Apparatus for controlling stepping motor

Details Apparatus for controlling stepping motor Apparatus for controlling stepping motor

1997-04-09

1999-10-05

Sircus, Brian

Electricity: motive power systems

Open-loop stepping motor control systems

318365, 346134, 347104, 347139, H02P 600

Patent

active

059630060

ABSTRACT:
An apparatus for controlling a stepping motor used in feeding a sheet, for example, in a facsimile device, includes a driving unit for driving a stepping motor, and an controller for controlling the drive unit, depending upon drive conditions of the stepping motor, to control at least one of the excitation method and the drive current of the stepping motor, thereby suppressing the generation of heat upon stopping of the motor, and stabilizing the rotation thereof.

REFERENCES:
patent: 3953774 (1976-04-01), Sato et al.
patent: 4476421 (1984-10-01), Moriguchi
patent: 4477196 (1984-10-01), Ito
patent: 4857817 (1989-08-01), Kugioka
patent: 5041773 (1991-08-01), Takahashi
patent: 5184310 (1993-02-01), Takenouchi
patent: 5283510 (1994-02-01), Tamahi et al.
patent: 5289095 (1994-02-01), Ushiyama
patent: 5416395 (1995-05-01), Hiramatsu et al.

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