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Sensor unit for controlling television set operation

  • US 6,259,486 B1
  • Filed: 10/20/1999
  • Issued: 07/10/2001
  • Est. Priority Date: 10/20/1999
  • Status: Expired due to Fees
First Claim
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1. A viewer-presence sensor unit for controlling operation of a television set, the sensor unit comprising:

  • a) a detector for sensing presence of a living being within a viewable distance of the television set and a timer for measuring the amount of time of non-presence of a living being to thereby provide a timer measurement;

    b) a power delivery circuit for delivering electricity to the television set and for receiving the timer measurement; and

    c) a power interruption switch activated by the power delivery circuit for terminating power to the television set upon reaching a timer measurement equal to a pre-set term of time.

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