Patent ID: 6101548
Filing Date: 2000-08-08
Classification: H04N

Abstract:
A communications terminal device with electronic mail function for transmitting original document image data to a destination by electronic mail, comprising:calculation means for calculating volume of data resulting when image data for one page of original document to be transmitted is converted to electronic mail data and including an encoding means for encoding said image data using a dummy encoding system;means for dividing up said image data for one page into a plurality of smaller pieces of data and transmitting them to a destination by a plurality of electronic mails respectively when calculation result of said calculation means exceeds a prescribed amount, the prescribed amount being a limitation determined by an intermediate connection service company and comprising data volume of the electronic mail which can be handled as one mail;means for transmitting said image data for one page by a single electronic mail without dividing when said calculation result of said calculation means does not exceed the prescribed amount;means for transmitting first mail management information to a destination if a plurality of pages of original documents are transmitted by a plurality of electronic mails respectively without dividing, the first mail management information including data identifying an original document, and data indicating which electronic mail corresponds to which page of original document, the first mail management information being transmitted to a destination together with the electronics mails and being included in header information appended to the electronic mail; andmeans for transmitting second mail management information to a destination, when said image data for one page is divided up into smaller pieces of data and transmitted by a plurality of electronic mails, the second mail management information including data indicating which electronic mail corresponds to which smaller piece of data, the second mail management information being included in header information appended to the electronic mail, the header information having a subject field which includes sender information, a job number indicating electronic mail to be handled as a single file, page number and total page number, and image block number and total block number, an image for a single page being divided into blocks when transmitted, and the block number and the total block number both being ""one"" if the original image is not divided before transmission.