JP7192598B2 - Image communication device, image communication method, and program - Google Patents

Description

The present invention relates to an image communication device, an image communication method, and a program.

Conventionally, when transmitting non-standard images, the ITU-T Recommendation has enabled communication between different models by executing communication using highly versatile standard procedures without using non-standard procedures. 2. Description of the Related Art Image communication methods and devices capable of performing image communication corresponding to images are known.
In such an image communication method and apparatus, when transmitting an image with attributes not specified in the ITU-T Recommendation, the first image specified in the ITU-T Recommendation is used regardless of the attributes of the image data to be transmitted. A control means is provided for controlling the transmission of image data by causing the reception command sending means to send a reception command including the attribute and causing the attribute sending means to send information including the second image attribute.

As an example of such a conventional image communication method and apparatus, Patent Document 1 is known.
In Patent Document 1, when transmitting non-standard images according to the ITU-T recommendations, communication between different models is facilitated by executing communication according to highly versatile standard procedures without using non-standard procedures. A technology of an image communication method and apparatus capable of performing image communication corresponding to various images is disclosed.

Specifically, in Patent Document 1, when transmitting an image with an attribute not specified by the ITU-T Recommendation, the first image attribute specified by the ITU-T Recommendation is used regardless of the attribute of the image to be transmitted. In the phase of transmitting the image after transmitting the receiving command, information (header) including the second image attribute of the image to be transmitted is transmitted, and the image is transmitted with this second image attribute. When transmitting, images with non-standard image attributes according to the ITU-T Recommendation are transmitted using the Binary File Transfer (BFT) communication procedure following the first communication procedure specified in the ITU-T Recommendation. can be sent.

However, although it is possible to transmit an image that violates the ITU-T Recommendation, there is a problem that an error occurs due to the violation of the ITU-T Recommendation on the receiver side that receives the image.

SUMMARY OF THE INVENTION The present invention has been made in view of the above, and its object is to reduce the risk of errors due to the reception of images that violate the ITU-T Recommendations.

In order to solve the above problems, the invention according to claim 1 is an image communication apparatus for communicating image data in conformity with ITU-T recommendations, wherein the image data is received from a partner device, and the image data is sent to the partner device. facsimile receiving means for notifying the compression type of the reception capability notification, facsimile transmitting means for transmitting image data, and detecting whether or not the image data received by the facsimile receiving means violates the ITU-T Recommendation. Recommendation violation detecting means, a receiver that associates a facsimile number received from the other party's machine after the facsimile transmitting means has originated a call, and the identification information that identifies the other party's machine and is different from the facsimile number. management means for storing, in a storage means, destination information and recommendation violation management information in which detection results by the recommendation violation detection means are associated with the identification information; compression type setting means for setting the compression type of the reception capability notification to be notified to the machine to the MH system with the lowest possibility of violating the recommendation , and the facsimile receiving means is configured to set the MH system. is notified to the counterpart machine .

According to the present invention, by registering identification information that violates the ITU-T recommendations and notifying the compression method (MH) that is least likely to violate the recommendations when receiving the identification information, normal communication can be performed. It is to improve communication efficiency by prompting.

1 is a block diagram showing the hardware configuration of a facsimile machine according to a first embodiment of the present invention; FIG. 3 is a functional block diagram of a communication control section of the facsimile apparatus according to the first embodiment of the present invention; FIG. FIG. 4 is a diagram showing a receiving/destination table and a recommendation violation management table of a storage unit according to the first embodiment of the present invention, where (a) shows the reception/destination table, and (b) shows an initial state of the recommendation violation management table; (c) is a diagram when the recommendation violation management table is updated. FIG. 10 is a diagram of a recommendation violation management table in a storage unit according to the second embodiment of the present invention; FIG. 12A is a diagram of a recommendation violation management table in a storage unit according to the third embodiment of the present invention, where (a) is a diagram before updating and (b) is a diagram after updating; FIG. 11 is a schematic transmission/reception operation sequence diagram in each step of the facsimile apparatus according to the third embodiment of the present invention; FIG. 10 is a detailed transmission/reception operation sequence diagram in each step of the facsimile apparatus according to the third embodiment of the present invention; 14 is a flow chart of detailed transmission/reception operations of the facsimile apparatus according to the third embodiment of the present invention;

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in detail with reference to embodiments shown in the drawings.
According to the present invention, by registering identification information that violates the ITU-T recommendations and notifying the compression scheme (MH) that is least likely to violate the recommendations when received with the identification information. , has the following configuration in order to promote normal communication and improve communication efficiency.

