Sound reproducing apparatus

Details Sound reproducing apparatus Sound reproducing apparatus

1989-09-20

1991-06-11

Brown, Brian W.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

181148, 381154, 381187, A61B 702

Patent

active

050224867

ABSTRACT:
A sound reproducing apparatus is provided formed of an acoustic tube having first and second opposite ends, and having substantially a same inside diameter as that of an external acoustic meatus of the user who is wearing the sound reproducing apparatus. A loudspeaker unit is mounted to the acoustic tube intermediate the first and second ends such that a sound radiating surface thereof is directed to one side of the acoustic tube. The acoustic tube has at its first end an auricular attachment which is received at the external acoustic meatus. A second end is formed as a non-sound-reflecting end. The sound reproducing apparatus may also be adapted to have two loudspeaker units mounted to one or more acoustic tubes, respectively, and two auricular attachment sections may be provided, one for each ear. Left and right channel acoustical signals may be respectively input to the respective first and second loudspeaker units for stereo operation.

REFERENCES:
patent: 3863028 (1975-01-01), Fixler
patent: 4110583 (1978-08-01), Lepper
patent: 4173715 (1979-11-01), Gosman
patent: 4251686 (1981-02-01), Sokolich

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