JPH07177253A - Telephone with simulated data reception function - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent a continuous error call from a facsimile machine with redial function. [Structure] The subscriber line 11 is connected to a telephone circuit 13 and a facsimile receiving modem 18 via telephone and facsimile hook switches 17 and 21. Upon receiving the facsimile signal, the receiver turns on the facsimile reception start switch 20. This causes the controller 19 to instruct the facsimile reception modem 18 to start the facsimile pseudo reception. Further, the controller 19 brings the facsimile hook switch 21 into conduction to continue the facsimile pseudo reception even when the receiver goes on hook. When the facsimile reception is completed in this way, the controller 19 switches the facsimile hook switch.
21 is turned off and the line is disconnected. Since the facsimile reception is completed, it is possible to prevent the facsimile apparatus of the transmission source from redialing.

Description

Detailed Description of the Invention

[Object of the Invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone with a pseudo data receiving function for preventing a wrong telephone call from a facsimile machine.

[0002]

2. Description of the Related Art In recent years, the spread of facsimile machines has been remarkable, and they have come to be used in general households. The facsimile machine is connected to a public telephone line and used like a general telephone. The telephone is used for voice communication, and the facsimile is used for image communication.

FIG. 7 is a block diagram for explaining an outline of facsimile communication.

It is assumed that desired information is transmitted from the facsimile machine 1 to the facsimile machine 2. In this case, for example, after setting the transmission paper in the facsimile device 1, the dial is operated to input the line number (subscriber number) given to the facsimile device 2. The facsimile device 1 transmits a dial signal based on the input line number to the public line switch 4 via the subscriber line 5 and the public line 3. The public line switch 4 is a facsimile machine 1
The connection request is detected and the required line is selected, and then a calling signal is transmitted to the facsimile apparatus 2 via the public line 3 and the subscriber line 6.

The facsimile device 2 receives and responds to the calling signal. The public line switch 4 which has detected the reception response of the facsimile device 2 connects the subscriber line 5 of the facsimile device 1 and the subscriber line 6 of the facsimile device 2 via the public line 3. As a result, the line is opened, and the facsimile device 1 and the facsimile device 2 to which the subscriber lines 5 and 6 are connected communicate with each other according to a predetermined communication procedure. The facsimile device 1 sends the image information of the set transmission paper to the 2
It is converted into a facsimile signal which is value information and transmitted to the facsimile apparatus 2. The facsimile device 2 prints the received content (image information) on a prepared sheet, for example. When the desired communication is completed, the public line switch 4 is connected to the subscriber line 5,
6 and the public line 3 are opened.

Here, it is assumed that the facsimile apparatus 1 cannot start communication according to a predetermined communication procedure. Then, the facsimile apparatus 1 disconnects the line once, and after a predetermined time, retransmits the dial signal based on the input line number. In this case, redial is repeated until the transmission is normally completed or a predetermined number of times. In recent years, facsimile machines having this redial function have become widespread.

By the way, the subscriber line is not distinguished between a facsimile machine and a general telephone. Further, the line number is set for each subscriber line, and it is not possible to distinguish the facsimile device from a general telephone by the line number. Therefore, the telephone can be called by dialing the line number of the subscriber line to which the telephone is connected by the facsimile machine.

However, in this case, even if the receiver of the called telephone is picked up, only the transmission signal from the facsimile machine modulated in the voice band can be heard.
On the other hand, the facsimile machine side tries to confirm that a signal indicating that the receiving side device is connected to the non-telephone device is transmitted. On the other hand, when the receiver recognizes that the transmitting side is a facsimile machine, he / she sets the receiver and unilaterally disconnects the line. Then, since the transmission is not normally completed, the facsimile apparatus on the transmission side calls the same telephone again by the redial function. Then, the above-described operation is repeated. In this case, it is not possible to indicate to the transmitting side that the call is a wrong call by voice using the transmitter of the receiving side. That is, the redial function of the facsimile machine causes a problem that the receiving side suffers from an erroneous call many times every predetermined time.

[0009]

As described above, conventionally, when the user of the facsimile apparatus mistakenly inputs the line number given to a predetermined telephone by, for example, the dial operation, the receiving side uses the redial function. There is a problem that a call is made by mistake by the telephone every predetermined time.

