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OPTICAL MOUSE

  • US 20090160773A1
  • Filed: 12/20/2007
  • Published: 06/25/2009
  • Est. Priority Date: 12/20/2007
  • Status: Abandoned Application
First Claim
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1. An optical mouse, comprising:

  • a light source configured to emit light having a wavelength in or near a blue region of a visible light spectrum toward a tracking surface at an oblique angle to the tracking surface;

    an image sensor positioned to detect non-specular reflection of the light from the tracking surface;

    one or more lenses configured to form a focused image of the tracking surface on the image sensor at the wavelength in or near the blue region of the visible light spectrum emitted by the light source; and

    a controller configured to receive image data from the image sensor and to identify a tracking feature in the image data.

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