US PATENT SUBCLASS 323 / 354
.~.~.~ Selective

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

318  DF  EXTERNAL OR OPERATOR CONTROLLED {5}
352  DF  .~ Using an impedance as the final control device {1}
353  DF  .~.~ Resistor {1}
354.~.~.~ Selective

DEFINITION

Classification: 323/354

Selective:

(under subclass 353) Subject matter wherein a plurality of individual resistors are connected in a circuit which allows each resistor or a combination of resistors to be used as the final control device.

SEE OR SEARCH THIS CLASS, SUBCLASS:

297, for output level responsive devices of this type.