US PATENT SUBCLASS 242 / 333.7
.~.~.~ Electrical control

Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

324  DF  UNWINDING AND REWINDING A MACHINE CONVERTIBLE INFORMATION CARRIER (E.G., MAGNETIC TAPE OR PHOTOGRAPHIC FILM) {13}
333  DF  .~ Automated stop or reverse {5}
333.6  DF  .~.~ Coil rotation sensor {1}
333.7.~.~.~ Electrical control

DEFINITION

Classification: 242/333.7

Electrical control:

(under subclass 333.6) Subject matter wherein particular significance is attributed to a portion of the controller that converts a signal from the input device into an electronic signal.