Device and method for limiting peaks of a signal
CA 2273527 A1 · Owner: Hahm, Mark David · Inventors: Hahm, Mark David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and device for limiting peaks of an input signal. The device and method isolate peaks of an input signal based on a clipping threshold voltage generate, an extrema signal representing the local extrema of the peak isolated signal filter the, extrema signal based on an appropriate impulse filter response to generate a filter signal, and combine the filter signal with the input signal delayed by a predetermined time period, to generate an impulse clipped signal. The impulse clipped signal has a reduced P/A ratio, and is without significant out-of band spectrum artifacts.
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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 June 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 3, 2021.
- 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.