Positioning method for optical touch device and optical touch device

Positioning method for optical touch device and optical touch device

  • CN 102,129,326 A
  • Filed: 01/19/2010
  • Published: 07/20/2011
  • Est. Priority Date: 01/19/2010
  • Status: Active Grant
First Claim
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1. the localization method of an optical touch control apparatus, be applicable to an optical touch control apparatus, to calculate the position of a shade, this optical touch control apparatus comprises a plurality of image detecting elements, each image detecting element comprises a plurality of pixels of direction arrangement along a straight line, it is characterized in that the localization method of this optical touch control apparatus comprises:

  • Those pixels of each image detecting element are divided into one first group and one second group at least, wherein when detecting the dim spot that this shade causes for this first group, the position of calculating this dim spot by one first algorithm, and when detecting this dim spot that this shade causes for this second group, the position of calculating this dim spot by one second algorithm.

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