That is, the image communication apparatus of the present invention is an image communication apparatus for communicating image data in conformity with the ITU-T Recommendation, comprising facsimile receiving means for receiving image data, facsimile transmitting means for transmitting image data, Recommendation violation detecting means for detecting whether or not image data received by facsimile receiving means violates the ITU-T recommendations; a management means for storing, in a storage means, reception destination information associated with identification information that is different from a facsimile number and recommendation violation management information associated with the identification information detected by the recommendation violation detection means; , based on the receiving destination information and the recommendation violation management information, the compression type of the receiving capability notification to be notified to the other party is changed from a preset first compression type to another compression type different from the first compression type. and compression type setting means for changing.
By providing the above configuration, by registering identification information that violates the ITU-T recommendations and notifying the compression method (MH) that is least likely to violate the recommendations when receiving the identification information, normal It is possible to promote communication and improve communication efficiency.
The features of the present invention described above will be described in detail below with reference to the drawings.

<First Embodiment>
<Hardware Configuration of Facsimile Device>
FIG. 1 is a block diagram showing the hardware configuration of a facsimile machine according to the first embodiment of the present invention.
The facsimile device 1 includes a control section 3 , an operation display section 5 , a document reading section 7 , an image printing section 9 and a modem 11 . Modem 11 is connected to public line 13 .

The control unit 3 includes a CPU (Central Processing Unit) 21, a ROM (Read Only Memory) 15, a RAM (Random Access Memory) 17, a communication control unit 19, a non-volatile memory 23, etc. in order to control the entire facsimile apparatus 1. I have.
The ROM 15 stores the basic program of the facsimile machine 1, programs such as the image communication control program of the present invention, system data, etc. The RAM 17 is used as a work memory for the CPU 21. FIG.

The CPU 21 uses the RAM 17 as a work memory based on the programs in the ROM 15 to control each part of the facsimile machine 1, execute basic processing as the facsimile machine 1, and execute image communication control processing of the present invention. .

That is, the facsimile machine 1 stores programs, system data, etc. in ROM, EEPROM (Electrically Erasable and Programmable Read Only Memory), EPROM, flash memory, flexible disk, CD-ROM (Compact Disc Read Only Memory), CD-RW (Compact Disc Rewritable), DVD (Digital Versatile Disk), SD (Secure Digital) card, MO (Magneto-Optical Disc), or other computer-readable recording medium.

The nonvolatile memory 23 is, for example, an NVRAM (Non Volatile RAM) or the like, and stores data that must be stored even when the facsimile machine 1 is powered off. In particular, the nonvolatile memory 23 stores various data used in the image communication control processing of the present invention.

By loading the image communication control program related to the image communication method of the present invention in the ROM or the like provided in the control unit 3, the facsimile apparatus 1 is constructed for executing the image communication control method described later. This image communication control program is a computer-executable program written in a legacy programming language such as assembler, C, C++, C#, Java (registered trademark), an object-oriented programming language, or the like, and is stored in the recording medium. can be distributed by

Each function of the embodiments described above may be implemented by one or more processing circuits. Here, the "processing circuit" in this specification means a processor programmed by software to perform each function, such as a processor implemented by an electronic circuit, or a processor designed to perform each function described above. Devices such as ASICs (Application Specific Integrated Circuits), DSPs (digital signal processors), FPGAs (field programmable gate arrays) and conventional circuit modules are included.

The communication control section 19 controls transmission and reception of the facsimile machine 1 based on the setting values of the setting items set by the control section 31 (FIG. 2).

The operation display unit 5 transmits a dial number to the receiving side and displays operation contents and the like.
The document reading unit 7 scans the document and encodes the document image by an imaging device such as a CCD through an optical system.

The image printing unit 9 combines the image data received from the transmission side and prints them on recording paper.
The modem 11 modulates an analog signal into a digital signal for transmission, and also demodulates the analog signal from the public line 57 into a digital signal for reception.

<Functional block diagram of communication control section of facsimile device>
FIG. 2 is a functional block diagram of the communication control section of the facsimile apparatus according to the first embodiment of the present invention.
The communication control section 19 includes a control section 21 , a facsimile receiving section 33 , a facsimile transmitting section 35 , a management section 36 , a storage section 37 , a recommendation violation detection section 39 and a compression type setting section 41 .
The controller 3 is as explained in FIG.

The facsimile reception unit 33 controls reception of image data.
The facsimile transmission unit 35 conforms to ITU-T T. 4 is transmitted.

The management unit 36 includes reception and transmission destination information in which the facsimile number received from the other party after the call operation by the facsimile transmission unit 35 is associated with identification information that identifies the other party and is different from the facsimile number, and The storage unit 37 stores recommendation violation management information in which the detection result by the recommendation violation detection unit 39 is associated with the identification information.
The storage unit 37 stores a destination table 67 in which the facsimile number and manufacturer code (identification information) transmitted from the other party after the facsimile transmission unit 35 makes a call are stored in association with each other, and the detection of the recommendation violation detection unit 39. It has a recommendation violation management table 69 that stores results in association with manufacturer codes (identification information).

The recommendation violation detection unit 39 detects whether or not the image data received by the facsimile reception unit 33 violates the ITU-T recommendations.

