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:
Sep. 08, 1992
Filed:
May. 06, 1991
Applicant:
Inventor:
David Fink, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359861 ; 359865 ;
Abstract
This disclosure describes an optical system which serves to multiply the change in the path length of an optical system. The system employs an even number of pairs of mirrors which are displaceable along a line or lines parallel to an axis. Each segment of the optical path is between mirrors which are oppositely displaceable, so that the length of each segment is increased by an amount equal to twice the displacement of the mirror pairs.
Fink, David. (1992). Optical path length multiplication system (U.S. Patent No. 5146368). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5146368
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