Method and apparatus for wireless powering and recharging
CA 2373911 A1 · Owner: Genuity Inc. · Inventors: Krishnan, Rajesh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement is provided for charging a charge storage device (20 102) by , placing the charge storage device (20 102) in an RF or microwave radiation , field. One or more antennas (30) which receive the radiated RF electromagnetic field are placed on the charge storage device (20 102). Rectifiers (58, 58') , connected to the antennas (30) rectify the received RF electromagnetic field and produce a DC output current which is used to charge the charge storage device (20, 102). The charge storage device (20 102) may be a battery (41) or , a capacitor and may form an integral part of an electronic device. The same RF field that charges the charge storage device (20 102) can also be …
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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 5, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 5, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 5, 2022.
- 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.