Stepping motor controller, printer, stepping motor control...

Details Stepping motor controller, printer, stepping motor control... Stepping motor controller, printer, stepping motor control...

2006-06-13

2008-09-23

Ro, Bentsu (Department: 2837)

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

C318S696000

Reexamination Certificate

active

07427847

ABSTRACT:
A stepping motor control method including: supplying hold current for holding a rotor of a stepping motor at a prescribed angle to the stepping motor as required while the stepping motor stops; performing a phase change at a frequency lower than a maximum self-start frequency when the stepping motor is rotated, under a state that the hold current is not supplied to the stepping motor, from a stopping state; and then, performing an accelerating process.

REFERENCES:
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patent: 5235264 (1993-08-01), Kaneda et al.
patent: 5291111 (1994-03-01), Hirano
patent: 6222340 (2001-04-01), Kawabata et al.
patent: 6459229 (2002-10-01), Kawanabe
patent: 6963415 (2005-11-01), Saito
patent: 7026781 (2006-04-01), Yamazaki et al.
patent: 2002-281788 (2002-09-01), None

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