Remote sensor, device and method for activating selected remote sensor components
CA 2525110 C · Owner: Valtion Teknillinen Tutkimuskeskus · Inventors: Seppa, Heikki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This publication discloses a remote identifier a reader, and a method for , activating a desired remote identifier. The remote identifier (2) includes a microcircuit (7), in which there is a memory and means for processing a radiofrequency signal, an antenna (6) connected to the microcircuit (7) by means , of which both the signal and also electric power for the operating voltage of the microcircuit (7) can be received. According to the invention a component , (3), the electrical properties of which change due to the effect of infrared or visible light, is electrically connected to the microcircuit (7) of the remote identifier and in the microcircuit (7) there are means by which 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 May 11, 2004 and granted August 28, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 11, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 11, 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.