JPH07203103A - Multi-port facsimile equipment - Google Patents

Abstract

PURPOSE:To obtain the multi-port facsimile equipment in which the flexible connection between a communication control section not in use and a line is realized so as to enhance the opportunity of communication. CONSTITUTION:Changeover sections 19, 20 select B-channel analog data from telephone subscriber lines 1, 2 and an ISDN control section 18 and the selected data are given to either of G4/G3 mode communication control sections 14, 15. Call reception detection sections 21, 22 detect respectively the arrival of a call to the telephone subscriber lines 1, 2 and inform it to a system control section 10. The system control section 10 combines the ISDN line and the two telephone subscriber lines with the two communication control sections 14, 15 optionally based on the information from the call reception detection sections 21, 22 and the ISDN control section 18. Two-channel communication is implemented through the selective combination regardless of combination configuration.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-port facsimile machine, for example, a facsimile machine accommodating a plurality of communication lines.

[0002]

2. Description of the Related Art In recent years, telecommunication services have been expanding from telephones to facsimile communications, data communications, image communications and the like. In addition, the communication network has two 64 Kbps information (B) channels and a 16 Kbps signal (D).
It is composed of 2B + D with one channel. These two subscriber telephone lines and one ISDN (Integrated Service)
In a facsimile apparatus having a G4 / G3 communication control unit that accommodates a sDigital Network) line and operates exclusively in the G3 mode and the G4 mode, the subscriber telephone line and the communication control unit are connected one to one.

FIG. 3 shows a conventional example. In the figure, a system control unit 31 controls each unit of the facsimile, a scanner 32 reads an original, and a printer 33
Is a device for recording a facsimile image. The operation display unit 34 includes keys and a display unit for performing an operation.
The G4 / G3 communication control units 35 and 36 realize protocol control of the G3 mode and the G4 mode, and also have an encoding / decoding unit for communication. Further, it has an analog terminal for a subscriber telephone line and an analog and digital terminal for an ISDN, and also processes incoming and outgoing calls of the subscriber telephone line.

The memory 37 is a storage unit for storing images. It also has an encoder / decoder 38 for the scanner 32 and printer 33. The ISDN control unit 39 uses the IS
D channel call control function with DN network and two voice C
Has ODEC. Further, the ISDN control unit 9 and the system control unit 1 handshake data regarding the call control unit. Therefore, simultaneous operation of G4-2B, simultaneous operation of G3-2B, ISDN-G4 + subscribed telephone line G3 and ISDN-G3 + subscribed telephone line G3 can be performed in ISDN.

[0005]

However, in such a conventional facsimile, only one communication control unit is IS.
If there is an incoming call on the subscriber telephone line connected to the communication control unit during communication in the DN mode, there is a problem that the device cannot perform communication even when the other communication control unit is idle.

It is an object of the present invention to provide a multi-port facsimile apparatus which has flexibility in communication control and connection to a line which are not in use, and which increases the chance of communication.

[0007]

In order to achieve the above object, the multi-port facsimile apparatus of the present invention has an ISDN control means connected to one ISDN line, one ISDN line and two telephone subscriptions. One of the lines
It has two switching means for selectively switching connection with the book, two communication control means including at least one of G4 mode and G3 mode, and system control means for controlling switching connection of the switching means. It has a feature.

[0008]

Therefore, according to the multi-port facsimile apparatus of the present invention, the ISDN control means, the two communication control means and the two switching means are provided, and one I
Since the SDN line and the two telephone subscription lines are selectively switched and connected, the connection between the communication control means and the line can be freely configured.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a multi-port facsimile apparatus according to the present invention will be described in detail with reference to the accompanying drawings. Referring to FIG. 1, there is shown an embodiment of the multi-port facsimile apparatus of the present invention.

FIG. 1 shows an embodiment of the present invention.

The system control section 10 is a circuit section for controlling each section of the facsimile. The scanner 11 is a device for reading a document, and the printer 12 is a device for recording a facsimile image. The operation display unit 13 includes keys and a display unit for performing an operation. G4 /
The G3 communication control units 14 and 15 are circuit units that realize protocol control in the G3 mode and / or the G4 mode, and also have an encoding / decoding unit for communication. It also has a data terminal for G4 data and / or a data terminal for G3 data. The memory 16 is a storage circuit for storing images.

The encoder / decoder 17 encodes the image data from the scanner 11 and decodes the image data to the printer 12. The ISDN control unit 18 uses the ISDN
D channel call control function with network and two voice COD
It has an EC and handshakes data relating to call control with the system control unit 10.

The switching units 19 and 20 are line switching devices for switching between the ISDN control unit 18, the telephone subscription line 1, the telephone subscription line 2 and the G3 data, and the system control unit 10
Any one of the above three and G4 / G by the control signal from
3 The G3 data terminals of the communication control units 14 and 15 are connected. Relays are used for the switching units 19 and 20 in this embodiment. The incoming call detection units 21 and 22 are the telephone subscription line 1
It is a circuit unit having a function of detecting an incoming signal from 2 and 2 and notifying the system 10.

The operation of the multi-port facsimile apparatus of the embodiment having the above configuration will be described below with reference to the flowchart of FIG.

The system control unit 10 is an ISDN control unit 1.
8 whether there is an ISDN incoming call (S101), the incoming call detection unit 21 notifies whether there is an incoming call from the telephone subscription line 1 (S113), and the incoming call detection unit 22 notifies that there is an incoming call from the telephone subscription line 2. The presence or absence (S120) is sequentially checked. When the result of step S101 is YES, it is then checked whether the G4 / G3 communication control unit 14 is in use (S102). The result of step S102 is YES.
If it is, then it is checked whether the G4 / G3 communication control unit 15 is in use (S107). The result of step S107 is Y
In the case of ES, the ISDN control unit 18 is notified of the incoming call rejection (S112), and the presence or absence of the incoming call is checked again from step S101.

