JPH01113498U - - Google Patents
Info
- Publication number
- JPH01113498U JPH01113498U JP929088U JP929088U JPH01113498U JP H01113498 U JPH01113498 U JP H01113498U JP 929088 U JP929088 U JP 929088U JP 929088 U JP929088 U JP 929088U JP H01113498 U JPH01113498 U JP H01113498U
- Authority
- JP
- Japan
- Prior art keywords
- metal base
- piezoelectric
- vibrating element
- piezoelectric vibrating
- node
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は及び第２図はそれぞれこの考案実施例
の圧電振動素子の正面図及び断面図、第３図はこ
の考案実施例及び従来の圧電振動素子の周波数特
性図である。
１：圧電振動素子、１１：金属基体、１２：圧
電セラミツク、２：小突起。
1 and 2 are respectively a front view and a sectional view of a piezoelectric vibrating element according to an embodiment of this invention, and FIG. 3 is a frequency characteristic diagram of the piezoelectric vibrating element according to an embodiment of this invention and a conventional piezoelectric vibrating element. 1: piezoelectric vibrating element, 11: metal base, 12: piezoelectric ceramic, 2: small protrusion.
Claims (1)
圧電セラミツク１２とよりなる圧電振動素子１に
おいて、前記金属基体１１面において前記圧電振
動素子１の第２次共振の節となる環状部分に小突
起２を配列したことを特徴とする圧電素子。 In a piezoelectric vibrating element 1 consisting of a metal base 11 and a piezoelectric ceramic 12 coupled to the metal base 11, a small protrusion 2 is provided on the annular portion of the surface of the metal base 11 that becomes a node of secondary resonance of the piezoelectric vibrating element 1. A piezoelectric element characterized by an array of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP929088U JPH01113498U (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP929088U JPH01113498U (en) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113498U true JPH01113498U (en) | 1989-07-31 |
Family
ID=31215906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP929088U Pending JPH01113498U (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007281669A (en) * | 2006-04-04 | 2007-10-25 | Nec Corp | Speaker |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745699B2 (en) * | 1974-04-26 | 1982-09-29 |
-
1988
- 1988-01-26 JP JP929088U patent/JPH01113498U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5745699B2 (en) * | 1974-04-26 | 1982-09-29 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007281669A (en) * | 2006-04-04 | 2007-10-25 | Nec Corp | Speaker |
| JP4605395B2 (en) * | 2006-04-04 | 2011-01-05 | 日本電気株式会社 | Speaker |