US PATENT SUBCLASS 323 / 314
.~.~.~.~ With additional stage

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

304  DF  SELF-REGULATING (E.G., NONRETROACTIVE) {2}
311  DF  .~ Using a three or more terminal semiconductive device as the final control device {1}
312  DF  .~.~ For current stabilization {2}
313  DF  .~.~.~ To derive a voltage reference (e.g., band gap regulator) {1}
314.~.~.~.~ With additional stage

DEFINITION

Classification: 323/314

With additional stage:

(under subclass 313) Subject matter wherein an additional controlled device is connected between the final control device circuit and the ultimate output.