When the result of step S102 is NO, G
The 4 / G3 communication control unit 14 is in an unused state, and the ISDN control unit 18 is notified that the communication control unit 14 is used (S103). Further, it is checked whether the incoming call attribute notified from the ISDN control unit 18 is the G3 mode (S10
4). If the result of step S104 is YES, the switching unit 19 is controlled and set to the ISDN side (S10).
5). After that, the G4 / G3 communication control unit 14 is started in the G3 mode, and when the result of step S104 is NO, the G4 / G3 communication control unit 14 is started in the G4 mode (S106) and the signal is received. .

When the result of step S107 is NO, G
The ISDN control unit 18 is notified that the 4 / G3 communication control unit 15 is used (S108). Further, it is checked whether the incoming call attribute notified from the ISDN control unit is the G3 mode (S109). When the result of step S109 is YES, the switching unit 20 is controlled and set to the ISDN side (S
110). After that, the G4 / G3 control unit 15 is activated in the G3 mode, and when the result of step S109 is NO, it is activated in the G4 mode (S111) to receive a signal.

When the result of step S113 is YES,
The G4 / G3 communication control unit 14 checks whether it is in use (S114). If the result of step S114 is YES, it is next checked whether the G4 / G3 communication control unit 15 is in use (S117). The result of step S117 is YES.
If no, nothing is performed and the process returns to step S101. When the result of step S114 is NO, the switching unit 19 is set to the telephone subscriber line 1 side (S115). Furthermore, G4 / G
3 Start the communication control unit 14 in the G3 mode (S116),
Receive signals. In addition, the result of step S117 is N
When it is O, the switching unit 20 is set to the telephone subscriber line 1 side (S118). Further, set the G4 / G3 communication control unit 15 to G
It starts up in three modes (S119) and receives a signal.

When the result of step S120 is YES,
It is checked whether the G4 / G3 communication control unit 14 is in use (S121). If the result of step S121 is YES, it is then checked whether the G4 / G3 communication control unit 15 is in use (S124). When the result of step S121 is NO, the switching unit 19 is set to the telephone subscription line 2 side (S
122). Further, the G4 / G3 communication control unit is activated in the G3 mode (S123), and the signal is received. Step S
When the result of 124 is NO, the switching unit 20 is set to the telephone subscription line 2 side (S125). Further, the G4 / G3 communication control unit 15 is activated in the G3 mode (S126), and the signal is received. When the result of step S124 is YES, nothing is performed and the process returns to step S101.

In this way, one ISDN line, two telephone subscription lines and two G4 / G3 communication control units can be arbitrarily connected when receiving a call. In addition, the system control unit 10 keeps the state of the switching unit 19 and the switching unit 20 and the G4 / G3 communication control unit 14, G4 / G at the time of calling.
3 The state of the communication control unit 15 is checked, and the same arbitrary connection is realized. When receiving and oscillating this signal, the scanner 11, the printer 12, the memory 16, the encoding / decoding unit 17, etc. are used. Also, the operation keys and the display unit 13 are utilized in transmission and reception.

As described above, the present invention uses one IS.
Accommodates a DN line and two telephone subscription lines, one ISD
In a facsimile apparatus having an N control unit, two communication control units that operate exclusively in the G4 mode and the G3 mode, and a system control unit, two two telephone line analog data and ISDN B channel analog data are provided. Since the means for switching and the means for detecting an incoming call from the two telephone subscriber lines are provided, there is an effect that two-channel communication can be performed by an arbitrary combination of the ISDN line and the two telephone subscriber lines.

Although the above-described embodiment is a preferred embodiment of the present invention, the present invention is not limited to this, and various modifications can be made without departing from the gist of the present invention.

[0023]

As is apparent from the above description, the multi-port facsimile apparatus of the present invention is capable of transmitting and receiving regardless of the combination of the line and the communication control means by freely configuring the connection between the communication control means and the line. Therefore, the flexibility and convenience of the transmission / reception operation are increased.

[Brief description of drawings]

FIG. 1 is a circuit configuration block diagram showing an embodiment of a multi-port facsimile apparatus of the present invention.

FIG. 2 is a flow chart for explaining the operation of the embodiment of FIG.

FIG. 3 is a circuit block diagram showing a configuration example of a conventional multiport facsimile apparatus.

[Explanation of symbols]

 10 system control unit 11 scanner 12 printer 13 operation display unit 14, 15 G4 / G3 mode communication control unit 16 memory 17 encoding / decoding unit 18 ISDN control unit 19, 20 switching unit 21, 22 incoming call detecting unit

Claims (4)

[Claims] 1. An ISD connected to one ISDN line
N control means, two switching means for selectively switching connection with any one of one ISDN line and two telephone subscription lines, and at least G3 mode of G4 mode and G3 mode A multiport facsimile apparatus comprising two communication control means and a system control means for controlling the switching connection of the switching means. 2. The system control means detects whether or not the communication control means is in use, and switches the communication control means not in use and either the ISDN control means or the telephone subscription line to the switching means. 2. The multi-port facsimile apparatus according to claim 1, wherein the multi-port facsimile is selectively switched. 3. The multi-port facsimile device,
Further, it has two incoming call detecting means, the incoming call detecting means detects whether or not the telephone line is in use, and whether or not the communication control means is in use, uses information detected by the incoming call detecting means. The multi-port facsimile apparatus according to claim 2, wherein 4. The ISDN control means has two-channel input / output terminals, and the connection with the two communication control means is connected to any one terminal of the two-channel input / output terminals. The multi-port facsimile apparatus according to claim 2, wherein