Reduced start time for MEMS gyroscope

Details Reduced start time for MEMS gyroscope Reduced start time for MEMS gyroscope

2006-01-03

2006-01-03

Williams, Hezron (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C073S504020, C073S504160, C073S514320

Reexamination Certificate

active

06981415

ABSTRACT:
By applying a first value of voltage to a first side of a MEMS gyroscope and applying a second value of voltage to a second side of the MEMS gyroscope, the start time of the MEMS gyroscope may be improved. The first and second value of voltage may be provided by a bias power source, such as a battery or a super capacitor. The first value of voltage may be substantially equal in magnitude to and opposite in polarity to the second value of voltage. The bias power source may also be applied to drive electronics connected to the MEMS gyroscope. The bias power source may prevent amplifiers within the drive electronics from saturating during the start time.

REFERENCES:
patent: 5747961 (1998-05-01), Ward et al.
patent: 5892153 (1999-04-01), Weinberg et al.
patent: 5911156 (1999-06-01), Ward et al.
patent: 6064169 (2000-05-01), Ward et al.
International Search Report for PCTUS03/09943 mailed Aug. 13, 2003.

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