JPH0415341U - - Google Patents
Info
- Publication number
- JPH0415341U JPH0415341U JP5502390U JP5502390U JPH0415341U JP H0415341 U JPH0415341 U JP H0415341U JP 5502390 U JP5502390 U JP 5502390U JP 5502390 U JP5502390 U JP 5502390U JP H0415341 U JPH0415341 U JP H0415341U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- handset
- piezoelectric element
- metal diaphragm
- sound emitting
- 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
- 239000002184 metal Substances 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502390U JPH0415341U (es) | 1990-05-26 | 1990-05-26 | |
| US07/809,545 US5321761A (en) | 1990-05-26 | 1991-05-24 | Piezoelectric sound generator and method of its manufacture |
| CA002066262A CA2066262C (en) | 1990-05-26 | 1991-05-24 | Piezoelectric sound generator and method of its manufacture |
| PCT/JP1991/000719 WO1991019372A1 (fr) | 1990-05-26 | 1991-05-24 | Dispositif sonore piezoelectrique et procede de fabrication dudit dispositif |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5502390U JPH0415341U (es) | 1990-05-26 | 1990-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415341U true JPH0415341U (es) | 1992-02-07 |
Family
ID=31577608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5502390U Pending JPH0415341U (es) | 1990-05-26 | 1990-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415341U (es) |
-
1990
- 1990-05-26 JP JP5502390U patent/JPH0415341U/ja active Pending