发明名称 Drive detection device for gyroscope
摘要 <p>A pair of electrodes (10a, 10b) are formed on the front surface and the rear surface of each vibrator (10u, 10v, 10w) in a longitudinal direction, and dielectric polarization is performed in the direction from the front surface to the rear surface. When I/V converters constituted by operational amplifiers are connected to electrodes of the middle vibrator, the detection electrodes can be grounded to a reference potential Vref through the imaginary short circuits of the I/V converters, so that a gyroscope can be vibrated without a conventional ground electrode. Therefore, the number of electrodes of the vibrators can be reduced, and an interval size between the drive electrodes or between the detection electrodes can be assured. For this reason, sufficient dielectric polarization can be performed when a high voltage is applied. &lt;IMAGE&gt;</p>
申请公布号 EP1055909(A2) 申请公布日期 2000.11.29
申请号 EP20000304409 申请日期 2000.05.24
申请人 ALPS ELECTRIC CO., LTD. 发明人 ONO, YASUICHI;HASEGAWA, KAZUO;TAKAI, DAISUKE
分类号 G01P9/04;G01C19/00;G01C19/56;(IPC1-7):G01C19/56 主分类号 G01P9/04
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