专利名称：Method and apparatus for charging and
discharging a piezoelectric element
发明人：REINEKE, JOERG,HOCK, ALEXANDER申请号：EP97121557.9申请日：19971208公开号：EP0871230B1公开日：20040922
摘要：The method involves using an element (2) acting as an inductance for thecharging and discharging current. The charging and discharging currents are at leastpartly passed through the same inductive element. The inductive element is a coil. Thepiezoelectric element (111,121,..) is charged by repeatedly opening and closing acharging switch (3); closing the switch stores energy in the inductance and opening theswitch causes the stored energy to be output to the piezoelectric element.
申请人：ROBERT BOSCH GMBH,BOSCH GMBH ROBERT,ROBERT BOSCH GMBH
地址：DE
国籍：DE
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