JPH0413920Y2 - - Google Patents
Info
- Publication number
- JPH0413920Y2 JPH0413920Y2 JP1989121708U JP12170889U JPH0413920Y2 JP H0413920 Y2 JPH0413920 Y2 JP H0413920Y2 JP 1989121708 U JP1989121708 U JP 1989121708U JP 12170889 U JP12170889 U JP 12170889U JP H0413920 Y2 JPH0413920 Y2 JP H0413920Y2
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- piezoelectric
- piezoelectric element
- diaphragm
- 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.)
- Expired
Links
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989121708U JPH0413920Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-17 | 1989-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989121708U JPH0413920Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-17 | 1989-10-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0257699U JPH0257699U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-04-25 |
| JPH0413920Y2 true JPH0413920Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-03-30 |
Family
ID=31368968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989121708U Expired JPH0413920Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-10-17 | 1989-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413920Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110116202A1 (en) * | 2007-08-08 | 2011-05-19 | Francois Giry | Reducing the boundary layer of aerodynamic effects |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6110400Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1980-06-30 | 1986-04-03 |
-
1989
- 1989-10-17 JP JP1989121708U patent/JPH0413920Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0257699U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1990-04-25 |
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