Sound wave control device

Details Sound wave control device Sound wave control device

1986-09-08

1988-02-23

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Lens

181175, G10K 1100

Patent

active

047264446

ABSTRACT:
Disclosed herein is a sound wave control device which is shaped in a lens form or a prism form from an acoustically rigid porous material, wherein numerous paths having different path lengths are provided and the apparent medium density is varied. This second wave control device is used to improve the sound quality and the directivity of the sound waves from a speaker and the directional control of noises.

REFERENCES:
patent: 2684724 (1954-07-01), Kock
patent: 3735336 (1973-05-01), Long
patent: 3957134 (1976-05-01), Daniel

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