US PATENT SUBCLASS 84 / 145
.~.~.~.~ Transposition only

Current as of: June, 1999
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84 /   HD   MUSIC

1  DF  INSTRUMENTS {9}
*  DD  .~ Automatic {13}
115  DF  .~.~ Selectors {8}
122  DF  .~.~.~ Winding and rewinding {16}
145.~.~.~.~ Transposition only

DEFINITION

Classification: 84/145

The relative shift of the tracker and sheet is through one or more semitones to cause a change of key.

(1) Note. See this class, subclass 144.