US PATENT SUBCLASS 331 / 52
.~.~ Semiconductor (e.g., transistor)

Current as of: June, 1999
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331 /   HD   OSCILLATORS

46  DF  PLURAL OSCILLATORS {6}
50  DF  .~ Cascade or tandem connected {4}
52.~.~ Semiconductor (e.g., transistor)

DEFINITION

Classification: 331/52

(under subclass 50) Subject matter wherein the cascaded oscillators are of the semiconductor active element type (e.g., transistor).

SEE OR SEARCH THIS CLASS, SUBCLASS:

94.1, for molecular or particle resonant type oscillators which may utilize a semiconductor element.

107+, for oscillators of the solid state active element type.