When the recommendation violation detection unit 39 detects that the received image data violates the ITU-T recommendations, the compression type setting unit 41 sets the compression type to be notified in the reception capability notification to the MH method.

<Structure of Storage Unit of Facsimile Machine>
<First embodiment>
3A and 3B are diagrams showing a receiving/destination table and a recommendation violation management table of the storage unit according to the first embodiment of the present invention. FIG. 3(a) shows the reception/destination table, and FIG. , and (c) is a diagram when the recommendation violation management table is updated.

The receiving and transmitting destination table 67 in FIG. 3A is composed of a "FAX number" column 61 and a "manufacturer code" column 63, and one "fax number" is associated with one "manufacturer code". . That is, since the "fax number" (XXX-XXX-XXXX) and "manufacturer code" of the other party's machine are sent in the receiving capability notification sent from the other party's machine after calling, the data are registered. In the figure, companies A to C are registered as an example.

The recommendation violation management table 69a of FIG. 3B is composed of a "manufacturer code" column 63 and a "recommendation violation" column 65, and the presence or absence of one "recommendation violation" is associated with one "manufacturer code". there is That is, "NO" is registered as an initial value for all "recommendation violations" at the reception capability notification sent from the other party's machine after calling.

In the recommendation violation management table shown in FIG. 3(c), the results of detection by the recommendation violation detection unit 39 of the image data transmitted from the other party at the time of the first reception are registered in the "recommendation violation" column 65. FIG. That is, the "manufacturer code" company A's "recommendation violation" is "YES", the "manufacturer code" company B's "recommendation violation" is "NO", and the "manufacturer code" company C's "recommendation violation" is "YES". Registered.
Note that identification information such as manufacturer, model series code, and model number may be used instead of the manufacturer code.

<Structure of Storage Unit of Facsimile Machine>
<Second embodiment>
FIG. 4 is a diagram of a recommendation violation management table in a storage unit according to the second embodiment of the present invention.
The recommendation violation management table 69b according to the second embodiment includes a "manufacturer code" column 71, a "recommendation violation" column 73, and a "recommendation violation compression method" column 75. " is associated with one or more "non-recommended compression schemes" (YES/NO).

In this example, the "recommendation violation" of "manufacturer code" company A is "YES", the "recommendation violation compression method" is "JBIG, MR", and the "recommendation violation" of "manufacturer code" company B is "NO". Nothing is registered in "Recommendation Violation Compression Method". "YES" is registered for the "recommendation violation" of the "manufacturer code" company C, and "JBIG" is registered for the "recommendation violation compression method".

That is, when it is determined that the recommendation is violated, the compression method to be determined is also registered in association with the manufacturer code. Also, if there are multiple compression methods, the multiple compression methods are registered. In addition, in the capability notification at the time of facsimile reception, a plurality of compression methods are normally notified to the other party's machine. do.

In this example, among the compression methods JBIG, MMR, MR, and MH, when receiving from a device of company A, MMR and MH excluding JBIG and MR are notified, and when receiving from a device of company C, JBIG Notify MMR, MR, and MH except for

<Structure of Storage Unit of Facsimile Device>
<Third Embodiment>
FIG. 5 is a diagram of a recommendation violation management table in a storage unit according to the third embodiment of the present invention, where (a) is a diagram before updating and (b) is a diagram after updating.
The recommendation violation management table 69c according to the third embodiment is obtained by adding an "update date" column 77 to the recommendation violation management table 69b according to the second embodiment shown in FIG.

In FIG. 5(a), "manufacturer code" of company A has "recommendation violation" of "YES", "recommendation violation compression method" of "JBIG, MR", "update date" of "2019/05/01", Since the "recommendation violation" of "manufacturer code" company B is "NO", nothing is registered in the "recommendation violation compression method" and "update date". "Manufacturer Code" Company C's "Recommendation Violation" is registered as "YES", "Recommendation Violation Compression Method" as "JBIG", and "Renewal Date" as "2018/12/01".

In FIG. 5(b), "manufacturer code" of company A has "recommendation violation" of "YES", "recommendation violation compression method" of "JBIG, MR", "update date" of "2019/05/01", Since the "recommendation violation" of "manufacturer code" company B is "NO", nothing is registered in the "recommendation violation compression method" and "update date". "Manufacturer Code" Company C's "Recommendation Violation" was changed from "YES" to "NO", so "Recommendation Violation Compression Method" was deleted. It has been updated to "2019/01/01".

In this embodiment, a case where the "recommendation violation" of company C is canceled will be described.
That is, even if the violation of the recommendation is canceled after the violation of the recommendation is registered, the violation of the recommendation remains. be set.

When the threshold period has passed since the registration, the recommendation violation of company C is reset to "No" as shown in FIG. 5(b). As a result, it is possible to prevent the "recommendation violation" item from remaining at "YES" all the time when the counterparty of company C is no longer in violation of the recommendation.
It should be noted that an "update date" may be provided for each "recommendation violation compression method". In this case, when a particular compression method no longer violates recommendations, that compression method is removed from the table.

