JP2000165636A - Communication terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a communication terminal such as a facsimile terminal that can relay or transfer image data optimally independently of the reception capability of itself. SOLUTION: This terminal 20 is a facsimile terminal having a relay multiple address distribution function that relays image data received by an instruction of a relay request device being a transmitter side to a prescribed relay distribution destination. A main control section 1 transmits a communication procedure signal including reception capability in excess of the reception capability of its own to the relay request device in the case of receiving image data from the relay request device. Concretely, the main control section 1 transmits a facsimile procedure signal (DIS signal) including the reception capability of a terminal of a relay distribution destination that is detected by making a call to the relay distribution destination to the relay request device when receiving the image data from the relay request device.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001] The present invention relates to a communication terminal device such as a facsimile device having a relay broadcast distribution function and an unattended transfer function.

[0002]

2. Description of the Related Art In a conventional relay broadcasting system of a facsimile relay network, as shown in FIG. Device 20a
And temporarily stores the image data in the image memory of the repeater, and then stores the stored image data in a facsimile machine 40-1 or 40-40 of a relay distribution destination registered in advance.
2, 40-3. This facsimile relay network
For example, in one company, corresponding to the head office, branch, and sales office,
By installing a relay requesting machine, a relay machine, and a terminal device of a relay distribution destination, facsimile communication is made more efficient and communication costs are reduced.

[0003]

However, in the conventional relay facsimile apparatus, the image quality desired by the operator of the relay requesting machine is limited to the terminal equipment of the final relay distribution destination due to the limited receiving capability of the relay machine. There was a problem that could not be sent.
In the conventional example, there is a facsimile apparatus that transmits data, ignoring the reception capability of the relay device, and the transmission is performed. However, the relay request device is not limited to such a device.

[0004] The same problem also occurs in the absence transfer in which the image data received in the absence is transferred.

An object of the present invention is to solve the above problems and to provide a communication terminal device such as a facsimile device capable of optimally relaying or transferring image data without being affected by its own reception capability. is there.

[0006]

According to a first aspect of the present invention, there is provided a communication terminal apparatus which relays image data received according to an instruction of a transmission source to a predetermined relay distribution destination; In a communication terminal device having at least one of a transfer function of receiving image data from the server and transferring the image data to a pre-registered transfer destination, a reception capability exceeding the reception capability of the transmission source when receiving image data from the transmission source Control means for transmitting a communication procedure signal including the following.

According to a second aspect of the present invention, there is provided a communication terminal apparatus which relays image data received according to an instruction from a transmission source to a predetermined relay distribution destination, and transmits image data from the transmission source. A communication terminal device having at least one of a transfer function of receiving and transferring to a pre-registered transfer destination transmits a communication procedure signal including a preset reception capability to the transmission source when receiving image data from the transmission source. A control means is provided.

[0008] Further, the communication terminal device according to claim 3 is
3. The communication terminal device according to claim 2, wherein the preset receiving capability is a receiving capability of a terminal of the relay distribution destination or the transfer destination detected by calling in advance to the relay distribution destination or the transfer destination. Features.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

<Embodiment> FIG. 1 is a block diagram showing a configuration of a facsimile apparatus 20 of a repeater having a relay broadcast distribution function according to an embodiment of the present invention. The facsimile apparatus 20 of this embodiment is a facsimile apparatus having a relay broadcast function of relaying image data received in accordance with an instruction from a relay requesting machine as a transmission source to a predetermined relay destination. When receiving image data from a relay requesting machine, a communication procedure signal including a receiving capability exceeding its own receiving capability is transmitted to the relay requesting machine. More specifically, when receiving image data from the relay requesting device, the main control unit 1 sends a call to the relay requesting device to the relay distribution destination in advance and detects the reception capability of the terminal of the relay distribution destination. Is transmitted (step S23 in FIG. 6).

In FIG. 1, a facsimile machine 20 comprises
It has a facsimile communication function of the conventional G3 system and the like, and a relay broadcasting function. The main control unit 1 is specifically constituted by a CPU, is connected to the following hardware units via a bus 13, controls them, and executes various software functions to be described later. The image reading unit 2 reads an original with a scanner using a CCD or the like, and outputs dot image data converted to binary black and white. The image recording unit 3 is a printer device of an electrophotographic system or the like, and prints out and records image data received from another facsimile device by facsimile communication as a hard copy. The display unit 4 is a display device such as a liquid crystal display (LCD) or a CRT display, and displays an operation state of the facsimile machine 20, and displays image data of a document to be transmitted and received image data. .

