The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 1978
Filed:
May. 21, 1976
Applicant:
Inventor:
Richard M Bobbe, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03B / ;
U.S. Cl.
CPC ...
355-4 ; 355 / ; 355 71 ;
Abstract
An electrophotographic printing machine in which a screen interposed in the path of the light image modulates the light image irradiating the charged portion of a photoconductive member. The screen comprises a plurality of sets of light filtering regions. Each set of light filtering regions is substantially complementary in color to the color of the filtered light image, and rotated through a pre-selected angle relative to the next adjacent set of light filtering regions.