JPH03192962A - Facsimile receiving device and transmitting device - Google Patents

Abstract

PURPOSE:To reduce communication cost required for transfer, and besides, to prevent the deterioration of a picture by transferring the picture from a facsimile transmitting device directly to a transferring destination to which the picture is to be transferred not by transferring the picture through a facsimile receiving device. CONSTITUTION:A picture communication device is provided with a CPU1, a ROM 1a, a RAM 1b, a picture reading part 2, a picture storage part 3, an operating panel 4, a MODEM 5, and an NCU 6. Here, in the facsimile receiving device, when an originating call to aim facsimile transmission is received after a transfer mode and a picture transferring destination are set by receiving a prescribed control signal, communication is finished after transmitting the originating call information of the transferring destination to an opposite station by a prescribed facsimile procedure signal. Thus, a communication charge required for the whole transfer of the picture is reduced, and possibility that picture quality is deteriorated is removed as well.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a facsimile receiving bag@ and a facsimile transmitting device, particularly a transfer function that allows received image data to be transferred to another device by receiving a predetermined control signal. The present invention relates to a facsimile receiving device having a facsimile receiving device, and a facsimile transmitting device that transmits manually input image information to a partner station.

[Prior art 1] Conventionally, a facsimile machine receives a DTMF signal from another communication terminal such as a telephone or a facsimile machine.
A device is known that performs predetermined communication control depending on the content of this signal. For example, from a telephone to a device,
A method is known in which a suitable command is sent using a TMF signal, image data subsequently received is transferred to another facsimile machine in accordance with the command, and the image data is obtained at a location different from that of the facsimile machine.

Figure 7 shows the state of communication during conventional image transfer.
In the figure, the device on the right receives the DTMF signal in advance,
As shown in FIG. 1, which is a device that transfers images in response to the command, the receiver Rxl that receives the discharge from the transmitter Txl on the left side of the diagram receives image data in the same procedure as usual during period t1. That is, the pre-communication procedure is performed during the period pt, image data is received during the period P2, and the pre-communication procedure is performed during the period pt.
In step 3, perform the post-communication procedure and disconnect the line. The image information received at this time is stored in an image memory or the like.

The receiving device t RX 1 then functions as the transmitting device Tx2. That is, the partner station included in the command by the DTMF signal is dialed, and then the period t2 (period PI
', P2 'P3'), the image data received in the memory in the above procedure is transferred to the set transfer destination.

The time required to transfer the image data is jl+t,2, so the communication time is twice as long as normal, and since the line connection is made twice, the communication cost is also twice as high.

[Problems to be Solved by the Invention] However, in the conventional example described in (b), when the transfer of image information is instructed by a DTMF signal, the transfer is performed after two communications: actual image reception and image transfer to another location. In order to
The communication charges required for the entire image transfer will be doubled.

Furthermore, since the chances of modulation/demodulation and noise mixing in the line during the communication are doubled, the image quality may deteriorate.

An object of the present invention is to solve the above problems.

[Means for Solving the Problems 1] In order to solve the above problems, the present invention provides a facsimile receiving device having a transfer function of transmitting received image data to another device by receiving a predetermined control signal. , when a call is received for the purpose of facsimile transmission after the transfer mode and image transfer destination are set by receiving a predetermined control signal, the call information of the transfer destination is transmitted using a predetermined facsimile procedure signal. If the facsimile transmitter that sends the input image information to the other party ends the communication, or calls the facsimile receiver that transmits the input image information to the other party, the facsimile receiver is in transfer mode and the destination When the facsimile receiving device transmits calling information, the facsimile receiving device interrupts communication to the facsimile receiving device, calls the received transfer destination, and transmits the image information to be transmitted.

[Operation] According to the above configuration, after the transfer mode and image transfer destination are set for the facsimile receiving device by a predetermined control signal, the receiving device receives an outgoing message from the facsimile transmitting device for the purpose of facsimile transmission. If you receive a call,
The facsimile receiving device transmits the call information of the image transfer destination to the facsimile transmitting device using a predetermined facsimile procedure signal, and then ends the communication, and then the facsimile transmitting device transmits the image received by the facsimile procedure signal. The image information to be transmitted is transmitted using the call information of the transfer destination.

