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Active proximity sensor with adaptive electric field control

  • US 10,337,886 B2
  • Filed: 01/23/2017
  • Issued: 07/02/2019
  • Est. Priority Date: 01/23/2017
  • Status: Active Grant
First Claim
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1. A proximity sensor assembly comprising:

  • a proximity sensor configured to generate an electric field emanating from the proximity sensor assembly, the proximity sensor having a first side surface, a second opposite side surface, and a sensor pad having an applied conductive material;

    an insulating layer in overlapping contact with the first side surface of the proximity sensor; and

    a segmented electrode having two or more segments, the two or more segments in overlapping contact with the insulating layer and overlapping the applied conductive material of the sensor pad at the first side surface of the proximity sensor, at least a first segment of the segmented electrode being configured to direct the electric field emanating from the proximity sensor and at least a second segment of the segmented electrode being configured to direct the electric field emanating from the proximity sensor differently than the first segment by repelling point charges through the applied conductive material from the first segment and concentrating the point charges in the applied conductive material at the second segment.

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