Tuning fork type oscillator and vibration gyroscope using same

Details Tuning fork type oscillator and vibration gyroscope using same Tuning fork type oscillator and vibration gyroscope using same

1997-03-24

2000-02-01

Oda, Christine K.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

310370, 7350402, G01P 300

Patent

active

060189975

ABSTRACT:
A vibration gyro which is equipped with an oscillator in which slits are made in a flat-plate piezoelectric board to form a tuning fork section. For construction of the oscillator, driving electrodes for vibrating the tuning fork section are formed in the vicinity of end portions of the slit, while detection electrodes for detecting an rotational angular velocity in a longitudinal direction of the tuning fork section are formed on the arm portions of the tuning fork section.

REFERENCES:
patent: 5159301 (1992-10-01), Kaida
patent: 5329816 (1994-07-01), Soderkvist
patent: 5373269 (1994-12-01), Kaida et al.
patent: 5394123 (1995-02-01), Inoue et al.
patent: 5434547 (1995-07-01), Kaida
patent: 5451828 (1995-09-01), Tomikawa
patent: 5691595 (1997-11-01), Tomikawa

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