<Schematic diagram of transmission/reception operation sequence of facsimile device>
FIG. 6 is a schematic transmission/reception operation sequence diagram in each step of the facsimile apparatus according to the third embodiment of the present invention. In the drawing, a device equipped with the present invention (hereinafter referred to as a loaded device) 100 and a destination FAX device (hereinafter referred to as a destination device) 110 will be described with reference to FIGS. 3 to 5 as well.

In step S1 of the transmission operation "STEP1", the on-board device 100 calls the destination device 110 with the calling number (XXX-XXX-XXXX).
In step S3, the partner machine 110 receives the calling number.
In step S5, when the partner machine 110 confirms the incoming call, it notifies the mounted machine 100 of the receiving capability notification (including the manufacturer code and the FAX number).
In step S7, the management unit 36 registers the FAX number in the FAX number column 61 and the maker code in the maker code column 63 of the destination table 67 of FIG.

In step S9, the loading device 100 notifies the counterpart device 110 of the transmission mode.
In step S<b>11 , the loading device 100 transmits image data to the counterpart device 110 .
In step S13, when the transmission of the image data is completed, the mounting device 100 notifies the counterpart device 110 of normal termination, and ends.

In step S21 of the first receiving operation "STEP 2", the partner machine 110 calls the mounted machine 100 with the calling number.
In step S23, when the on-board device 100 confirms the incoming call, it notifies the partner device 110 of the receiving function capability notification (including the manufacturer code and the FAX number).
In step S25, the counterpart machine 110 notifies the mounted machine 100 of the transmission mode.

In step S<b>27 , the counterpart machine 110 transmits the image data to the loading machine 100 .
In step S29, when the recommendation violation detection unit 39 detects that the received image data is a recommendation violation, the management unit 36 stores "YES" in the recommendation violation column 65 of FIG. to register.
In step S31, the partner device 110 notifies the loading device 100 of a "reception error", and ends the process.

In step S41 of the second reception operation "STEP 3", the partner machine 110 calls the mounted machine 100 with the origination number. At this time, the on-board device 100 recognizes that the counterpart device 110 violates the recommendation.

In step S43, when the onboard device 100 confirms the incoming call, the destination device 110 is a device violating the recommendation. notification (including manufacturer code and FAX number).
In step S45, the counterpart machine 110 notifies the mounted machine 100 of the transmission mode.

In step S47, the partner device 110 transmits the image data whose compression type is the "MH" method to the loading device 100. FIG.
In step S49, when the reception of the image data is completed, the mounting device 100 notifies the counterpart device 110 of normal termination, and terminates.

<Detailed transmission/reception operation sequence diagram of facsimile device>
FIG. 7 is a detailed transmission/reception operation sequence diagram in each step of the facsimile apparatus according to the third embodiment of the present invention.
In FIG. 7, the vertical axis represents STEP 1 to STEP 3, and the horizontal axis represents the facsimile reception unit 33, the recommendation violation detection unit 39, the compression type setting unit 41, and the facsimile of the functional blocks (FIG. 2) provided in the loading machine 100 of FIG. A transmission unit 35, a storage unit 37, and a counterpart device 110 are shown. Note that the partner machine 110 has both functions of a FAX transmitter and a FAX receiver.

In step S51 of the transmission operation "STEP 1", the facsimile transmission unit 35 of the mounted device 100 calls the destination device 110 with the calling number (XXX-XXX-XXXX).
In step S53, when the destination machine 110 confirms the incoming call, it notifies the facsimile transmission section 35 of the mounted machine 100 of the receiving capability notification (including the manufacturer code and the FAX number).

In step S55, the facsimile transmission section 35 issues a request for storing the manufacturer code to the storage section 37 via the management section .
In step S57, the management unit 36 registers the FAX number and the manufacturer code in the reception/transmission destination table 67 (FIG. 3(a)) in the storage unit 37. FIG.
In step S59, the facsimile transmission section 35 of the loading device 100 notifies the counterpart device 110 of the transmission mode.

In step S61, the facsimile transmission section 35 of the mounting device 100 transmits the image data to the counterpart device 110. FIG.
In step S63, when the transmission of the image data is completed, the facsimile transmission unit 35 of the mounting device 100 notifies the partner device 110 of the normal end, and terminates.

In step S65 of the first receiving operation "STEP 2", the partner machine 110 calls the mounted machine 100 with the calling number.
In step S67, when the facsimile receiving section 33 of the on-board device 100 confirms the incoming call, it notifies the partner device 110 of the receiving function capability notification (including the manufacturer code and the FAX number).

In step S69, the counterpart machine 110 notifies the facsimile receiving section 33 of the mounting machine 100 of the transmission mode.
In step S<b>71 , the counterpart machine 110 transmits image data to the facsimile receiving section 33 of the mounting machine 100 .

