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Optical pointing system and method

  • US 20120176311A1
  • Filed: 01/11/2011
  • Published: 07/12/2012
  • Est. Priority Date: 01/11/2011
  • Status: Abandoned Application
First Claim
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1. A system for pointing to a selected location on a surface, the system comprising:

  • a) a light-emitting device adapted for manually directing a spot of light onto the surface, the spot defining a first location on the surface, the spot being substantially invisible to unassisted human vision,b) an optical sensor adapted to convert light emitted by the light-emitting device and scattered at the first location, to an electronic signal representing the first location; and

    c) means for generating a visible marker on the surface in response to the electronic signal, the visible marker comprising the selected location.

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