JP2006303648A - Communication apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a communication apparatus capable of transferring image data arrived in a facsimile terminal handled as a fixed station to a mobile terminal used in a mobile station. <P>SOLUTION: The communication apparatus includes a main control section 11 that includes a facsimile transmission/reception function and an IP communication function by LAN connection and carries out control of extracting a keyword from a received image through character recognition and transferring the extracted keyword as mail main text. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a communication device that transmits image and character data, and is particularly suitable for G3, G4, IP facsimile machines, multifunction peripherals, personal computers equipped with communication functions, and the like.

For facsimile communication, G3, G4, and IP communication are performed according to the communication method. In general, image communication with a mobile terminal as a partner is also performed by attaching to a mail. In the case of this facsimile attachment with an e-mail, T.P. The image line density is converted in accordance with a rule such as 37.
Here, when outputting an image received by facsimile, it can be viewed or confirmed in a format that is output on paper, a format that is displayed on a display provided in the main body, a format in which an image is viewed on a PC by a linkage system, or the like. Yes.
Further, for example, there are Patent Documents 1 and 2 as techniques related to a system for browsing images.
JP 2003-196382 A JP 2003-204400 A

As described above, an image received by facsimile can generally be confirmed by outputting it on paper, displaying it on a display device mounted on the main body, or viewing the image on a PC by a cooperation system. However, in the case of a fixed terminal, there was a drawback that it was not possible to browse while moving out.
In general, image transfer is performed by attaching it to an e-mail, but image data has a much larger data amount and higher communication cost than character information.
For this reason, there is a disadvantage that the efficiency is low in a mobile terminal represented by a mobile phone with a limited display capability. In particular, the content that can be transmitted by text information is not efficient.
Accordingly, the present invention has been made in view of the above points, and is a communication device capable of transferring image data received at a facsimile terminal treated as a fixed station to a portable terminal used at a mobile station. The purpose is to provide.

In order to achieve the above object, the invention described in claim 1 has a facsimile transmission / reception function and an IP communication function by LAN connection, extracts a keyword from a received image by character recognition, and transfers it as a mail body by mail transmission. Control means for performing control is provided.
According to a second aspect of the present invention, in the communication apparatus according to the first aspect, the data storage unit is provided, and the control unit stores the detected position of the image data received by facsimile at the time of keyword extraction in the data storage unit together with the keyword for a certain period. It is characterized by controlling to hold.
According to a third aspect of the present invention, in the communication apparatus according to the first aspect, the data storage means has a keyword extraction storage table.
According to a fourth aspect of the present invention, there is provided the communication apparatus according to the first aspect, further comprising registration means for registering a keyword to be extracted in advance.
According to a fifth aspect of the present invention, in the communication device according to the second aspect, the control means receives a necessary keyword from a keyword group sent at the time of the first transfer from the portable terminal of the transfer destination, and from the received keyword The extracted keyword and image position are derived, and image data is cut out with a predetermined number of pixels within a range that can be displayed on the portable terminal, and retransmitted as an attached image of mail.

  According to the present invention, a fixed station is provided with a main control unit which has a facsimile transmission / reception function and an IP communication function by LAN connection, and performs control for extracting a keyword from a received image by character recognition and transferring it as a mail body by mail transmission It is possible to transfer the image data received at the facsimile terminal treated as the mobile terminal to the portable terminal used in the mobile station.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a configuration diagram of a communication network system.
In FIG. 1, a communication terminal 1 which is a communication apparatus of the present invention has a facsimile transmission / reception function and an IP communication function by LAN connection. The communication terminal 1 is worthy of a facsimile terminal or a multifunction machine.
The terminal 2 is a general facsimile terminal and performs facsimile transmission to the communication terminal 1. The mobile terminal 3 is a mobile phone or a mobile computer that can display a received image. The portable terminal 3 has a communication function using radio waves and can send and receive e-mails.
The communication terminal 1 according to the present embodiment is characterized by a function when image data typified by G3 facsimile reception is received.
In addition to G3 facsimile reception, image data reception includes G4 facsimile, T.P. E-mail reception by T.37, T. 38, for example, IP facsimile reception.
When the image is received by these means, the communication terminal 1 transfers the character data and the image to the address of the mobile terminal in which the transfer destination is registered in advance.

FIG. 2 is a block diagram of the communication terminal shown in FIG.
The main control unit 11 includes a CPU, a program for operating the CPU, and a ROM and RAM used for storing information when the program is executed, and controls the entire apparatus.
The operation unit 12 includes a display such as a CRT or LCD, a lamp such as an LED, and a key as a user interface, and realizes operation input and display output.
The image processing unit 13 performs control such as expansion / compression of the transmission original read by the scanner, image clipping, and line density conversion. A computer or the like may be an interface with an image input device.
The data storage unit 14 is a non-volatile secondary storage unit such as a hard disk used for storing a large amount of data for a long period of time. In data transfer, it is used to store received data.
The communication units 15 and 16 control communication with different line types. The applicable line includes an analog general subscriber line, a digital general subscriber line, and a LAN.
The communication means performs data communication for G3 communication or provider connection in the analog general subscription line. The digital general subscriber line performs G4 communication and data communication for provider connection. There are other ADSL connections.
In the LAN, it is used as a router, gateway, or intranet connection, and communication such as HTTP, FTP, SMTP, POP, etc. is performed. In this embodiment, G3 communication by analog general subscriber line connection and SMTP and POP communication by LAN connection are performed.

