System and method to obtain signal acquisition assistance data
CA 2522919 C · Owner: Riley, Wyatt Thomas · Inventors: Gaal, Peter; Riley, Wyatt Thomas; Sheynblat, Leonid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Signal acquisition assistance data is obtained for receiving devices such as wireless position assisted location devices (208 210) seeking signals from , any source (B1-B10) such as satellite vehicles and base stations. The data may be obtained from previously acquired data based upon evaluation of , changes in parameters such as time and location that may jeopardize validity. In some cases the data may be adjusted for the changes in parameters. Refined data may be calculated by a receiver using partial measurements of signal sets, particularly if the acquisition assistance data provided by a remote entity includes more distinct parameters than have typically been provided. New data …
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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 April 2, 2004 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 2, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 2, 2026.
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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.