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:
Oct. 24, 2006
Filed:
Apr. 29, 2004
Applicant:
Roger Hill, Silverburn, GB;
Inventor:
Roger Hill, Silverburn, GB;
Assignee:
Selex Sensors and Airborne Systems Limited, Essex, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser transmitter unit is described, the unit including a laser diodeemitting laser radiation into a lens system. The lens system includes collimating lenses L, Land focussing lenses L, L. Additionally, compensating or steering lens S, Sare positioned between the collimating lenses L, Land the focussing lenses L, L. The steering lenses S, Sact to reduce the sensitivity of the focussing lenses L, Lto position within the lens system. The position of the focussing lenses can be difficult to control, particularly when the lenses are welded into position in the laser transmitter unit