JPH0298336U - - Google Patents
Info
- Publication number
- JPH0298336U JPH0298336U JP1989004360U JP436089U JPH0298336U JP H0298336 U JPH0298336 U JP H0298336U JP 1989004360 U JP1989004360 U JP 1989004360U JP 436089 U JP436089 U JP 436089U JP H0298336 U JPH0298336 U JP H0298336U
- Authority
- JP
- Japan
- Prior art keywords
- electrostrictive element
- hole
- piezoelectric ceramic
- pair
- center
- 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
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Shutters For Cameras (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004360U JPH0643781Y2 (ja) | 1989-01-20 | 1989-01-20 | 電歪素子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989004360U JPH0643781Y2 (ja) | 1989-01-20 | 1989-01-20 | 電歪素子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0298336U true JPH0298336U (enrdf_load_stackoverflow) | 1990-08-06 |
| JPH0643781Y2 JPH0643781Y2 (ja) | 1994-11-14 |
Family
ID=31206808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989004360U Expired - Lifetime JPH0643781Y2 (ja) | 1989-01-20 | 1989-01-20 | 電歪素子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643781Y2 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472932A (zh) * | 2021-06-11 | 2021-10-01 | Tcl通讯（宁波）有限公司 | 一种无孔听筒装置及移动终端 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162488A (ja) * | 1984-02-01 | 1985-08-24 | Murata Mfg Co Ltd | 圧電素子 |
| JPS64939A (en) * | 1987-06-24 | 1989-01-05 | Canon Inc | Driving device for exposing device |
-
1989
- 1989-01-20 JP JP1989004360U patent/JPH0643781Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60162488A (ja) * | 1984-02-01 | 1985-08-24 | Murata Mfg Co Ltd | 圧電素子 |
| JPS64939A (en) * | 1987-06-24 | 1989-01-05 | Canon Inc | Driving device for exposing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113472932A (zh) * | 2021-06-11 | 2021-10-01 | Tcl通讯（宁波）有限公司 | 一种无孔听筒装置及移动终端 |
| CN113472932B (zh) * | 2021-06-11 | 2023-10-03 | Tcl通讯（宁波）有限公司 | 一种无孔听筒装置及移动终端 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0643781Y2 (ja) | 1994-11-14 |