Angular rate sensor
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United States of America Patent
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-
Jul 1, 2003
Grant Date -
N/A
app pub date -
Jul 5, 2000
filing date -
Sep 10, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An angular rate sensor is characterized by having electrodes constituting an exciting unit for providing a vibrator with vibration, an electrode constituting a means for detecting a vibration level of the vibrator, an electrode constituting a first detection means for detecting Coriolis' force generated responsive to an angular rate, a second detecting electrode for detecting a signal of reverse polarity to that of the first detecting electrode, a driving circuit for taking as an input a signal from the electrode for detecting the vibration level and outputting a signal to the electrodes, and a first detection circuit and a second detection circuit for taking respective inputs of detected signals from the first detecting electrode and the second detecting electrode.
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