In step S73, the facsimile receiving section 33 of the loading device 100 issues a recommendation violation confirmation request to the recommendation violation detection section 39. FIG.
In step S75, the recommendation violation detection unit 39 detects that the partner machine is violating the recommendation. The presence or absence of a recommendation violation is determined by whether or not the received data compression method complies with the recommendation.

In step S<b>77 , the recommendation violation detection unit 39 issues a manufacturer code acquisition request to the storage unit 37 via the management unit 36 .
In step S79, the storage unit 37 notifies the recommendation violation detection unit 39 of the manufacturer code via the management unit 36, thereby registering "YES" in the "recommendation violation" column 65 of FIG. .
In step S81, the recommendation violation detection unit 39 notifies the facsimile reception unit 33 that the partner machine 110 is in violation of the recommendation.
In step S83, the partner device 110 notifies the loading device 100 of a "reception error", and ends the process.

In step S91 of the second reception operation "STEP 3", the partner machine 110 calls the mounted machine 100 with the calling number.
In step S<b>93 , facsimile receiving section 33 of loading machine 100 issues a compression type determination request to compression type setting section 41 upon confirming an incoming call.

In step S<b>95 , the compression type setting unit 41 issues a manufacturer code acquisition request to the storage unit 37 via the management unit 36 .
In step S<b>97 , the storage unit 37 notifies the compression type setting unit 41 of the manufacturer code via the management unit 36 .
In step S99, the compression type setting unit 41 inquires of the storage unit 37 via the management unit 36 whether or not there is a record of violating the recommendation.

In step S<b>101 , the management unit 36 notifies the compression type setting unit 41 of the result obtained from the storage unit 37 . Here, it is assumed that the result is non-compliance with recommendations.
In step S103, since the partner machine 110 is a machine violating the recommendation, the compression type setting section 41 sets the compression type to "MH" and notifies the facsimile receiving section 33 of it.
In step S105, the facsimile receiving section 33 notifies the partner machine 110 of the receiving function capability notification (including the manufacturer code and the FAX number). At this time, it notifies that the compression method is MH.

In step S107, the partner device 110 notifies the loading device 100 of the transmission mode.
In step S<b>109 , the counterpart machine 110 transmits the image data whose compression type is the MH method to the mounting machine 100 .
In step S111, when the reception of the image data is completed, the mounting device 100 notifies the partner device 110 of normal termination, and terminates.

<Detailed Transmission/Reception Operation Flowchart of Facsimile Device>
FIG. 8 is a flow chart of detailed transmission/reception operations of the facsimile apparatus according to the third embodiment of the present invention.

In step S301, it is determined whether the mounting machine 100 is in a transmission operation or a reception operation. If it is a transmission operation, the process proceeds to step S303, and if it is a reception operation, the process proceeds to step S401.
In step S303, the facsimile transmission section 35 of the on-board device 100 calls the destination device 110 with the calling number (XXX-XXX-XXXX).
In step S305, the receiving function capability notification (including the manufacturer code and the FAX number) of the partner machine 110 is received.

In step S307, the facsimile transmission section 35 issues a request for storing the manufacturer code to the storage section 37. FIG.
In step S309, the FAX number and manufacturer code are registered in the destination table 67 of FIG. 3(a).
In step S311, the facsimile transmission section 35 of the mounting device 100 notifies the counterpart device 110 of the transmission mode.

In step S<b>313 , the facsimile transmission section 35 of the mounting device 100 transmits the image data to the counterpart device 110 .
In step S315, when the transmission of the image data is completed, it is determined whether or not the transmission was completed normally. Terminate with notification to that effect.
On the other hand, if the process does not end normally (NO route), the process advances to step S317 to transmit an error notification and terminate.

On the other hand, in the case of receiving operation in step S301, the process proceeds to step S401.
In step S401, when the facsimile receiving unit 33 of the on-board device 100 confirms the call from the partner device 110, the process proceeds to step S403.
In step S403, it is determined whether or not the maker code exists in the receiving/transmitting destination table 67 or not. If it does not exist (NO route), it is determined that it is the first reception, and the process proceeds to step S407.

In step S407, the partner device 110 is notified of the reception capability (including the manufacturer code and the FAX number).
In step S<b>409 , the facsimile receiving section 33 of the loading device 100 receives the transmission mode of the partner device 110 .
In step S411, the facsimile receiving section 33 of the mounting device 100 receives the image data of the counterpart device 110. FIG.

In step S413, the facsimile receiving section 33 of the loading device 100 issues a recommendation violation confirmation request to the recommendation violation detection section 39. FIG.
In step S415, it is determined whether or not the recommendation is violated. If the recommendation is not violated (NO route), the process is terminated.

In step S<b>417 , the recommendation violation detection unit 39 issues a manufacturer code acquisition request to the storage unit 37 .
In step S419, the storage unit 37 registers "YES" in the "recommendation violation" column 65 of FIG. 3C by notifying the recommendation violation detection unit 39 of the manufacturer code.
In step S421, the recommendation violation detection unit 39 notifies the facsimile reception unit 33 that the other party's machine 110 violates the recommendation, and the mounted machine 100 notifies the other party's machine 110 that a reception error has occurred. do.

