Electromagnetic-noise protection circuit
CA 2196957 A1 · Owner: Munch, Gaute · Inventors: Hansen, Jimmi; Munch, Gaute
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electromagnetic-noise protection circuit for protecting an electrical device which processes, wanted signals, comprises sensing means 11 12 for sensing the presence of ambient electromagnetic noise from which the electrical device is to be protected and filtering means 2, coupled to the sensing means 11 12 and intermitting the operation of the electrical device in time periods during which the sensing means 11 12 senses the presence of the ambientelectromagnetic noise. The sensing means 11 12 can include discriminating means 11 for discriminating wanted signals affected by ambient electromagnetic noise from wanted signals not affected by ambient electromagnetic noise wherein 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 February 6, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 6, 2019.
- 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.