US PATENT SUBCLASS 379 / 93.36
.~.~.~.~ Line powered

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}
93.01  DF  .~ Having transmission of a digital message signal over a telephone line {9}
93.26  DF  .~.~ By voice frequency signal (e.g., tone code) {3}
93.28  DF  .~.~.~ Modulated audio tone {4}
93.36.~.~.~.~ Line powered

DEFINITION

Classification: 379/93.36

Line powered:

(under subclass 93.28) Subject matter including particular circuitry for deriving power from the telephone line to data communication equipment (DCE).

SEE OR SEARCH THIS CLASS, SUBCLASS:

102.04, for remote control of power source.