US PATENT SUBCLASS 324 / 648
.~.~.~ With 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}
629  DF  .~ Distributive type parameters {6}
647  DF  .~.~ Using a comparison or difference circuit {1}
648.~.~.~ With a bridge circuit

DEFINITION

Classification: 324/648

With a bridge circuit:

(under subclass 647) Subject matter including a multi-terminal network arranged so that when an electromotive force is present in one branch, the response of a suitable detecting device may be zeroed by suitable adjustment of the electrical constants of still other branches.

SEE OR SEARCH THIS CLASS, SUBCLASS:

610, for measuring or testing electrical characteristics or parameters using bridge circuits for sensing electrical quantities.

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