Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1999-07-13
2000-09-19
Moller, Richard A.
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
G01C 1900
Patent
active
061195170
ABSTRACT:
Strictly out-of-phase stimulation of the two oscillators of a micro-mechanical rate-of-rotation sensor based on the Coriolis principle, having two-plate like oscillators arranged in layers one above another in two parallel planes and capable of being stimulated to oscillate perpendicular to the planes by means of an electrostatic drive, is achieved by the oscillators each being connected via at least one spring to a couple element formed, in each case, in the same wafer layer. The couple elements are mirror-symmetrically configured with respect to a mid-plane between the oscillators and connected to each other by a coupling web arranged therebetween to form a couple structure for the oscillators.
REFERENCES:
patent: 5959206 (1999-09-01), Ryrko et al.
Breng Uwe
Ryrko Bruno
Zimmermann Steffen
Kramsky Elliot N.
Litef GmbH
Moller Richard A.
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