Speed control circuit for a DC motor having a Hall generator

Details Speed control circuit for a DC motor having a Hall generator Speed control circuit for a DC motor having a Hall generator

1974-12-20

1977-05-10

Dobeck, B.

Electricity: motive power systems

Reciprocating or oscillating motor

Energizing winding circuit control

318254, H02P 506

Patent

active

040230821

ABSTRACT:
An object of the present invention is to provide a comparator circuit for a control circuit of a Hall motor having a compensation function for correcting variation in reference voltage and in temperature and power source voltage, etc. by impressing an induction voltage which corresponds to the rotation speed of a motor and a reference voltage which corresponds to the reference number of rotation to the both input terminal of a differential type circuit in a control circuit for a Hall motor.

REFERENCES:
patent: 3864610 (1975-02-01), Kawamoto
patent: 3881142 (1975-04-01), Endo
patent: 3896357 (1975-07-01), Tanikoshi
patent: 3898544 (1975-08-01), Tanikoshi
patent: 3906320 (1975-09-01), Doemen
patent: 3916272 (1975-10-01), Grunleitner
patent: 3942083 (1976-03-01), Takahashi

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