Method and apparatus for wireless network hybrid positioning
CA 2896427 C · Owner: Qualcomm Incorporated · Inventors: Riley, Wyatt; Deloach, James D. Jr.; Sheynblat, Leonid
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods and apparatuses for position determination and other operations. In one embodiment of the present invention a mobile station uses wireless signals from a plurality of wireless networks (e.g. with different air interfaces and/or operated by different service providers) for position determination (e.g. for data communication for obtaining time and/or frequency information for range measurement, for sector or altitude estimation). In one embodiment of the present invention mobile stations are used to harvest statistical data about wireless access points (e.g. the locations of mobile stations that have received signals from the wireless access points such as from cellular base stations, …
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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 28, 2004 and granted January 23, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 28, 2026.
- 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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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.