US PATENT SUBCLASS 84 / 669
.~.~.~.~ Chords

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}
666  DF  .~.~.~ Accompaniment {2}
669.~.~.~.~ Chords

DEFINITION

Classification: 84/669

Chords:

(under subclass 666) Subject matter wherein the data represents a plurality of musical tones to be played simultaneously.

SEE OR SEARCH THIS CLASS, SUBCLASS:

613+, for chords with digital memory circuit.

637+, for chords with accompaniment.