Touch sensor circuit
CA 2229189 A1 · Owner: Jaros, Jeffrey J. · Inventors: Jaros, Jeffrey J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A touch sensitive sensor circuit having a touch input pad for receiving a , person's touch, and a power switching circuit for applying AC power to a load wherein the Ac power includes a line-hot and line-neutral input and wherein a , person's touch on the touch input pad creates a circuit connection between the line-hot AC input and earth ground that triggers the power switch the touch , sensor circuit comprising a sense input circuit connected between the touch input pad and the power switching circuit and a power supply and reference circuit including AC to DC conversion circuitry that generates positive ground DC voltage references that track the line-hot AC input and that supply DC …
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 February 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 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.
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.