Curve following device

Details Curve following device Curve following device

1976-11-24

1978-12-05

Dahl, Lawrence J.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

318577, G05B 100

Patent

active

041284810

ABSTRACT:
A curve-following device having an optical sensing head which senses a guide zone containing the guide line to be followed and having at least a substantial transverse component, and which is movable along the guide zone at a substantially slower speed than the sensing rate and is connected to a control instrument which forms, from the signals delivered by the sensing head, control signals for the movement of the sensing head along the guide line. Marks associated with the guide line and detectable by the sensing head are detected for tripping further control commmands. At least one separate code zone which is sensed separately from the guide zone is provided at the side of the guide zone.

REFERENCES:
patent: 3286142 (1966-11-01), Redman
patent: 3478792 (1969-11-01), Oram
patent: 3496437 (1970-02-01), Layden
patent: 3673412 (1972-06-01), Olson
patent: 3739179 (1973-06-01), Krekow
patent: 3790788 (1974-02-01), Lister
patent: 3914595 (1975-10-01), Tinet

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