SOUNDPROOF STRUCTURE AND METHOD FOR ADJUSTING SOUNDPROOF STRUCTURE

Title:

SOUNDPROOF STRUCTURE AND METHOD FOR ADJUSTING SOUNDPROOF STRUCTURE

Document Type and Number:

WIPO Patent Application WO/2017/163658

Kind Code:

A1

Abstract:

Provided is a soundproof structure which is capable of selectively cutting off sound having a specific frequency generated from instruments, automobiles, and ordinary homes, and in which a sound cutoff frequency can be changed in accordance with a change in frequency of the sound to be cut off. The present invention has: laminated films obtained by stacking two or more films each having one or more holes pierced therein; and two rigid frames which fix the laminated films by sandwiching from both sides thereof, wherein the one or more holes in one of the laminated films overlap at least partially with the one or more holes in another one of the laminated films.

Inventors:

NAYA MASAYUKI (JP)
HAKUTA SHINYA (JP)
YAMAZOE SHOGO (JP)

Application Number:

PCT/JP2017/005034

Publication Date:

September 28, 2017

Filing Date:

February 13, 2017

Export Citation:

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Assignee:

FUJIFILM CORP (JP)

International Classes:

G10K11/16; B60R13/08

Foreign References:

JPH10222170A	1998-08-21
JP2005345836A	2005-12-15
JP2011039356A	2011-02-24