Motor control device

Details Motor control device Motor control device

1988-03-25

1990-01-30

Ruggiero, Joseph

Boots, shoes, and leggings

318599, 318608, 355233, 364400, 388810, 388811, 388813, 388904, G06F 1546, G03G 1500

Patent

active

048977780

ABSTRACT:
There is provided a motor control device comprising a motor; an apparatus for entering the number of revolutions of the motor; a detector that detects the number of revolutions of the motor; and a microcomputer for entering the output from the detector and a controlling the motor according to predetermined programs, wherein the microcomputer comprises a counter to which a count value is set according to a circuit from the input to form a reference frequency signal and a circuit for forming a phase error signal according to the reference frequency signal and the output of the detector and outputs a signal for driving the motor based on the phase error signal.

REFERENCES:
patent: 3820893 (1974-06-01), Donohue et al.
patent: 3906327 (1975-09-01), O'Callaghan et al.
patent: 3917400 (1975-11-01), Rodek et al.
patent: 4287461 (1981-09-01), Promis et al.
patent: 4313074 (1982-01-01), Nomura et al.
patent: 4332461 (1982-06-01), Cail et al.
patent: 4346434 (1982-08-01), Morinaga

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