SUMMARY OF THE INVENTION An object of the present invention is to provide a telephone with a pseudo data receiving function, which is capable of preventing a continuous call by a wrong telephone from a facsimile machine with a redial function.

[Constitution of Invention]

A telephone with a pseudo data receiving function according to the present invention includes a call means for opening and closing a line in response to a calling signal from the telephone line, and a call means for transmitting and receiving the telephone line. Reception response means for receiving a response to a predetermined signal, instruction means for instructing the start of operation of the reception response means, and reception response maintaining means for maintaining the open state of the line until the reception of the predetermined signal is completed. Further, a detection means for detecting that the signal from the telephone line is a predetermined signal is provided, and the start of the operation of the reception response means is instructed according to the detection result of the detection means. An opening means for opening the line in response to a calling signal from the telephone line, which is adapted to automatically receive the predetermined signal by the indicating means,
Reception response means for making a reception response to a predetermined signal from the telephone line, detection means for detecting that the signal from the telephone line is a predetermined signal, and the telephone line based on the detection result of the detection means. If it is indicated that the signal from is a predetermined signal, it is instructed to start the operation of the reception response means, and if it is indicated that the signal is not the predetermined signal, a communication means that enables transmission and reception. And a reception response maintaining means for maintaining an open state of the line until the reception of the predetermined signal is completed.

[0012]

In the present invention, when a predetermined signal is input via the telephone line, the reception response means is instructed by the instruction means to start the reception response to the predetermined signal from the telephone line. The reception response maintaining means keeps the line open and normally terminates the reception response by the reception response means. This prevents the transmission device that has transmitted the predetermined signal from redialing.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing an embodiment of a telephone with a data pseudo reception function according to the present invention.

One end of the subscriber line 11 is connected to a public line (not shown) via the terminal 10. The other end of the subscriber line 11 is connected to a telephone circuit 13 via an impedance matching device 12 that determines the impedance of the telephone when on-hook. Impedance matching device 12 has an impedance set so that an apparent off-hook state does not occur due to a ringing signal current when on-hook. Also, the subscriber line 11
Also connects to the telephone circuit 13 via the telephone hookswitch 17.

A ringer 14, a dialer 15 and a handset 16 are connected to the telephone circuit 13, and the telephone circuit 13 wraps around a diode bridge circuit (not shown) and the handset 16 from a handset (not shown) to the handset. It is configured by a soundproof side sound circuit for suppressing the noise. The ringer 14 detects a ringing signal (ringer signal) from the station and sounds an incoming bell sound. The dialer 15 has a rotary dial or push button dial (not shown), and generates a dial signal based on the dial operation of the user's line number. The handset 16 has a handset and a handset, which are not shown, and the handset converts the voice input into a handset voice signal and gives it to the telephone circuit 13.
The handset detects the voltage level of the received voice signal from the telephone circuit 13 and outputs the voice. When the handset 16 is on-hook, the telephone hook switch 17 is in a non-conductive state, and when it is off-hook, the telephone hook switch 17 is in a conductive state.

In the present embodiment, the subscriber line 11 is connected to the facsimile receiving modem 18 via the impedance matching device 12.
It is also designed to connect to. Further, the subscriber line 11 is connected to the facsimile reception modem 18 via the facsimile hook switch 21. When the facsimile signal is input via the subscriber line 11, the facsimile reception modem 18 receives the facsimile signal according to the transmission protocol of the facsimile signal.
Various signals can be sent to the subscriber line 11. For example, the facsimile reception modem 18 transmits a signal indicating that it is connected to a non-telephone and its own terminal attribute, and sends out a signal indicating that it has been normally received in response to a facsimile transmission end signal from the transmitting side. be able to. Further, the facsimile reception modem 18 outputs a facsimile reception end signal to the controller 19, which indicates that the reception of the facsimile signal is normally completed.

The controller 19 is a facsimile reception start switch.
It is connected to the power supply terminal 22 via 20, and makes the facsimile hook switch 21 conductive by turning on the facsimile reception start switch 20, and instructs the facsimile reception modem 18 to make a facsimile reception response. Further, the facsimile hook switch 21 is made non-conductive by the facsimile reception end signal.