[Example 1] Hereinafter, the present invention will be described in detail based on an example shown in the drawings.

FIG. 1 shows the structure of an image communication device adopting the present invention.

The CPU is connected to a ROM 1a and a RAM 1b as a work area, and controls the operation of the entire device according to a program stored in the ROM 1a. The ROM 1a stores the control program for the CPU 1, and the RAM 1b is used as a work area for the CPU 1. However, the RAM 1b stores call information such as the telephone number of the image transfer destination in the control described later. A memory area 120 is set for the purpose.

The following components are connected to a system bus consisting of an address bus, a data bus, etc. of the CPU 1.

The image reading section 2 includes a CCD line sensor, a document conveyance system, and the like, and is used to read document images.

The image recording section 3 is comprised of a thermal recording head, a recording paper conveyance system, and the like, and is used to record received images or images read by the image reading section 2 during original copying.

The operation panel 4 is for a user interface and is composed of an LCD display and a keyboard such as a numeric keypad and function keys.

The modem 5 modulates and demodulates image data and procedure signals, and is connected to the circuit 11N via the NCU 6. N.C.
U6 performs loop maintenance and line exchange with a telephone (not shown).

Next, the operation in the configuration L will be explained.

2 and 3 show communication procedures between the devices shown in FIG. 1. Fig. 3 shows the device shown in Fig. 1 that performs image transfer, and shows communication when specifying a transfer destination using a DTMF signal for this device, and Fig. 2 shows the state of actual transfer communication. There is.

In FIG. 3, reference numeral Rx is the device shown in FIG. 1, which in this case is a device that performs image transfer. If the owner of this device wants to transfer images from outside to a predetermined location, first
At H, dial the telephone number of this device Rx.

After that, during the period ptz, the device@Rx receives the CED signal and N5F (non-standard equipment)/C3l (receiving station identification)/DIS (digital identification) in the same way as normal facsimile reception.
Send a signal. In response to this, the owner of the facsimile device transmits DTMF signal data using the numeric keypad of the telephone during period p13.

Here, we will introduce the DTM corresponding to the command for image transfer.
Send data using the F signal and data specifying the forwarding destination's telephone number, etc. At p14 during ttll1, the device Rx sends a predetermined response tone to the line and ends the command reception process. The forwarding destination telephone number data received here is stored in the memory area 120.

After the above-described command setting is performed, actual transfer is performed according to the procedure shown in FIG. In Figure 2, T
It is assumed that xl is a facsimile device that calls the device Rx shown in FIG. 3 for the purpose of facsimile transmission with the above-mentioned command setting, and this device also has the configuration shown in FIG. Further, in FIG. 2, Rxl is the device Rx on which the command setting shown in FIG. 3 has been performed.

In FIG. 2, when the device Rxl is called by Txl, the CED signal and the NSF/C
5I/DIS signal is transmitted. If already set to transfer mode, device Rxl sends an NSF signal that the device is in transfer mode and the transfer destination telephone number information. At this time, the facsimile information field of the NSF signal is used to transmit this information.

On the other hand, by analyzing the contents of this NSF signal, device Txl identifies that device Rxl is the same device as device 0 and that it is set in transfer mode. Equipment Tx
After l stores the forwarding destination telephone number included in the NSF signal in the memory area 120, NSS (
A non-standard device setting)/TSI (transmitting station identification)/DC3 (digital command) signal is transmitted to end the communication with the device Rxl.

After that, the device Txl is the device Rx2 set as the transfer destination.
is dialed using the telephone number stored in the memory area 120, and the image data to be transferred to the device Rxl is transmitted to the device Rx2. Transmission to the device fi Rx 2 consists of a pre-communication procedure in period p16, image transmission and reception in period p17, and a post-communication procedure in period p18. This transmission/reception process is similar to that of conventional facsimile communication.

By performing the above processing, the communication times required for actual transfer become t, 1', and tl. tl '+t2 is clearly tl +t2 in FIG.
, the communication cost required for the entire transfer is significantly reduced. The load on the device Txl is reduced by the exchange of NSF and NSS signals, which takes a much shorter time (tl'') than conventional communication, and because the number of times the transferred image passes through the line is reduced, compared to conventional communication. There is no risk of image quality deterioration as in .

