US PATENT SUBCLASS 331 / 36 R
.~.~ Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.)


Current as of: June, 1999
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331 /   HD   OSCILLATORS

1 R  DF  AUTOMATIC FREQUENCY STABILIZATION USING A PHASE OR FREQUENCY SENSING MEANS {16}
34  DF  .~ Particular frequency control means {2}
36 R.~.~ Reactance device (e.g., variable capacitors, saturable inductors, reactance tubes, etc.) {2}
36 C  DF  .~.~.~> Capacitor controlled AFC
36 L  DF  .~.~.~> Inductor controlled AFC

Unofficial Alpha Subclasses: R C L

DEFINITION

Classification: 331/36

(under subclass 34) Subject matter wherein the particular frequency control means comprises an adjustable or variable reactance element or elements of the frequency determining network of the controlled oscillator. Examples of such elements are: reactance tubes, saturable core inductors, adjustable capacitors or inductors, etc.