公开(公告)号：US20090199658A1

公开(公告)日：2009-08-13

申请号：US12366201

申请日：2009-02-05

申请人： Mitsuhiro ANDO ,  Hiroyuki TANAKA ,  Shunsuke KOGURE ,  Kazuhiko OSHIMA

发明人： Mitsuhiro ANDO ,  Hiroyuki TANAKA ,  Shunsuke KOGURE ,  Kazuhiko OSHIMA

IPC分类号： G01L1/10

CPC分类号： G01L1/162

摘要： A load detection device includes a piezoelectric body unit adapted to be deformed by receiving an electric voltage, the piezoelectric body unit generating an electric charge by receiving an external load, a drive portion applying the electric voltage to the piezoelectric body unit for vibrating thereof, a detection portion detecting the electric charge generated at the piezoelectric body unit, and an adjusting member adjusting a pressure applied to at least one pressure sensing surface provided at the piezoelectric body unit to restrain the vibration of the piezoelectric body unit.

摘要翻译： 负载检测装置包括：压电体单元，其适于通过接收电压而变形，所述压电体单元通过接收外部负载产生电荷;驱动部，向所述压电体单元施加电压使其振动， 检测部分检测在压电体单元处产生的电荷;以及调节部件，调节施加在压电体单元上的至少一个压力感测面的压力，以抑制压电体单元的振动。