JPH0285315U - - Google Patents
Info
- Publication number
- JPH0285315U JPH0285315U JP1988165430U JP16543088U JPH0285315U JP H0285315 U JPH0285315 U JP H0285315U JP 1988165430 U JP1988165430 U JP 1988165430U JP 16543088 U JP16543088 U JP 16543088U JP H0285315 U JPH0285315 U JP H0285315U
- Authority
- JP
- Japan
- Prior art keywords
- plate
- arm
- piezoelectric gyro
- suppressing
- gyro vibrator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Gyroscopes (AREA)
Description
第1図は本考案の第1実施例を示す斜視図、第
2図は本考案の第2実施例を示す斜視図、第3図
は本考案の第3実施例を示す斜視図、第4図は本
考案の第4実施例を示す斜視図、第5図aおよび
bは従来の振動子を示す斜視図、第6図はねじれ
振動を説明する上面図である。
第1図〜第6図において、11,21,17,
27……ベース部材、12,22……アーム部材
、13,23……検出部材、14,15,24,
25……圧電素子、16,26……支持部材、1
8,28……溝。
Fig. 1 is a perspective view showing a first embodiment of the invention, Fig. 2 is a perspective view showing a second embodiment of the invention, Fig. 3 is a perspective view showing a third embodiment of the invention, and Fig. 4 is a perspective view showing a third embodiment of the invention. The figure is a perspective view showing a fourth embodiment of the present invention, FIGS. 5A and 5B are perspective views showing a conventional vibrator, and FIG. 6 is a top view illustrating torsional vibration. In Figures 1 to 6, 11, 21, 17,
27... Base member, 12, 22... Arm member, 13, 23... Detection member, 14, 15, 24,
25... Piezoelectric element, 16, 26... Support member, 1
8,28...groove.
Claims (1)
板状のアーム部材及び検出部材を有する2枚の振
動片を、各前記アーム部材の板面を揃え間隔をお
いて該アーム部材の根元をベース部材の1辺で互
いに連結した振動片対を少なくとも1対備え、駆
動時に生じるねじれ振動の抑制手段を有すること
を特徴とする圧電ジヤイロ振動子。 (2) 前記抑制手段が前記ベース部材の剛性強化
手段であることを特徴とする実用新案登録請求の
範囲第1項記載の圧電ジヤイロ振動子。 (3) 前記抑制手段が前記各アーム部材の前記根
元の板面に設けた直線状の溝であることを特徴と
する実用新案登録請求の範囲第1項記載の圧電ジ
ヤイロ振動子。[Claims for Utility Model Registration] (1) Two vibrating pieces each having a plate-shaped arm member and a detection member, each of which has a plate-like arm member and a detection member connected to each other so that their plate surfaces form a right angle, are arranged so that the plate surfaces of the arm members are aligned and spaced apart. A piezoelectric gyro vibrator comprising at least one pair of vibrating pieces in which the roots of the arm members are connected to one side of a base member, and a means for suppressing torsional vibrations generated during driving. (2) The piezoelectric gyro vibrator according to claim 1, wherein the suppressing means is a means for reinforcing the rigidity of the base member. (3) The piezoelectric gyro vibrator according to claim 1, wherein the suppressing means is a linear groove provided in the plate surface of the base of each arm member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988165430U JPH0723689Y2 (en) | 1988-12-20 | 1988-12-20 | Piezoelectric gyro oscillator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988165430U JPH0723689Y2 (en) | 1988-12-20 | 1988-12-20 | Piezoelectric gyro oscillator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0285315U true JPH0285315U (en) | 1990-07-04 |
JPH0723689Y2 JPH0723689Y2 (en) | 1995-05-31 |
Family
ID=31451909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988165430U Expired - Lifetime JPH0723689Y2 (en) | 1988-12-20 | 1988-12-20 | Piezoelectric gyro oscillator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0723689Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001194149A (en) * | 2000-01-07 | 2001-07-19 | Kinseki Ltd | Angular velocity sensor |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0939296A3 (en) * | 1996-03-29 | 2001-01-17 | Ngk Insulators, Ltd. | Vibration gyro sensor, combined sensor, and method for producing vibration gyro sensor |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62140016A (en) * | 1985-12-13 | 1987-06-23 | Japan Storage Battery Co Ltd | Piezoelectric angular velocity sensor |
JPS62217114A (en) * | 1986-03-19 | 1987-09-24 | Tokyo Keiki Co Ltd | Gyro device |
JPS62257014A (en) * | 1986-05-01 | 1987-11-09 | Nissan Motor Co Ltd | Angular velocity sensor |
JPS63284412A (en) * | 1987-05-15 | 1988-11-21 | Nissan Motor Co Ltd | Angular speed detector |
-
1988
- 1988-12-20 JP JP1988165430U patent/JPH0723689Y2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62140016A (en) * | 1985-12-13 | 1987-06-23 | Japan Storage Battery Co Ltd | Piezoelectric angular velocity sensor |
JPS62217114A (en) * | 1986-03-19 | 1987-09-24 | Tokyo Keiki Co Ltd | Gyro device |
JPS62257014A (en) * | 1986-05-01 | 1987-11-09 | Nissan Motor Co Ltd | Angular velocity sensor |
JPS63284412A (en) * | 1987-05-15 | 1988-11-21 | Nissan Motor Co Ltd | Angular speed detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001194149A (en) * | 2000-01-07 | 2001-07-19 | Kinseki Ltd | Angular velocity sensor |
Also Published As
Publication number | Publication date |
---|---|
JPH0723689Y2 (en) | 1995-05-31 |
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