Patent ID: 7349125
Filing Date: 2008-03-25
Classification: B41J,G03G,G06F,G06K,H04N

Abstract:
1. A processor for a printer, the processor comprising: an address, data and control bus; an expander unit coupled to the bus and configured to decompress a bi-level black layer of a page to be printed; a decoder unit coupled to the bus and configured to decompress a contone layer of the page to be printed; and a halftoner/compositor unit which is coupled to the bus, and is configured to halftone the decompressed contone layer to form a bi-level cyan, yellow, magenta, and black (CYMK) layer and then composite the decompressed bi-level black layer over the bi-level CYMK layer to form a bi-level CYMK image of the page to be printed.