Agricultural implement steering guidance system and method

Details Agricultural implement steering guidance system and method Agricultural implement steering guidance system and method

1983-08-24

1985-11-26

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358103, 358108, H04N 718

Patent

active

045557250

ABSTRACT:
A video guidance system for visually displaying a row mark traced on the surface of a field during a previous traverse to the operator of a farm tractor pulling a planter has left and right row markers depending respectively from opposite outer sides of the planter for tracing row marks on the field; a video monitor on the tractor in the field of view of the operator; left and right video cameras mounted on the planter adjacent the outer edges thereof with the optical axis of each camera directed forwardly and inclined at a slight angle to the horizontal so that it images a substantial length of a row mark traced on a previous swath; and switch means for selectively connecting the video monitor to the left or to the right video cameras, whereby each scanning line of the video monitor raster creates a different spot on the image of the substantial length of the sensed row mark and such spots on successive scanning lines of the monitor raster are images of points spaced apart in said sensed row mark so the spots on the multiplicity of scanning lines forms an elongated steering vector which indicates to the tractor operator the direction the tractor is to be steered in order to maintain constant and consistent spacing between rows sown during successive swaths.

REFERENCES:
patent: 3530235 (1970-09-01), Bolton
patent: 4211921 (1980-07-01), Kanetou
patent: 4214266 (1980-07-01), Myers
patent: 4288814 (1981-08-01), Talley
patent: 4299483 (1981-11-01), Groue
patent: 4365268 (1982-12-01), Allen

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