White region identification to accelerate image processing...

Details White region identification to accelerate image processing... White region identification to accelerate image processing...

2005-01-10

2010-02-23

Lee, Thomas D (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S001100, C358S001180

Reexamination Certificate

active

07667870

ABSTRACT:
The present invention solves the problem set forth above by providing a method for accelerating the production of a standalone copy of a document by a peripheral device. The invention employs a white space map of the document to be copied. The map is generated by the ASIC chip and is used by the device to identify areas of the outputted copy that do not require ink or toner. This reduces the processing resources necessary to print the copy, thus speeding up copy production.

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patent: 6407824 (2002-06-01), Hashimoto
patent: 2004/0046761 (2004-03-01), Hellman et al.

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