US PATENT SUBCLASS 361 / 159
.~ Including means for using, or compensating for, the induced EMF of the electromagnetic device

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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
159.~ Including means for using, or compensating for, the induced EMF of the electromagnetic device

DEFINITION

Classification: 361/159

Including means for using, or compensating for the induced EMF of the electromagnetic device:

(under subclass 139) Subject matter wherein a circuit or device is included which utilizes the induced electromotive

force generated by the operation of the electromagnetic device.

(1) Note. The system may, for example, store the induced EMF and subsequently use this stored EMF to aid in operating the electromagnetic device.