发明名称 |
Sound absorbing structure |
摘要 |
A sound absorbing structure including a sound absorbing member, an air layer, and a resonant sound absorbing structure. The air layer is formed in the rear of the sound absorbing member. The resonant sound absorbing structure includes a slit and is formed in the rear of the sound absorbing member. The sound absorbing member is a surface plate covering the rear air layer and the resonant sound absorbing structure, and the sound absorbing member is shaped in one of a plate and plane.
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申请公布号 |
US6568135(B1) |
申请公布日期 |
2003.05.27 |
申请号 |
US20000556429 |
申请日期 |
2000.04.24 |
申请人 |
NICHIAS CORPORATION;ALUMU CORPORATION;YOTSUMOTO ACOUSTIC DESIGN INC. |
发明人 |
YOKOYAMA YOSHIAKI;MIGITA SHINJI;OKUZONO SHINICHI;FUJIWARA KYOJI;FUJIMOTO TAKUYA;HATTORI YUKIO |
分类号 |
E01F8/00;G10K11/16;(IPC1-7):E04B1/82 |
主分类号 |
E01F8/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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