发明申请
US20140233781A1 SOUND TRANSMISSION MATERIAL, SOUND CONTROL PLANE STRUCTURE INCLUDING BUILDING USE USING THE SOUND TRANSMISSION MATERIAL, WINDSCREEN FOR MICROPHONE, PROTECTIVE GRILLE, SOUND TRANSMISSION PROJECTION SCREEN, AND SPEAKER
有权
声音传输材料，声控控制平面结构，包括使用声传输材料，麦克风风扇，保护格栅，声音传输投影屏幕和扬声器使用的建筑物
- 专利标题： SOUND TRANSMISSION MATERIAL, SOUND CONTROL PLANE STRUCTURE INCLUDING BUILDING USE USING THE SOUND TRANSMISSION MATERIAL, WINDSCREEN FOR MICROPHONE, PROTECTIVE GRILLE, SOUND TRANSMISSION PROJECTION SCREEN, AND SPEAKER
- 专利标题（中）： 声音传输材料，声控控制平面结构，包括使用声传输材料，麦克风风扇，保护格栅，声音传输投影屏幕和扬声器使用的建筑物
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申请号： US14005083申请日： 2012-08-30
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公开(公告)号： US20140233781A1公开(公告)日： 2014-08-21
- 发明人: Fukushi Kawakami , Takayuki Sano
- 申请人： Fukushi Kawakami , Takayuki Sano
- 申请人地址： JP Tokyo
- 专利权人： TOMOEGAWA CO., LTD.
- 当前专利权人： TOMOEGAWA CO., LTD.
- 当前专利权人地址： JP Tokyo
- 优先权： CN2011-198418 20110912
- 国际申请： PCT/JP2012/071988 WO 20120830
- 主分类号： G10K11/162
- IPC分类号： G10K11/162 ; E04B1/99 ; H04R1/08
摘要：
A sound transmission, material is made of fibers entangled with each other and has a self-standing property and a high performance sound transmission property, namely the Taber stiffness is not less than 5 mN·m, the bending resistance is not less than 100 mN, the porosity is not less than 50%, and the thickness is not more than 3 mm.
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