Radiofrequency signal receiver with means for correcting the effects of multipath signals, and method for activating the receiver
CA 2387891 A1 · Owner: Asulab S.A. · Inventors: Farine, Pierre-Andre; Montheard, Anne; Oesch, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The receiver (1) for radio-frequency signals (SV1 SV2, SV3, SV4), modulated, by specific codes of transmitting sources such as satellites (S1, S2, S3, S4), includes receiving and shaping means with frequency conversion for the radio-frequency signals for generating intermediate signals a correlation stage formed of , several correlation channels for receiving the intermediate signals and microprocessor means, connected to the correlation stage in order to process the extracted data after, correlation. Each channel includes a correlator in which the intermediate signals are, correlated with at least two early and late replicas of the specific code of a visible, transmitting source to be …
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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 May 29, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 29, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 2024.
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Timeline
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.