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Optical positioning device with multi-row detector array

  • US 20050259078A1
  • Filed: 05/05/2005
  • Published: 11/24/2005
  • Est. Priority Date: 05/21/2004
  • Status: Abandoned Application
First Claim
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1. An optical displacement sensor for sensing relative movement between a data input device and a surface by determining displacement of optical features in a succession of images of the surface, the sensor comprising:

  • a plurality of linear comb arrays (LCAs) arranged along an associated axis, wherein each LCA comprises a row of photosensistive elements parallel to the associated axis.

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