US PATENT SUBCLASS 327 / 308
.~.~ Variable attenuator

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

100  DF  SIGNAL CONVERTING, SHAPING, OR GENERATING {29}
306  DF  .~ Amplitude control {5}
308.~.~ Variable attenuator

DEFINITION

Classification: 327/308

Variable attenuator:

(under subclass 306) Subject matter wherein an input signal amplitude is diminished by an adjustable but typically unchanging factor.

SEE OR SEARCH CLASS

330, Amplifiers, appropriate subclasses for amplifying circuits, in general.