A high-volume digital print service has a plurality of independent and simultaneously-operable decomposers which each output decomposed image data to a common buffer. The decomposed data can be compressed for relatively long-term retention in the buffer, by means of a compression element....http://www.google.com/patents/US5825991?utm_source=gb-gplus-sharePatent US5825991 - System for balancing CPU demands in a high-volume print server
