Inertial sensor and combined sensor therewith

Details Inertial sensor and combined sensor therewith Inertial sensor and combined sensor therewith

2004-10-01

2008-03-04

Williams, Hezron (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

Reexamination Certificate

active

07337669

ABSTRACT:
An inertial sensor is provided which includes a self-diagnosis circuit which applies an AC-bias signal voltage ahead of a synchronous demodulator, and thereby, supplies a diagnostic signal for detecting an abnormality in at least one of a detecting element and a detection circuit. This inertial sensor is capable of actively diagnosing whether or not there is an abnormality in the sensor itself, only by monitoring whether a predetermined DC offset signal is obtained from a sensor output terminal of the inertial sensor.

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Office Action for Chinese Patent Application No. 2004/10083382.5, issued Aug. 3, 2007.

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