US PATENT SUBCLASS 84 / 652
.~.~.~.~.~.~ Tempo control

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
600  DF  .~ Electrical musical tone generation {5}
647  DF  .~.~ Digital combinational circuit {7}
649  DF  .~.~.~ Note sequence {1}
650  DF  .~.~.~.~ Accompaniment (e.g., chords, etc.) {1}
651  DF  .~.~.~.~.~ Rhythm {1}
652.~.~.~.~.~.~ Tempo control

DEFINITION

Classification: 84/652

Tempo control:

(under subclass 651) Subject matter wherein the rate or speed of rhythm is variable.