Selectable servo ratio and dual speed control system for large c

Details Selectable servo ratio and dual speed control system for large c Selectable servo ratio and dual speed control system for large c

1978-01-10

1980-09-23

Smith, Jr., David

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318318, 318592, H02P 516

Patent

active

042245583

ABSTRACT:
A selectable servo ratio and dual speed centrifuge control apparatus utilizing a plurality of phase-lock loops with selected gain increments to provide motor control from coarse to fine in conjunction with an automatic acceleration and deceleration circuit.

REFERENCES:
patent: 3207970 (1965-09-01), Branco
patent: 3895278 (1975-07-01), Picunko
patent: 3953774 (1976-04-01), Sato et al.
patent: 3971995 (1976-07-01), Eielberger

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