Stepping motor driving device

Details Stepping motor driving device Stepping motor driving device

1987-11-25

1991-11-05

Shoop, Jr., William M.

Electricity: motive power systems

Open-loop stepping motor control systems

318685, H02P 800

Patent

active

050633392

ABSTRACT:
In a four-phase stepping motor driving apparatus phase-A and phase-A, or phase-B and phase-B are prevented from simultaneously becoming conductive. A device for this includes a change-over circuit which validates either of the phase-A and the phase-A, a change-over circuit which validates either of the phase-B and the phase-B, a change-over circuit which renders both the phase-A and the phase-A conductive or nonconductive and a change-over circuit which rendered both the phase-B and the phase-B conductive or nonconductive.

REFERENCES:
patent: 3486096 (1969-12-01), Van Cleave
patent: 4336484 (1982-06-01), Marinko
patent: 4358725 (1982-11-01), Brendemuehl
patent: 4412166 (1983-10-01), Crider et al.
patent: 4638235 (1987-01-01), Ogura
patent: 4692679 (1987-09-01), Hujita

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