The operation unit 5 includes a character key, a dial numeric keypad necessary for operating the facsimile machine 20,
It has speed dial keys, one-touch dial keys, and various function keys. In addition, by making the above-mentioned display unit 4 a touch panel type, this operation unit 5
A part or all of the various keys may be substituted.

The ROM 6 stores in advance various software programs necessary for the operation of the facsimile machine 20 and executed by the main control unit 1. Here, the programs are stored in at least the relay distribution destination shown in FIG. 6 and the relay processing program of FIG. The RAM 7 is composed of an SRAM, a flash memory, or the like, and is used as a working area of the main control unit 1 and stores temporary data generated when a program is executed. When a flash memory is used as the RAM 7, even if the power is cut off due to a power failure, a movement of the apparatus, or the like, the contents of the data are not lost. The image memory 8 is composed of a DRAM or the like, and stores image data to be transmitted or received image data. Note that RA
The M7 and the image memory 8 may be constituted by a hard disk memory.

The fax modem 10 is connected to a public telephone line L
And demodulates the data of the outgoing telephone number information received as the FSK signal and outputs it to the main control unit 1. NCU (Network control circuit: Net
A work control unit 11 is a hardware circuit that performs a closing / opening operation such as a DC loop of the analog public telephone line L and has an automatic dial function. The fax modem 10 is connected to the public telephone line L as necessary. Connecting. Here, the NCU 11 detects an ID receiving terminal activation signal and a normal telephone call signal in the outgoing telephone number notification service, and transmits a primary response signal and a secondary response signal in the outgoing telephone number notification service as necessary. can do. In addition, the NCU 11 is connected to a digital line (for example, a baseband transmission system) via a predetermined terminal adapter and a DSU (Digital Service Unit).
(ISDN line).

The facsimile apparatus 20 of the present embodiment configured as described above has a relay broadcast function in addition to a normal facsimile communication function of the G3 system or the like. In the facsimile communication function, dot image data read by the image reading unit 2 is encoded by software in accordance with an encoding system such as MH, MR, MMR, etc. defined in the standard of facsimile communication, and then the other party's facsimile apparatus. On the other hand, the encoded data received from the other party's facsimile machine is also decoded into image data by software and output from the image recording unit 3 as a hard copy. The image memory 8 stores the image data as needed, and outputs the stored image data as needed.

The own-device receiving capability table 7a in the RAM 7 stores the following data of the own-device receiving capability. (A) the sub-scanning line density of the image recording unit 3, (b) the maximum paper width of the image recording unit 3, (c) the maximum length of the paper of the image recording unit 3, and (d) the receiving capability of the image memory 8 (specifically, More specifically, a storage capacity that can be used when receiving image data.)

FIG. 3 is a diagram showing an example of the relay destination table 7b in the RAM 7 of FIG. As is apparent from FIG. 3, the relay destination table 7b stores, for each relay distribution destination, data on the telephone number, the sub-scanning line density, the maximum paper width, and the maximum paper length, which are the receiving capabilities. .

FIG. 4 is a flowchart showing a process of setting the receiving capability of the relay distribution destination, which is executed by the main controller 1 of the facsimile machine 20 of FIG. In FIG. 4, first, it is determined in step S1 whether or not the relay reception capability setting mode is ON. If NO, the processes of steps S7 to S9 are executed according to a conventional method. That is, in step S7, the sub-scanning line density of the relay distribution destination is set and stored according to the receiving capability of the image recording unit 3 of the own device, and the relaying is performed according to the receiving capability of the image recording unit 3 of the own device in step S8. Set and store the maximum paper width of the distribution destination,
In step S9, after setting and storing the maximum length of the paper of the relay distribution destination according to the receiving capability of the image recording unit 3 of the own device, the process proceeds to step S10.

On the other hand, if YES in step S1, it is determined in step S2 whether or not the relay destination receiving capability detection mode is ON. If YES, the relay destination receiving capability setting shown in FIG. Execute processing and step S
Go to 10. If NO in step S2, step S
In step S4, the sub-scanning line density of the relay distribution destination is set and stored in accordance with the reception capability of the image memory 8 of the own device, and step S
In step S5, the maximum paper width of the relay distribution destination is set and stored in accordance with the reception capacity of the image memory 8 of the own apparatus, and in step S6, the maximum length of the paper of the relay distribution destination is adjusted in accordance with the reception capacity of the image memory 8 of the own apparatus. After setting and storing, step S
Go to 10. Then, in step S10, other parameters such as the communication speed are set, and the receiving capability setting process of the relay destination ends.

