JPH054392Y2 - - Google Patents
Info
- Publication number
- JPH054392Y2 JPH054392Y2 JP7331387U JP7331387U JPH054392Y2 JP H054392 Y2 JPH054392 Y2 JP H054392Y2 JP 7331387 U JP7331387 U JP 7331387U JP 7331387 U JP7331387 U JP 7331387U JP H054392 Y2 JPH054392 Y2 JP H054392Y2
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- diaphragm
- pressing member
- lightweight elastic
- cylindrical
- 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 - Lifetime
Links
- 229920000642 polymer Polymers 0.000 claims description 12
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000009466 transformation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7331387U JPH054392Y2 (enExample) | 1987-05-15 | 1987-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7331387U JPH054392Y2 (enExample) | 1987-05-15 | 1987-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63181099U JPS63181099U (enExample) | 1988-11-22 |
| JPH054392Y2 true JPH054392Y2 (enExample) | 1993-02-03 |
Family
ID=30917538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7331387U Expired - Lifetime JPH054392Y2 (enExample) | 1987-05-15 | 1987-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054392Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5392006B2 (ja) * | 2009-10-28 | 2014-01-22 | 株式会社Ｊｖｃケンウッド | スピーカ装置 |
-
1987
- 1987-05-15 JP JP7331387U patent/JPH054392Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63181099U (enExample) | 1988-11-22 |
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