US PATENT SUBCLASS 331 / 26
.~.~.~ 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}
18  DF  .~ With reference oscillator or source {5}
25  DF  .~.~ Signal or phase comparator {4}
26.~.~.~ Plural diode type

DEFINITION

Classification: 331/26

(under subclass 25) Subject matter wherein the signal or phase comparator includes two or more unilaterally conducting devices (e.g., diodes) as elements thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for oscillator systems utilizing a single input, nonsignal comparing, discriminator of the plural diode type in the A.F.S. control loop thereof.