Apparatus for driving stepping motor of camera

Details Apparatus for driving stepping motor of camera Apparatus for driving stepping motor of camera

1998-02-09

2000-04-18

Martin, David

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318696, 396132, 396135, G05B 1940

Patent

active

060519495

ABSTRACT:
A stepping motor driving apparatus for a camera includes 1-2 phase excitation type stepping motors and a drive controller for driving and stopping the stepping motors so that the driven stepping motors are stopped always at a detent position.

REFERENCES:
patent: 4812727 (1989-03-01), Sakai et al.
patent: 5117137 (1992-05-01), Kobayashi
patent: 5126896 (1992-06-01), Yamagata
patent: 5594311 (1997-01-01), Yasuda et al.

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