Piezo-electric type acceleration sensor
专利汇可以提供Piezo-electric type acceleration sensor专利检索，专利查询，专利分析的服务。并且PURPOSE: To reduce variations in output as caused by a pyroelectric effect with a higher output by employing a composite where a metal powder dispersed in a resin as a load body to facilitate size reduction of this sensor.
CONSTITUTION: This sensor is provided with a pedestal 11 to be mounted on an object to be measured, a film-like piezo-electric body 13 fastened on a measuring surface vertical to a sensing shaft G of the pedestal 11 and a load body 14 comprising a rigid body acting as inertial mass section. The piezo-electric body 13 has a plane in such a shape that it is in a spot symmetry with the shaft G as center of symmetry in a plane parallel with a measuring surface and the load body 14 has a plane of a surface contacting the piezo-electric body 13 in such a shape that it is in a spot symmetry with the shaft G as center of symmetry while being in a linear symmetry for all cross-sections as given when it is sectioned by numerous planes vertical to the measuring surface running through the shaft G. The load body 14 employs a composite with a density thereof exceeding 10g/cm
3 wherein a metal powder with the density thereof exceeding 15g/cm
3 is dispersed in a resin.
COPYRIGHT: (C)1991,JPO&Japio，下面是Piezo-electric type acceleration sensor专利的具体信息内容。
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6 热电元件
