US PATENT SUBCLASS 455 / 156.1
.~.~.~ Audible indicator

Current as of: June, 1999
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455 /   HD   TELECOMMUNICATIONS

130  DF  RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER {24}
150.1  DF  .~ Signal selection based on frequency (e.g., tuning) {13}
154.1  DF  .~.~ With indication of frequency, channel, or selector condition (e.g., tuning aid) {6}
156.1.~.~.~ Audible indicator

DEFINITION

Classification: 455/156.1

Audible indicator:

(under subclass 154.1) Subject matter comprising means to generate a specific tone or sound or to vary the normal sound output of the receiver.