Acoustics – Sound-modifying means – Sound absorbing panels
Patent
1993-08-09
1996-07-16
Gellner, Michael L.
Acoustics
Sound-modifying means
Sound absorbing panels
181294, E04B 182, E04B 184
Patent
active
055369103
ABSTRACT:
A non-reflecting, wave-absorbing structure absorbs sound, radio and radiation wave. The non-reflecting, wave-absorbing structure combines an outer non-reflecting wave structure and a wave-absorbing portion. The outer non-reflecting wave structure allows for the transmission of the wave therethrough without appreciable reflection and the wave-absorbing material absorbs substantially all of the transmitted wave. In the case the wave to be absorbed in a sound wave, the wave-absorbing material is preferably an epoxy in a chemical state of gelatinization which is prevented from reaching a state of cure.
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Stealth Technology, The Art of Black Magic, J. Jones, edited by Matt Thurber, AERO, Copyright, 1989, pp. 48-51.
Harrold Ronald T.
Sanjana Zal N.
Gellner Michael L.
Lee Eddie C.
Northrop Grumman
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