US PATENT SUBCLASS 84 / 17
.~.~.~.~.~ Electric control

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
7  DF  .~.~ Stringed {4}
13  DF  .~.~.~ Pianos {5}
16  DF  .~.~.~.~ Constant power {1}
17.~.~.~.~.~ Electric control {1}
18  DF  .~.~.~.~.~.~> Key actuators

DEFINITION

Classification: 84/17

The connections between the source of power and the strikers are controlled electrically.