[First Embodiment]
In the first embodiment, a transfer destination address and transfer destination information are registered in the communication terminal 1 in advance.
FIG. 3 is an explanatory diagram showing communication contents in the communication network system shown in FIG. The operation up to the dotted line a in FIG.
When the communication terminal 1 receives general image reception, for example, G3 fax, from the terminal 2, the communication terminal 1 performs OCR processing on the received image. As a result, a keyword is extracted from the extracted character string. The extracted keyword is transferred to the transfer destination (mail server) as a mail text. Limits on the length and the number of keywords can be set in advance for keywords, and the amount of characters to be transferred is limited.
[Second Embodiment]
In the second embodiment, the image position of the keyword extracted in the first embodiment is stored. For specifying the image position, the bit position of the main operation direction and the sub operation direction at the extraction start position of the initial of the keyword is used. When it is not necessary to pursue image position accuracy, it is possible to substitute an address of a memory storing an image or a start position of a memory block in a certain unit.
It is necessary to hold the image position for a certain time, and this data is stored in the data storage unit 14. The retention period varies depending on the application that handles this information, but it needs about 1 to 3 days. In this embodiment, it is possible to specify the cutout position of the image data from the keyword. This will lead to the spread of applications.

[Third Embodiment]
In the third embodiment, necessary keywords are received from the keyword group sent at the time of the first transfer from the transfer destination mobile terminal, and the extracted keywords and image positions are derived from the received keywords and displayed on the mobile terminal. Image data is cut out with a predetermined number of pixels within a possible range and retransmitted as an attached image of an email.
In the communication flow between the terminals shown in FIG. 3, in addition to keywords, information for specifying a document and sender information are added to the e-mail transferred to the communication terminal 1.
In order to request retransmission of an image around the keyword from the keyword received by the mobile terminal 3, the keyword is transmitted to the transfer source terminal.
At this time, there are a plurality of keywords, and the necessary keywords and the document information sent in advance are sent by mail. In this embodiment, it is possible to efficiently transfer information to the mobile terminal 3 that is moving by setting the number of pixels to be sufficiently displayed on the mobile terminal.
When receiving a mail document from a portable terminal whose transfer destination is registered in advance, the transfer source communication terminal 1 cuts out image data from the document information and keywords. The cut out data is sent as an attached image to the mobile terminal 3 by e-mail again. An image cut out from the received document shown in FIG. 4 is shown in FIG.
[Fourth Embodiment]
In the fourth embodiment, a function for registering keywords in the data storage unit 14 in advance is provided, and a character string is registered based on this function. For example, the characters required for a case requiring transfer, such as “subject”, “address”, “date / time”, “location”, and “meeting” are registered. This is effective when it is ambiguous when keywords are extracted, or when there are no keyword interruptions. If it is ambiguous, a matching rate at the time of comparison is determined in advance to replace it with an intended keyword due to a character recognition error or the like. Further, when the interruption of the character string is unknown, it is possible to approximate the intended keyword by extracting the character that matches the registered data as a keyword.
In the present embodiment, the processing load on the communication terminal 1 to be transferred can be reduced, the amount of data to be transferred can be minimized, and the transfer speed can be improved and the communication cost can be reduced. Further, since the probability of extracting a keyword intended for the receiver is increased, efficient information transfer is possible.

1 is a configuration diagram of a communication network system. The block diagram of the communication terminal shown in FIG. Explanatory drawing which shows the communication content in the communication network system shown in FIG. The figure which shows a received document. The figure which shows the image cut out from the received original document shown in FIG.

Explanation of symbols

1 communication terminal (communication device), 3 portable terminal, 11 main control unit, 12 operation unit, 14 data storage unit

Claims (5)

  A communication apparatus comprising a facsimile transmission / reception function and an IP communication function by LAN connection, and comprising control means for performing control for extracting a keyword from a received image by character recognition and transferring it as a mail text by mail transmission.   2. The communication apparatus according to claim 1, further comprising data storage means, wherein the control means controls the data storage means to hold the detected position of image data received by facsimile at the time of keyword extraction together with the keyword for a certain period. A communication device.   2. The communication apparatus according to claim 1, wherein the data storage means includes a keyword extraction storage table.   2. The communication apparatus according to claim 1, further comprising registration means for registering a keyword to be extracted in advance. 3. The communication device according to claim 2, wherein the control means receives a necessary keyword from a keyword group sent at the time of the first transfer from a transfer destination portable terminal, and derives a keyword and an image position extracted from the received keyword. A communication apparatus that performs control to cut out image data with a predetermined number of pixels within a range that can be displayed on the mobile terminal and retransmit the image data as an attached image of an email.

Images