Typewriting machines – Including control of format by programmed-control-system
Patent
1997-12-09
1999-10-26
Burr, Edgar
Typewriting machines
Including control of format by programmed-control-system
400 61, 400 70, B41J 1144
Patent
active
059716339
ABSTRACT:
In an image processing device, when image data is expanded to width K corresponding to one-third of width L of a band buffer 26, the band buffer in which the width K image data is expanded is divided into square blocks each having side length K. When expansion of the image data in the square blocks into which the band buffer is divided is complete, the resultant image data is compressed for each square block. Thus, occurrence of generation can be prevented and the image data can be compressed efficiently. The locations of a final output image to which the compressed data corresponds are managed with a compressed page buffer management table, etc., so that the final output image can be restored based on the managed location information and image quality degradation can be avoided.
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Burr Edgar
Fuji 'Xerox Co., Ltd.
Nolan, Jr. Charles H.
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