US PATENT SUBCLASS 379 / 106.08
.~.~.~ Having line status detection

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

90.01  DF  TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) {8}
106.01  DF  .~ Remote indication over telephone line (e.g., telemetry) {4}
106.03  DF  .~.~ Meter reading {5}
106.08.~.~.~ Having line status detection

DEFINITION

Classification: 379/106.08

Having line status detection:

(under subclass 106.03) Subject matter including an arrangement for sensing an electrical state of a subscriber circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

377, for line or loop condition detection.