US PATENT SUBCLASS 323 / 228
.~.~ With additional series regulator

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

220  DF  IN SHUNT WITH SOURCE OR LOAD {7}
227  DF  .~ Using electronic tube {1}
228.~.~ With additional series regulator

DEFINITION

Classification: 323/228

With additional series regulator:

(under subclass 227) Subject matter wherein an additional stage of regulation is provided in the form of a series regulator.