Next, the operation of the embodiment thus constructed will be described with reference to the flow chart of FIG.

It is assumed that the call is made by a normal voice call. The caller picks up the handset 16 (off-hook). As a result, the telephone hook switch 17 becomes conductive, and the impedance matching device 12 is short-circuited to be in a transmitting state. The facsimile hook switch 21 is in a non-conductive state. Next, the caller operates the dialer 15 to input a desired destination line number. The dialer 15 generates a dial signal, which is sent to the subscriber line 11 via the telephone circuit 13 and the telephone hook switch 17 and further to the public line via the terminal 10. A public line switch (not shown) sends a call signal to the destination to connect the subscriber lines to each other via the public line. This allows
The call is ready.

Next, a receiving operation by a normal voice call will be described.

Now, it is assumed that the telephone hook switch 17 and the facsimile hook switch 21 are in a non-conducting state. The call signal from the station is supplied from the public line to the subscriber line 11 through the terminal 10 and the impedance matching device
Input to the telephone circuit 13 via 12. When the ringer 14 detects an incoming call, it rings the incoming call. When the receiver confirms this bell sound and picks up the handset 16 (off-hook),
The telephone hook switch 17 becomes conductive and the impedance matching device 12 is short-circuited. As a result, the public line switch (not shown) detects the off-hook state, and the subscriber line 11
And a subscriber line on the originating side (not shown) are connected by a public line.

As a result, normal voice communication becomes possible. The received voice from the subscriber line 11 is given to the handset 16 via the telephone hook switch 17 and the telephone circuit 13, and the handset detects the voltage level of the received voice signal and outputs the voice. Further, the voice from the transmitter is transmitted as a transmitter voice signal from the subscriber line 11 to the public line via the telephone circuit 13 and the telephone hook switch 17. When the conversation is over, the recipient puts the handset 16 back on the hook. As a result, the telephone hook switch 17 becomes non-conductive, the impedance matching unit 12 detects the on-hook state in the public line switch, and disconnects the line.

Next, the operation when an erroneous transmission from the facsimile is received will be described. In this case, it operates according to the flowchart of FIG.

First, a calling signal from the facsimile machine which is the transmission source is input from the public line switch through the public line and the subscriber line 11. This call signal is transmitted through the impedance matching device 12 to the telephone circuit 13 when on-hook.
To enter. As a result, in step S1, the ringer 14 operates to generate a bell sound (ringing sound).

The next step S2 shows waiting by the public line switch. The receiver confirms the bell sound and then the handset
Pick up 16 (off-hook) and hook switch for phone
When 17 is turned on, the public line switch opens the line in step S3.

As a result, a predetermined facsimile signal is input from the transmission source facsimile apparatus. The receiver can hear the sound based on the facsimile signal through the handset. When the receiver determines that the facsimile signal from the facsimile apparatus is received in step S4, it turns on the facsimile reception start switch 20 in step S5.

When the controller 19 detects the conduction of the switch 20, the controller 19 activates the facsimile hook switch 21 and instructs the fax reception modem 18 to make a facsimile reception response in a predetermined procedure. That is, the facsimile reception modem 18 sends a signal indicating that it is a non-telephone to the facsimile hook switch 21 and the subscriber line 11.
To the public line through the facsimile to perform pseudo facsimile reception with the facsimile apparatus on the transmission side.

On the other hand, the receiver puts on the handset 16 in step S6. Then, the telephone hook switch 17 becomes non-conducting, but the facsimile hook switch 21
The line is not disconnected because is connected. That is, the facsimile pseudo reception is continued even if the receiver is on-hook (step S7). As a result, the sender's facsimile apparatus identifies that the facsimile is normally received, and continues to send the desired facsimile information.

When a signal indicating the end of transmission is received from the facsimile machine of the transmission source, the facsimile reception modem 18 sends a response signal indicating the normal reception to the facsimile machine of the transmission source, and at the same time, sends a facsimile reception end signal to the controller. Output to 19. As a result, the process goes from step S8 to step S9, and the controller 19 turns off the facsimile hook switch 21. As a result, the line is disconnected and the system returns to the reception waiting state.

