Apparatus for repeating the same process

Details Apparatus for repeating the same process Apparatus for repeating the same process

1975-11-25

1978-03-07

Dobeck, B.

Electricity: motive power systems

Positional servo systems

Limit or end-stop control

318282, 318663, 356 89, G05G 500

Patent

active

040781984

ABSTRACT:
Two extreme points of a range within which a movable body is reciprocated, are set by two position setting means provided with variable resistors. The voltage at the sliding contact of a variable resistor coupled to the movable body is always compared with the voltages preset by the respective position setting means. The two signals produced as a result of the two comparisons are applied to a control circuit, the output of which causes the motor to drive the movable body to rotate in the forward or reverse direction in accordance with the two signals. Thus, the movable body automatically performs a reciprocal motion between the two preset extremes.

REFERENCES:
patent: 3378739 (1968-04-01), Livengood et al.
patent: 3532957 (1970-10-01), Mettert
patent: 3789283 (1974-01-01), Kabat
patent: 3890553 (1975-06-01), Diamond
patent: 3939388 (1976-02-01), Abe et al.

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