JP2978600B2 - Facsimile machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a facsimile apparatus which accommodates an answering machine and connects a line to the answering machine according to the contents of an incoming call.

[0002]

2. Description of the Related Art In such a facsimile apparatus, an initial identification signal for facsimile is transmitted in response to an incoming call. Was connected to the answering machine.

[0003]

However, if the purpose of the caller is to use the answering machine from the beginning, the transmission of the initial identification signal is terminated until the determination is made that the response signal has not arrived. Has to wait, which has the disadvantage that this time is meaningless for telephone callers. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a facsimile apparatus for promptly connecting an answering machine without transmitting an initial identification signal when a call is received by telephone.

[0004]

In order to achieve the above object, the present invention relates to a facsimile apparatus, comprising: a CNG detection unit for detecting a CNG signal in response to an incoming call from a line; A switching unit for making a switching connection to the answering machine, a calling unit for sending a calling signal to the answering machine, a response detecting unit for detecting a response of the answering machine, and timing of a predetermined time from the start of sending the calling signal When the CNG detection unit does not generate the detection power after receiving a call from the line, the line is connected to the answering machine by the switching unit, and the calling signal is sent by the calling unit, and the timer expires. If the response detection unit does not continuously generate the detection force until the response is detected, the control unit connects the line to the facsimile communication unit by the switching unit.

[0005]

Therefore, when the caller is a telephone, the CNG detection unit does not generate a detection power, so that the line is connected to the answering machine and a call signal is transmitted to the answering machine. Responds, the caller can immediately use the answering machine.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the block diagram of FIG. 1 showing an embodiment. In FIG. 1, a facsimile apparatus (hereinafter, FAX) 1 accommodates a line (hereinafter, L) such as a telephone subscriber line, and an answering machine (hereinafter, TEL) 3 is accommodated therein. Facsimile communication unit (hereinafter, FSR) 4 and CNG detection unit (hereinafter, CND) 5 for detecting a CNG signal;
A switching unit (hereinafter, SW) 6 is interposed between L3 and L2.
ND5 is connected to L2.

In this case, if there is an incoming call from L2,
An incoming call detector (hereinafter referred to as R) connected to the L2 side of SW6
GD) 8 detects the incoming call, and the CNT 7 determines whether or not the CND 5 has the detection power according to the detection power of the incoming call.
If the NG signal does not arrive and the detection power of the CND 5 does not occur even after a certain time of 3 seconds e.g.
Controls SW6 to switch and connect L2 to TEL3, and gives a command to a calling unit (hereinafter, RNG) 9 for sending a calling signal, from which a calling signal of 16 Hz or the like is sent to TEL3, and A timer (hereinafter referred to as TIM) 10 for measuring a predetermined time is started.

On the other hand, a response detection unit (hereinafter, ASD) 11 connected to the TEL3 side of the SW6 monitors, for example, the closing of the DC loop due to the off-hook of the TEL3, thereby detecting the response of the TEL3. Based on the detection status and the timing status of the TIM 10, it is determined that the TEL 3 has responded reliably if the ASD 11 generates continuous detection power until the CNT 10 times up, and the connection of the L2 to the TEL 3 by SW6. And stops the transmission of the call signal by the RNG 9.

On the other hand, if the ASD 11 does not generate continuous detection power by the time up of the TIM 10, the TSD
Judge that EL3 is not responding and control SW6 to set L2 to FS
The connection is switched to R4, and the communication process is started.

[0010] Also, after detecting the incoming call by RGD8, CN
When the detection power of D5 is generated, the caller determines that the caller is a facsimile by the arrival of the CNG signal, and controls SW6 to switch to L.
2 is connected to the FSR 4 to perform a response process.

[0011]

As is apparent from the above description, according to the present invention, a CND signal is detected in response to an incoming call. If the CND signal cannot be detected, the line is connected to an answering machine and a call signal is transmitted to the line. If the answering machine does not respond within a predetermined time from the start of the call, the line is switched to the facsimile communication unit, and the incoming call from the telephone is immediately connected to the answering machine, , The caller's waiting time can be reduced, and a remarkable effect can be obtained in a facsimile apparatus accommodating an answering machine.

[Brief description of the drawings]

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

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 facsimile device 2 line 3 answering machine 4 facsimile communication unit 5 CNG detection unit 6 switching unit 7 control unit 8 incoming call detection unit 9 calling unit 10 timer 11 response detection unit

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-148750 (JP, A) JP-A-2-244866 (JP, A) JP-A-2-81559 (JP, A) JP-A 63-14859 148767 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) H04N 1/00 H04M 1/64

Claims (1)

(57) [Claims] A facsimile apparatus accommodating an answering machine, a CNG detecting section for detecting a CNG signal in response to an incoming call from a line, and a switching section for switching and connecting the line to a facsimile transmitting section and an answering machine. A calling unit that sends a calling signal to the answering machine, a response detecting unit that detects a response from the answering machine, and a timer that counts a predetermined time from the start of sending the calling signal.
When the CNG detection unit does not generate the detection power after the incoming call from the line, the switching unit connects the line to the answering machine and transmits the calling signal by the calling unit until the timer expires. A facsimile apparatus, further comprising: a control unit for connecting a line to a facsimile communication unit by the switching unit when the response detection unit does not continuously generate detection power.