US PATENT SUBCLASS 381 / 300
.~ Stereo speaker arrangement

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

1  DF  BINAURAL AND STEREOPHONIC {8}
300.~ Stereo speaker arrangement {7}
301  DF  .~.~> In furniture or clothing
302  DF  .~.~> In vehicle
303  DF  .~.~> Optimization {2}
306  DF  .~.~> With image presentation means
307  DF  .~.~> Surround (i.e., front plus rear or side)
308  DF  .~.~> In single baffle
309  DF  .~.~> Stereo earphone {2}

DEFINITION

Classification: 381/300

Stereo speaker arrangement:

(under subclass 1) Subject matter including transducers for reproducing the sound signals, and the spatial relationship of the transducers to their surroundings.