JP3039559B2 - Facsimile machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

The present invention relates to a facsimile machine.

[Prior art]

An image is reproduced on paper based on facsimile data (image data and control data) received through a communication line, and facsimile data is generated based on scanning of an original image. Is provided.

[Problems to be solved by the invention]

There is a request to build a communication system in which a facsimile machine is one of the components, for example, within the same company. For example, there is a request to arrange a facsimile device as a terminal device of a private branch exchange (PBX), or a request to connect an extension telephone, a handset, a key system, and the like using the facsimile device as a master device. In addition, there is a demand that the connection between the above-mentioned devices be switched between wired / wireless as needed. An object of the present invention is to meet such a demand.

[Means for solving the problems]

The present invention achieves the above object by separating a function relating to communication and an image processing function and providing a communication control protocol conversion unit to realize compatibility of a communication control protocol with various communication terminal devices. is there. That is, the present invention provides an image processing unit that performs image reproduction and generation of facsimile data, an external line interface that can be connected to an external line control unit, an internal line interface that can be connected to an internal line control unit, and a communication control protocol conversion. This is a facsimile machine having a control program means connection unit to which a program can be connected, and control means for controlling an external line interface unit, an extension interface unit, and an image processing unit according to the connected control program.

[Action]

For example, when this device is used as a terminal of a private branch exchange (PBX), an external line interface means is connected to an interface means capable of connecting to the PBX by a 4-wire system (voice signal line, control signal line). Then, the interface means is operated to the communication control protocol conversion program connection section, and a memory means such as a ROM storing a program capable of realizing the conversion of the communication protocol is connected. When the present apparatus is used as a communication terminal of a local station, the external line interface means is connected to an interface means capable of connecting to the office line by a two-wire system (audio signal line), and a communication control protocol is used. The conversion program connection unit is connected to a memory means such as a ROM storing a program capable of operating the interface means and realizing the conversion of the communication protocol. Further, when it is desired to wirelessly connect the communication terminal of the local station and the present apparatus, the wireless transmission / reception unit can be connected to the external line interface means and the control program connection unit can operate the wireless transmission / reception unit. The program is connected to a memory means such as a ROM in which the program for realizing the communication control protocol conversion is stored. In this case, it is assumed that a pair of wireless transmission / reception units is also installed on the communication terminal side of the local station. On the other hand, when this apparatus is used as a base unit or a key system of an extension telephone, an interface means capable of connecting to the extension telephone by a 4-wire system (voice signal line, control signal line) is connected to the extension interface means. At the same time, the interface unit is operated by the communication control protocol conversion program connection unit to connect a memory unit such as a ROM storing a program capable of realizing the conversion of the communication control protocol. In addition, when this device is used as a communication terminal of a local station and used as a base station of a wireless telephone, the outside line side is connected to the local station as described above, while a wireless transmission / reception unit is connected to the extension side. Connecting. Further, a memory means such as a ROM storing a program capable of operating the wireless transmission / reception unit and a program for realizing communication control protocol conversion is connected to the communication control protocol conversion program connection unit. In this case, it is assumed that a pair of wireless transmission / reception units is installed on the wireless telephone side.