As described above, in the present embodiment, when it is detected that a facsimile signal is received, the facsimile reception start switch 20 is turned on, and the facsimile reception modem 18 causes the facsimile reception modem 18 to perform pseudo facsimile reception. At the same time, the fax hook switch 21
When the receiver puts the handset on the hook, the facsimile pseudo reception continues. In this way, the facsimile reception is normally completed, and it is possible to prevent the sending facsimile apparatus from redialing.

FIG. 3 is a block diagram showing another embodiment of the present invention. In FIG. 3, the same components as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted.

This embodiment differs from the embodiment of FIG. 1 in that a controller 32 is provided instead of the controller 19 and a facsimile signal detector 31 is provided. When the facsimile signal detector 31 detects that a facsimile signal is received, it outputs a detection signal to the controller 32. The controller 32 makes the facsimile hook switch 21 conductive by the detection signal,
The facsimile reception modem 18 is instructed to perform pseudo facsimile reception, and the facsimile hook switch 21 is turned off by a facsimile reception end signal from the facsimile reception modem 18.

Next, the operation of the embodiment thus constructed will be described with reference to the flowchart of FIG. In FIG. 4, the same steps as those in FIG.

It is assumed that an error transmission from the facsimile machine is received. In steps S1 to S4, the line is opened by picking up the handset 16 in response to the call from the facsimile machine which is the transmission source, and the transmission of the facsimile signal is started from the fax machine which is the transmission source. Is the same as.

In this embodiment, the facsimile signal detector 31 detects that a facsimile signal has been received.
Then, in response to the detection signal from the facsimile signal detector 31, the controller 32 turns on the facsimile hook switch 21 in step S11 and causes the facsimile reception modem 18 to start the facsimile pseudo reception.
The receiver places the handset 16 and the telephone hookswitch 17
Even when is turned off (step S12), since the hook switch 21 is turned on, the facsimile reception modem 18 continues the pseudo facsimile reception (step S7).

After that, the facsimile hook switch 21 becomes non-conductive (steps S8 to S9) upon the completion of the facsimile transmission and enters the reception waiting state, as in the embodiment shown in FIG.

Also in this embodiment, since the facsimile transmission is normally performed, it is possible to prevent the facsimile apparatus of the transmission source from redialing. Further, the present embodiment has an advantage that the facsimile pseudo reception can be started without manual operation by the receiver.

FIG. 5 is a block diagram showing another embodiment of the present invention. 5, the same components as those in FIG. 1 are designated by the same reference numerals and the description thereof will be omitted. In the present embodiment, a receiver can make a pseudo facsimile reception without making a response (off-hook) to a wrong call from a facsimile machine.

In this embodiment, a hook switch 41 is used in place of the telephone and facsimile hook switches 17 and 21.
Is provided. The subscriber line 11 is connected to the facsimile reception modem 18 and the telephone circuit 13 via the hook switch 41. The hook switch 41 is controlled by the controller 40. The controller 40 is an impedance matching device from the subscriber line 11
When a calling signal is input through the telephone circuit 12 and the telephone circuit 13, the hook switch 41 is immediately turned on. The dialer 15 is connected to the telephone circuit 13, but the ringer is not connected. The ringer 42 is connected to the controller 40. The ringer 42 is controlled by the controller 40 to make a bell sound.

A voice synthesizer 44 and a handset 16 are connected to the telephone circuit 13 via a switch SW. The voice synthesizer 44 is controlled by the controller 40, and outputs a voice transmission voice signal such as “please wait for a while” or “calling now”. The controller 40 controls the switch SW based on the user operation of the handset switch 43. That is,
The controller 40 uses the switch S when the handset switch 43 is off.
When W is made to select the voice synthesizer 44 and the handset switch 43 is turned on, the switch SW is made to select the handset 16.

Next, the operation of the embodiment thus constructed will be described with reference to the flowchart of FIG.

The controller 40 waits for input of a calling signal from the public line in step S21. When the call signal is input from the subscriber line 11 through the impedance matching device 12 and the telephone circuit 13, the controller 40 turns on the hook switch 41 in the next step S22. As a result, the public line switch (not shown) opens the line.

In this case, the handset switch 43 is off, and the controller 40 controls the voice synthesizer 44 in step S23 to output the transmitted voice of the message "please wait for a while". This message is for switch S
It is sent to the subscriber line 11 and the public line through W, the telephone circuit 13 and the hook switch 41.

