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ELECTRODE ARRANGEMENT FOR A KEYBOARD PROXIMITY AND TRACKING SENSOR

  • US 20140160027A1
  • Filed: 12/10/2012
  • Published: 06/12/2014
  • Est. Priority Date: 12/10/2012
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a first electrode to transmit a signal; and

    at least one second electrode to receive the signal, wherein;

    the first electrode is located on a first level of a keyboard assembly,a second electrode is located on a second level of the keyboard assembly,transmission of the signal is to generate an electric field between the first and second electrodes, the electric field to be generated above the keyboard assembly based on a distance between the first and second electrodes.

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