US PATENT SUBCLASS 323 / 218
.~ Using impedance

Current as of: June, 1999
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323 /   HD   ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS

212  DF  FOR PHASE SHIFT OR CONTROL {5}
218.~ Using impedance {1}
219  DF  .~.~> In bridge

DEFINITION

Classification: 323/218

Using impedance:

(under subclass 212) Subject matter wherein the device which produces the shift in phase includes a capacitor, resistor, or inductor or combinations thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

208, and the subclasses noted in the definition thereof for impedances used in other systems.