Stepping motor driving apparatus

Details Stepping motor driving apparatus Stepping motor driving apparatus

1975-06-25

1977-05-17

Rubinson, Gene Z.

Electricity: motive power systems

Open-loop stepping motor control systems

H02K 3700

Patent

active

040244474

ABSTRACT:
A source of electric current has a first terminal connected to one end of each of a plurality of phase windings of a stepping motor whose other ends are connected via controllably operable switches to a second terminal of the current source, the switchesare energized in particular sequence and with controllably variable duty cycle signals wherein the duty cycle of the signals controls the power, speed and rotation of the motor.

REFERENCES:
patent: 3374410 (1968-03-01), Cronquist et al.
patent: 3411058 (1968-11-01), Madsen et al.
patent: 3445741 (1969-05-01), Gerber
patent: 3746959 (1973-07-01), Kobayashi et al.
patent: 3755727 (1973-08-01), Schifalacqua
patent: 3942619 (1976-03-01), Nordstrom et al.

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