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:
Jun. 23, 1987
Filed:
Aug. 02, 1984
Applicant:
Inventor:
Gordon A Shifrin, Malibu, CA (US);
Assignee:
Hughes Aircraft Company, Los Angeles, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01B / ; G01J / ; G01J / ;
U.S. Cl.
CPC ...
356 73 ; 356141 ; 356328 ;
Abstract
A spectral analyzer and direction indicator and direction indicator (10,20) is disclosed and includes reflection gratings (13,15,25,27,37,39), associated optical systems (17,19,29,33,41,45) and associated detectors (21,23,31,35,43,47,30). The reflection gratings (13,15,25,27,37,39) are arranged to provided angles of diffraction which are utilized to determine spectral content and incidence direction of collimated or essentially collimated incident radiation.