Next, in FIGS. 4 to 6, the device shown in FIG.
c P [ when functioning as (Rx) and Txl
The control procedure for Jl will be shown below. These steps are performed by R.O.
It is stored in Mla as a CPLJI control procedure.

FIG. 4 shows the control procedure when the devices Rx and Rxl in FIGS.
Turn on the L relay and connect the device to the circuit.

After that, in steps S3 and S4, the CED signal and the NSF
/C5I/D [Sends S signal. Step S4
FIG. 6 shows the procedure for transmitting the NSF signal.

In step 530 of FIG. 6, the device is in transfer mode;
It is also determined whether the transfer destination telephone number is stored in the memory area 120. If step 530 is affirmed, the transfer destination telephone number data is stored in the facsimile field of the NSF signal in 531, and the NSF signal is sent out in S32. After that, in steps S33 and S34, CSt
and DIS signals respectively.

Referring again to FIG. 4, in step S5 it is determined whether a DTMF signal has been received. If the DTMF signal is being received, the process moves to step Stt; if not, the process moves to S6. In step Sll, the DTMF signal is received, and its contents are stored in the buffer of RAMIb in step S12.

Here, it is assumed that the owner of the device uses a telephone or the like from outside the home to correctly shift to the transfer mode and specify the transfer destination using a DTMF signal. The designation of the transfer mode and the transmission of the transfer destination telephone number using a DTMF signal are performed in the same manner as in the past.In this case, ID information or the like may be transmitted and received to protect the confidentiality of the image data.

If the transfer mode is specified correctly, proceed to step 5.
At S13, a predetermined response sound is transmitted via the modem 5 and NCU6, and at S14, the CML relay of NCU6 is cut off, and S
At step 15, perform various setting processes to return to the standby state, and at step 5
Returns to standby state at 16.

On the other hand, if the DTMF tM signal is not received in step S5, the NSF/FtM signal sent earlier is received in step S6.
Check whether a response signal to the C5I/DIS signal has been received. If a response signal is received, the process moves to step S7. If no response signal is received, normal facsimile processing may be performed thereafter.

In step S7, it is determined whether the device is in transfer mode. If step S11.512 has already been passed and the transfer mode has been set, the process moves to S9, where the data analysis of the NSS/TS I/DC5 signal of the other station is performed, and the DCN signal is sent at S10. The communication is then terminated in step 514. Note that if direct transfer from the partner station is not possible, such as when the partner station rejects the transfer as a result of signal analysis in step S9, normal facsimile reception may be performed.

If the transfer mode is not set in step S7, S
At step 8, normal facsimile reception is performed and the process moves to S14.

On the other hand, FIG. 5 shows a communication procedure when the device in FIG. 1 functions as the device Txl in FIG. 2.

First, in step 520, after performing a predetermined initialization process, dialing of the desired partner station is performed in step S21. This dialing is the first dialing in FIG. 2, and calls the device Rxl in FIG. It is for. Thereafter, in step S22, it is determined whether the NSF/C5I/DIS signal of the partner station has been received.

If step S22 is denied, a CNG signal is transmitted in 328, and it is determined in 2S29 whether a predetermined initial identification time has elapsed, and if the initial identification time has not ended, S
The process of returning to step S22 is repeated, and when the initial period of time has elapsed, the process returns to the standby state in step S30.

If the NSF/C3I/D t S signal is received in step S22, the process moves to S23 and the other station (in FIG. 2, R
x1) is in transfer mode. This determination is based on the NSF signal received in step S22 (in which the forwarding destination telephone number etc. are stored according to the procedure shown in FIG. 6).
This is done by analyzing the Furthermore, if the NSF signal contains a telephone number of the transfer destination, etc., this is stored in the memory area 120.

If it is determined in step S23 that the other station is in transfer mode, the process moves to S31, and N S S/TSr/
After sending the DC5 signal, disconnect the line.

