US PATENT SUBCLASS 324 / 673
.~.~.~.~.~ Including a bridge circuit

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

600  DF  IMPEDANCE, ADMITTANCE OR OTHER QUANTITIES REPRESENTATIVE OF ELECTRICAL STIMULUS/RESPONSE RELATIONSHIPS {8}
649  DF  .~ Lumped type parameters {6}
658  DF  .~.~ Using capacitive type measurement {10}
663  DF  .~.~.~ Where a material or object forms part of the dielectric being measured {4}
672  DF  .~.~.~.~ By comparison or difference circuit {1}
673.~.~.~.~.~ Including a bridge circuit

DEFINITION

Classification: 324/673

Including a bridge circuit:

(under subclass 672) Subject matter including a multi-terminal network capable of comparison or balance.

SEE OR SEARCH THIS CLASS, SUBCLASS:

610, for measuring or testing electrical characteristics or

parameters using bridge circuits for sensing electrical quantities.

648, for measuring or testing distributive type parameters utilizing bridge circuits.

651, 657, 666, 680, and 706, for measurement of lumped type parameters utilizing bridge circuits.

725, for miscellaneous bridge circuits used in measuring or testing electrical characteristics or parameters.