Gyroscope with temperature compensation
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United States of America Patent
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Sep 21, 2010
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app pub date -
Sep 29, 2008
filing date -
Sep 27, 2007
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Abstract
A method for compensating for bias and scale factor errors in vibrating structure gyroscopes. Certain embodiments utilize the functional relationship that bias and scale factor errors have with resonant frequency of vibration in the main vibrating body. Other embodiments utilize the functional relationships that other drive parameters of vibrating structure gyroscopes, such as drive voltage, have with bias and scale factor errors. The various methods may be used repeatedly during normal gyroscope operation in order to continually compensate for the bias and scale factor errors.
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