US PATENT SUBCLASS 331 / 35
.~.~ Electromechanical (e.g., motor)

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}
35.~.~ Electromechanical (e.g., motor)

DEFINITION

Classification: 331/35

(under subclass 34) Subject matter wherein the frequency control means includes an electromechanical drive for the tuning or frequency adjusting element of the controlled oscillator.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13, for a single oscillator with plural A.F.S. means and wherein electric motor means controls or adjusts the oscillator frequency determining means.

24, for A.F.S. controlled oscillators of the modulated oscillator type (e.g., frequency modulation of the controlled oscillator) utilizing an electric motor comparator.

29, for A.F.S. controlled oscillators having a signal or phase comparator of electromechanical type.