US PATENT SUBCLASS 73 / 861.78
.~.~ With pick-up coil

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
861.77  DF  .~ Using rotating member with particular electrical output or circuit {1}
861.78.~.~ With pick-up coil

DEFINITION

Classification: 73/861.78

With pick-up coil:

(under subclass 861.77) Subject matter wherein the electrical signal is generated by varying the magnetic flux between a pick-up coil and the element.