Angular velocity sensor

Details Angular velocity sensor Angular velocity sensor

1998-12-10

2000-09-12

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

7350412, G01P 904

Patent

active

061160873

ABSTRACT:
An angular velocity sensor comprises a driving element, a detecting element, and a feedback element, all of which are disposed on an element forming face of an oscillator. An electrostatic capacitance of the feedback element is set to be equal to that of the detecting element. As a result, a synchronous detection circuit can reduce the offset signal due to a phase difference between signals from the feedback element and the detecting element.

REFERENCES:
patent: 5481913 (1996-01-01), Ito et al.
patent: 5493166 (1996-02-01), Kasanami et al.
patent: 5719460 (1998-02-01), Watarai et al.

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