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Capacitive proximity sensor configuration including an antenna ground plane

  • US 9,323,404 B2
  • Filed: 09/30/2013
  • Issued: 04/26/2016
  • Est. Priority Date: 09/30/2013
  • Status: Active Grant
First Claim
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1. A playback device comprising:

  • a capacitive proximity sensor positioned along a first surface of the playback device and configured to detect physical movement in a first direction;

    a radio frequency (RF) antenna oriented at a relative angle to the capacitive proximity sensor, wherein the RF antenna is coupled to the capacitive proximity sensor such that the capacitive proximity sensor is further configured to detect physical movement in a second direction, wherein the second direction is substantially oriented at the relative angle to the first direction;

    one or more processors; and

    tangible, non-transitory computer-readable memory having stored thereon instructions, wherein the instructions, when executed by the one or more processors, cause the playback device to perform functions comprising;

    determining based on a detection of physical movement by the capacitive proximity sensor, a physical approach of an entity towards the playback device from at least one of the first direction or the second direction.

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