US PATENT SUBCLASS 381 / 162
.~ Detail of mechanical vibration coupling to transducer (e.g., tuned vibrating element)

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

150  DF  ELECTRO-ACOUSTIC AUDIO TRANSDUCER {18}
162.~ Detail of mechanical vibration coupling to transducer (e.g., tuned vibrating element)

DEFINITION

Classification: 381/162

Detail of mechanical vibration coupling to transducer (e.g., tuned vibrating element):

(under subclass 150) Subject matter including a detail of a mechanical element which transfers sound vibrations to or from the audio transducer.