JPH01126697U - - Google Patents
Info
- Publication number
- JPH01126697U JPH01126697U JP20055487U JP20055487U JPH01126697U JP H01126697 U JPH01126697 U JP H01126697U JP 20055487 U JP20055487 U JP 20055487U JP 20055487 U JP20055487 U JP 20055487U JP H01126697 U JPH01126697 U JP H01126697U
- Authority
- JP
- Japan
- Prior art keywords
- metal diaphragm
- bending
- piezoelectric
- case
- front case
- 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 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20055487U JPH01126697U (pt) | 1987-12-28 | 1987-12-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20055487U JPH01126697U (pt) | 1987-12-28 | 1987-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01126697U true JPH01126697U (pt) | 1989-08-30 |
Family
ID=31490956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20055487U Pending JPH01126697U (pt) | 1987-12-28 | 1987-12-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01126697U (pt) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS626596A (ja) * | 1985-07-02 | 1987-01-13 | Matsushita Electric Ind Co Ltd | 圧電形電気音響変換器 |
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1987
- 1987-12-28 JP JP20055487U patent/JPH01126697U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS626596A (ja) * | 1985-07-02 | 1987-01-13 | Matsushita Electric Ind Co Ltd | 圧電形電気音響変換器 |