US PATENT SUBCLASS 84 / 626
.~.~.~.~ Expression or special effects (e.g., force or velocity responsive, etc.)

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
601  DF  .~.~ Data storage {6}
602  DF  .~.~.~ Digital memory circuit (e.g., RAM, ROM, etc.) {9}
626.~.~.~.~ Expression or special effects (e.g., force or velocity responsive, etc.) {7}
627  DF  .~.~.~.~.~> Envelope shaping (i.e., attack, decay, sustain, or release)
628  DF  .~.~.~.~.~> Portamento or glissando
629  DF  .~.~.~.~.~> Vibrato or tremolo
630  DF  .~.~.~.~.~> Reverberation
631  DF  .~.~.~.~.~> Chorus, ensemble, or celeste
632  DF  .~.~.~.~.~> Chiff or percussive transients
633  DF  .~.~.~.~.~> Loudness control

DEFINITION

Classification: 84/626

Expression or special effects (e.g., force or velocity responsive, etc.):

(under subclass 602) Subject matter for providing an indication of feeling or artistic execution to the musical

tones.

SEE OR SEARCH CLASS

73, Measuring and Testing,

488+, for velocity measuring per se.

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

261+, for miscellaneous delay circuits.

356, Optics: Measuring and Testing, 28, for measuring key switch velocity optically.

361, Electricity: Electrical Systems and Devices,

283.1+, for pressure (force) responsive capacitors.