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. 01, 2016
Filed:
Feb. 27, 2013
Applicant:
Raytheon Company, Waltham, MA (US);
Inventor:
David N. Sitter, Jr., Torrance, CA (US);
Assignee:
RAYTHEON COMPANY, Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 23/06 (2006.01); G02B 23/02 (2006.01); G02B 17/06 (2006.01); G02B 13/14 (2006.01); G01S 3/781 (2006.01); G01S 3/786 (2006.01);
U.S. Cl.
CPC ...
G02B 17/0642 (2013.01); G01S 3/781 (2013.01); G01S 3/786 (2013.01); G02B 13/146 (2013.01);
Abstract
An afocal telescope configured for back-scanned imagery including a three mirror anastigmat and an optical element positioned proximate an intermediate image plane of the three mirror anastigmat and configured to adjust distortion characteristics of the afocal telescope to control image wander on a focal plane array. The optical element may be a field correcting lens or mirror, for example.