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:
May. 29, 1990
Filed:
May. 16, 1988
Applicant:
Inventor:
Herschel Burstyn, Plainsboro, NJ (US);
Assignee:
Litton Systems, Inc., Beverly Hills, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B / ;
U.S. Cl.
CPC ...
356338 ; 356351 ;
Abstract
An optical double-balanced quadrature mixer for analysis of optical spectra, particularly asymmetric optical spectra. Beam splitting means are used in conjunction with a quarter wavelength retardation plate to enable highly stable, accurate and precise spectral analysis. The invention is illustrated in the context of a generic light scattering test setup.