JPH01133847U - - Google Patents
Info
- Publication number
- JPH01133847U JPH01133847U JP3001888U JP3001888U JPH01133847U JP H01133847 U JPH01133847 U JP H01133847U JP 3001888 U JP3001888 U JP 3001888U JP 3001888 U JP3001888 U JP 3001888U JP H01133847 U JPH01133847 U JP H01133847U
- Authority
- JP
- Japan
- Prior art keywords
- air chamber
- back air
- piezoelectric vibrator
- chamber plate
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000919 ceramic 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
- Telephone Set Structure (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001888U JPH01133847U (en]) | 1988-03-07 | 1988-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3001888U JPH01133847U (en]) | 1988-03-07 | 1988-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133847U true JPH01133847U (en]) | 1989-09-12 |
Family
ID=31254707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3001888U Pending JPH01133847U (en]) | 1988-03-07 | 1988-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133847U (en]) |
-
1988
- 1988-03-07 JP JP3001888U patent/JPH01133847U/ja active Pending