Satellite positioning receiver using two signal carriers
CA 2486079 C · Owner: Martin, Nicolas · Inventors: Martin, Nicolas; Revol, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a satellite positioning receiver designed to perform a combined processing of first (S1) and second (S2) received radio signals separated in frequency. The receiver comprises first (40) and second (42) correlating circuits receiving respectively the first and second received signals each correlator having a carrier correlating channel (44 46), a code correlating channel (52, 54) an integrator (60, 62) for each code correlating channel the receiver further comprising: a central carrier phase discriminator (70) supplying a central carrier speed signal (Vpc); a device supplying, based on the central carrier speed and a sub-carrier speed (Vcc) the respective local …
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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 June 13, 2003 and granted August 13, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2025.
- 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
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.