On the other hand, if the manufacturer code exists in the destination table 67 in step S403 (YES route), it is determined that this is the second reception, and the process proceeds to step S405.
In step S405, it is determined whether or not the corresponding maker code recommendation violation exists in the recommendation violation management table 69 as "YES". If it exists (YES route), it is determined that it is the second time, and the process proceeds to step S501.

In step S<b>501 , facsimile receiving section 33 of loading machine 100 issues a compression type determination request to compression type setting section 41 upon confirming an incoming call.
In step S<b>503 , the compression type setting unit 41 issues a manufacturer code acquisition request to the storage unit 37 .
In step S505, the compression type setting unit 41 inquires of the recommendation violation detection unit 39 whether or not there is a history of recommendation violations. If the recommendation is violated, the process proceeds to step S507, and if the recommendation is not violated, the process proceeds to step S519. Here, it is assumed that the result is non-compliance with recommendations.

In step S507, since the counterpart machine 110 is a machine violating the recommendation, the compression type setting unit 41 sets the compression type to MH and notifies the facsimile receiving unit 33 of it.
In step S509, the facsimile receiving unit 33 notifies the counterpart device 110 of the receiving function capability notification (including the manufacturer code and the FAX number). At this time, it notifies that the compression method is MH.

In step S<b>511 , the loading machine 100 receives the transmission mode from the counterpart machine 110 .
In step S513, the loading device 100 receives the image data of the counterpart device 110 whose compression type is the MH method.

In step S515, when image data reception is completed, it is determined whether or not the image data has been received normally. Terminate with notification to that effect.
In step S517, if the process does not end normally (NO route), the process proceeds to step S517, transmits a reception error notification, and ends.
On the other hand, if the recommendation is not violated in step S505, the process proceeds to step S519. In step S519, the compression type setting unit 41 sets the compression type to "JBIG, MMR, MR, MH" and proceeds to step S515.

<Other embodiments>
Although the image communication apparatus stores each data table in the above embodiment, each data table may be stored in a server apparatus to which a plurality of image communication apparatuses are connected via a network.
Then, in step S7 (S57), the manufacturer code and the FAX number are associated and registered in the server device, and in step S29 (S79), the server device is made to register "YES" in the recommendation violation column. Also, in step S77, the manufacturer code is acquired from the server device, and in steps S99 and S101, information indicating whether or not there is a violation of the recommendation is acquired from the server device.
In this way, information can be centrally managed by the server device.
Further, it is also possible to centrally manage information stored in data tables among a plurality of image communication apparatuses by synchronizing the information without providing a server apparatus. Also, the synchronization process may be performed according to a user's instruction, or may be performed based on a preset time.

<Structure, action, effect of embodiment of the present invention>
<First aspect>
The facsimile apparatus 1 of this embodiment is an image communication apparatus 1 that communicates image data in compliance with the ITU-T Recommendation, and includes a facsimile receiving section 33 for receiving image data and a facsimile transmitting section 35 for transmitting image data. , a recommendation violation detection unit 39 for detecting whether or not the image data received by the facsimile reception unit 33 violates the ITU-T recommendations; , destination information associated with identification information that identifies the other party and is different from the facsimile number, and recommendation violation management information associated with the identification information detected by the recommendation violation detection unit 39. and a management unit 36 to store the receiving/transmitting destination information and the recommendation violation management information, the compression type of the reception capability notification to be notified to the other party is changed from a preset first compression type to the first compression type. and a compression type setting unit 41 for changing to a different compression type.

According to this aspect, the facsimile number and the identification information are registered in the receiving/transmitting destination table 67 based on the notification of the receiving capability of the partner machine 110 called by the facsimile transmitting section 35, and when the first receiving operation is completed, the facsimile The recommendation violation detection unit 39 judges whether the image data received by the reception unit 33 violates the ITU-T recommendation, and registers the result in the recommendation violation management table 69 if it violates the recommendation. After that, at the time of the second receiving operation, the counterpart device 110 having the same identification information is notified that the compression type is the MH method.
Through the above operations, identification information that violates the ITU-T recommendations is registered, and when receiving the identification information, normal communication is promoted by notifying the compression method (MH) that is least likely to violate the recommendations. communication efficiency can be improved.

<Second aspect>
When the detection result corresponding to the partner device indicates that the image received from the partner device violates the ITU-T recommendations, the compression type setting unit of this aspect, based on the destination information and the recommendation violation management information, The compression type of the reception capability notification to be notified to the partner device is changed from a preset first compression type to another compression type different from the first compression type.

According to this aspect, when the detection result corresponding to the partner device indicates that the image received from the partner device violates the ITU-T recommendations based on the destination information and the recommendation violation management information, By changing the compression type of the reception capability notification to be notified from the preset first compression type to another compression type different from the first compression type, a compression method with a low possibility of violating the recommendation ( MH), it is possible to promote normal communication and improve communication efficiency.

