Browse Prior Art Database

VARIABLE THICKNESS CORRECTOR PLATE

IP.com Disclosure Number: IPCOM000025667D
Original Publication Date: 1987-Feb-28
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 69K

Publishing Venue

Xerox Disclosure Journal

Abstract

Document imaging systems are prone to uneven exposure levels at an image plane due to factors such as uneven object plane illumination, cos 4 fall-off and the like. One method for correcting for this uneven light distribution is to use an illumination plate of var ing thickness to vary the transmission of light