JPH04317257A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To prevent wasteful ringing and to properly inform of the occurrence of abnormality by detecting whether an incoming call is a telephone or facsimile when the incoming call is received, ringing a telephone device using a pseudo- calling signal when the abnormality including the run-out of recording paper and the jamming of them, etc., is detected, and changing the ringing sound between the call incoming time and the abnormality occurrence time. CONSTITUTION:When the calling signal is detected by a calling signal detection circuit 2, a CML6 is switched to the facsimile equipment side, the signal is detected by means of the tone detection function of a MODEM 10, and when the signal is detected, facsimile communication is executed. When the signal is not detected, it is judged that the incoming call is telephone and the calling signal is outputted to a slave telephone 8. When the slave telephone 8 is hooked off, the calling from a pseudo-calling signal generation circuit 1 is ended, the CML6 is switched to the telephone device side and the communication is executed. When it is not hooked off, it is judged that an operator is absent and the line is released. When the slave telephone 8 is hooked off, the transmission of the calling signal from the pseudo-calling signal generation circuit 1 is ended and warning sound is outputted by a audible signal generation circuit 16.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile machine having an automatic FAX/TEL switching function and a pseudo paging signal generation circuit.

0002

[Prior Art] In a conventional facsimile machine, when an incoming call is received from the line, the telephone line is connected to the slave phone connected to the facsimile machine until the facsimile machine detects this and forms a DC loop. has been done.

Furthermore, if an abnormality occurs in the facsimile machine, such as running out of recording paper or jamming the recording paper, the facsimile device is configured to emit a warning sound from the main body of the facsimile machine.

0004

[Problems to be Solved by the Invention] However, in the conventional example described above, when there is an incoming call, even if the facsimile machine has a FAX/TEL switching function, until the facsimile machine detects the incoming call and forms a DC loop, Even in the case of facsimile communication, there was a drawback that the slave telephone would ring.

[0005] Another drawback is that when an abnormality occurs in a facsimile machine, even if the facsimile emits a warning sound, if the operator's seat is far from the facsimile machine, the operator will not notice the warning sound and will not be able to receive it. there were.

SUMMARY OF THE INVENTION An object of the present invention is to provide a facsimile device which can prevent unnecessary ringing of a telephone when receiving a facsimile call and can appropriately notify the occurrence of an abnormality.

[0007]

[Means for Solving the Problems] The present invention provides a ringing signal detecting means for detecting a ringing signal when a telephone is connected, a pseudo ringing signal generating means for generating a pseudo ringing signal,
The facsimile device has an automatic switching means for automatically switching between the facsimile device and the telephone, and is characterized in that when a call is received from a line, the telephone rings only if the incoming call is a telephone.

Further, the present invention is characterized in that the facsimile apparatus has an abnormality detection means for detecting abnormalities including running out of recording paper and jamming of recording paper, in which a telephone rings when an abnormality within the apparatus is detected.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a circuit diagram showing an embodiment of the present invention.

The pseudo call signal generating circuit 1 is controlled by a control section (not shown) and outputs a waveform as shown in FIG. Note that the ringing pattern of this pseudo-calling signal can also be freely changed by the control section.

The ringing signal detection circuit 2 is a circuit that detects a ringing signal from an exchange when a call is received, and the detection signal is input to the control section.

The hook detection circuit 3 is a circuit for detecting that the slave telephone 8 connected to the facsimile is off-hook, and its detection signal is also input to the control section.

The K switch 4 is for switching between the DC power supply and the pseudo ringing signal circuit 1 for operating the telephone, and the H switch 5 is for switching the telephone between the line side and the DC power supply or the pseudo ringing signal generating circuit 1 side. This is to switch to . The CML6 is a make-before-break type contact switch that switches the telephone line from the telephone side to the facsimile side. These changeover switches 4 to 6 are controlled by the control section.

Terminal 7 is a telephone connection terminal for connecting slave telephone 8 to the facsimile machine, and terminal 9 is a line connection terminal for connecting the facsimile machine to a telephone line.

