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Canadian application, no grantCanada

Apparatus and method to train operators of speech recognition system

CA 2083769 A1 · Owner: Hirsh, Hanavi M. · Inventors: Hirsh, Hanavi M.

CIPO record

Overview

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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 a continuous speech recognition system of my design which employs operator-generated word-marker signals this invention, provides an improvement in the form of a system which trains operators to send signals which coincide in time with the onset of speech production for each word. Those signals act as markers which explicitly delimit the individual words in an utterance. The problem of large vocabulary continuous speech recognition is extremely difficult, if not intractable given the current state, of recognition technology. The recognition of utterances composed of words separated by pauses, however, is a much simpler problem which can be readily handled by available methods and …

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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 November 25, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 25, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 25, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 25, 1992
GrantedNo grant recorded
Term endedNovember 25, 2012
Patent numberCA 2083769 A1
Classification (IPC)G10L15/06 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedNov 25, 1992Term endedNov 25, 2012

Sources & verification

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