Drive control circuit for d.c. motor

Details Drive control circuit for d.c. motor Drive control circuit for d.c. motor

1976-04-19

1978-03-21

Dobeck, B.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318318, 318329, G05B 500, H02P 500

Patent

active

040805557

ABSTRACT:
The rotation of a motor is controlled to maintain a standard frequency from a standard frequency generator in synchronism with the frequency of a tachogenerator which is associated with the d.c. motor. In order to prevent the motor rotation from being stabilized at a number of revolutions other than a predetermined number of revolutions, there are provided an acceleration circuit and a stop circuit for forcedly controlling the motor rotation at the predetermined number of revolutions.

REFERENCES:
patent: 2932778 (1960-04-01), Curtis
patent: 3110853 (1963-11-01), Jones
patent: 3154730 (1964-10-01), Houldin et al.
patent: 3298622 (1967-01-01), Raymond et al.
patent: 3500160 (1970-03-01), Sommer
patent: 3628114 (1971-12-01), Pattantyus
patent: 3858100 (1974-12-01), Bussi et al.
patent: 3931556 (1976-01-01), Ban et al.

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