JPH01177697U - - Google Patents
Info
- Publication number
- JPH01177697U JPH01177697U JP7173488U JP7173488U JPH01177697U JP H01177697 U JPH01177697 U JP H01177697U JP 7173488 U JP7173488 U JP 7173488U JP 7173488 U JP7173488 U JP 7173488U JP H01177697 U JPH01177697 U JP H01177697U
- Authority
- JP
- Japan
- Prior art keywords
- attached
- diaphragm
- case
- damper
- sounding device
- 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 4
- 239000000758 substrate Substances 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000011888 foil Substances 0.000 claims 1
- 239000002648 laminated material Substances 0.000 claims 1
- 229920006254 polymer film Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 229920005549 butyl rubber Polymers 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173488U JPH01177697U (el) | 1988-06-01 | 1988-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7173488U JPH01177697U (el) | 1988-06-01 | 1988-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177697U true JPH01177697U (el) | 1989-12-19 |
Family
ID=31296928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7173488U Pending JPH01177697U (el) | 1988-06-01 | 1988-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177697U (el) |
Cited By (2)
| 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 |
| WO2011108441A1 (ja) * | 2010-03-01 | 2011-09-09 | パナソニック電工株式会社 | 圧電スピーカおよびこの圧電スピーカを用いた警報装置 |
-
1988
- 1988-06-01 JP JP7173488U patent/JPH01177697U/ja active Pending
Cited By (3)
| 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 |
| WO2011108441A1 (ja) * | 2010-03-01 | 2011-09-09 | パナソニック電工株式会社 | 圧電スピーカおよびこの圧電スピーカを用いた警報装置 |
| JP2011205613A (ja) * | 2010-03-01 | 2011-10-13 | Panasonic Electric Works Co Ltd | 圧電スピーカおよびこの圧電スピーカを用いた警報装置 |
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