US PATENT SUBCLASS 84 / 645
.~.~.~ MIDI (musical instrument digital interface)

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}
645.~.~.~ MIDI (musical instrument digital interface)

DEFINITION

Classification: 84/645

MIDI (musical instrument digital interface):

(under subclass 601) Subject matter including an interface between an instrument and a digital processing system.

SEE OR SEARCH CLASS

364, Electrical Computers and Data Processing Systems,

188+, for generic data processing with operator control interface.