Vibration type gyroscope and method for manufacturing...

Details Vibration type gyroscope and method for manufacturing... Vibration type gyroscope and method for manufacturing...

2007-04-24

2007-04-24

Kwok, Helen (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

Reexamination Certificate

active

11239698

ABSTRACT:
A piezo-electric vibration reed1including connection arms extended in opposing directions from a base12, drive arms extended in a direction perpendicular to the connection arms at the respective tips of the connection arms13and14, and detection arms extended from the base12in a direction perpendicular to the connection arms. In the respective tips of the drive arms, and the detection arms, there are formed a first deadweight portion and a second deadweight portion, which are adjustment portions used for mass adjustment. The adjustment portions are formed of deadweight layers and an electrode film.

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