JPH02171060A - Facsimile equipment - Google Patents

Abstract

PURPOSE:To avoid the state of a caller side being brought into transmission wait and to improve the utilizing efficiency of a facsimile network system by transferring a received data to other equipment when a storage area of a received data is filled with the data. CONSTITUTION:A data is received to a data reception means 12 from a transmission line 10 through a 1st 4-channel. Then the received data is written in a reception data storage means 14. Moreover, the transfer destination of the received data is registered in advance to a transfer destination registration means 16. Moreover, a discrimination means 18 discriminates the presence of a remaining capacity of the received data storage means 14. When the discrimination means 18 discriminates it that no remaining storage capacity exists, the received data is sent to a transfer destination finished of registration by a data transmission means 20 via a 2nd channel. Since the received data is transferred to other equipment when the storage area of the received data is filled by the data in this way, the state of the caller awaiting the transmission is avoided.

Description

[Detailed Description of the Invention] [Table of Contents] Overview Industrial Field of Application Conventional Technology Problems to be Solved by the Invention Means for Solving the Problems Effects of the Invention [Overview Relating to a co-facsimile device, especially for receiving data A means for receiving data from a data transmission line via a first channel, with the object of providing a facsimile device that can continue to receive data even if there is no remaining memory capacity, with respect to a facsimile device that can store data as a semiconductor memory.
A received data storage means into which received data is written, a means in which a transfer destination of the received data is registered in advance, a means for determining whether there is remaining capacity of the data storage means, and when it is determined that there is no remaining storage capacity. To the second forwarding destination registered in
means for transmitting data over the channel;
It is characterized by

[Industrial Field of Application] The present invention relates to a facsimile machine, and particularly to a facsimile machine that can store received data in a semiconductor memory or the like.

Facsimile devices that use digital lines such as rsDNRlI can perform high-speed facsimile communications, and in particular, devices that store received data in semiconductor memory can realize various advanced functions by using the stored data. .

[Prior Art] In FIG. 8, facsimile machines 80-1 and 80-2
are provided on the center side, and their transmitted and received data are stored in memories 82-1 and 82-2, respectively.

The memory 82-1 of facsimile Halo 1 is filled with transmitted and received data, and facsimile machine a8
Memory 82-2 of 0-2 is not filled with transmitted and received data.

Those facsimile machines 80-1.80-2 are l SD
It is connected to the N network 84, and the small facsimile machine 8G on the terminal side is connected to the I5DN network 84.

When a call is issued from this facsimile device 86 to the facsimile device 80-2 which is in the process of receiving memory, since the memory 82-2 is not filled with transmitted and received data, the data transmitted by the facsimile device 86 is transferred to the facsimile device 80-2.
0-2, and the received data is written into the memory 82-2.

Thereafter, the received data in the memory 82-2 is transferred to another device or used in the facsimile machine 80-2 together with the transmitted data, and unnecessary data is deleted from the memory 82-2.

Further, from the facsimile device 86 to the facsimile device 80-
When a call is made to the facsimile machine 1F 80-1, since the memory 82-1 is filled with transmitted and received data, the facsimile machine 1F 80-1 ignores the incoming call.

[Invention tries to solve! ! MF Therefore, memory 82-1 of facsimile machine 80-1
The facsimile machine 86 will be unable to send data until free space is available due to data transfer or the like.

For this reason, conventionally, the facsimile device 86 repeatedly makes calls and enters the transmitting state, resulting in a decrease in the efficiency of use of the facsimile network system.

The present invention has been made in view of the above-mentioned conventional problems,
The purpose is to provide a facsimile machine that can perform memory reception even when there is no remaining memory capacity.

[Means for Solving the Problems] In order to achieve the above object, the device according to the present invention has the following features:
It is configured as shown in the figure.

The data receiving means 12 in the figure receives data from the data transmission line 10 via the first channel.

The received data is then written into the received data storage means 14.

Further, the transfer destination of the received data is registered in advance in the transfer destination registration means 16.

The rough determination means 18 determines whether there is a remaining capacity of the received data storage means 14 or not.

When the determining means 18 determines that there is no remaining storage capacity, the data transmitting means 20 transmits the received data to the registered transfer destination via the second channel.

