US PATENT SUBCLASS 327 / 492
.~.~.~.~ Control circuit with common collector

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

365  DF  GATING (I.E., SWITCHING INPUT TO OUTPUT) {12}
419  DF  .~ Utilizing three or more electrode solid-state device {7}
478  DF  .~.~ Bipolar transistor {2}
482  DF  .~.~.~ Plural {6}
492.~.~.~.~ Control circuit with common collector

DEFINITION

Classification: 327/492

Control circuit with common collector:

(under subclass 482) Subject matter wherein the switching control circuit includes a bipolar transistor with the collector terminal connected to a common ground of the circuit, and the outputs at the emitter terminal provide control voltages to the switch.