Driving method, driving mechanism, and image capturing...

Details Driving method, driving mechanism, and image capturing... Driving method, driving mechanism, and image capturing...

2007-04-24

2007-04-24

Leykin, Rita (Department: 2837)

Electricity: motive power systems

Open-loop stepping motor control systems

C318S685000, C396S052000, C396S055000, C348S208990

Reexamination Certificate

active

11257934

ABSTRACT:
The driving method of the present invention is a driving method to drive a stepping motor driven by a predetermined driving pulse, by the servo driving method, and is characterized in that a predetermined sampling period is set, and the generation condition of the driving pulse to drive the stepping motor is set at the sampling periods. Thereby, the stepping motor can be driven while the most suitable driving condition is determined at the predetermined sampling periods. That is, since the driving condition of the stepping motor can be changed at the sampling periods, even when the stepping motor driven by the driving pulse is the driving source, appropriate servo control can be realized.

REFERENCES:
patent: 5309190 (1994-05-01), Shinohara et al.
patent: 5850575 (1998-12-01), Ohishi
patent: 6141498 (2000-10-01), Hara
patent: 6208377 (2001-03-01), Morofuji et al.
patent: 6233009 (2001-05-01), Morofuji et al.
patent: 11-41989 (1999-02-01), None
patent: 2000-093846 (2000-04-01), None

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