Self-stopping motor control circuit

Details Self-stopping motor control circuit Self-stopping motor control circuit

1987-03-17

1989-08-15

Ro, Bentsu

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Plural, diverse motor controls

318266, 318466, H02P 308, H02P 768

Patent

active

048578134

ABSTRACT:
A motor control circuit is disclosed, which comprises an operation switch to issue the forward rotation or reverse rotation signal, driving means to operate the motor to the forward or reverse direction in response to the forward rotation or reverse rotation signal from said operation switch, rotation detecting means to detect the rotating condition of the motor, and stopping means to cut off the power to said motor when, during the operation of the operation switch, the rotation detecting means continues to detect, for a certain period of time, that the rotation of the motor has been stopped.

REFERENCES:
patent: 3585470 (1971-06-01), Cornors
patent: 3891909 (1975-06-01), Newson
patent: 4001661 (1977-01-01), Terabayashi
patent: 4234833 (1980-11-01), Barrett
patent: 4288726 (1981-09-01), Vazquez-Cuervo et al.
patent: 4338552 (1982-07-01), Pilz et al.
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patent: 4514670 (1985-04-01), Fassel et al.
patent: 4544865 (1985-10-01), Sharp
patent: 4649398 (1987-03-01), Yamamoto et al.
R. W. Van Pelt et al., "Reel and Capstan Motor Rewind Control", IBM Technical Disclosure Bulletin, vol. 14, No. 2, pp. 615-617, July 1971.

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