FIG. 5 is a flow chart showing the subroutine of FIG. 4 for the process of detecting and setting the reception capability of the relay destination. In FIG. 5, first, in step S11, RA
The sub-scanning line density, the maximum paper width, and the maximum paper length of the relay distribution destination are temporarily stored in the relay destination table 7b in the RAM 7 in accordance with the reception capability of the image recording unit 3 of the own device in the own device reception capability table 7a in M7. After setting and storing the information, step S
Proceed to 12. In step S12, a call is made by dialing the relay distribution destination, and in step S13, a DIS signal from the relay distribution destination is detected. Then, in step S14, it is determined whether the receiving capability included in the DIS signal is higher than the previously set receiving capability, and if YES, the receiving capability of the relay distribution destination is indicated by the DIS signal in step S15. A higher receiving capability is set and stored, and the process proceeds to step S16. On the other hand, if NO in step S14, the process proceeds to step S16. That is, the relay distribution destination remains set in step S11. In step S16, the line is released. In step S17, it is determined whether a call has been made to all relay distribution destinations. If NO, the process returns to step S12 to repeat the above processing. The process returns to step 4.

FIG. 6 is a flowchart showing the relay processing executed by the main controller 1 of the facsimile machine 20 of FIG. In FIG. 6, first, it is determined whether or not an incoming signal is detected in step S21, and the process of step S21 is repeated until YES is determined. When YES is determined, it is determined in step S22 whether or not the relay mode is ON. If the answer is YES, a DIS signal including the set receiving capability of the relay destination in the relay destination table 7b is transmitted in step S23, while if the answer is NO, step S2 is performed.
4, the image recording unit 3 in the own-device receiving capability table 7a
A DIS signal including the receiving capability of the DIS is transmitted. Next, in step S25, after receiving the relay image data from the relay requesting machine and storing it in the image memory 8, the line is opened in step S26.

Further, in step S27, a call is made by dialing the relay destination, and in step S28, a DIS signal is detected from the relay destination. Then, step S
29, the relay image data is read from the image memory 8, and in step S30, the read relay image data is converted into data in accordance with the reception capability in the relay destination table 7b and facsimile-transmitted.
The line is opened at. Then, in step S32, it is determined whether or not transmission has been performed to all relay distribution destinations.
If the answer is O, the process returns to step S27 to repeat the above processing. On the other hand, if YES in step S32, the relay process ends.

As described above, according to the present embodiment, the main control unit 1 communicates with the relay requesting machine at the time of receiving the image data from the relay requesting machine, including the receiving capability exceeding the receiving capability of the own device. Send a procedure signal. Therefore, when the received image data is relay-distributed, optimal facsimile transmission can be performed without being affected by the receiving capability of the own device, without deteriorating the image of the image data.

When receiving image data from the relay requesting machine, the main control unit 1 sends a facsimile procedure signal (DIS signal) including a receiving capability preset to the relay distribution destination to the relay requesting machine. Send out. Therefore, when the received image data is relay-distributed, facsimile transmission that is not affected by the receiving capability of the own device can be performed.

Further, the main control unit 1, upon receiving the image data from the relay requesting machine, gives the relay requesting machine a call to the relay delivery destination in advance and detects the receiving capability of the terminal of the relay delivery destination detected. A facsimile procedure signal (DIS signal) is transmitted (step S23 in FIG. 6). Therefore, when relaying the received image data, it is possible to automatically set the reception capability without deterioration of the image of the image data regardless of the reception capability of the own device, and to perform the optimal facsimile transmission. Can be.

<Modification> In the above embodiment, the facsimile apparatus 20 having a relay broadcast function has been described. However, the present invention is not limited to this, and is applied to a facsimile apparatus having an unattended facsimile transfer function. can do. That is, at the time of facsimile transmission during absence, the main control unit 1 may transmit a communication procedure signal including a receiving capability exceeding its own receiving capability to the transmission source when receiving image data from the transmission source. Therefore, when the received image data is transferred, it is possible to perform the optimal facsimile transmission without being affected by the receiving capability of the own device and without deteriorating the image of the image data.

When receiving image data from the transmission source, the main control unit 1 sends a facsimile procedure signal (DIS) including reception capability preset to the transmission destination to the transmission destination.
Signal). Therefore, when the received image data is transferred, facsimile transmission that is not affected by the receiving capability of the own device can be performed.

