Telephone with sound customizable to audiological profile of user
CA 2316074 A1 · Owner: Lucent Technologies, Inc. · Inventors: Smith, David L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is disclosed a telephone device (20) including a tone generator for generating a sequence of tone signals over a predetermined frequency range. A speaker, (38) converts the tone signals to audio signals. A feedback mechanism (50 or 60) is, provided for a listener hearing the audio signals to indicate audiological sensing of the, audio signals. The listener responses are stored in a memory (44) as an audiological, profile. A processor (44) converts the audiological profile to a set of tap weights also for, storage in the memory. When an incoming call is present a filter receives the , set of tap, weights and the incoming call signal. The filter provides an output that is a …
Read the whole patent
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 16, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 2022.
- 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.