US PATENT SUBCLASS 327 / 448
.~.~.~.~ Device in bridge

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}
438  DF  .~.~ Four or more layer device (e.g., thyristor, etc.) {6}
447  DF  .~.~.~ AC supply {6}
448.~.~.~.~ Device in bridge

DEFINITION

Classification: 327/448

Device in bridge:

(under subclass 447) Subject matter including four or more solid-state devices with their input and output terminals connected in a closed loop to form a four arm network, which may include another arm, called a diagonal arm, connected across two adjacent arms of the network between an input terminal and an output terminal and at least one solid-state device has four or more semiconducting layers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

588, for miscellaneous bridge circuits.