JPH01133845U - - Google Patents
Info
- Publication number
- JPH01133845U JPH01133845U JP3000188U JP3000188U JPH01133845U JP H01133845 U JPH01133845 U JP H01133845U JP 3000188 U JP3000188 U JP 3000188U JP 3000188 U JP3000188 U JP 3000188U JP H01133845 U JPH01133845 U JP H01133845U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- chamber plate
- air chamber
- back air
- telephone handset
- 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
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 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 |
---|---|---|---|
JP3000188U JPH01133845U (fi) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3000188U JPH01133845U (fi) | 1988-03-07 | 1988-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01133845U true JPH01133845U (fi) | 1989-09-12 |
Family
ID=31254674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3000188U Pending JPH01133845U (fi) | 1988-03-07 | 1988-03-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01133845U (fi) |
-
1988
- 1988-03-07 JP JP3000188U patent/JPH01133845U/ja active Pending