Vibrating gyroscope

Details Vibrating gyroscope Vibrating gyroscope

1995-01-17

1996-09-17

Williams, Hezron E.

Measuring and testing

Speed, velocity, or acceleration

Angular rate using gyroscopic or coriolis effect

7350412, G01C 1900, G01P 344, G01P 900, G01P 1508

Patent

active

055570453

ABSTRACT:
The vibrating gyroscope includes, for example, a regular triangular prism-shaped vibrating body. Piezoelectric elements are respectively formed to the three side faces of the vibrating body. An oscillation circuit is connected between two piezoelectric elements and the other piezoelectric element. Two supporting members made of metal wire are mounted to vivinity of nodal points of the vibrating body in order to support the vibrating body. Both ends of the supporting members are fixed to a supporting board. A holding portion for holding a part of the vibrating body is formed on the supporting board. The holding portion is formed by a opening or a recess. The vibrating body together with an oscillation circuit and detection circuit can be mounted on the supporting board. The opening or the recess wherein a part of the vibrating body is held can have a extended portion to enlarge exposing portion of two side faces of the vibrating body.

REFERENCES:
patent: 4836023 (1989-06-01), Oikawa
patent: 5315874 (1994-06-01), Petrovich et al.
patent: 5345822 (1994-09-01), Nakamura et al.
patent: 5375336 (1994-12-01), Nakamura
patent: 5377543 (1995-01-01), Fuchs et al.

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