Vibrator, oscillator, electronic device for controlling internal resonance between inherent vibration modes
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United States of America Patent
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May 16, 2017
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app pub date -
Apr 22, 2016
filing date -
Apr 28, 2015
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Abstract
A vibrator includes a vibrator element and a base on which the vibrator element is installed. In addition, when n is set to a natural number equal to or greater than 2, and j is set to a natural number equal to or greater than 1 and equal to or less than n, the vibrator element includes n inherent vibration modes having resonance frequencies different from each other, and when a resonance frequency of a main vibration of the vibrator element in the n inherent vibration modes is set to ω1 in a relationship between an arbitrary integer kj and a resonance frequency ωj corresponding to each of the n inherent vibration modes, the following three expressions are all satisfied.
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