JPH05160931A - G4 facsimile equipment - Google Patents

Abstract

PURPOSE:To reduce power consumption by turning on the power source of a printing part without fail in the case of facsimile communication and turning off the power source after printing is completed. CONSTITUTION:When a call setting message is received from a digital line, a main control part 113 judges whether communication requested by the call setting message is facsimile communication or not and when it is the facsimile communication, it is judged whether the equipment is set in a reception mode or not. When it is set in the reception mode, the power source of a printing part 103 is turned on and the equipment is changed into a state under facsimile reception. During the facsimile reception, the end of communication is monitored at all times and when the communication is not completed, received data are stored in an image data storage part 109. When the printing part 103 is not completely prepared, the stored data are printed. Afterwards, when the facsimile communication is completed, a line release processing is executed and when the stored data are completely printed, a standby state is recovered by turning off the power source of the printing part 103.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to power saving of a G4 facsimile machine.

[0002]

2. Description of the Related Art In recent years, the ISDN line service has been started, and image data has been transmitted and received by G4 facsimile machines.

In the G4 facsimile apparatus, especially when the printing section is of the laser beam type or the like, preparation such as preheating is required at the time of startup, and conventionally, the power source of the printing section is also turned on when the power of the G4 facsimile apparatus is turned on. The power was constantly supplied to the printing unit so that the printer could be printed immediately upon start-up and reception of facsimile data.

Some thermal-sensitive facsimile machines do not always supply power, but the power is supplied before confirming facsimile communication when an incoming call is detected or when an incoming call is answered. Was turned on.

[0005]

However, the function of the printing unit is not required during standby or during transmission of facsimile data, and it is useless to supply power to the printing unit during standby or transmission. is there.

Further, in the ISDN line, when the call setup message includes the higher layer compatibility information element, it is possible to recognize that the call is facsimile communication before replying, and when the call is received or If the power was turned on at the time of answering an incoming call, there was a possibility that the power would be turned on even when the communication was not facsimile.

SUMMARY OF THE INVENTION An object of the present invention is to provide a G4 facsimile apparatus capable of effectively activating a printing unit to perform printing in response to an incoming call from a digital line and reducing power consumption.

[0008]

SUMMARY OF THE INVENTION The present invention receives a call setup message as an incoming call notification from a digital line,
Incoming call judging means for judging whether or not the call is a facsimile communication based on the content of the message before responding, and normally the power of the printing section is turned off, and the judging means is a facsimile communication. Is recognized, and when the facsimile communication is in the reception mode, the printing unit is turned on, the reception of the above facsimile data is finished, and the printing unit is turned off again after printing all received data. Part power supply control means, storage means for accumulating received data while receiving facsimile data after responding to the incoming notification, and print control for sequentially printing the stored received data after the printing section is powered on and printing preparation is completed. And means.

[0009]

1 is a block diagram showing a G4 facsimile apparatus according to an embodiment of the present invention.

The G4 facsimile apparatus 101 includes a printing section 103 for outputting a received image and the like, and this printing section 103.
And a main block 102 having a different power supply system, and the printing unit 1
03 has a power supply control unit 104 for supplying power, and a main block 102 and a printing unit 103 for supplying power to two systems.

The main block 102 has a display unit 106 for performing various displays, an operation unit 107 for performing various function operations, a line control unit 108 for controlling connection of digital lines, and the like. An image data storage unit 109 that stores image data, transmission image data, and the like, an image reading unit 110 that reads an image on a document, a ROM 111 that stores a control program, a RAM 112 that stores various data, and an apparatus. Main control unit 113 for controlling the whole
Have and.

In the above configuration, the line control unit 1
When 08 receives a message from the digital line, it notifies the main control unit 113 of this via the control bus. The main control unit 113 stores the received message in the RAM 112, analyzes the content of the message, and processes the message.

When a document is set on the image reading unit 110 and the copy function is operated by the operation unit 107, the main control unit 113 once stores the image data read by the image reading unit 110 in the image data storage unit 109. By accumulating and further transferring the accumulated image data to the printing unit 103 for printing, it is possible to copy the document.

Next, FIGS. 2 and 3 are flowcharts showing an operation procedure when the power of the printing unit 103 is turned on.

First, in the standby state, it waits for reception of a call setting message as an incoming call notification, transmission operation, or copy function operation.

When the call setup message is received in S201, it is determined whether the communication requested by the call setup message is a facsimile communication (S20).
2) If it is not facsimile communication, it returns to the standby state.

If it is facsimile communication in S202, it is determined whether the G4 facsimile apparatus is in the reception mode (S203). If it is the facsimile reception mode, the power of the printing unit 103 is turned on (S204). ), An incoming call response process such as sending a response message to the digital line is executed (S205), and the state transits to the facsimile receiving state (S206).

If it is not the facsimile reception mode but the transmission mode in S203, the incoming call answer process is executed without turning on the power of the printing unit (S207), and the state is transited to the facsimile transmission state (S208).

When a call origination operation is performed in the standby state (S209), a call origination process such as transmitting a call setting message to the digital line is executed (S21).
0), transition to waiting for partner response (S211). And
After answering the other party, it is judged whether or not the facsimile reception mode is set (S212).
3 is turned on (S213), and the state transits to the facsimile receiving state (S214).

If the facsimile transmission mode is set in S212, the power of the printing unit 103 is not turned on and the state transits to the facsimile transmission state (S215).

When the copying function is operated in the standby state (S216), the power of the printing unit 103 is turned on (S217) and the document copying state (S218) is entered.

