Answer supervision with automatic voice sensitivity and cadence history
CA 1265632 C · Owner: Lindsey, Thomas A. · Inventors: Klapp, Charles J.; Lindsey, Thomas A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An answer supervision method comprising establishing a software threshold for each channel of a predetermined number of channels, storing the software thresholds, analyzing cadences of pulse code modulated (PCM) signals in each of the channels without reporting results, detecting a predetermined signal, detecting the duration of the predetermined signal, verifying a predetermined duration of silence after the duration of said predetermined signal sampling the pulse code modulated signals detecting, the presence or absence of a predetermined tone of thed sample pulse code modulated signal using the software thresholds, continuously analyzing the sample pulse code modulated signals to detect …
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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
- Granted February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
- 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.