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Controller for position detection

  • US 10,310,693 B2
  • Filed: 04/20/2018
  • Issued: 06/04/2019
  • Est. Priority Date: 10/09/2009
  • Status: Active Grant
First Claim
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1. A controller for position detection, performing at least the following operations:

  • determining at least one first 1-D position corresponding to at least one external object based on signals of a plurality of first sensors by self-capacitance detection; and

    determining at least one second 1-D position corresponding to the at least one first 1-D position based on signals of a plurality of second sensors by mutual-capacitance detection, wherein each second 1-D position is determined based on a differential sensing information including a plurality of mutual capacitive values at the same time, wherein each of plurality of mutual capacitive values is a difference between signals of two second sensors by mutual-capacitance detection.

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