Capacitive bulk acoustic wave disk gyroscopes with...

Details Capacitive bulk acoustic wave disk gyroscopes with... Capacitive bulk acoustic wave disk gyroscopes with...

2011-01-25

2011-01-25

Kwok, Helen C. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using wave or beam motion

C073S504120, C073S001370

Reexamination Certificate

active

07874209

ABSTRACT:
The apparatus in one embodiment may have capacitive bulk acoustic wave disk gyro operated in a closed loop mode. A self-calibration system may be operatively coupled to the capacitive bulk acoustic wave disk gyroscope. Self-calibration of gyro bias of the gyro may be implemented by interchanging an anti-nodal axis with a nodal axis of the gyro.

REFERENCES:
patent: 5471875 (1995-12-01), Sato et al.
patent: 7565839 (2009-07-01), Stewart et al.
patent: 2007/0089510 (2007-04-01), Wyse et al.
patent: 2007/0119258 (2007-05-01), Yee
patent: 2008/0223107 (2008-09-01), Stewart
patent: 2010/0024560 (2010-02-01), Shcheglov
patent: 2010/0063763 (2010-03-01), Rozelle
patent: 2010/0071465 (2010-03-01), Stewart

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