US PATENT SUBCLASS 84 / 690
.~.~.~.~.~ With variable resistance selector

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}
678  DF  .~.~.~ Selecting circuits {9}
687  DF  .~.~.~.~ Force or velocity responsive {3}
690.~.~.~.~.~ With variable resistance selector

DEFINITION

Classification: 84/690

With variable resistance selector:

(under subclass 687) Subject matter wherein the selecting circuit includes a variable resistor or resistors.

SEE OR SEARCH CLASS

338, Electrical Resistors,

69+, for musical instrument playing key actuated variable resistance.