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Proximity Sensor with Asymmetric Optical Element

  • US 20130075595A1
  • Filed: 09/23/2011
  • Published: 03/28/2013
  • Est. Priority Date: 09/23/2011
  • Status: Active Grant
First Claim
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1. Apparatus, comprising:

  • a light-based proximity sensor including a light source and a light detector; and

    optical structures through which light from the light source passes, wherein the optical structures include light collimating structures and light deflecting structures.

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