Method for locating mobile terminals, system and components therefor
CA 2485408 C · Owner: Rosenga, Giorgio · Inventors: Salio, Stefano; Rosenga, Giorgio; Annunziato, Armando
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To locate a mobile terminal (MS1, MS2, ...) within a mobile communication network comprising at least a radio base station (BTS1 BTS2, ... BTSn), a , set of physical dimensions are measured which identify, according to , respective functions the location co-ordinates (x, y, z) of the mobile terminal. The method comprises the steps of: generating starting from said , set of physical dimensions and respective functions a global locating error , function (.phi.) which has a minimum for values of said locating co-ordinates (x, y, z) corresponding with the position occupied by said mobile terminal seeking the minimum of said error function (.phi.) by varying at least one of said locating …
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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 28, 2003 and granted May 15, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 28, 2025.
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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.