A method and device for chronologically synchronizing a location network
CA 2479579 A1 · Owner: Qx Corporation Pty Ltd. · Inventors: Small, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of chronologically synchronising a unique a unique positioning signal generated by a Positioning Unit Device at a known location to a reference transmitter generating a reference positioning signal at another known location, the method comprising: a) receiving and interpreting said reference positioning signal to determine a reference positioning signal propagation delay between the reference transmitter and the Positioning Unit Device b) , generating, transmitting and receiving said unique positioning signal c) , interpreting said received reference positioning signal to deduce: i) the transmit minus receive time of the reference positioning signal by said Positioning Unit …
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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 November 1, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 1, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 1, 2024.
- 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.