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Sound controllable apparatus particularly useful in controlling toys and robots

  • US 5,209,695 A
  • Filed: 05/13/1991
  • Issued: 05/11/1993
  • Est. Priority Date: 05/13/1991
  • Status: Expired due to Fees
First Claim
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1. Apparatus for controlling a device according to different sound commands, comprising:

  • a microphone for receiving sounds;

    a processor including means for measuring the time of interruption between the received sounds, and means for determining that the end of a sound has occurred if the interruption is within a first predetermined time period, and that the end of a command has occurred if the interruption is within a second, larger, predetermined time period;

    said first predetermined time period being a fraction of one second, and said second predetermined time period being between 1-3 seconds;

    and a control system for controlling the device in accordance with the number of interrupted sounds in the received sound command.

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