Control circuit for an electromagnetic drive

Details Control circuit for an electromagnetic drive Control circuit for an electromagnetic drive

2003-07-26

2008-07-22

Sherry, Michael J (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

C361S152000, C361S154000

Reexamination Certificate

active

07403366

ABSTRACT:
A control circuit for an electromagnetic drive includes first and second electronic switching elements, which in conjunction with a timing element subject the drive coil to a corresponding direct current in the starting phase or in the maintenance phase. A starting current and a maintenance current are provided by means of a current source that is controlled by the timing element and a direct current converter with downward control.

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Berlin, 555 Timer Applications Sourcebook With Experiments, 1976, Howard W. Sams & Co, Inc. pp. 7-19.

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