Measuring and testing – Speed – velocity – or acceleration – Angular rate using gyroscopic or coriolis effect
Patent
1994-04-01
1996-02-27
Williams, Hezron E.
Measuring and testing
Speed, velocity, or acceleration
Angular rate using gyroscopic or coriolis effect
7351439, G01P 1508
Patent
active
054939097
ABSTRACT:
The present invention is directed to a method of and an apparatus for detecting an angular velocity and a rotation angle of a rotary member. In the present invention, first and second accelerations at first and second points of the rotary member are detected, respectively. The first and second accelerations are added, while the first acceleration is subtracted from the second acceleration. From the added and subtracted values, then, an angular velocity and a rotary angle of the rotary member are calculated.
REFERENCES:
patent: 4601206 (1986-07-01), Watson
patent: 5247466 (1993-09-01), Shimada
patent: 5385047 (1995-01-01), Cochard
Mitsubishi Denki & Kabushiki Kaisha
Oda Christine K.
Williams Hezron E.
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