SOUND ATTENUATING STRUCTURE

A sound-attenuating structure includes a non-absorbing shell and a mat of sound-absorbing material held parallel to and spaced from the shell a distance equal to one-quarter the wave length of the highest frequency to be attenuated. The thickness of the mat of sound-absorbing material is defined by...

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1. Verfasser:	SORBER S,DT
Format:	Patent
Sprache:	eng
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PERFORMING OPERATIONS PHYSICS SOUND-PRODUCING DEVICES TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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