US PATENT SUBCLASS 340 / 825.25
.~ Audio system (e.g., by pulse signal)
Current as of:
June, 1999
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340 /
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COMMUNICATIONS: ELECTRICAL
825
DF
SELECTIVE
{23}
825.25
.~ Audio system (e.g., by pulse signal)
DEFINITION
Classification: 340/825.25
Audio system (e.g., by pulse signal):
(under subclass 825) Subject matter wherein the controlled device is a nominally recited, audible signal reproducing system.
(1) Note. A selectively controlled audio system with details thereof is classified with such an audio system.
SEE OR SEARCH THIS CLASS, SUBCLASS:
825.24, for such subject matter with program control thereof.
SEE OR SEARCH CLASS
360, Dynamic Magnetic Information Storage or Retrieval,
77.01+, for selection of a track on a magnetic record carrier.
369, Dynamic Information Storage or Retrieval, 33, for phonographs having selective control circuitry.
455, Telecommunications,
31.1+, 88, 92, 151.1, or 352+, as appropriate, for remote control of a modulated wave communication system or subsystem.