[Operation] In the present invention, when it is confirmed that there is no remaining storage capacity of the received data storage means 14, the registered transfer destination is read out, and the received data is transferred to this destination.

[Embodiments] Hereinafter, preferred embodiments of the apparatus according to the present invention will be described based on the drawings.

FIG. 2 shows the configuration of a facsimile network system, in which a call is made from facsimile machine 86 to facsimile machine 80-1 whose memory 82-1 is filled with data.

The facsimile device 80-2 is registered in advance in this facsimile device + TE80-1 as a transfer destination of received data, and the transmitted data of the facsimile device 86 is transferred from the facsimile device 80-1 to the facsimile device a 80-2 and stored in the memory. 82-2.

FIG. 3 shows the configuration of a facsimile machine 80-1, in which a transmitted original is read by the reading section 30, and a received original is reproduced and outputted by the recording section 32.

The processing of compressing the transmitted data and restoring the received data is performed by the compression/decompression section 34, and the transmitted data and the received data are written in the memory 82-1.

In addition, data transmission and reception is performed by the B channel control unit 3G and layer 1.
This is performed via the control unit 38, and either the first B channel or the second B channel is used at that time.

Therefore, data reception and transmission can be performed in parallel and separately.

Note that the D channel communication control data is sent to the D channel I+ control unit 40. The l5DN network 84 via the layer 1 control unit 38
transferred between.

Furthermore, the number of the facsimile machine 80-2 to which the received data will be transferred when the memory 82-1 is filled with data is written in the memory 42 of the power backup RAM, and the written data can be sent to the data input unit 44 by pressing the The operation is performed manually from the input control section 416, and the liquid crystal display 48 is used to display the written data.

Furthermore, when transferring received data, the RAM memory 50 is used as a buffer.

The operation of the facsimile device 80-1 is controlled by the MPU 52, which is controlled by the program memory (ROM).
This is done using a work memory (RAM) 56 according to the contents of 54.

The present embodiment has the above configuration, and its operation will be explained below with reference to the flowcharts of FIGS. 4 and 5 and the time charts of FIGS. 6 and 7.

In FIG. 4, when the input of the calling instruction is confirmed (YES at step 400), the calling process (step 402) is performed, and the stored data of memo 82-1 is transmitted to the called party. Ru.

Also, if an incoming call is detected (YES in step 404),
Incoming call reception and first B channel connection processing (step 408
．． 408) is performed.

Next, it is determined whether data should be received or not (step 410), and when it is recognized that the data is in the polling transmission mode (No at step 410), the polling transmission is performed (step 412). ).

Further, when it is confirmed that the mode is to receive data (YES in step 410), it is determined whether or not the memory capacity of the memory 82-1 is sufficient to store the received data ( Step 414), the entire storage capacity of the memory 82-1 is not filled with data;
If sufficient free space remains, normal memory reception processing is performed (step 416).

Here, if it is determined that the memory 82-1 is full (No in step 414), the contents of the memory 50 are read out and the facsimile machine 80-2 is called (step 416) Detection of the free capacity of the memory 82-1 is performed by a conventional technique in which the program of the R0M54 is controlled by the MPU 52 and the free capacity of the memory 82-1 is detected).

At this time, if the facsimile machine 80-211 does not accept the call from the facsimile machine 80-1 (No in step 420), the first B channel is cut off (
Steps 422 and 424), facsimile machine 80-1
When the incoming call is accepted by facsimile machine R80-2 (YES at step 420), a connection is established with facsimile machine R80-2 via the second B channel (step 425).

Furthermore, data reception using the first B channel is started (step 426), and data reception using the first B channel and transfer of received data using the second B channel are repeated (steps 428 and 430).

After that, when the end of data reception is confirmed (step 4)
32: YES), the first B channel and the second B channel are cut off (steps 434, 436, 438, 440).

Further, when it is confirmed that there is free space in the memory 82-1, the process shown in FIG. 5 (step 416) is started.

In this process, the facsimile machine 80-2 is called (
Step 500), a connection is established with facsimile machine 80-2 (step 502).

Further, the operation of receiving data transmitted from the facsimile device 80-2 and the operation of writing the received data into the memory 82-1 are repeated (steps 504, 506.5).
08.510 [Such repeated operations are the same as in the conventional example. Ko).

