Speech recognition system
CA 2206505 A1 · Owner: Kato, Yasuko · Inventors: Kato, Yasuko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To construct an inexpensive speech recognition system a speech recogntion, system includes an analyzing unit for extracting a sound sequentially dividing the, sound into a plurality of frames converting each of the frames sequentially to first data, and sequentially storing the first data to an input pattern memory a distance, calculating unit for reading a predetermined number of the first data from the input pattern memory, reading one of second data from a standard pattern memory calculating first distances between each of the predetermined number of the first data and the one of the second data, and a judging unit for judging a word representing the sound based on the first distances.
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 May 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 29, 2019.
- 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.