Acoustic board

Details Acoustic board Acoustic board

1999-10-04

2000-10-03

Dang, Khanh

Acoustics

Sound-modifying means

Sound absorbing panels

181292, 181293, E04B 182

Patent

active

061259659

ABSTRACT:
An acoustic board includes a frame, a plurality of large cups equidistantly fitted in the frame, each of the large cups being a conical member which is open at a large end thereof, a plurality of small cups equidistantly fitted in the frame, each of the small cups being a conical member which is open at a large end thereof, and a front panel mounted on the frame to cover the large ends of the large and small cups, whereby the acoustic board which can effectively isolate the noise from one side to another.

REFERENCES:
patent: 3887031 (1975-06-01), Wirt
patent: 5491310 (1996-02-01), Jen

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