Thereafter, when it is confirmed that the above polling reception is completed (YES in step 512), the facsimile machine 80-2
The connection with is severed (steps 514 and 516).

The time charts of FIGS. 6 and 7 explain the main functions of this embodiment in more detail. When a call is set up, facsimile machine 86 and facsimile machine 80-1
A connection is established with (B channel connection).

Next, from the facsimile device 80-1 to the facsimile device 8
When a call is set up for 0-2 and a connection is established between them (B channel connection), the facsimile machine 86
Then, facsimile communication is started between the facsimile device 80-1 and the facsimile device 80-1.

At the same time, facsimile communication is started between the facsimile machine 80-1 and facsimile B B 80-2, and the data transmitted by the facsimile machine 86 is once received by the facsimile machine 80-1 via the ISDN network 84, and then Data is sent to facsimile machine 280-2 l5D
The data is transferred via the N network 84.

As a result, the data transmitted from the facsimile device 86 is transmitted to the facsimile device 80-2 via the facsimile device 80-1.
is written into the memory 82-2 of the facsimile machine 80.
-1 data reception is performed on behalf of the facsimile machine 80-2.

However, when the memory 82-2 of the facsimile machine 80-2 is also full of data, the connection to the facsimile machine 80-1.86 is cut off as shown in FIG.

As described above, according to this embodiment, when a transmission is performed from the facsimile machine H 8G to the facsimile machine 80-1 for which there is no remaining memory capacity for reception, the transmitted data is transferred to the facsimile machine 80-1 in the The data is transferred to the facsimile device 80-1 via the facsimile device 80-1.
Since the facsimile machine 80-2 is responsible for receiving the message No. 1, the facsimile machine 86 can immediately start transmitting.

Therefore, it is possible to avoid the transmission waiting state of the facsimile device 80, and as a result, it is possible to improve the utilization efficiency of the facsimile network system.

Furthermore, according to the present embodiment, when free space occurs in the memory 82-1 of the facsimile device 80-1 due to data transmission, the data received on behalf of the facsimile device 80-2 is returned to the facsimile device 80-1. , the received data can be used on the facsimile device 80-1 side in the same manner as before.

[Effects of the Invention] As explained above, according to the present invention, the received data is transferred to another when the storage area for the received data is filled with data, thereby avoiding the situation where the calling side is waiting for transmission. Therefore, it is possible to improve the utilization efficiency of the facsimile network system.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the principle of the invention, Fig. 2 is an explanatory diagram of the configuration of a facsimile network system, Fig. 3 is an explanatory diagram of the configuration of the embodiment, and Fig. 4 is a flowchart (part 1) explaining the operation of the embodiment. Fig. 5 is a flowchart (part 2) explaining the action of the embodiment, Fig. 6 is a time chart (part 1) explaining the action of the embodiment, and Fig. 7 is a time chart (part 1) explaining the action of the embodiment. 2), FIG. 8 is an explanatory diagram of the prior art.・Compression/decompression section, ・B channel control section, ・Layer 1 control section, ・D channel control section, ・Memory (RAM), ・Data input section, ・Input control section, ・Liquid crystal display, ・Memory (RAM), ・M.P.U.・Program memory (ROM), ・Work memory (RAM), 80-2.86...-Facsimile 34 ・ ・ 36 φ ・ 38 ・ ・ 40 ・ ・ 42 φ 44- ・ 46 ・ φ 48 ・ ・ 50 φ ・S2 ・ ・ 54th 5G・Fist 80-1° device, 82-1.82-2...Memory, 84- ◆ -xspNwi. 30...Reading section, 32...Recording section, Figure 1 Principle of the Invention Figure 1 Figure 1 86 (Other station) 84 (IsD station) 80-1 (own station) 84 (IsDN station> 8O-2 (Agent Bureau)

Claims (1)

[Scope of Claims] Data receiving means (12) for receiving data from a data transmission line (10) via a first channel, received data storage means (14) in which received data is written, and a destination to which the received data is transferred. A forwarding destination registration means in which is registered in advance (
16), determining means (18) for determining whether or not there is a remaining capacity of the data storage means (14), and transmitting data to a registered transfer destination via a second channel when it is determined that there is no remaining storage capacity. A facsimile device comprising: a data transmitting means (20);