JPS643297U - - Google Patents
Info
- Publication number
- JPS643297U JPS643297U JP9497587U JP9497587U JPS643297U JP S643297 U JPS643297 U JP S643297U JP 9497587 U JP9497587 U JP 9497587U JP 9497587 U JP9497587 U JP 9497587U JP S643297 U JPS643297 U JP S643297U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- piezoelectric
- film
- fixed
- utility
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9497587U JPS643297U (fr) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9497587U JPS643297U (fr) | 1987-06-19 | 1987-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS643297U true JPS643297U (fr) | 1989-01-10 |
Family
ID=31319575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9497587U Pending JPS643297U (fr) | 1987-06-19 | 1987-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS643297U (fr) |
-
1987
- 1987-06-19 JP JP9497587U patent/JPS643297U/ja active Pending