US PATENT SUBCLASS 361 / 156
.~.~.~ With capacitor charging or discharging through coil


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}
156.~.~.~ With capacitor charging or discharging through coil


DEFINITION

Classification: 361/156

With capacitor charging or discharging through coil:

(under subclass 152) Subject matter wherein the drive circuit includes the charging or discharging of a capacitor through the coil of the device to control the operating current.

SEE OR SEARCH THIS CLASS, SUBCLASS:

155, for plural distinct current levels.