Waterproof sound transmitting sheet, and method for producing same

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United States of America Patent

PATENT NO 9514735
APP PUB NO 20140332310A1
SERIAL NO

14371648

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Abstract

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Disclosed herein is a waterproof sound-transmitting sheet, the thickness of which can easily be adjusted and which has a high sound transmitting efficiency and excellent waterproofness, and a method for producing same. The waterproof sound-transmitting sheet, which is attached to a sound hole of a case, includes: a support layer made of a film-shaped porous material and formed in the case; and a waterproofing layer formed on one side of the support layer in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered and exposed to the outside of the case.

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Patent Owner(s)

Patent OwnerAddress
AMOGREENTECH CO LTDGIMPO-SI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hwang, Jun-Sik Incheon, KR 39 352
Jung, Yong-Sik Gyeonggi-do, KR 8 23
Kim, Kyung-Su Gyeonggi-do, KR 20 99
Lee, Seung-Hoon Gyeonggi-do, KR 234 3553
Seo, In-Yong Seoul, KR 12 25

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