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. 04, 1992
Filed:
Jun. 06, 1991
Applicant:
Inventor:
Brian F Smith, Essex, GB;
Assignee:
GEC-Marconi Limited, Stanmore, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
359217 ; 359205 ; 359837 ; 250236 ;
Abstract
A scanning thermal imager includes means to compensate for a degree of undesirable asymmetry introduced by an element such as a spherical lens operating in an off axis manner. The means can advantageously include an optical element mounted in the optical path with at least one main face at an angle other than normal to the path and arranged to introduce a desired degree of compensating asymmetry.