Acoustics – Sound-modifying means – Sound absorbing fence or screen
Patent
1991-11-29
1995-02-28
Gellner, Michael L.
Acoustics
Sound-modifying means
Sound absorbing fence or screen
181151, 181284, 181295, 256 131, G10K 1100
Patent
active
053939409
ABSTRACT:
An apparatus and method are disclosed for reducing electromagnetic or acoustic energy scattered in both the near and more generalized vicinity of a source thereof by various phenomena including atmospheric and weather-related effects and diffraction at the top edge of heretofore known barriers. The apparatus includes a member configured for engagement with the top edge of a barrier, with the member having a patterned edge defining a plurality of portions jutting away from the top edge of the barrier and in a direction having a component toward the source, preferably substantially in a more or less horizontal plane with the top edge.
REFERENCES:
patent: 2652127 (1953-09-01), Johnston
patent: 3557901 (1971-01-01), Young
patent: 4095669 (1978-01-01), Bond, Sr.
patent: 4175639 (1979-11-01), Wirt
patent: 4219101 (1980-08-01), Valsvik
patent: 4228867 (1980-10-01), Wirt
patent: 4308933 (1982-01-01), Hahn et al.
patent: 4436179 (1984-03-01), Yamamoto et al.
patent: 4872528 (1989-10-01), Goplen et al.
patent: 4898260 (1990-02-01), Fang
"The Control Of Diffracted Sound By Means Of Thnadners (Shaped Noise Barrs)", L. S. Wirt (1979) (no month) pp. 73-83, 86-88.
Bedard, Jr. Alfred J.
Churnside James H.
Nishiyama Randall T.
Burdick Harold A.
Cox Diana M.
Gellner Michael L.
Lee Eddie C.
The United States of America as represented by the Secretary of
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