JPH0174696U - - Google Patents
Info
- Publication number
- JPH0174696U JPH0174696U JP1987169420U JP16942087U JPH0174696U JP H0174696 U JPH0174696 U JP H0174696U JP 1987169420 U JP1987169420 U JP 1987169420U JP 16942087 U JP16942087 U JP 16942087U JP H0174696 U JPH0174696 U JP H0174696U
- Authority
- JP
- Japan
- Prior art keywords
- elastic modulus
- diaphragm
- resin
- internal loss
- high internal
- 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
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
- 239000012783 reinforcing fiber Substances 0.000 claims 1
- 239000002759 woven fabric Substances 0.000 claims 1
Description
図面は、この考案の一実施態様に係るスピーカ
ー用振動板の概略縦断面図である。
１：高弾性率層、２：高内部損失層、３：高弾
性率層。
The drawing is a schematic longitudinal sectional view of a speaker diaphragm according to an embodiment of the invention. 1: High elastic modulus layer, 2: High internal loss layer, 3: High elastic modulus layer.
Claims (1)
る補強繊維からなる織物と２０℃における弾性率
が少なくとも１００Kg／ｍm2である樹脂との複合
材料からなる高弾性率層と、ｔａｎδが少なくと
も０．１である樹脂からなる高内部損失層との層
状構成を有し、かつ前記高内部損失層の厚みが全
体厚みの０．０５〜０．５０倍であることを特徴
とするスピーカー用振動板。 a high elastic modulus layer consisting of a composite material of a woven fabric made of reinforcing fibers having an elastic modulus of at least 20,000 Kg/mm 2 and a resin having an elastic modulus of at least 100 Kg/mm 2 at 20°C; and a tan δ of at least 0.1. A diaphragm for a speaker, characterized in that the diaphragm has a layered structure with a high internal loss layer made of a resin, and the thickness of the high internal loss layer is 0.05 to 0.50 times the overall thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169420U JPH0174696U (en) | 1987-11-05 | 1987-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169420U JPH0174696U (en) | 1987-11-05 | 1987-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174696U true JPH0174696U (en) | 1989-05-19 |
Family
ID=31459460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169420U Pending JPH0174696U (en) | 1987-11-05 | 1987-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8300875B2 (en) | 2007-02-21 | 2012-10-30 | Sony Corporation | Speaker diaphragm and speaker including the same |
-
1987
- 1987-11-05 JP JP1987169420U patent/JPH0174696U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8300875B2 (en) | 2007-02-21 | 2012-10-30 | Sony Corporation | Speaker diaphragm and speaker including the same |