US PATENT SUBCLASS 381 / FOR 126
.~.~ Earphone (381/25)

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

*  DD  BINAURAL AND STEREOPHONIC {1}
FOR 125  DF  .~ Speaker arrangement (381/24) {1}
FOR 126.~.~ Earphone (381/25)

DEFINITION

Classification: 381/FOR.126

Earphone:

Subject matter where the transducers are intended to be placed in or over the ear.