JPH01132199U - - Google Patents
Info
- Publication number
- JPH01132199U JPH01132199U JP2717788U JP2717788U JPH01132199U JP H01132199 U JPH01132199 U JP H01132199U JP 2717788 U JP2717788 U JP 2717788U JP 2717788 U JP2717788 U JP 2717788U JP H01132199 U JPH01132199 U JP H01132199U
- Authority
- JP
- Japan
- Prior art keywords
- recess
- metal plate
- thin
- piezoelectric
- piezoelectric diaphragm
- 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
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717788U JPH01132199U (en]) | 1988-03-01 | 1988-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717788U JPH01132199U (en]) | 1988-03-01 | 1988-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132199U true JPH01132199U (en]) | 1989-09-07 |
Family
ID=31249444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2717788U Pending JPH01132199U (en]) | 1988-03-01 | 1988-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132199U (en]) |
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1988
- 1988-03-01 JP JP2717788U patent/JPH01132199U/ja active Pending