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2. 发明授权

US5436874A Method and apparatus for sensing acoustic signals in a liquid 失效
标题翻译：用于检测液体中的声信号的方法和装置
公开(公告)号：US5436874A
公开(公告)日：1995-07-25
申请号：US153949
申请日：1993-11-17
申请人： Philip M. Kuhn , Frank P. Hodges
发明人： Philip M. Kuhn , Frank P. Hodges
IPC分类号： G10K11/00 , H04R17/00
CPC分类号： G10K11/006
摘要： An apparatus for sensing acoustic signals in a liquid wherein an omnidirectional hydrophone exhibits a hemispheric response pattern. A hydrophone, including a transducer element and a transmitting cable, is mounted such that the transducer element is adjacent the forward face of an acoustic baffle including a layer of sound-absorbing material. The rear face of the acoustic baffle is positioned adjacent an acoustic shield including a layer of sound-reflecting material. The transmitting cable is positioned in an aperture in the acoustic baffle and the acoustic shield, and passes beyond the rear face of the acoustic shield. A flow fairing is positioned adjacent the forward face of the acoustic baffle and encloses at least the forward portion of the transducer element.
摘要翻译：一种用于感测液体中的声信号的装置，其中全向水听器具有半球响应模式。包括换能器元件和传输电缆的水听器安装成使得换能器元件邻近包括吸声材料层的声挡板的前面。隔音板的后表面邻近包括一层声音反射材料的声屏蔽。传输电缆定位在隔音板和声屏蔽中的孔中，并超出声屏蔽的后表面。流动整流装置定位在隔音挡板的前面附近，并至少包围换能器元件的前部。

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