JPH02113498U - - Google Patents
Info
- Publication number
- JPH02113498U JPH02113498U JP2208189U JP2208189U JPH02113498U JP H02113498 U JPH02113498 U JP H02113498U JP 2208189 U JP2208189 U JP 2208189U JP 2208189 U JP2208189 U JP 2208189U JP H02113498 U JPH02113498 U JP H02113498U
- Authority
- JP
- Japan
- Prior art keywords
- speaker device
- living space
- vehicle
- piezoelectric film
- film diaphragm
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2208189U JPH02113498U (en]) | 1989-02-28 | 1989-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2208189U JPH02113498U (en]) | 1989-02-28 | 1989-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02113498U true JPH02113498U (en]) | 1990-09-11 |
Family
ID=31239878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2208189U Pending JPH02113498U (en]) | 1989-02-28 | 1989-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02113498U (en]) |
-
1989
- 1989-02-28 JP JP2208189U patent/JPH02113498U/ja active Pending