US PATENT SUBCLASS 84 / 711
.~.~.~.~ Loudness control

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}
701  DF  .~.~.~ Expression or special effects {9}
711.~.~.~.~ Loudness control

DEFINITION

Classification: 84/711

Loudness control:

(under subclass 710) Subject matter wherein amplitude or volume of the musical tones may be regulated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

633, for loudness control with digital storage.

665, for loudness control with digital combinational circuit.