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Wireless control device

  • US 6,747,632 B2
  • Filed: 09/07/2001
  • Issued: 06/08/2004
  • Est. Priority Date: 03/06/1997
  • Status: Active Grant
First Claim
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1. A wireless control device, comprising:

  • a base station including a sensor;

    a housing worn on a body of an operator, said housing including a plurality of optical emitters and a plurality of optical detectors;

    at least one optical emitter and at least one optical detector forming at least one x-axis emitter-detector pair for detecting an x-direction of a pointing motion or gesture;

    at least one optical emitter and at least one optical detector forming at least one y-axis emitter-detector pair for detecting a y-direction of a pointing motion or gesture; and

    , means for distinguishing between optical beams emitted from said plurality of optical emitters when reflected from a body part of the operator or another object and detected by said optical detectors.

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