Axially symmetric Coriolis vibratory gyroscope (variants)
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United States of America Patent
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Oct 25, 2016
Grant Date -
Aug 18, 2016
app pub date -
Apr 15, 2016
filing date -
Nov 19, 2010
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Abstract
Coriolis vibratory gyroscope includes a thin-walled resonator, fastened centrally on a stem located within the resonator; with 4nk holes in a wall of the resonator and arranged around the stem, where “k” is integer, “n” is order of vibration modes, and the angle between adjacent holes is “π/2nk”. The stem is rotationally symmetric and is fastened on a base; electrodes are arranged on the wall for excitation and measurement of vibration modes, with leads passing from the electrodes through the holes; the base has a seating for the resonator stem, and leads pass from the outside of the base through it, the leads being electrically-insulated and sealed relative to the base; the leads which pass through the base are connected to the leads which pass from the electrodes, allowing signals to pass from outside the base, through the base, through the holes in the resonator wall and to the electrodes.
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