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IMAGE SCREENING TO REDUCE HALOS

IP.com Disclosure Number: IPCOM000023847D
Original Publication Date: 1979-Feb-28
Included in the Prior Art Database: 2004-Apr-01

Publishing Venue

Xerox Disclosure Journal

Abstract

In electrophotographic printing, it is frequently necessary to employ a screening system which modulates the resultant latent image recorded on a photoconductive surface. A typical screening system may be additive wherein a light source illuminates the screen to project a screened pattern on a photoconductive surface in superimposed registration with the latent image recorded thereon, In the alternative, a multiplicative screening system may be employed wherein the light image of the original document passes through the screen as it illuminates the