The modem 10 modulates and demodulates control signals and image signals for facsimile communication, and is controlled by the control section. It is also assumed that this modem 10 has a tone detection function.

The audible signal generating circuit 16 is a circuit that outputs an audible signal to notify of an abnormality in the facsimile.
It is controlled by the control section.

[0017] Furthermore, this facsimile device has an amplifier 1
1 and 12, a hybrid transformer 13, a capacitor 14, a DC loop forming coil 15, a DC blocking capacitor 17, and an AC signal blocking coil 18.

The second is a flowchart showing the operation in the above configuration when there is an incoming call or when there is an abnormality in the facsimile machine.

First, in the standby state for incoming calls (S100), the K switch 4 is set to the DC power supply side, and the CML 6 is set to the telephone side. Here, when a calling signal is detected by the calling signal detection circuit 2, the CML 6 is switched to the facsimile side to form a DC loop (S101).

Next, the tone detection function of the modem 10 is used to test the CNG signal for a certain period of time (T time) (S1
02, S103), if a CNG signal is detected,
Facsimile communication is performed (S120).

If no CNG signal is detected within time T, it is determined that it is a telephone call, the K switch 4 is switched to the pseudo-call generating circuit 1 side, and the first ringing pattern shown in FIG. A calling signal is output to the slave phone 8 (S104
).

Next, for a certain period of time (time T1), the hook detection circuit 3 monitors whether the slave telephone 8 is off-hook, and
When the slave telephone 8 is off-hook within time T1, the sending of the ringing signal from the pseudo ringing signal generation circuit 1 is terminated (S
110), the K switch 4 is switched to the DC power supply side, the H switch 5 is switched to the line side, the CML 6 is switched to the telephone side (S111), and a call is made (S112).

Further, if the off-hook is not established within time T, it is determined that the operator is absent, and the transmission of the calling signal is terminated (S107), the K switch 4 is switched to the DC power supply side, and the CML 6 is switched to the telephone side (S107). S108), the line is released.

Furthermore, if CNG is detected in S102, facsimile communication is performed in S120 and S121. In this case, the control section monitors a recording paper presence sensor, a recording paper jam sensor, etc. (not shown), and detects any abnormality. If detected, the communication is terminated and the process proceeds to S122.

[0025] Also, if the communication is successfully completed in S120 and S121, the process proceeds to S122.

If there is any abnormality, the process proceeds from S122 to S114, where the K switch 4 is switched to the pseudo ringing signal generation circuit 1 side, and a ringing signal is output to the child telephone 8 in the second ringing pattern shown in FIG.

[0027] Then, in S115 and S116, a certain period of time (
T2 time), the hook detection circuit 3 monitors whether the slave telephone 8 is off-hook, and when the slave telephone 8 is off-hook within the T2 time, the sending of the ringing signal from the pseudo ringing signal generation circuit 1 is terminated. (S118), the K switch 4 is switched to the DC power supply side, and the audible signal generation circuit 16 outputs a warning sound for a certain period of time (S119).

[0028] If the hook is not off-hook within time T2, the ringing operation is ended in the same way as S118 (S117).
.

With the above control, when the facsimile machine is set to the FAX/TEL automatic switching mode, even if there is an incoming call, the slave phone will ring only when the facsimile machine determines that it is a telephone. be able to.

Furthermore, if an abnormality occurs in the facsimile machine such as running out of recording paper or jamming the paper, the slave telephone 8 is made to ring, so that the ringing alerts the operator that there is an abnormality in the facsimile machine. I can let you know.

Furthermore, since the ringing pattern changes depending on whether there is a telephone call or an abnormality, the operator can determine whether it is a telephone call or an abnormality by distinguishing the ringing patterns.

If there is an abnormality, the slave telephone 8 is made to ring, and when the operator takes the slave telephone 8 off-hook, an audible tone is output to the receiver, thereby making it possible to more clearly notify that there is an abnormality.

