Pulse motor driver

Details Pulse motor driver Pulse motor driver

1994-12-23

1996-10-08

Ro, Bentsu

Electricity: motive power systems

Open-loop stepping motor control systems

318701, H02P 814, G01C 2200

Patent

active

055634869

ABSTRACT:
A driving circuit of a pulse motor for use in a vehicle odometer is provided. The driving circuit includes a pulse source for providing drive pulses, in sequence, to a plurality of phase coils of the pulse motor, and a wave-shaper for shaping leading and trailing edges of each of the drive pulses so as to vary at a given rate in plural steps for noiseless smooth rotation of the pulse motor.

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patent: 4490663 (1984-12-01), Kamiyama et al.
patent: 4495455 (1985-01-01), Araki
patent: 4697129 (1987-09-01), Enami et al.

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