US PATENT SUBCLASS 327 / 157
.~.~.~.~ With charge pump

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
141  DF  .~ Synchronizing {7}
155  DF  .~.~ With feedback {1}
156  DF  .~.~.~ Phase lock loop {3}
157.~.~.~.~ With charge pump

DEFINITION

Classification: 327/157

With charge pump:

(under subclass 156) Subject matter wherein a device which pumps elemental positive or negative electrical energy is included.