US PATENT SUBCLASS 242 / 364.8
.~.~.~ Senses without material contact

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

364  DF  UNIDIRECTIONAL WINDING AND UNWINDING {9}
364.6  DF  .~ Variable number of windings on support {3}
364.7  DF  .~.~ Having material accumulation sensor {1}
364.8.~.~.~ Senses without material contact

DEFINITION

Classification: 242/364.8

Senses without material contact:

(under subclass 364.7) Subject matter in which the sensor does not require material contact in order to generate the signal indicating the number of turns present.