US PATENT SUBCLASS 323 / 289
.~.~.~ With base drive control dissipation

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

234  DF  OUTPUT LEVEL RESPONSIVE {6}
265  DF  .~ Using a three or more terminal semiconductive device as the final control device {5}
282  DF  .~.~ Switched (e.g., switching regulators) {6}
289.~.~.~ With base drive control dissipation

DEFINITION

Classification: 323/289

With base drive control dissipation:

(under subclass 282) Subject matter including means connected to the base of a switching transistor to minimize the dissipation of power within the transistor at its turn-on and turn-off times.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

579, and 585 for miscellaneous devices concerning minority carrier storage.