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. 12, 1986
Filed:
Jul. 22, 1985
Applicant:
Inventor:
Richard H Burns, North Hollywood, CA (US);
Assignee:
Rockwell International Corporation, El Segundo, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01S / ; G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
350619 ; 350623 ; 350624 ; 372107 ;
Abstract
An apparatus for varying the vergence of a beam of light from a laser including first and second focusing reflector means; one for receiving the beam of light and another for directing it away from the apparatus in a predetermined direction. Intermediate the two focusing reflecting means, there is provided an arrangement of substantially flat surface reflector means, one of which is moveable for varying the length of the path of the beam of light through the apparatus. In accordance with a preferred embodiment, the two focusing reflecting means comprise parabolic mirrors and the moveable reflector means comprises a piston mirror.