US PATENT SUBCLASS 84 / 702
.~.~.~.~ Envelope shaping (e.g., attack, decay, sustain, or release)

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}
702.~.~.~.~ Envelope shaping (e.g., attack, decay, sustain, or release) {1}
703  DF  .~.~.~.~.~> Attack and decay

DEFINITION

Classification: 84/702

Envelope shaping (e.g., attack, decay, sustain or release):

(under subclass 701) Subject matter for providing or modifying an amplitude contour of an activated tone.

SEE OR SEARCH THIS CLASS, SUBCLASS:

627, for envelope shaping (e.g., attack, decay, sustain or release) with digital storage.

663, for envelope shaping (e.g., attack, decay, sustain or release) with digital combinational circuit.

SEE OR SEARCH CLASS

327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems,

306+, for signal shaping by controlling the amplitude thereof. 331, Oscillators,

182, for amplitude control of an oscillator.