Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1993-10-12
1996-01-09
Chilcot, Richard
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
G01P 904
Patent
active
054819130
ABSTRACT:
An angular velocity sensor which suppresses the generation of noise in a detector piezo-electric element due to vibration of a vibrator caused by expansion and contraction of a driver piezo-electric element. A driver piezo-electric element 6 is adhered to an upper part on the left-side surface of a first square pole 3 of a vibrator 1 and a driver piezo-electric element 7 is adhered to an upper part on the right-side surface of a second square pole 4. Further, a detector piezo-electric element 8 is adhered to a lower part on the front surface of the first square pole 3 of the vibrator 1 and a detector piezo-electric element 9 is adhered to a lower part on the front surface of the second square pole 4. Here, the driver piezo-electric elements 6, 7 and the detector piezo-electric elements 8, 9 are disposed so as to be deviated so that they will not overlap in the axial direction of the square poles.
REFERENCES:
patent: 4628734 (1986-12-01), Watson
patent: 4930351 (1990-06-01), Macy et al.
patent: 5131273 (1992-07-01), Tabata et al.
patent: 5166571 (1992-11-01), Konno et al.
Ito Takeshi
Kanda Tomoyuki
Yorinaga Muneo
Chilcot Richard
Nippon Soken Inc.
Nippondenso Co. Ltd.
Noori Max H.
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