Method and apparatus for measurement processing of satellite positioning system (sps) signals
CA 2634677 C · Owner: Krasner, Norman F. · Inventors: Sheynblat, Leonid; Krasner, Norman F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for measurement processing of Satellite Positioning System (SPS) signals. A plurality of SPS signals are received. The signal environment is characterized to produce signal environment data. Times of , arrival of respective satellite signals from the plurality of satellites are measured. , Data representing measured times of arrival are processes to produce a set of times , of arrival from which a location fix for a SPS receiver is calculated.
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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 January 24, 2000 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 24, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 24, 2022.
- 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.