US PATENT SUBCLASS 379 / 24
.~.~ Electrical parameter measurement (e.g., attenuation)

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

1  DF  DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT {12}
22  DF  .~ Of trunk or long line {4}
24.~.~ Electrical parameter measurement (e.g., attenuation)

DEFINITION

Classification: 379/24

Electrical parameter measurement (e.g., attenuation):

(under subclass 22) Subject matter including structure for providing a quantitative indication of an electrical characteristic of the line or trunk or the signal thereon.

SEE OR SEARCH CLASS

324, Electricity: Measuring and Testing,

600+, for impedance measurement of a nontelephone line.