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SENSING DEVICES AND DISPLAY DEVICES

  • US 20130043942A1
  • Filed: 08/15/2011
  • Published: 02/21/2013
  • Est. Priority Date: 08/15/2011
  • Status: Active Grant
First Claim
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1. A sensing device successively operating in a plurality of operation periods, comprising:

  • a plurality of first electrodes disposed successively;

    a plurality of differential amplifiers at least comprising a first differential amplifier and a second differential amplifier, each comprising a first input terminal and a second input terminal; and

    a plurality of sensing circuits each having an input terminal and an output terminal, wherein the plurality of sensing circuits at least comprise first, second, and third sensing circuits;

    wherein the input terminals of the sensing circuits are coupled to the first electrodes; and

    wherein the output terminals of sensing circuits are coupled to the differential amplifiers;

    wherein the output terminal of at least one of the plurality of sensing circuits is coupled to both of the first differential amplifier and the second differential amplifier.

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