JPH05284326A - Protocol converter - Google Patents

Abstract

PURPOSE:To attain protocol conversion between an electronic mail network employing the MHS protocol and a facsimile communication network employing the facsimile communication network protocol. CONSTITUTION:A communication text according to the MHS protocol from an electronic mail network terminal equipment 1 is transferred to a conversion section 35 of a converter 3 and divided into sets of character information corresponding to one page of a facsimile text according to page division information stored in a database 34 and the sets are sent to a facsimile terminal equipment 5 via a facsimile communication network 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protocol conversion device which enables mutual protocol conversion between an electronic mail network based on the MHS protocol and a facsimile communication network based on the facsimile communication network protocol.

[0002]

2. Description of the Related Art In an electronic mail network based on the MHS protocol, information that a user wants to send is stored in a body portion. The information stored in the body part is just a list of information.

On the other hand, in the facsimile communication network, the minimum unit of communication is a page, and in addition to character information and facsimile information, various format control information such as line pitch designation and half-width designation is sectioned in page units.

[0004]

Mutual protocol conversion between an electronic mail network according to the MHS protocol, which has no concept of page and has no break in information to be transmitted, and a facsimile communication network, which uses a page as a minimum unit of communication. In order to enable this, the body part of the communication text of the e-mail network must be divided into pages, information for page division is required, and in addition to page division, font specifications can also be specified. It is also possible to specify the image quality, and information for that is also required.

Furthermore, it is necessary that the information for page division and designation can be changed easily.

The present invention has been made in view of the above,
An object of the present invention is to provide a protocol conversion device that enables mutual protocol conversion between an electronic mail network based on the MHS protocol and a facsimile communication network based on the facsimile communication network protocol.

[0007]

To achieve the above object, a protocol converter of the present invention converts character information by an electronic mail network having a communication text transfer function according to the MHS protocol and a facsimile communication network protocol. A protocol conversion device capable of mutual protocol conversion with a facsimile communication network capable of outputting as facsimile information to a facsimile terminal, which is composed of character information and has a communication text according to the MHS protocol on one page of a facsimile. Accumulation means for accumulating information including the number of lines, the number of digits, the font, the image analysis degree for dividing and converting into a set of corresponding character information, and the communication text of the facsimile according to the information accumulated in the accumulation means. The gist is to have a dividing means for dividing into a set of character information corresponding to one page.

[0008]

In the protocol converter of the present invention, information is stored in the storage means in order to divide and convert a communication message according to the MHS protocol into a set of character information corresponding to one page of a facsimile, and communication is performed according to the stored information. The sentence is divided into a set of character information corresponding to one page of the facsimile.

[0009]

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

FIG. 1 is a block diagram showing the configuration of a protocol converter according to an embodiment of the present invention. In FIG. 1, the electronic mail network terminal 1 receives a communication text from the electronic mail network 2 and, conversely, transmits the communication text to the electronic mail network 2. The electronic mail network 2 transfers and communicates the communication text to another electronic mail network terminal 1 and the conversion device 3 according to the information of the communication text received from the electronic mail network terminal 1. The e-mail network side transmission unit 31 is the conversion unit 3
The communication text received from 5 is transmitted to the electronic mail network 2. The e-mail network side receiving unit 32 receives the communication text from the electronic mail network 2 and passes the communication text to the selection unit 33. The selecting unit 33 determines whether the communication message received from the e-mail network side receiving unit 32 is division information or a general communication message. The conversion unit 35 divides the communication text received from the selection unit 33 based on the division information of the database unit 34. The database unit 34 stores the division information of communication messages.

The facsimile communication network side transmission unit 37 transmits the communication text page-divided by the conversion unit 35 to the facsimile communication network 4. The facsimile communication network side reception unit 36 receives the facsimile communication text from the facsimile communication network 4 and transfers it to the conversion unit 35. The facsimile communication network transfers / delivers the communication text received from the conversion device 3 / facsimile terminal 5 to another facsimile terminal 5 or the conversion device 3.

FIG. 2 shows a sequence diagram from the input of a communication text from the electronic mail network terminal 1 to the output to the facsimile terminal 5 after page division, and FIG. 3 shows the case of changing the page division information from the electronic mail network terminal 1. A sequence diagram is shown.

The operation when a communication message is input from the electronic mail network terminal 1 will be described with reference to FIGS. 1 and 2.