<Third aspect>
In the facsimile machine 1 of this embodiment, when the facsimile receiving section 33 receives the received data from the partner machine 110, the recommendation violation detecting section 39 confirms whether or not the received data violates the recommendation. When 39 detects a recommendation violation, it requests identification information corresponding to the facsimile number from the storage unit 37, and controls to register the recommendation violation in the recommendation violation management table 69 in association with the identification information. It is characterized by comprising a control unit 31 for

According to this aspect, it is checked whether or not the data received from the partner device 110 violates the ITU-T recommendations, and if it is in violation, the data is associated with the identification information of the partner device 110 and is registered in the recommendation violation management table 69.
As a result, when a receiving operation occurs next from a partner device having the same identification information, it can be determined that the partner device does not conform to the ITU-T Recommendations.

<Fourth Aspect>
In the facsimile apparatus 1 of this aspect, when the facsimile receiving section 33 receives the received data from the counterpart machine 110, the compression type setting section 41 confirms the compression type of the received data. is requested for identification information corresponding to the facsimile number, and if the identification information violates the recommendations, the reception capability notification is provided to notify that the compression type is MH. characterized by

According to this aspect, when it is confirmed that the partner device 110 has a record of violating the recommendation in the past, it is notified by the reception capability notification that the compression type MH, which has the lowest possibility of violating the recommendation, will be used for reception.
This increases the possibility of successfully receiving data from a partner device that violates the recommendations.

<Fifth aspect>
The storage unit 37 of this aspect is characterized by further registering the compression method related to the recommendation violation in the recommendation violation management table 69 in association with the identification information in which the recommendation violation is detected.

According to this aspect, in the reception capability notification to the partner device 110, a plurality of compression methods are normally notified, but for the partner device that violates the recommendation, the compression method at that time is registered in association with the identification information. back.
This makes it possible to recognize the compression method when the other party violates the recommendation.

<Sixth Aspect>
The facsimile receiving unit 33 of this embodiment uses a compression method other than the compression method registered in the recommendation violation management table 69 in the reception function capability notification notified at the time of receiving operation from the identification information in which the recommendation violation is registered in the recommendation violation management table 69 . It is characterized by notifying the method.

According to this aspect, since the compression method of the partner device registered as the violation of the recommendation is registered in the recommendation violation management table 69, a compression method other than the registered compression method is notified to the partner device in the receiving capability notification. do.
As a result, it is possible to notify the other party of a compression method with a low possibility of receiving errors.

<Seventh Aspect>
The storage unit 37 of this embodiment is characterized by recording the registration time of the recommendation violation or the compression method in the recommendation violation management table 69 .

According to this aspect, the registration time of the recommendation violation and the recommendation violation compression method is further registered in the recommendation violation management table 69 .
This makes it possible to determine how long the non-compliance with the recommendation or the compression method continues.

<Eighth aspect>
The storage unit 37 of this aspect is characterized by canceling the violation of recommendation in the violation of recommendation management table after a predetermined period of time has passed since the registration time.

According to this aspect, the violation of the recommendation is canceled after a certain period of time so as to be able to deal with the case where the partner machine registered as the violation of the recommendation subsequently recognizes the violation of the recommendation and complies with the recommendation.
As a result, when the other party's device, which has been registered as violating the recommendation, later acknowledges the violating the recommendation and conforms to the recommendation, it can support all compression methods conforming to the recommendation.

<Ninth Aspect>
The compression type setting unit of this aspect is characterized by using the MH method as another compression type.

According to this aspect, by using the MH method as another compression type, it is possible to promote normal communication and improve communication efficiency by notifying the MH method with the lowest possibility of violating recommendations.

<Tenth Aspect>
The image communication method by the facsimile device 1 of this aspect is an image communication method for communicating image data in compliance with the ITU-T Recommendation, and includes a facsimile reception step for receiving image data and a facsimile transmission step for transmitting image data. a recommendation violation detection step for detecting whether or not the image data received by the facsimile reception step violates the ITU-T recommendations; Management for storing, in a storage means, reception destination information associated with identification information that identifies a machine and different from a facsimile number, and recommendation violation management information associated with the identification information of the detection result of the recommendation violation detection step. and selecting a compression type of a receiving capability notification to be notified to the other party from a preset first compression type to another compression type different from the first compression type, based on the receiving/destination information and the recommendation violation management information. and a compression type setting step for changing the type.

According to this aspect, the facsimile number and the identification information are registered in the storage unit 37 based on the notification of the receiving capability of the partner device 110 called by the facsimile transmitting unit 35, and when the first receiving operation is completed, the facsimile receiving unit A recommendation violation detection unit 39 judges whether the image data received in 33 violates the ITU-T recommendations. After that, at the time of the second receiving operation, the counterpart device 110 having the same identification information is notified that the compression type is the MH method.
Through the above operations, identification information that violates the ITU-T recommendations is registered, and when receiving the identification information, normal communication is promoted by notifying the compression method (MH) that is least likely to violate the recommendations. communication efficiency can be improved.

