Electricity: motive power systems – Positional servo systems – With stabilizing features
Patent
1975-11-17
1977-10-25
Schaefer, Robert K.
Electricity: motive power systems
Positional servo systems
With stabilizing features
318677, 328147, G05B 501
Patent
active
040557880
ABSTRACT:
A motor control circuit is arranged to provide selected control signals for operating a motor to rotate a motor shaft in a predetermined direction until the motor control circuit provides a high frequency control signal for substantially stopping motor operation.
REFERENCES:
patent: 3657660 (1972-04-01), Pfersch
patent: 3704404 (1972-11-01), Iversen
patent: 3805184 (1974-04-01), Visioli, Jr. et al.
patent: 3873853 (1975-03-01), Ahmed
Bratlie Oistein J.
Feldhaus John J.
Mahoney Donald E.
Schaefer Robert K.
The Gillette Company
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