Method for achieving highly reproducible acceleration insensitive quartz crystal oscillators
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United States of America Patent
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Sep 12, 2006
Grant Date -
Nov 3, 2005
app pub date -
Mar 31, 2005
filing date -
Mar 31, 2004
priority date (Note) -
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Abstract
An oscillator and a method for producing an improved oscillator that will generate an accurate frequency when encountering a vibration. The oscillator and method uses a crystal with minimal cross-axis coupling. Further, a first accelerometer produced using MEMS technology is used. The first accelerometer is positioned inside of the oscillator so that the accelerometer accurately measures any vibration encountered by the oscillator. The first accelerometer and the crystal are maintained at constant temperature to minimize phase shifts and gain variations.
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