Electricity: motive power systems – Open-loop stepping motor control systems
Patent
1991-10-31
1994-10-04
Shoop, Jr., William M.
Electricity: motive power systems
Open-loop stepping motor control systems
318685, A02P 800
Patent
active
053529634
ABSTRACT:
An improved control system for a stepper motor coil includes a flyback circuit that dissipates coil energy slowly while the coil is energized and operated in the chopping mode, while dissipating coil energy rapidly when the coil is switched to its de-energized phase.
REFERENCES:
patent: 4574225 (1986-03-01), Pershall et al.
patent: 4710690 (1987-12-01), Reid et al.
patent: 4933621 (1990-06-01), MacMinn et al.
patent: 5032780 (1991-07-01), Hopkins
Daniel Carl P.
Garand Steven A.
Baxter Diagnostics Inc.
Buonaiuto Mark J.
Flattery Paul C.
Masih Karen
Shoop Jr. William M.
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