| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive infrasound measuring sensor in a simple composition for establishing a multi-spot infrasound observation net by installing a plurality of the sensors aiming multi-spot observation in order to be used in measurement or disaster prevention aspect of infrasounds under natural environments. Ž<P>SOLUTION: The infrasound measuring sensor includes a container having an opening, a sheet stretched so as to cover the opening of the container, and a piezoelectric element attached to a sheet surface. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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