FIG. 2(b) is a signal transmission procedure diagram showing the case of calling the calling party in the same embodiment; FIG. 3 is a block diagram showing an example of the conventional Fakunmi') device. 0 11...Telephone, 12...Transmitting/receiving circuit, 13...
Line, 14... Line switching circuit, 15... Call signal detection circuit, 16... Call notification circuit. Name of agent: Patent attorney Toshio Nakao and one other person Figure 1 Figure 2

Claims (2)

[Claims] (1) During facsimile communication using a facsimile device equipped with a telephone that outputs a signal indicating the hook state to the control unit,
On the calling side, EO is detected because the caller is hooked off before the end of message signal (EOM signal) is sent.
A modified EOM signal is sent instead of the M signal, and since the called side is hooked off before the message confirmation signal (MCF signal) is sent, a modified MCF signal is sent instead of the MCF signal. The terminal that has received the modified EOM signal or modified MCF signal holds the line on the facsimile side for a predetermined period of time even after the facsimile communication procedure is completed, continues to make telephone calls using the telephone call notification means during this hold, and a signal indicating hook-off is sent to the telephone. 1. A telephone calling method for facsimile communication, characterized in that the telephone call is stopped when an output is output from the facsimile, and the line is switched from the facsimile side to the telephone side. (2) A telephone that outputs a signal indicating a hook state, a line switching means that switches and connects this telephone and a facsimile device to a line, and a call notification that notifies the content of this signal in response to a signal from the other party's terminal. What is claimed is: 1. A telephone calling device for facsimile communication, comprising: a control section that inputs a signal sent from the telephone and controls a line switching means and a call notification means.