Driving circuit for stepping motor

Details Driving circuit for stepping motor Driving circuit for stepping motor

1990-04-18

1991-07-16

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, 360 7814, H02P 800

Patent

active

050327798

ABSTRACT:
A drive circuit for a stepping motor used for seeking the reading/writing head of a floppy disk or the like. The stepping motor is smoothly driven by inserting an inner step pulse between the input step pulses when excitation signals are supplied to the stepping motor on the basis of the step pulses from the host computer. Since the interval between the step pulses output from the host computer is different each time, the interval between the step pulses is measured and the timing for generating an inner step pulse is determined on the basis of the measured value.

REFERENCES:
patent: 4072888 (1978-02-01), Bechtle et al.

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