JPH02108497U - - Google Patents
Info
- Publication number
- JPH02108497U JPH02108497U JP1733589U JP1733589U JPH02108497U JP H02108497 U JPH02108497 U JP H02108497U JP 1733589 U JP1733589 U JP 1733589U JP 1733589 U JP1733589 U JP 1733589U JP H02108497 U JPH02108497 U JP H02108497U
- Authority
- JP
- Japan
- Prior art keywords
- shim
- hole
- membrane
- foam plates
- piezoelectric element
- 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
- 239000006260 foam Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1733589U JPH02108497U (pt-PT) | 1989-02-15 | 1989-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1733589U JPH02108497U (pt-PT) | 1989-02-15 | 1989-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02108497U true JPH02108497U (pt-PT) | 1990-08-29 |
Family
ID=31231024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1733589U Pending JPH02108497U (pt-PT) | 1989-02-15 | 1989-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02108497U (pt-PT) |
-
1989
- 1989-02-15 JP JP1733589U patent/JPH02108497U/ja active Pending