Acoustics – Diaphragm and enclosure – With sound-absorbing means
Reexamination Certificate
2011-08-23
2011-08-23
Enad, Elvin G (Department: 2832)
Acoustics
Diaphragm and enclosure
With sound-absorbing means
C181S145000, C181S155000, C181S156000, C181S199000, C181S207000, C367S099000, C381S337000, C381S338000, C381S353000
Reexamination Certificate
active
08002078
ABSTRACT:
An acoustic waveguide with at least two portions coupled by vibration damping structure. The vibration damping structure may be a conformable material such as closed cell foam. The vibration damping structure may further include structure for inhibiting motion in a direction transverse to the interface between the vibration damping structure and a portion of the waveguide.
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Chan Jacky Chi-Hung
Gawronski Brian J.
Bose Corporation
Enad Elvin G
Russell Christina
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