JPH01132156U - - Google Patents
Info
- Publication number
- JPH01132156U JPH01132156U JP2717488U JP2717488U JPH01132156U JP H01132156 U JPH01132156 U JP H01132156U JP 2717488 U JP2717488 U JP 2717488U JP 2717488 U JP2717488 U JP 2717488U JP H01132156 U JPH01132156 U JP H01132156U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- space
- air chamber
- receiver
- chamber plate
- 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.)
- Granted
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
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717488U JPH073710Y2 (ja) | 1988-03-01 | 1988-03-01 | 電話用送受話器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717488U JPH073710Y2 (ja) | 1988-03-01 | 1988-03-01 | 電話用送受話器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01132156U true JPH01132156U (fi) | 1989-09-07 |
| JPH073710Y2 JPH073710Y2 (ja) | 1995-01-30 |
Family
ID=31249438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2717488U Expired - Lifetime JPH073710Y2 (ja) | 1988-03-01 | 1988-03-01 | 電話用送受話器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH073710Y2 (fi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128497U (ja) * | 1991-05-18 | 1992-11-24 | 太陽誘電株式会社 | 圧電音響装置 |
-
1988
- 1988-03-01 JP JP2717488U patent/JPH073710Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04128497U (ja) * | 1991-05-18 | 1992-11-24 | 太陽誘電株式会社 | 圧電音響装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH073710Y2 (ja) | 1995-01-30 |