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Object sensor and method for use in controlling an agricultural sprayer

  • US 5,278,423 A
  • Filed: 12/30/1992
  • Issued: 01/11/1994
  • Est. Priority Date: 12/30/1992
  • Status: Expired due to Term
First Claim
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1. A laser sensor for detecting foliage and providing outputs useful in controlling an agricultural sprayer having controllable sprayer heads, the laser sensor comprising:

  • laser means for determining a range from the sensor to the foliage located in a row of such foliage along which the sensor is transported and for providing respective range data outputs corresponding with a sensor angle for each range data output;

    means for determining a travel distance for the sensor along the foliage, the travel distance representing distance between the sensor and the spray heads; and

    means for processing the respective range data output and travel distance for determining the presence and signature of sensed foliage, the processing means providing control signals useful to the agricultural sprayer.

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