NOVELTY FILTER COPY QUALITY DETECTOR
Original Publication Date: 1995-Jun-30
Included in the Prior Art Database: 2004-Apr-07
Xerox Disclosure Journal
This disclosure proposes the concept that the photorefractive effect exhibited by crystals of barium titanate and other materials having similar photorefractive properties, can be applied to a xerographic process for the urpose of detecting a copy quality failure in a rapid and reliable manner. &uch a failure can be caused by any one of a number of subsystems in a xerographic system.