Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01C
MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
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19/00
Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
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G01C19/56
Turn-sensitive devices using vibrating masses, e.g. vibratory angular rate sensors based on Coriolis forces
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G01C19/567
using the phase shift of a vibration node or antinode
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G01C19/5677
of essentially two-dimensional [2D] vibrators, e.g. ring-shaped vibrators
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G01C19/5684
the devices involving a micromechanical structure
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