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:
Aug. 09, 1988
Filed:
Sep. 18, 1987
Applicant:
Inventors:
Michael E Harrigan, Webster, NY (US);
James D Rees, Pittsford, NY (US);
Robert P Rebres, Fairport, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 52 ; 355-8 ; 355 75 ;
Abstract
A document imaging system is compensated for distortion caused by non-planarity in the documents by providing a positive lens with varying power at a location beneath the document platen. In a preferred embodiment, an aspheric fresnel lens is used as the compensating optical element.
Harrigan, Michael. (1988). Imaging system for compensating for image distortion due to wrinkled or (U.S. Patent No. 4763173). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4763173
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile