1
Timothy R Pryor: Robot tractors. Diffracto, Larson and Taylor, November 13, 1984: US04482960 (176 worldwide citation)

Disclosed is an electro-optical and microcomputer based method and apparatus for automatically guiding tractors and other farm machinery for the purpose of automatic crop planting, tending and harvesting. Also disclosed are means for automatic picking, excavating and other off-road uses in relativel ...


2
Timothy R Pryor: Robot tractors. Diffracto, Larson and Taylor, September 6, 1988: US04769700 (151 worldwide citation)

Disclosed is an electro-optical and microcomputer based method and apparatus for automatically guiding tractors and other farm machinery for the purpose of automatic crop planting, tending and harvesting. A target is preferably located at one boundary of the field which serves as a reference. The po ...



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