Printer controller for a pagewidth printhead

Details Printer controller for a pagewidth printhead Printer controller for a pagewidth printhead

2007-03-27

2007-03-27

Grant, II, Jerome (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S002990, C358S003060, C358S003300

Reexamination Certificate

active

11231856

ABSTRACT:
A printer controller for a pagewidth printer includes input interface circuitry configured to receive page description data in the form of bi-level data and contone data. Decompression circuitry is configured to decompress, in parallel processes, the bi-level data and the contone data. Halftoning circuitry receives and halftones the decompressed contone data. Compositing circuitry receives and composites the bi-level data. Printhead interface circuitry is configured to provide a pagewidth printhead with print data generated by the combined operation of the halftoning and compositing circuitry.

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