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Radiating structure with integrated proximity sensing

  • US 10,276,922 B2
  • Filed: 11/27/2017
  • Issued: 04/30/2019
  • Est. Priority Date: 01/10/2014
  • Status: Active Grant
First Claim
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1. A system for detecting proximity of an object comprising:

  • a radiating structure including an insulator and a conductive radiating plate formed in an exterior surface of a computing device case, the computing device case substantially enclosing electronics of a computing device, the conductive radiating plate transmitting a radio-frequency carrier wave when fed by a radio-frequency signal; and

    a proximity sensor including a capacitance sensing circuit configured to detect proximity of the object by sensing capacitance changes between the conductive radiating plate and the object, the conductive radiating plate being a capacitance pad of the capacitive sensing circuit.

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