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:
Jan. 24, 1989
Filed:
Aug. 12, 1987
Applicant:
Inventor:
Andrew de Fremont, Chelmsford, GB;
Assignee:
GEC Avionics Limited, Rochester, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
250334 ; 250330 ;
Abstract
Bias current to an array of detectors is switched off during periods when the detectors are fruitlessly receiving energy from inside the image housing to either side of an optical aperture thereof. This reduces the generation of heat in the detectors.