Printer controller having JPEG and EDRL circuitry

Details Printer controller having JPEG and EDRL circuitry Printer controller having JPEG and EDRL circuitry

2011-01-25

2011-01-25

Nguyen, Lam S (Department: 2853)

Facsimile and static presentation processing

Static presentation processing

Communication

C347S005000, C347S009000

Reexamination Certificate

active

07876466

ABSTRACT:
A printer controller is provided having page data input circuitry for receiving compressed and encoded page data for expansion processing, JPEG decoding circuitry for decompressing contone data in the received page data, EDRL expansion circuitry for decompressing EDRL-compressed bi-level image data in the received page data, halftoning and compositing circuitry for halftoning and compositing the decompressed contone and bi-level data, and a printhead interface for receiving the compositing data and for writing corresponding print data to a printhead of the printer.

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