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Expired Canadian patentCanada

System for generating sample tones on an electronic musical instrument

CA 1099542 A · Owner: Casio Computer Co. Ltd. · Inventors: Kashio, Toshio

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Abstract From the Canadian patent

A SYSTEM FOR GENERATING SAMPLE TONES, ON AN ELECTRONIC MUSICAL INSTRUMENT" Abstract of the Disclosure, An electronic musical instrument can be previously arranged to produce musical tones beloging to the selected one of many different types of musical instrument. Before playing, a player selects a given type of musical tone, and later carries out a performance based on the selected type of musical instrument by operation of a keyboard, In this case, the electronic musical instrument is provided with the corresponding number of selection keys to that of the types of musical instrument. Before playing the player picks up that type of musical instrument which he considers most adapted for a …

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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 April 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 21, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 10, 1978
GrantedApril 21, 1981
Term endedApril 21, 1998
Patent numberCA 1099542 A
Classification (IPC)G10H5/00 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedOct 10, 1978Patent grantedApril 21, 1981Term endedApril 21, 1998

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