Incidentally, when an incoming call is received, only G4 can be received.
If it is a facsimile machine, after confirming that facsimile communication is requested from the received call setting message (S202), it is possible to omit S203 and proceed to S204.

Next, FIG. 4 is a flowchart showing an operation procedure for turning off the power of the printing unit 103 after receiving the facsimile.

During facsimile reception, the end of communication is constantly monitored (S301). If communication is not completed, received data is accumulated (S302) and it is determined whether the preparation of the printing unit 103 is completed. (S303). Then, if the preparation is not completed, the process returns to S301, and if the preparation is completed, the accumulated data is printed (S304) and S30
Return to 1.

After that, when the facsimile communication is completed,
A line release process is executed (S305), and it is determined whether or not the printing of the accumulated data is completed (S306). If not completed, the process waits until the preparation of the printing unit 103 is completed (S307), and after the preparation for printing is completed, the printing of the accumulated data is started (S308). Then, when the printing of the accumulated data is completed, the power of the printing unit 103 is turned off (S3
09), and returns to the standby state (S310).

Next, FIG. 5 shows the printing unit 103 after copying.
3 is a flowchart showing an operation procedure for turning off the power source of FIG.

During copying of a document, it is monitored whether there is a document to be read (S401). If there is a document, copy data is accumulated (S402), and it is determined whether the preparation of the printing unit 103 is completed. If the preparation is not completed (S403), the process returns to S401. If the preparation is completed, the accumulated data is printed (S404), and the process returns to S401.

After that, when there are no more originals to be read, it is judged whether or not the printing of the accumulated data is completed (S40).
5) If not completed, wait until the preparation of the printing unit 103 is completed (S406), and after the preparation for printing is completed, the printing of the accumulated data is started (S407). Then, when the printing of the accumulated data is completed, the power of the printing unit 103 is turned off (S408), and the process returns to the standby state (S409).

In the above embodiments, the storage unit 109 for the received data is not specified, but RA
Any readable and writable recording medium such as M, floppy disk, hard disk, etc. may be used, and the type thereof is not particularly specified.

Further, in FIG. 1, the power supply control unit 104
Is a main block 102, a printing unit 103, and a power supply unit 10.
Although it is described as one control unit independent from 5, it may belong to any of the above three units. Further, each of the respective parts may be housed in separate housings and connected by an interface cable or the like, instead of housing all in a single housing.

Further, in the description of the operation procedure for turning on the power of the printing unit 103, the time of turning on the power may be turned on not only after receiving the call setting message as the incoming call notification but before the response but also after the response. , Printing unit 103
In order to complete the preparation as soon as possible, the printing unit 103
It is more practical to turn on the power of.

Further, in the above embodiment, the facsimile communication is confirmed from the contents of the higher layer compatibility information element included in the call setup message at the time of incoming call.
Even if it is confirmed by the information other than the higher layer compatibility information element such as the calling number information element that the facsimile communication is performed, the same effect can be obtained.

[0033]

As described above, according to the present invention,
When the call setup message as an incoming call notification is received, and when it is recognized from the content of the higher layer compatibility information element included in the call setup message that the facsimile communication is surely performed, the power of the printing unit is turned on, By turning off the power again after printing is completed, it is possible to turn off the power during standby or during facsimile transmission, which has the effect of realizing power saving of the G4 facsimile apparatus.

[Brief description of drawings]

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

FIG. 2 is a flowchart showing an operation procedure when the printing unit is powered on in the above embodiment.

FIG. 3 is a flowchart showing an operation procedure when the power of the printing unit is turned on in the above embodiment.

FIG. 4 is a flowchart showing an operation procedure of turning off the power supply of a printing unit after receiving a facsimile in the above embodiment.

FIG. 5 is a flow chart showing an operation procedure of turning off the power supply of the printing unit after copying is completed in the above-described embodiment.

[Explanation of symbols]

 101 ... G4 facsimile apparatus, 102 ... Main block, 103 ... Printing section, 104 ... Power control section, 105 ... Power supply section, 106 ... Display section, 107 ... Operation section, 108 ... Line control section, 109 ... Image data storage section, 110 ... Image reading unit, 111 ... ROM, 112 ... RAM, 113 ... Main control unit.

Claims (3)

[Claims] 1. A G4 facsimile apparatus in which a power supply system is separated between a printing unit and other units, and a call setting message as an incoming call notification from a digital line is received, and the contents of the message are sent before replying.
Incoming call judging means for judging whether the call is facsimile communication; usually, the power of the printing unit is turned off, the judging means recognizes that the communication is facsimile communication, and further the facsimile communication is received. Printing mode power control means for turning on the power of the printing unit, ending reception of the facsimile data, and turning off the power of the printing unit again after printing all received data in the case of the mode; A storage means for accumulating the received data during the reception of the facsimile data after the response; and a print control means for sequentially printing the stored received data after the printing unit is powered on and the preparation for printing is completed. G4 facsimile machine. 2. The communication system according to claim 1, having a communication function of receiving a facsimile after transmitting to the digital line, and the printing unit power supply control means is configured so that, at the time of transmitting, the communication that is continuously performed is a facsimile communication in a reception mode. For example, the G4 facsimile machine is characterized in that the power of the printing unit is turned on. 3. A copy mode for copying an original document according to claim 1, wherein said printing unit power supply control means turns on the power supply of said printing unit when this copy mode is executed, and the copy data concerned. Reading is completed, all the copy data is printed, and then the power of the printing unit is turned off again, and the storage means stores the copy data,
The G4 facsimile apparatus, wherein the print control means sequentially prints the copy data stored in the storage means.