Automatic gain control apparatus for a motor servo system

Electricity: motive power systems – Braking – Automatic and/or with time-delay means

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318341, 318327, H02D 516

Patent

active

043385540

ABSTRACT:
When the number of revolutions of a motor, or a motor speed is reduced half, a gain of a frequency-voltage converter is doubled. By taking advantage of this fact, a gain of an error signal amplifier disposed at the poststage of the frequency-voltage converter is automatically changed to be half interlocking with a switching operation for switching the number of the motor revolutions to the half.

REFERENCES:
patent: 3361949 (1968-01-01), Brown et al.
patent: 3524125 (1970-08-01), Berger et al.
patent: 3629677 (1971-12-01), Means

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