发明名称 |
Active noise inusulation wall having a plurality of active acoustic control cells |
摘要 |
<p>The invention relates to an active noise insulation wall having a plurality of rows formed by spacing the adjacent rows by a predetermined distance, each of the rows being formed from a plurality of active acoustic control cells, disposed in a longitudinal direction of a noise insulation wall, for controlling a coming noise such that a diffracted sound pressure component of the coming noise at an upper end surface of the noise insulation wall is actively reduced.</p> |
申请公布号 |
EP2019389(A2) |
申请公布日期 |
2009.01.28 |
申请号 |
EP20080019193 |
申请日期 |
2001.04.20 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
OHNISHI, KEIZO;NISHIMURA, MASAHARU;TERANISHI, SUSUMU;ARAI, TAKANORI |
分类号 |
G10K11/178;E01F8/00;G10K11/172 |
主分类号 |
G10K11/178 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|