The communication text 11 input from the terminal 1 of the electronic mail network 2 is converted by the conversion device 3 according to its destination.
Be assigned to. The body of the communication text transferred to the conversion device 3 in order to use the facsimile communication network 4 must be divided according to the protocol of the facsimile communication network 4. In order to obtain this division information, the conversion unit 35
Makes a request for division information to the database 34 (signal 1
2). The database 34 has an email network 2
The number of lines / digits after dividing the communication text, and the font / image resolution that can be specified by the protocol of the facsimile communication network 4 are stored for each user of, and the division information of the user who transmitted the communication text is converted. It returns to the part 35 (signal 13). The conversion unit 35 divides the communication text into pages according to the division information and transmits the page to the facsimile communication network 4 (signal 14).

Next, the operation of changing the division information from the electronic mail network terminal 1 will be described with reference to FIGS. 1 and 3.

The division information change request text 21 input from the terminal 1 of the electronic mail network 2 is transmitted to the conversion device 3 and is recognized as the division information change request text 21 by the selection unit 33 in the conversion device. The conversion device 3 makes a change request 22 to the database 34 in accordance with the division information change request sentence 21 for the stored information of the user who has transmitted the division information change request sentence 21, and at the same time sends the division information change communication sentence 23 to the division information change communication sentence 23 according to the protocol of the electronic mail network 2. It is created and sent to the sender of the split information change request sentence 21.

Next, referring to FIG. 4, the communication text from the terminal 1 of the electronic mail network 2 is transmitted to the facsimile communication network 4.
The operation of page division for utilizing will be described more specifically.

The pre-division communication text 11 input by the user from the electronic mail network terminal 1 is transferred to the conversion device 3 or another electronic mail network terminal 1 depending on the destination. The pre-division communication text 11 transferred to the conversion device 3 is transferred to the selection unit 33 via the electronic mail network side reception unit 32. The selection unit 33 transfers the pre-division communication text 11 other than that addressed to the conversion device to the conversion unit 35. The communication text transferred to the conversion unit 35 must be divided into pages in order to use the facsimile communication network 4. Therefore, the database 34 is accessed using the sender of the communication message as the key information. The database 34 accumulates the number of lines and the number of digits as the information necessary for page division.
Give to. The conversion unit 35 divides the pre-division communication message 11 into pages, which is merely a list of information, according to the number of lines and the number of digits given from the database. Page-divided correspondence 14
Is transferred to the facsimile communication network 4 and delivered to the destination facsimile terminal 5.

[0019]

As described above, according to the present invention,
Information is accumulated in the accumulating means in order to divide and convert the communication text by the MHS protocol into a set of character information corresponding to one page of the facsimile, and the communication text is converted into character information corresponding to one page of the facsimile according to the accumulated information. Since it is divided into pages, the communication text of the electronic mail network can be divided into pages, which are the minimum units of the communication text of the facsimile communication network, and the interconnection of communication between the electronic mail network and the facsimile communication network, especially Communication from the electronic mail network to the facsimile communication network becomes possible. Further, the information for dividing the communication text of the electronic mail network can be changed relatively easily, and thus the position of page division can be changed relatively easily.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of a protocol conversion device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing an operation of the protocol conversion device shown in FIG. 1 when a communication sentence is input from a terminal of an electronic mail network.

FIG. 3 is an explanatory diagram showing an operation of the protocol conversion device shown in FIG. 1 when changing division information from a terminal of an electronic mail network.

FIG. 4 is an explanatory diagram showing the operation of the protocol conversion device shown in FIG. 1 when the communication text from the terminal of the electronic mail network is divided into pages.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 E-mail network terminal 2 E-mail network 3 Conversion device 4 Facsimile communication network 5 Facsimile terminal 31 E-mail network side transmission unit 32 E-mail network side reception unit 33 Selection unit 34 Database unit 35 Conversion unit 36 Facsimile communication network side reception unit 37 Facsimile communication network side transmitter

Continuation of front page (51) Int.Cl. ⁵ Identification number Office reference number FI technical display location H04L 12/58 29/06 H04N 1/00 107 Z 7046-5C 8020-5K H04L 13/00 305 B

Claims (2)

[Claims] 1. A mutual connection between an electronic mail network having a transfer function of a communication text according to the MHS protocol and a facsimile communication network capable of converting character information according to a facsimile communication network protocol and outputting it as facsimile information to a facsimile terminal. Is a protocol conversion device capable of converting the protocol of the above, and is composed of character information, and the number of lines and the number of digits of a page for dividing and converting a communication message by the MHS protocol into a set of character information corresponding to one page of a facsimile. A storage unit for storing information including a font and an image analysis degree, and a dividing unit for dividing the communication text into a set of character information corresponding to one page of a facsimile according to the information stored in the storage unit. Characteristic protocol converter. 2. The information stored in the storage means is MHS.
2. The protocol conversion device according to claim 1, further comprising a changing unit that changes the communication message according to the protocol.