US PATENT SUBCLASS 379 / FOR 115
.~ With transmission of a digital message signal over a telephone line (379/93)

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

FOR 112  DF  TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) (379/90) {8}
FOR 115.~ With transmission of a digital message signal over a telephone line (379/93) {4}
FOR 116  DF  .~.~> Including switching station (379/94)
FOR 117  DF  .~.~> Access restricting (379/95)
FOR 118  DF  .~.~> Including terminal for display of digital information (379/96)
FOR 119  DF  .~.~> By voice frequency signal (e.g., tone code) (379/97) {2}

DEFINITION

Classification: 379/FOR.115

With transmission of a digital message signal over a telephone line:

Foreign art collection for transmission of message information by either a multi-level pulse signal, or a digital data signal, over lines specifically described as telephone lines.