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:
Sep. 21, 1976
Filed:
Sep. 18, 1974
Applicant:
Inventor:
George N Tsilibes, Rochester, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355-4 ; 353 97 ; 355-8 ; 355 71 ;
Abstract
An optical system in which the non-linearities in a light image are corrected. The optical system includes an opaque, movable belt having a plurality of slits therein. Each slit is of a different area with the width thereof increasing from the central region to the marginal regions thereof. The belt is moved to position a pre-selected slit in the optical light path substantially correcting the non-linearities in the light image.