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Canadian application, no grantCanada

Method and apparatus for indicating low signal quality in a digitized audio environment

CA 2424809 A1 · Owner: Goodjohn, Paul · Inventors: Peterson, Eugene Harold Iii; Goodjohn, Paul

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In accordance with the present invention the quality of a received digital , signal is determined by the receiver, such as by observing the received signal strength indication (RSSI), and/or the bit error rate (BER). When the quality drops below a first threshold, the receiver, injects white noise into the reproduced audio signal to simulate the noise that typically, accompanies an analog wireless signal of low quality. The amount of injected white noise may, be increased as the signal quality continues to decrease beyond the first threshold. Preferably, at, a second threshold at which the receiver can no longer reassemble the received signal, the white, noise is muted to audibly …

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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 April 9, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 9, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 9, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 9, 2003
GrantedNo grant recorded
Term endedApril 9, 2023
Patent numberCA 2424809 A1
Classification (IPC)H04L1/20 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedApril 9, 2003Term endedApril 9, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.