US PATENT SUBCLASS 84 / 671
.~.~ Electric analog oscillators

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
671.~.~ Electric analog oscillators {9}
672  DF  .~.~.~> Variable frequency {2}
675  DF  .~.~.~> With frequency multiplication or division {2}
678  DF  .~.~.~> Selecting circuits {9}
691  DF  .~.~.~> Noise reduction (e.g., error prevention)
692  DF  .~.~.~> Tone synthesis or timbre control {4}
701  DF  .~.~.~> Expression or special effects {9}
712  DF  .~.~.~> Accompaniment {4}
718  DF  .~.~.~> Constructional details {3}
722  DF  .~.~.~> Fret control

DEFINITION

Classification: 84/671

Electric analog oscillators:

(under subclass 600) Subject matter wherein the varying electric currents or potentials originate from an analog oscillator.

SEE OR SEARCH CLASS

331, Oscillators, appropriate subclasses for oscillator circuits, per se.