Tracer control circuit

Details Tracer control circuit Tracer control circuit

1977-01-26

1978-09-26

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318579, 318637, G05B 1936

Patent

active

041173856

ABSTRACT:
A tracer control circuit for guiding a probe around a template comprising analog computers for calculating normalized values of x and y deflection signals and x and y velocity signals. The circuit comprises means for rotating the vector defined by the normalized deflection signals to drive the probe tangent to the template edge and means for rotating the vector defined by the normalized velocity signals to establish a probe deflection reference against which actual deflection may be compared and controlled.

REFERENCES:
patent: 3956680 (1976-05-01), Maecker
patent: 4044289 (1977-08-01), Wenzel et al.

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