Automatic power supply for handheld remote control unit
CA 2414968 A1 · Owner: Shah, Reza H. · Inventors: Shah, Reza H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic power supply device for a remote control unit is shown. The device has a, rotatable multi-layer disc mounted in an open top casing with a tray slidably mounted in it. The, remote control unit is mounted on the tray which is movable up and down when a button of the, remote control unit is pressed and released. The disc has printed wire provided in the same area, of all layers. The area is located in a spaced manner between magnetic plates mounted in the, inside surface of the arms of a U-shaped stator member. Current is generated in the printed wire, when the disc is rotated. A capacitor is charged by the current to provide the voltage supply to, operate the remote …
Read the whole patent
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 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 23, 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.