Now, it is assumed that the transmission source is an ordinary telephone. In this case, the sender hears the message "Please wait" from the handset. Meanwhile, the controller
In step S24, 40 detects that the signal is not the transmission signal from the facsimile machine, and in the next step S25, controls the voice synthesizing circuit 44 to output the message "I am calling now". This message is output as voice from the receiver of the transmission source. Also, the controller 40 performs step S
At 26, drive ringer 42 and ring the bell.

The ringing tone continues until the receiver turns on the handset switch 43 in step S27 or the line is disconnected by the sender (step S28). When the recipient sees the ringing of ringer 42, he turns on handset switch 43 to respond. Then, the controller 40 switches the switch SW in step S31 to set the handset
Select 16. This enables a normal voice call (step S32). This call ends when the receiver turns off the handset switch 43 in step S33. As a result, the controller 40 switches the switch SW to select the voice synthesizer 44, and sets the hook switch 41 to the non-conductive state in step S34 to disconnect the line.

Here, it is assumed that an erroneous call has occurred in which the sender of the calling signal is a facsimile machine. In this case, the process proceeds from step S24 to step S29, and the controller 40 causes the facsimile reception modem 18 to start the pseudo facsimile reception. Facsimile receiving modem
Reference numeral 18 is connected to the public line via the subscriber line 11 and the hook switch 41, and normally terminates the pseudo reception in response to the facsimile device of the transmission source. That is, in this case, the ringer 42 does not operate and the bell sound does not sound on the receiving side,
Also, without the receiver operating the handset switch 43,
The facsimile pseudo reception is automatically performed. When the facsimile pseudo reception is completed, the controller 40 proceeds from step S30 to step S34 to return the hook switch 41 to the non-conductive state and disconnect the line.

As described above, in this embodiment, when the calling signal is input, the hook switch 41 is turned on to determine whether or not it is a reception from the facsimile machine, and a message is sent to the sender. Send out. By making the bell sound only when it is confirmed that the transmission source is a telephone, unnecessary noise due to the bell sound can be prevented when performing the pseudo facsimile reception, and the receiver's operation is not required. The operability can be improved.

[0048]

As described above, according to the present invention, it is possible to prevent the continuous calling by the wrong telephone from the facsimile device having the redial function.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a telephone with a data pseudo reception function according to the present invention.

FIG. 2 is a flowchart for explaining the operation of the embodiment.

FIG. 3 is a block diagram showing another embodiment of the present invention.

4 is a flowchart for explaining the operation of the embodiment of FIG.

FIG. 5 is a block diagram showing another embodiment of the present invention.

6 is a flowchart for explaining the operation of the embodiment of FIG.

FIG. 7 is a block diagram for explaining an outline of facsimile communication.

[Explanation of symbols]

Claims (3)

[Claims] 1. A call means for responding to a calling signal from a telephone line to open the line to enable transmission / reception, and a reception response means for receiving a response to a predetermined signal from the telephone line. A telephone with a pseudo data reception function, comprising: an instruction means for instructing the start of operation of the reception response means, and a reception response maintenance means for maintaining the open state of the line until reception of the predetermined signal is completed. 2. A call means for opening a line in response to a call signal from a telephone line to enable transmission / reception, and a reception response means for receiving a response to a predetermined signal from the telephone line, Detecting means for detecting that the signal from the telephone line is a predetermined signal, instructing means for instructing to start the operation of the reception response means according to the detection result of the detecting means, and the until the end of reception of the predetermined signal. A telephone with a pseudo data receiving function, comprising: a reception response maintaining means for maintaining an open state of a line. 3. A communication means for opening a line in response to a calling signal from a telephone line, a reception response means for making a reception response to a predetermined signal from the telephone line, and a signal from the telephone line. Detecting means for detecting that the signal is a predetermined signal, and instructing to start the operation of the receiving and responding means when the detection result of the detecting means indicates that the signal from the telephone line is a predetermined signal. However, it is provided with a call means for enabling transmission / reception when it is indicated that the signal is not the predetermined signal, and a reception response maintaining means for maintaining an open state of the line until reception of the predetermined signal is completed. A telephone with a pseudo data reception function characterized by.