Integrated telefacsimile and character communication system with standard and high speed modes
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United States of America Patent
Stats
-
Dec 28, 1993
Grant Date -
N/A
app pub date -
Jan 23, 1991
filing date -
Jan 23, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telefacsimile machine selectively operates in standard and high speed modes depending on the compatibility of equipment communicating with the telefacsimile machine at a particular time. The standard mode communication employs bit mapped pixels for both text and graphics The high speed mode distinguishes text from graphics. Scanned text characters to be transmitted in the high speed mode are compared to characters in a library. When a match is found only a code, e.g. ASCII, and the location of the character is transmitted. Graphics and unrecognizable characters are transmitted as bit mapped pixels. When a document is received in the high speed mode, the received code identifies the text character and bit-mapped pixels to be printed or otherwise recorded in a storage medium. Any desired printing resolution can then be selected for text characters.
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