Analog radio communicator with fade compensation
CA 2131136 A1 · Owner: Miller, Robert Raymond, Ii · Inventors: Miller, Robert Raymond, Ii; Erving, Richard Henry; Embree, David Marlin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, An analog radio voice communicator includes a speech encoding system that acts in series with normal analog speech processing. Normal corrupted speech is encoded during operation of the radio voice communicator. The signal strength of the incoming speech signal is monitored. During fades when the signal strength is below a threshold value a fade is recognized and the resultant noise signal remaining is ignored by the speech encoding system. A decoder is included in the communicator and operates in cooperation with the encoder and responds to the fade and for the interval of the fade substitutes reconstructed speech in place of the noise signal. Reconstruction is based on the most …
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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 August 30, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 30, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 30, 2016.
- 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.