JPH0348712U

JPH0348712U -

Info

Publication number: JPH0348712U
Application number: JP1989109318U
Authority: JP
Priority date: 1989-09-19
Filing date: 1989-09-19
Publication date: 1991-05-10

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す振動ジヤイロ
の斜視図、第２図は同側面図、第３図は本考案の
他の実施例による振動ジヤイロの斜視図、第４図
は振動子の駆動側振動モードの説明図、第５図は
不適当な駆動側振動モードについての説明図、第
６図は従来の振動ジヤイロを示す斜視図である。１……Ｈ型振動子、２……振動片、３……駆動
用圧電素子、４……自励発振検出用圧電素子。 Fig. 1 is a perspective view of a vibrating gyroscope according to an embodiment of the present invention, Fig. 2 is a side view of the same, Fig. 3 is a perspective view of a vibrating gyroscope according to another embodiment of the present invention, and Fig. 4 is a vibrator. FIG. 5 is an explanatory diagram of an inappropriate driving-side vibration mode, and FIG. 6 is a perspective view of a conventional vibrating gyroscope. 1... H-type vibrator, 2... Vibration piece, 3... Piezoelectric element for drive, 4... Piezoelectric element for self-excited oscillation detection.

Claims

[Claims for Utility Model Registration] (1) An H-shaped vibrator having four vibrating pieces, a pair of piezoelectric elements for driving, and a pair of piezoelectric elements for detecting self-excited oscillation; A vibrating gyroscope characterized in that one of the driving piezoelectric element or the self-excited oscillation detection piezoelectric element is disposed in one of the piezoelectric elements. (2) One drive piezoelectric element with opposite polarity is disposed on a common surface of the two upper and lower vibrating pieces on one side of the vibrating piece, and the upper and lower vibrating pieces on the other side of the vibrating piece are 2. The vibrating gyroscope according to claim 1, wherein one piezoelectric element for self-excited vibration detection having opposite polarity is disposed on a common surface of the two vibrating pieces. (3) One driving piezoelectric element having opposite polarity to each other is disposed on a common surface of the two left and right vibrating pieces on one side of the vibrating piece, and the driving piezoelectric elements having opposite polarities are disposed on the common surface of the two left and right vibrating pieces on one side of the vibrating piece, and One piezoelectric element for self-excited vibration detection having opposite polarity to each other is placed on a common surface of the two vibrating pieces.
The vibrating gyroscope according to claim 1, wherein the vibrating gyroscope is arranged one by one.