Fiber optic gyroscope with improved bias stability and repeatability and method
CA 1295828 C · Owner: Litton Systems, Inc. · Inventors: Pavlath, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
FIBER OPTIC GYROSCOPE WITH IMPROVED, BIAS STABILITY AND REPEATABILITY AND METHOD ABSTRACT OF THE DiSCLOSURE, A fiber gyroscope provides improved bias stability and repeatability and has a greatly reduced polarizer extinction ratio requirement compared previous devices. This fabrication technique is compatible with both an all fiber gyroscope configuration and an integrated optics or bulk optics device. The present invention comprises a substrate that is preferably formed of fused silica. A pair of optical fibers or two lengths of one fiber, are mounted to the substrate and first planar surfaces are formed in the cladding. Optical couplers, polarizers and other components used in forming the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted February 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 18, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.