JPH01133849U - - Google Patents
Info
- Publication number
- JPH01133849U JPH01133849U JP3002088U JP3002088U JPH01133849U JP H01133849 U JPH01133849 U JP H01133849U JP 3002088 U JP3002088 U JP 3002088U JP 3002088 U JP3002088 U JP 3002088U JP H01133849 U JPH01133849 U JP H01133849U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- air chamber
- back air
- chamber plate
- lower 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
- 239000000463 material Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3002088U JPH01133849U (fi) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3002088U JPH01133849U (fi) | 1988-03-07 | 1988-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01133849U true JPH01133849U (fi) | 1989-09-12 |
Family
ID=31254711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3002088U Pending JPH01133849U (fi) | 1988-03-07 | 1988-03-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01133849U (fi) |
-
1988
- 1988-03-07 JP JP3002088U patent/JPH01133849U/ja active Pending