In step S32, the telephone number information of the forwarding destination received by the NSF signal is transferred from the memory area 120 to the dial buffer, and in S33, this partner station is dialed, and in S22
Return to step 6 If the other station is not in the transfer mode in step S23, G performs normal facsimile transmission processing in S24, and then returns to step S2.
After disconnecting the line in step 5, various settings for returning to the standby state are performed in step 526, and the return to the standby state is performed in step S27.

In the transmission process to Rx2 in FIG. 2, step S23 is denied, and in S24 the image information that was originally intended to be transmitted to device Rxl is transmitted.

In addition, in the procedure shown in Fig. 3, when the receiving side instructs the sending side as to the forwarding destination, it is possible to specify not one but multiple candidates, so that if the forwarding destination phone is busy, the second candidate will be selected. It can also be configured to dial.

In this embodiment, the receiving device that instructs the transmitting device to transfer always inputs call information of a plurality of transfer destinations into the NSF signal. When the device Rx1 (hereinafter the same reference numerals as in the above embodiments are used) receives a call, it sends the NSF signal to the destination device Rx2. R
x3 and Rx4 call information is stored and the transfer mode is displayed. Therefore, if device T x 1 dials device Rx2 and is busy, device T x 1 uses the calling information obtained by the NSF signal to dial device Rx3. Dial Rx4 one after another,
If there is a destination that is not currently being spoken, the facsimile is sent to that destination.

In addition, you can not only instruct the forwarding destination to the office facsimile machine from outside using the DTMF signal (but also set the forwarding destination from the operation panel 4 of the device just before going out, and then transfer from the outside DTMF ahead
It may also be configured to be rewritten by a signal, which further improves usability.

In such a configuration, especially in a configuration where the transfer destination is specified only from the operation panel 4, the process in FIG. 3 is omitted, and the process in FIG.
The processing in steps S5→Sll to S13 in the figure can be deleted. However, instead of this, for example, it is detected by pressing a key on the operation panel 4 that the user presses a predetermined key on the operation panel 4 to enter the transfer number registration mode,
It is necessary to add control to perform the registration operation while displaying the registration information on the display of the operation panel to the key manual control.

Furthermore, in order to configure a configuration in which the transfer destination can be changed using a DTMF signal from outside, the processes of steps 85 to S13 in FIG. 3 and FIG. 4 of section E, which have been deleted, are also required.

[Effects of the Invention] As is clear from the following, according to the present invention, in a facsimile receiving device having a transfer function of transferring received image data to another device by receiving a predetermined control @ signal, When a call is received for the purpose of facsimile transmission after the transfer mode and image transfer destination are set by receiving a predetermined control signal, the call information of the transfer destination is transmitted to the other party's station using a predetermined facsimile procedure signal. Or, if the facsimile transmitting device that sends the input image information to the destination station calls the facsimile receiving device, the facsimile receiving device is in transfer mode and the destination station is calling. When the facsimile transmitting device transmits call information, the facsimile transmitting device interrupts communication to the facsimile receiving device, calls the received transfer destination, and transmits the image information to be transmitted. Rather than transferring images via a facsimile receiving device, images can be transferred directly to the destination, reducing communication costs required for transfer and preventing image deterioration. It has a positive effect.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of a facsimile device adopting the present invention, FIGS. 2 and 3 are explanatory diagrams showing the transfer procedure in the device shown in FIG. 1, and FIGS. FIG. 7 is a flowchart showing the transfer control procedure in the apparatus shown in FIG. 7, and FIG. 7 is an explanatory diagram showing the transfer procedure in the conventional facsimile machine.

Claims (1)

[Claims] 1) In a facsimile receiving device having a transfer function of transmitting received image data to another device by receiving a predetermined control signal, the transfer mode and image data can be changed by receiving a predetermined control signal. If a call is received for the purpose of facsimile transmission after a transfer destination has been set, the communication is terminated after transmitting call information of the transfer destination to the other party using a predetermined facsimile procedure signal. Facsimile receiving device. 2) When a facsimile transmitting device that transmits the input image information to the other party makes a call to the facsimile receiving device.If the facsimile receiving device is in transfer mode and sends the call information of the forwarding destination. A facsimile transmitting device that interrupts communication with the facsimile receiving device, calls a received transfer destination, and transmits image information to be transmitted.