[0033] In the above embodiment, the CNG detection method was used as the FAX/TEL switching method, but the FAX/TEL
The EL switching algorithm is not limited to this. Furthermore, the waveform and ringing pattern of the pseudo-calling signal are not limited to those shown in the embodiments.

Furthermore, in the above embodiment, the slave telephone rings when there is an incoming telephone call or when there is an abnormality in the facsimile machine. It may also be made to sound when there is a communication error.

Furthermore, the audible signal generation circuit 16 is configured as an audio output circuit such as an audio memory and a D/A converter, so that a sound corresponding to the content of the abnormality is outputted to inform the operator of the content of the abnormality. You may also do so.

Furthermore, in the above embodiment, the case where the FAX/TEL switching mode was set was explained.
The function of making the slave phone ring when an abnormality is detected can also be applied when it is set to other communication modes.

[0037]

According to the present invention, even if there is an incoming call, it is possible to make the slave telephone ring only when it is determined that the call is to the telephone, and it is possible to prevent unnecessary ringing in the case of an incoming facsimile call.

Furthermore, if an abnormality occurs in the facsimile machine, such as running out of recording paper or jamming the paper, the telephone will ring, thereby appropriately notifying the operator of the abnormality in the facsimile machine.

Furthermore, by changing the ringing sound depending on whether the call is received or abnormal, it is possible to notify the operator whether the call is received or abnormal.

Furthermore, when the telephone goes off-hook due to ringing during an abnormality, it is possible to more clearly notify that an abnormality has occurred by transmitting an audible sound.

[Brief explanation of the drawing]

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

FIG. 2 is a flowchart illustrating operations in the above embodiment when there is an incoming call and when there is an abnormality in the facsimile machine.

FIG. 3 is a schematic diagram showing an output waveform of the pseudo call signal generation circuit in the above embodiment.

FIG. 4 is a schematic diagram showing a ringing pattern when a telephone call arrives in the above embodiment.

FIG. 5 is a schematic diagram showing a ringing pattern when an abnormality occurs in the above embodiment.

[Explanation of symbols]

1...Pseudo call signal generation circuit, 2...Call signal detection circuit, 3...Hook detection circuit, 4...K switch, 5...H switch, 6...CML, 7, 9...terminals, 8... Child phone, 10...Modem, 16...Audible signal generation circuit.

Claims (4)

[Claims] Claim 1: A ring signal detection means for detecting a ring signal when a telephone is connected, a pseudo ring signal generation means for generating a pseudo ring signal, and an automatic switching means for automatically switching between the facsimile device and the telephone. What is claimed is: 1. A facsimile device having a telephone set, wherein when an incoming call is received from a line, the telephone rings only if the incoming call is a telephone call. 2. In a facsimile machine to which a telephone is connected, the facsimile apparatus has a pseudo ringing signal generating means for generating a pseudo ringing signal, and an abnormality detecting means for detecting an abnormality including an out of recording paper and a recording paper jam. A facsimile device that is characterized by causing a telephone to ring when it detects. 3. A ringing signal detection means for detecting a ringing signal when the telephone is connected, a pseudo ringing signal generating means for generating a pseudo ringing signal, and an automatic switching means for automatically switching between the facsimile device and the telephone. , a facsimile device having an abnormality detection means for detecting abnormalities including recording paper out and recording paper jam, which causes the telephone to ring when an incoming call is a telephone call and when an abnormality is detected, and the facsimile device makes the telephone ring when an incoming call is received. A facsimile device is characterized in that a ringing pattern for making a telephone set changes depending on whether an abnormality is detected or not. 4. Pseudo ringing signal generating means for generating a pseudo ringing signal when the telephone is connected; abnormality detecting means for detecting an abnormality including a recording paper out and a recording paper jam; and an audible signal generating means for generating an audible signal. A facsimile device having means for causing a telephone to ring when the above-mentioned abnormality is detected, and outputting an audible signal to a receiver to notify the abnormality when the telephone is off-hook.