US PATENT SUBCLASS 331 / 33
.~.~.~ Plural diode type

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}
30  DF  .~ With stable heterodyne oscillator or source {2}
32  DF  .~.~ With particular discriminator (e.g., LPF and HPF) {1}
33.~.~.~ Plural diode type

DEFINITION

Classification: 331/33

(under subclass 32) Subject matter wherein the frequency deviation detecting network or discriminator includes two or more unilaterally conducting devices (e.g., diodes) as elements thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26, for oscillator systems utilizing plural input signal or phase comparators of the plural diode type in the A.F.S. control loop thereof.