US PATENT SUBCLASS 379 / 30
.~.~ Loop impedance (e.g., resistance, capacitance)


Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

1  DF  DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT {12}
27  DF  .~ Of subscriber loop or terminal {4}
30.~.~ Loop impedance (e.g., resistance, capacitance)


DEFINITION

Classification: 379/30

Loop impedance (e.g., resistance, capacitance):

(under subclass 27) Subject matter for measuring the electrical impedance along and across a subscriber line or terminal.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

600+, for electrical impedance measurement.