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. 22, 1987
Filed:
Sep. 22, 1986
Applicant:
Inventor:
Joseph H Labrum, West Jordan, UT (US);
Assignee:
Sperry Corporation, Blue Bell, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; G02F / ;
U.S. Cl.
CPC ...
455609 ; 329144 ; 350358 ; 364822 ;
Abstract
There is disclosed an acousto-optic filtering apparatus which includes Bragg cells in the signal path and in the local oscillator reference path of the apparatus in order to permit relatively high frequency signals to be detected by a relatively low frequency detector mechanism.