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DUAL MODE OPTICAL NAVIGATION DEVICE AND MODE SWITCHING METHOD THEREOF

  • US 20150212598A1
  • Filed: 01/28/2014
  • Published: 07/30/2015
  • Est. Priority Date: 01/28/2014
  • Status: Abandoned Application
First Claim
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1. A dual mode optical navigation device, operated in a first mode or a second mode on a working surface, the dual mode optical navigation device comprising:

  • a first bottom surface;

    a second bottom surface having an included angle with the first bottom surface;

    a light source configured to illuminate the working surface through the first bottom surface;

    an image sensor configured to capture an image frame of the working surface through the first bottom surface; and

    a process unit configured to calculate an image feature of the image frame to accordingly enter the first mode or the second mode,wherein the first bottom surface is configured to be contacted with the working surface in the first mode and the second bottom surface is configured to be contacted with the working surface in the second mode.

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