US PATENT SUBCLASS 332 / 176
.~ Nonlinear device controlled by modulating signal


Current as of: June, 1999
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332 /   HD   MODULATORS

149  DF  AMPLITUDE MODULATOR {14}
176.~ Nonlinear device controlled by modulating signal {1}
177  DF  .~.~> Nonlinear discrete semiconductor device


DEFINITION

Classification: 332/176

Nonlinear device controlled by modulating signal:

(under subclass 149) Subject matter which includes a circuit element having an impedance which is not directly proportional to the current passing through it or the voltage applied to it and which controls the amplitude of the carrier in accordance with the modulating signal.

(1) Note. Examples of nonlinear devices could be diodes, nonlinear crystals, thyrite resistors, or electronic tubes.