Two dimensional sound diffusor

Details Two dimensional sound diffusor Two dimensional sound diffusor

1990-10-17

1992-11-03

Gellner, Michael L.

Acoustics

Sound-modifying means

Sound absorbing panels

181286, 181288, 181290, 181293, E04B 182

Patent

active

051608162

ABSTRACT:
A two-dimensional sound diffusor is composed of a plurality of wells defined by a matrix of projecting elements. The wells, which have different depths and widths, are arranged in a repeating pattern. The boundaries of the wells and of the repeating pattern are defined by projections arranged on a base. The ends of the projections extend away from the base, terminating in an inclined face which is inclined relative to the base by an angle of 10.degree.. The incline may be rotated from one projection to the next, on a plane parallel to the base of the unit by 90.degree. or 180.degree.. This arrangement produces two dimensional sound diffusion.

REFERENCES:
patent: 3712413 (1973-11-01), Eckel
patent: 4244439 (1981-01-01), Wested
patent: 4821839 (1989-04-01), D'Antonio et al.
patent: 4964486 (1990-10-01), D'Antonio et al.
patent: 4971850 (1990-11-01), Kuan-Hong

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