US PATENT SUBCLASS 84 / 696
.~.~.~.~.~ Angle (i.e., frequency or phase)

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
671  DF  .~.~ Electric analog oscillators {9}
692  DF  .~.~.~ Tone synthesis or timbre control {4}
694  DF  .~.~.~.~ Modulation {2}
696.~.~.~.~.~ Angle (i.e., frequency or phase)

DEFINITION

Classification: 84/696

Angle (i.e., frequency or phase):

(under subclass 694) Subject matter wherein the carrier wave is angle (i.e., frequency or phase) modulated.

SEE OR SEARCH CLASS

332, Modulators,

16+, for phase or frequency modulation.

375, Pulse or Digital Communications,

271, for angle modulation in systems using alternating or pulsating current.