<Eleventh Aspect>
A processor is caused to execute each step in the image communication method described in the tenth aspect.

According to this aspect, each step can be executed by a processor. For this reason, by registering identification information that violates the ITU-T recommendations and notifying the compression method (MH) that is least likely to violate the recommendations when receiving the identification information, normal communication is promoted and communication is performed. Efficiency can be improved.

REFERENCE SIGNS LIST 1 facsimile device 3 control section 5 operation display section 7 document reading section 9 image printing section 11 modem 13 public line 15 ROM 17 RAM 19 communication control section , 21... CPU, 23... non-volatile memory, 33... facsimile receiving unit, 35... facsimile transmitting unit, 36... management unit, 37... storage unit, 39... recommendation violation detection unit, 41... compression type setting unit

Japanese Patent Application Laid-Open No. 2000-201268

Claims (11)

An image communication device that communicates image data in compliance with ITU-T recommendations,
facsimile receiving means for receiving the image data from a counterpart device and notifying the counterpart device of a compression type of a reception capability notification ;
facsimile transmission means for transmitting image data;
Recommendation violation detection means for detecting whether the image data received by the facsimile reception means violates the ITU-T recommendations;
receiving and transmitting destination information that associates a facsimile number received from the destination machine after the facsimile transmission means performs a calling operation with the identification information that identifies the destination machine and is different from the facsimile number; management means for storing, in a storage means, recommendation violation management information in which a result of detection by the recommendation violation detection means is associated with the identification information;
Compression type setting means for setting the compression type of the reception capability notification to be notified to the partner device to the MH method with the lowest possibility of violating the recommendation , based on the destination information and the management information on violation of recommendation; with
The image communication apparatus , wherein the facsimile receiving means notifies the set MH system to the partner machine . The compression type setting means is
If the detection result corresponding to the partner device indicates that the image received from the partner device violates the ITU-T recommendations based on the destination information and the recommendation violation management information, the partner device 2. The image communication apparatus according to claim 1, wherein the compression type of the reception capability notification to be notified to the user is set to the MH system which has the lowest possibility of violating the recommendation . When the facsimile receiving means receives the received data from the partner machine, it confirms whether or not the received data violates the recommendation against the recommendation violation detection means, and when the recommendation violation detection means detects the recommendation violation. and control means for requesting the identification information corresponding to the facsimile number from the storage means and registering the recommendation violation in the recommendation violation management information in association with the identification information. 2. The image communication device according to claim 1. When the facsimile receiving means receives the received data from the other party, it confirms the compression type of the received data with the compression type setting means, and the compression type setting means corresponds to the facsimile number for the storage means. and a control means for controlling to set the compression type of the reception capability notification to be notified to the partner machine to the MH system when the identification information is in violation of the recommendation. 2. The image communication apparatus according to claim 1, wherein: 2. The image communication apparatus according to claim 1, wherein said storage means registers, in said recommendation violation management information , a compression type associated with said recommendation violation in association with identification information in which said recommendation violation is detected. The facsimile receiving means selects a compression type different from the compression type registered in the recommendation violation management information in a reception function capability notification notified at the time of receiving operation from the identification information in which the recommendation violation is registered in the recommendation violation management information . 6. The image communication apparatus according to claim 5 , wherein the other party's device is notified. 4. The image communication apparatus according to claim 3 , wherein said storage means records a registration time of said violation of recommendation in said violation of recommendation management information . 6. The image communication apparatus according to claim 5 , wherein said storage means records a registration time of said compression type in said recommendation violation management information. 8. The image communication apparatus according to claim 7 , wherein said storage means cancels the fact that said recommendation violation management information is said violation of said recommendation after said registration time has passed a predetermined period . An image communication method for communicating image data in accordance with ITU-T recommendations,
a facsimile reception step of receiving the image data from a counterpart device and notifying the counterpart device of a compression type of a reception capability notification ;
a facsimile transmission step of transmitting image data;
a recommendation violation detection step of detecting whether the image data received by the facsimile reception step violates the ITU-T recommendations;
receiving and transmitting destination information that associates a facsimile number received from the destination device after the calling operation in the facsimile transmission step with the identification information that identifies the destination device and is different from the facsimile number; a management step of storing, in a storage means, recommendation violation management information in which a detection result of the recommendation violation detection step is associated with the identification information;
a compression type setting step of setting the compression type of the reception capability notification to be notified to the partner device to the MH method with the lowest possibility of violating the recommendation , based on the destination information and the management information on violation of the recommendation; and run
The image communication method , wherein the facsimile reception step notifies the set MH system to the partner machine . 11. A program causing a processor to execute each step of the image communication method according to claim 10.

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