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:
Apr. 12, 1983
Filed:
Oct. 02, 1980
Applicant:
Inventors:
Dennis G Fischer, Mountain View, CA (US);
Arnold L Bloom, Menlo Park, CA (US);
Assignee:
Coherent, Inc., Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350394 ; 350395 ;
Abstract
A broad band phase shifting system, having a fixed angle of phase retardation, has at least one broad band reflecting means in the system. The broad band reflecting means also has an angle of phase retardation, with the angle of phase retardation of the reflecting means less than the fixed angle of phase retardation of the system.