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Selective plant discrimination

  • US 20040149893A1
  • Filed: 03/30/2004
  • Published: 08/05/2004
  • Est. Priority Date: 04/26/2001
  • Status: Active Grant
First Claim
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1. An apparatus for selectively discriminating vegetation or plant matter, the apparatus comprising:

  • light emitting means for generating a beam of light that can be directed onto plants or plant matter over which the light emitting means moves relative to the plants or plant matter;

    light sensing means for sensing light transmitted from said light emitting means and reflected from said plants or plant matter, and generating a reflection signal in response to said sensing;

    distance sensing means for sensing the relative distance moved in relation to said plants or plant matter by said light emitting means and generating a distance signal in response to said sensing; and

    , processing means operatively connected to said light sensing means and distance sensing means for combining said reflection signal and distance signal whereby, in use, different types of plants or plant matter can be discriminated.

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