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:
Mar. 24, 1998
Filed:
Oct. 29, 1996
Applicant:
Inventor:
Robert D Sigler, Cupertino, CA (US);
Assignee:
Lockheed Missiles & Space Company, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359665 ; 359797 ;
Abstract
A color corrector having a liquid lens with abnormal dispersion characteristics is coupled axially to an achromatic optical system to reduce its residual color errors. The color corrector is positioned along the axis between the entrance pupil of the achromatic lens system and the image plane.