Three-phase current output circuit with temperature compensating

Details Three-phase current output circuit with temperature compensating Three-phase current output circuit with temperature compensating

1988-03-01

1989-09-19

Beha, Jr., William H.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323907, 330256, G05F 328

Patent

active

048684856

ABSTRACT:
A three-phase current output circuit for driving a three-phase brushless motor, the output circuit having a first current source and a second current source with positive temperature coefficients which are provided so as to negate a negative temperature coefficient which causes undesirable reduction of motor torque.

REFERENCES:
patent: 4238738 (1980-12-01), Komori
patent: 4636742 (1987-01-01), Oritani

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