Angular velocity detection apparatus

Details Angular velocity detection apparatus Angular velocity detection apparatus

2008-06-19

2011-10-18

Kwok, Helen C. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

C073S510000, C073S001370, C702S104000

Reexamination Certificate

active

08037758

ABSTRACT:
An angular velocity detection apparatus includes: a sensor unit having first and second detection axes serving as angular velocity detection axes, the first and second detection axes intersecting each other; a sensor output correction circuit for making at least one of an offset adjustment and a sensitivity adjustment to a detection output of an angular velocity around the first detection axis and a detection output of an angular velocity around the second detection axis; a sign determination circuit for obtaining a sign of a rotational direction of an angular velocity on any one of the first and second detection axes; and an amplitude calculation circuit for multiplying a square sum average of detection outputs of angular velocities around the first and second detection axes outputted by the sensor output correction circuit and a sign outputted by the sign determination circuit.

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patent: 2006-184074 (2006-07-01), None

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