Inertial force detection device
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United States of America Patent
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Nov 24, 2020
Grant Date -
Feb 7, 2019
app pub date -
Jan 13, 2017
filing date -
Feb 29, 2016
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Abstract
The present invention addresses the problem of providing an inertial force detection device with which it is possible to diagnose sensor output without hindrance even when a vehicle is traveling. In order to solve this problem, there is provided an inertial force detection device for measuring inertial force according to a displacement amount of an oscillating body, wherein a diagnosis voltage that is synchronous with an output command signal inputted from the outside is applied. Furthermore, the period over which the diagnosis voltage is applied is shorter, by a prescribed period, than a cycle of the output command signal. Furthermore, at least one of the period over which the diagnosis voltage is applied, the diagnosis voltage, a diagnosis threshold value, and a filter characteristic is varied according to the cycle of the output command signal.
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