US PATENT SUBCLASS 242 / 413.9
.~.~.~ Speed of running material sensor

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

410  DF  TENSION CONTROL OR BRAKE {3}
412  DF  .~ Take-up coil drive control {4}
413  DF  .~.~ With material condition sensor {4}
413.9.~.~.~ Speed of running material sensor

DEFINITION

Classification: 242/413.9

Speed of running material sensor:

(under subclass 413) Subject matter wherein the detector measures the rate of movement of the elongated material to be wound for regulating the winding rate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

334.4, for a tachometer-type sensor for control of the speed or torque in a winding device for an information-convertible carrier.