US PATENT SUBCLASS 381 / 87
HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING)

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

87HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING) {3}
89  DF  .~.~> Loudspeakers driven in given phase relationship
332  DF  .~> And loudspeaker {4}
91  DF  .~> Having microphone

DEFINITION

Classification: 381/87

HAVING NON-ELECTRICAL FEATURE (E.G., MOUNTING):

(under the class definition) Subject matter including a mechanical adjunct or device such as a mounting means or a specific container for electrical components.

SEE OR SEARCH THIS CLASS, SUBCLASS:

386+, for a mounting or support feature of a housed loudspeaker.