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.

Date of Patent:
Apr. 24, 1984

Filed:

Jun. 04, 1981
Applicant:
Inventor:

Bo H Ljung, Wayne, NJ (US);

Assignee:

The Singer Company, Little Falls, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01C / ;
U.S. Cl.
CPC ...
356350 ; 350 9618 ; 372108 ;
Abstract

An electromechanically dithered ring laser gyroscope includes a beam combiner utilizing optical fibers instead of conventional optics. This permits a beam measuring photodetector and associated electronics to be positioned outside the gyroscope or its enclosure. The invention further includes a dither compensator using optical fibers thereby replacing sensitive electronic or optical dither compensating components.


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Ljung, Bo. (1984). Ring laser gyroscope with fiber optic beam combiner (U.S. Patent No. 4444502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4444502

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