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Portable electronic device having directional proximity sensors based on device orientation

  • US 8,275,412 B2
  • Filed: 12/31/2008
  • Issued: 09/25/2012
  • Est. Priority Date: 12/31/2008
  • Status: Expired due to Fees
First Claim
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1. A portable electronic device having one or more proximity sensors, the portable electronic device comprising:

  • a housing;

    a signal emitter supported by the housing, the signal emitter to emit a source signal;

    a reflector having a first position relative to the signal emitter to direct the source signal from the signal emitter in a first direction and a second position relative to the signal emitter to direct the source signal from the signal emitter in a second direction different from the first direction; and

    a signal receiver supported by the housing, the signal receiver to receive a return signal corresponding to the source signal.

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