SOUNDPROOF STRUCTURE
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United States of America
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app pub date -
Aug 12, 2019
filing date -
Aug 12, 2019
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Abstract
Provided is a soundproof structure with a small size and high soundproofing performance of a low frequency band. The soundproof structure includes at least one soundproof cell which includes a frame having a hole portion, an elastic layer laminated on a frame of one opening surface of the frame, and a film laminated on the elastic layer so as to cover the hole portion. An effective displacement amount at a position at which an amplitude is maximized in a region bonded to the elastic layer in a case where a film vibration of the film occurs is 0.4% to 10% of an effective displacement amount at a position at which an amplitude of the film is maximized.
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