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Method and system for controlling an external machine by a voice command

  • US 5,230,023 A
  • Filed: 01/30/1991
  • Issued: 07/20/1993
  • Est. Priority Date: 01/30/1990
  • Status: Expired due to Term
First Claim
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1. A method for controlling an external machine by a voice command, comprising steps of:

  • detecting a voice to be converted into an electric signal;

    extracting a voice pattern from said electric signal;

    comprising said voice pattern with reference voice patterns to pick up a certain reference voice pattern which corresponds to said voice pattern;

    calculating a similarity between said voice pattern and said reference voice pattern; and

    supplying a control signal to said external machine to be operated unless a halt command is generated in a waiting time dependent on a calculating result of said similarity.

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