Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1996-04-01
1999-03-23
Oda, Christine K.
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
7350403, 73510, 7351438, G01P 300
Patent
active
058862595
ABSTRACT:
An angular rate sensor that utilizes the Coriolis effect and which includes two dithered accelerometers having proof masses suspended by a hinge fabricated out of a Silicon substrate, the proof masses are provided with support struts that can be adjusted by applying heat to the struts to compensate for misalignment of the proof masses along the dither axis. In one embodiment, the hinges are located on the same side of the substrate and a vibrating beam force transducers are connected between each of the proof masses and associated accelerometer frames in a push-pull arrangement.
REFERENCES:
patent: 4665748 (1987-05-01), Peters
patent: 4750364 (1988-06-01), Kawamura et al.
patent: 4799385 (1989-01-01), Hulsing et al.
patent: 5005413 (1991-04-01), Novack et al.
patent: 5241861 (1993-09-01), Hulsing
patent: 5319976 (1994-06-01), Hulsing
patent: 5331853 (1994-07-01), Hulsing
patent: 5341682 (1994-08-01), Hulsing
patent: 5456110 (1995-10-01), Hulsing, II
Allied-Signal Inc.
Oda Christine K.
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