US PATENT SUBCLASS 379 / 374
.~.~.~ With music or audible message generation

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

350  DF  SUPERVISORY OR CONTROL LINE SIGNALLING {5}
372  DF  .~ Signal reception at substation {1}
373  DF  .~.~ Incoming call alerting (e.g., ringing) {3}
374.~.~.~ With music or audible message generation

DEFINITION

Classification: 379/374

With music or audible message generation:

(under subclass 373) Subject matter for generating an audible alerting signal consisting of music or of a recorded or synthesized spoken message.

SEE OR SEARCH THIS CLASS, SUBCLASS:

67.1+, for transmission of a synthesized or a dynamically reproduced audio signal over a telephone line.