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Apparatus having capacitive sensor

  • US 6,442,013 B1
  • Filed: 06/20/2000
  • Issued: 08/27/2002
  • Est. Priority Date: 06/21/1999
  • Status: Expired due to Term
First Claim
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1. An electronic device having a capacitive proximity sensor, comprising:

  • a first electrode;

    a second electrode as a part of and parallel to a front cover, said first electrode having a flat surface of the plate; and

    detector means connected to the first electrode and the second electrode for detecting the capacitance of the first electrode relative to the second electrode and for providing a control signal responsive to the capacitance;

    wherein the flat surface of the plate of the first electrode is perpendicular to the front cover.

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