Reduced start time for MEMS gyroscope
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United States of America Patent
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-
Jan 3, 2006
Grant Date -
Nov 11, 2004
app pub date -
Jun 9, 2004
filing date -
Apr 2, 2002
priority date (Note) -
Expired
status (Latency Note)
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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.
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