Optical reference element and procedure for the spectral calibration of an optical spectrum analyzer
CA 2325646 A1 · Owner: Loecklin, Eberhard · Inventors: Loecklin, Eberhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Optical Reference Element and Procedure for the Spectral Calibration of an Optical Spectrum Analyzer Optical reference signal with a gas sealed in a space an, optical fiber and a lens collecting the light beam exiting the optical fiber before the front end of the space. and a photodetector at the back end of the space which can be, connected with an evaluation device. Such an optical reference element makes it possible to use cost-effective and readily available components to provide a reference signal for calibrating an optical spectrum analyzer for, example. The optical reference element is connected to the output of the optical device.
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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
- Filed November 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 9, 2022.
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Timeline
Timeline From CIPO dates
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.