Vibrator and vibrating gyroscope using the same

Details Vibrator and vibrating gyroscope using the same Vibrator and vibrating gyroscope using the same

1994-07-18

1996-02-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310321, 310345, 310346, H01L 4108

Patent

active

054931665

ABSTRACT:
The vibrator includes, for example, a triangular prism shaped vibrating body. On each of three side faces of the vibrating body, piezoelectric elements are formed respectively. The vibrating body makes bending vibration by giving a driving signal to one or two piezoelectric elements. The vibrator is used in a vibratory gyroscope. In this case, for example, one piezoelectric element is used for vibrating the vibrator. When a rotating force is applied to the vibratory gyroscope, a Coriolis force is exerted to produce output voltages on the remaining two piezoelectric elements corresponding to the rotational angular velocity.

REFERENCES:
patent: 3612749 (1971-10-01), Grube
patent: 3754153 (1973-08-01), Carpenter
patent: 3805509 (1974-04-01), Assmus et al.
patent: 3931600 (1976-01-01), Nagashima et al.
patent: 4027181 (1977-05-01), Moreillon et al.
patent: 4124829 (1978-11-01), Kuenemund
patent: 4328442 (1982-05-01), Tanaka et al.
patent: 4836023 (1989-06-01), Oikawa
patent: 5117148 (1992-05-01), Nakamura et al.
patent: 5118981 (1992-06-01), Kobayashi et al.
patent: 5256929 (1993-10-01), Terajima

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