US PATENT SUBCLASS 324 / 99 R
.~.~ Automatic

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

76.11  DF  MEASURING, TESTING, OR SENSING ELECTRICITY, PER SE {46}
98  DF  .~ Balancing (e.g., known/unknown voltage comparison, bridge, rebalancing) {1}
99 R.~.~ Automatic {2}
100  DF  .~.~.~> With recording
99 D  DF  .~.~.~> Digital voltmeters

Unofficial Alpha Subclasses: R D

DEFINITION

Classification: 324/99

(under subclass 98) Subject matter having automatic means for bringing about the state of balance.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems,

560+, and the classes referred to in the search notes to these subclasses for follow-up electric motor systems, also known as rebalancing and servo motor systems.

330, Amplifiers,

144+, for amplifier systems including automatically variable impedance in the signal path.