发明名称 |
METHOD AND DEVICE FOR THE ELECTROACOUSTIC TRANSMISSION OF ACOUSTIC ENERGY |
摘要 |
The invention relates to an electroacoustic transducer which can be used as both a microphone and a loudspeaker and for the three-dimensional absorption and emission of acoustic energy comprises several freely oscillating membranes (1) which are each suspended in front of funnel-shaped separating walls (4). |
申请公布号 |
WO9957936(A2) |
申请公布日期 |
1999.11.11 |
申请号 |
WO1999EP02927 |
申请日期 |
1999.04.29 |
申请人 |
BOERDER, KLAUS;KAETEL, KLAUS |
发明人 |
KAETEL, KLAUS |
分类号 |
G11C7/00;G11C27/02 |
主分类号 |
G11C7/00 |
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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