Method and apparatus for monitoring conditions of a vehicle tire using a monitoring device capable of transmitting data relating to an engineering condition of the tire
CA 2256878 C · Owner: Bridgestone Firestone North American Tire, Llc · Inventors: Hamaya, Hiromi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for monitoring various physical conditions of pneumatic tires and to a tire which includes a memory device mounted on the interior of the tire within , the pressurizable cavity and a separate monitoring device mounted on the tire rim. , The memory device contains a battery an antenna and stored data pertaining to the , tire. The monitoring device uses an active self-powered programmable electronic , circuitry which obtains data from the memory device and in addition contains one , or more sensors which obtains engineering conditions such as temperature pressure, tire rotation and/or other operated conditions of the pneumatic tire along , with the stored information from the …
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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 December 21, 1998 and granted March 15, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2020.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.