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:
Nov. 25, 1986
Filed:
Feb. 21, 1985
Applicant:
Inventor:
Harry P Brueggemann, San Marino, CA (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350-67 ;
Abstract
A raster scanner system having double reflection from polygon facet surfaces which have aspheric curvature. In addition to providing a scan which is free of astigmatism and bow, the aspheric surfaces provide the scan and focus functions of conventional scan lens optics.
Brueggemann, Harry. (1986). Scanning systems with polygon scanner having curved facets (U.S. Patent No. 4624528). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4624528
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile