US PATENT SUBCLASS 381 / 332
.~ And loudspeaker

Current as of: June, 1999
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381 /   HD   ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES

87  DF  HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING) {3}
332.~ And loudspeaker {4}
333  DF  .~.~> With furniture, clothing, or image presentation means
334  DF  .~.~> Portable or for use in diverse environment
335  DF  .~.~> Plural diaphragms, compartments, or housings
336  DF  .~.~> Curved or angled housing

DEFINITION

Classification: 381/332

And loudspeaker:

(under subclass 87) Subject matter where the specific container holds a transducer for converting an electrical signal into sound, e.g., a transducer baffle or housing.

SEE OR SEARCH THIS CLASS, SUBCLASS:

386, for a mounting or support feature of a housed loudspeaker wherein significant electrical features are not included.