Further, the main control unit 1 transmits a facsimile procedure signal including the reception capability of the terminal of the transfer destination detected by calling the transfer destination in advance when receiving the image data from the transmission source. (DIS signal). Therefore, when the received image data is transferred, it is possible to automatically set a receiving capability that does not depend on the receiving capability of the own device and that does not degrade the image of the image data, and perform optimal facsimile transmission. it can.

In the above embodiment, an example of the facsimile apparatus 20 has been described. However, the present invention is not limited to this, and is, for example, a data communication apparatus connected to a public network such as a public telephone network or a public digital network. The present invention can be applied to communication terminal devices including the above.

[0030]

As described above in detail, according to the communication terminal device of the first aspect of the present invention, a relay broadcast distribution function of relaying image data received according to an instruction of a transmission source to a predetermined relay distribution destination. And a communication terminal device having at least one of a transfer function of receiving image data from a transmission source and transferring the image data from a transmission source to a pre-registered transmission destination. And control means for transmitting a communication procedure signal including a reception capability exceeding the communication procedure. Therefore, when the received image data is relayed or transferred,
Optimum image data transmission can be performed without being affected by the reception capability of the own device and without deterioration of the image of the image data.

According to the communication terminal device of the second aspect of the present invention, a relay broadcast distribution function of relaying image data received according to an instruction of a transmission source to a predetermined relay distribution destination;
A communication terminal device having at least one of a transfer function of receiving image data from a transmission source and transferring the image data to a pre-registered destination includes a reception capability preset for the transmission source when receiving image data from the transmission source. Control means for transmitting a communication procedure signal is provided. Therefore, when the received image data is relayed or transferred, the image data can be transmitted without being affected by the receiving capability of the own device.

Further, according to the communication terminal device of the third aspect, in the communication terminal device of the second aspect, the preset receiving capability is determined by making a call to a relay distribution destination or a transfer destination in advance. This is the reception capability of the detected relay distribution destination or transfer destination terminal. Therefore, when the received image data is relayed or transferred, it is possible to automatically set the reception capability without deterioration of the image of the image data regardless of the reception capability of the own device, and to transmit the optimal image data. Can be performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a facsimile apparatus 20 of a repeater having a relay broadcast function, which is an embodiment according to the present invention.

FIG. 2 is a block diagram showing a relay broadcast distribution system of a conventional facsimile relay network.

FIG. 3 is a diagram showing an example of a relay destination table 7b in a RAM 7 of FIG.

FIG. 4 is a flowchart showing a process of setting a reception capability of a relay distribution destination performed by the main control unit 1 of the facsimile machine 20 of FIG. 1;

FIG. 5 is a flowchart illustrating a reception capability detection setting process of a relay distribution destination, which is a subroutine of FIG. 4;

FIG. 6 is a flowchart showing a relay process executed by the main control unit 1 of the facsimile machine 20 of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Main control part, 6 ... ROM, 7 ... RAM, 7a ... Own machine reception capability table, 7b ... Relay destination table, 8 ... Image memory, 10 ... Fax modem, 11 ... NCU, 13 ... Bus, 20, 20a ... Facsimile machine of relay machine, 30: Facsimile machine of relay request machine, 40-1, 40-2, 40-3: Facsimile machine of relay distribution destination, L: Public telephone line.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) H04N 1/00 104 F term (reference) 5C062 AA02 AB38 AC38 AC43 AC58 AE14 BC01 5C075 BA09 CA14 CD07 CD25 DD04 FF02 FF90 5K030 GA08 HA07 HB04 JA11 JL07 JT05 KA04 LB05 LD05 5K101 KK01 NN22 RR18 RR19

Claims (3)

[Claims] 1. A relay broadcasting function for relaying image data received according to an instruction from a transmission source to a predetermined relay distribution destination, and a transfer function for receiving image data from a transmission source and transferring the image data to a pre-registered transmission destination. The communication terminal device having at least one of the above, further comprising a control unit for transmitting a communication procedure signal including a reception capability exceeding the reception capability of the own device to the transmission source when receiving image data from the transmission source. Communication terminal device. 2. A relay broadcasting function for relaying image data received according to an instruction from a transmission source to a predetermined relay distribution destination, and a transfer function for receiving image data from a transmission source and transferring the image data to a pre-registered destination. A communication terminal device having at least one of the above, further comprising a control unit for transmitting a communication procedure signal including a preset reception capability to the transmission source when receiving image data from the transmission source. 3. The pre-set receiving capability is a receiving capability of a terminal of a relay distribution destination or a transfer destination detected by calling a relay distribution destination or a transfer destination in advance. 3. The communication terminal device according to 2.