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Illumination System Disclosure Number: IPCOM000053357D
Original Publication Date: 1980-Jan-01
Included in the Prior Art Database: 2005-Feb-12

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Chunn, TA [+details]


Uniform irradiance is obtained at the image plane of a lens imaging system located off-center of the document glass of an electrophotographic copier by placing two linear zenon lamps at specific angles to the document glass plane.