US PATENT SUBCLASS 84 / 131
.~.~.~.~.~ Compensation for diameter

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}
128  DF  .~.~.~.~ Speed control {3}
131.~.~.~.~.~ Compensation for diameter

DEFINITION

Classification: 84/131

Means to keep the tempo constant as the diameter of the take-up roll increases.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

540+, for drive mechanisms for convolute winding in general, particularly subclass 541 for a linear winding drive.