US PATENT SUBCLASS 73 / 861.16
.~.~.~.~ Including electrically interconnected or synchronized input and output circuit

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

861  DF  VOLUME OR RATE OF FLOW {23}
861.08  DF  .~ By measuring electrical or magnetic properties {2}
861.11  DF  .~.~ Electromagnetic induction (e.g., Faraday type) {1}
861.12  DF  .~.~.~ With detecting electrodes {4}
861.16.~.~.~.~ Including electrically interconnected or synchronized input and output circuit {1}
861.17  DF  .~.~.~.~.~> Selective or periodic sampling

DEFINITION

Classification: 73/861.16

Including electrically interconnected or synchronized input and output circuit:

(under subclass 861.12) Subject matter wherein the applied magnetic field is produced by an electromagnet and the detected potential gradient is applied to an electrical output circuit which also receives a signal responsive to or synchronized with the applied magnetic field or the power supply to the electromagnet.

(1) Note. Usually, the signal is used to compensate for fluctuations in the power supply or to control means for rejecting spurious signals.