Method and apparatus for improving listener differentiation of talkers during a conference call
CA 2491922 A1 · Owner: General Instrument Corporation · Inventors: Craner, Michael L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and associated apparatus for indicating the voice of each talker from a plurality of talkers to be heard by a listener. A talker indicator (Fig. 2 32) is provided proximate to the listener. Talker identification information is generated in the talker indicator that can be used to indicate the identity of each talker who is speaking at any given time to the listener. A device (Fig. 1, 23) is coupled to the talker indicator that can transmit the voice signal from each talker to the listener. In different aspects the talker , identification information can include such varied indicators as audio video, or an announcement combined with a temporally compressed voice signal. In …
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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 July 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 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.
Timeline
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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.