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...http://www.google.es/patents/US7876466?utm_source=gb-gplus-sharePatente US7876466 - Printer controller having JPEG and EDRL circuitry
