US PATENT SUBCLASS 361 / 153
.~.~.~ Pulse initiated

Current as of: June, 1999
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361 /   HD   ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES

139  DF  CONTROL CIRCUITS FOR ELECTROMAGNETIC DEVICES {7}
143  DF  .~ Systems for magnetizing, demagnetizing, or controlling the magnetic field {5}
152  DF  .~.~ Including particular drive circuit {3}
153.~.~.~ Pulse initiated

DEFINITION

Classification: 361/153

Pulse initiated:

(under subclass 152) Subject matter wherein a circuit or device which responds to a voltage pulse signal is used to initiate the operation of the electromagnetic device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

186, for miscellaneous pulse initiated control circuits for relays and solenoids.