【Example】

Hereinafter, embodiments of the present invention will be described. FIG. 1 is a block diagram showing the configuration of the embodiment apparatus. (1) Overall Configuration As shown, the apparatus 10 of the present embodiment includes an image recording unit 13 for reproducing an image on paper based on facsimile data (image data and control data), various key switches for inputting operations, and the like. An operation panel 14 on which display elements and the like are arranged, an image reading unit 15 for scanning a document image and generating facsimile data,
A transmission / reception unit 12 for controlling these is arranged. The transmission / reception unit 12 also transmits and receives facsimile data to / from the external line I / F 16 and the internal line I / F 17. The transmission / reception unit 12 is given various control timings by the control unit 11. The control unit 11 reads out a program necessary for controlling the main body from the control software 21, reads out a communication control protocol conversion program from the external line control protocol conversion software connection unit 18 and the extension line control protocol conversion software connection unit 19, and executes the conversion. In accordance with the program, the external line I / F 16 and the internal line I / F 17 are controlled in addition to the transmission / reception unit 12, and compatibility with a communication control protocol of a terminal device connected to the external line or the internal line is realized. (2) External line interface The external line interface (interface) 16 functions as an interface with interface means connected to the external line side. For example, the terminal 10 of the private branch exchange (PBX) 31
Is used, an external line I / F 16 is connected to an interface 26 (see FIG. 2) for connecting to the PBX 31 in a 4-wire system, and the interface 26 is connected to an audio signal line The control signal lines are connected respectively. Here, as shown in FIG. 2, for example, when an incoming call is received, the incoming signal is transmitted from the PBX 31 through the control signal line 26b through the control signal line 26b according to the terminal control protocol of the PBX 31.
It is sent out at 26h. The communication control protocol converter uses this PBX
The incoming signal from the base station 31 is converted into an incoming signal according to the communication control protocol of the control unit of the facsimile main unit 10 shown in FIG. The control unit 11 responds to the converted incoming signal, activates the modem 20, and receives a voice signal from the PBX 31. In this example, the communication control protocol converter is controlled by the protocol conversion software AA26i to directly convert the signal from the PBX 31 into a signal compatible with the controller 11. The 26h input / output signal may be compatible with the control unit 11 in terms of hardware or a protocol of only a lower layer. In this case, the controller 11 can be provided with the external line protocol conversion software A41 to realize the compatibility of the upper layer protocol. On the other hand, when the device 10 is used as a communication terminal of a local station of the public telephone line 32, the external line I / F 16 can be connected to the office line by a two-wire system (audio signal line). (Shown) and external line soft connection section 18
A ROM (software B) 42 storing a program for operating the interface and realizing the compatibility of the communication control protocol is connected thereto. In addition, a communication terminal (not shown) of the city station and the device 10 are
When a wireless connection is desired, a program for connecting a wireless transmission / reception unit (not shown) to the external line I / F 16 and operating the wireless transmission / reception unit to the external line software connection unit 18 to realize compatibility of the communication control protocol. ROM that stores
(Software C) 43 is connected. In this case, a pair of wireless transmission / reception units is also installed on the communication terminal side of the local station. Various external line devices other than those described above can be connected in the same manner. (3) Extension I / F The extension I / F (interface) 17 functions as an interface with interface means connected to the extension. For example, when the present apparatus 10 is used as a base unit of the extension telephone 61, the extension I / F 17 can be connected to the extension telephone 61 by a 4-wire system (voice signal line, control signal line). 3), and a voice signal line and a control signal line derived from the extension telephone 61 are connected to the interface 57. Here, as shown in FIG. 3, the interface 57 includes, for example, a line interface circuit 57c having an audio signal section / control signal section, and an extension telephone control section 57d for controlling the extension telephone 61 side. The extension telephone 61 includes, for example, a line interface circuit 61c having a voice signal section / control signal section, a handset 61g, a display section / operation section 61f, and a selection signal (DTMF signal).
DTMF transmitter 61e that sends out to the audio signal line, and a control unit 61d of the telephone. In the extension software connection unit 19, a ROM (software X) storing a program for operating the blocks 57c to 57d of the interface 57 and realizing compatibility of the communication control protocol between the control unit 61 and the control unit 11 is stored. 71 shall be connected. On the other hand, when the device 10 is installed as a communication terminal of a local station and is used as a base unit of the wireless handset 62, the outside line is connected to the local station as described above, and A transmission / reception unit (not shown) is connected. Further, a ROM (software Y) 72 storing a program for operating the wireless transmitting / receiving unit and a program for realizing protocol compatibility between the wireless transmitting / receiving unit controller and the main body controller 11 is connected. In this case, the wireless handset 62 is also provided with a pair of wireless transmitting and receiving units. In addition, various extension-side devices other than those described above can be connected in the same manner.

【The invention's effect】

As described above, the present invention provides an image processing unit, an external line interface unit, an extension interface unit, a control program connection unit, and a unit for controlling the external line interface unit / extension interface unit / image processing unit according to the connected control program. And a facsimile machine that can connect any external line-side device or internal line-side device to each of the external line interface means and the internal line interface means. ADVANTAGE OF THE INVENTION According to this invention, the degree of freedom of apparatus connection to an outside line side and an inside line side increases, and the system construction according to a customer's request can be performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a circuit configuration of the apparatus of the embodiment, and FIG.
FIG. 3 is a block diagram showing an example of a case where a device is connected to an outside line, and FIG. 3 is a block diagram showing an example of a case where a device is connected to a inside line. 10: Example device 16: External line I / F, 17: Internal line I / F 26: Interface of external line side device 57: Interface of internal line side device

Continuation of the front page (56) References JP-A-63-129737 (JP, A) JP-A-63-253745 (JP, A) JP-A-1-258546 (JP, A)

Claims (1)

(57) [Claims] An image processing unit (13,1) for reproducing an image based on facsimile data and generating facsimile data.
A facsimile apparatus (10) having a transmitting / receiving unit (12) for controlling 4) can be connected to an external line device (31-33) selected from the group consisting of a PBX, a public telephone line, and a radio telephone antenna. External interface means (16) for providing a connection between a local device and the transmitting / receiving unit; and a plurality of types of internal devices (61) including an internal telephone line (61).
-63), and an extension interface means (17,5) for providing a connection between the extension side device and the transmitting / receiving section.
7), a protocol conversion software connection unit connectable to the memory means storing the communication control protocol conversion program (41-43, 71-73), and a communication control protocol conversion program stored in the connected memory means. , The external interface means (16) and the internal interface means (17,5).
7) and a control unit (1) for controlling the transmission / reception unit (12).
The control unit (11) can change a communication control protocol conversion program used in accordance with a protocol used by the external line device and the internal line device. The transmission / reception unit (12) includes an external line device. And a facsimile machine capable of transmitting and receiving facsimile data to and from both sides of the extension device.