JPS647496U - - Google Patents
Info
- Publication number
- JPS647496U JPS647496U JP10192087U JP10192087U JPS647496U JP S647496 U JPS647496 U JP S647496U JP 10192087 U JP10192087 U JP 10192087U JP 10192087 U JP10192087 U JP 10192087U JP S647496 U JPS647496 U JP S647496U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- outer periphery
- expands toward
- inner periphery
- boundary part
- 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
- 238000013016 damping Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000003190 viscoelastic substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図は本考案実施例の断面図、第２図は従来
例振動板の断面図、第３図は本考案実施例の振動
板を有するスピーカ、並びに従来例スピーカの周
波数特性図である。
１は振動板の外周、２は内周、３は境界部、４
は制動材である。
FIG. 1 is a sectional view of an embodiment of the present invention, FIG. 2 is a sectional view of a conventional diaphragm, and FIG. 3 is a frequency characteristic diagram of a speaker having the diaphragm of the embodiment of the present invention and a conventional speaker. 1 is the outer periphery of the diaphragm, 2 is the inner periphery, 3 is the boundary, 4
is a damping material.
Claims (1)
成され、内周２から境界部３までは前方に向かつ
て拡がり且つ鏡界部３から外周１までは後方に向
かつて拡がつた形状の振動板本体部の、前記境界
部３に粘弾性体からなる制動材４が塗布若しくは
貼着されていることを特徴とするスピーカ用振動
板。 A boundary part 3 is formed between the outer periphery 1 and the inner periphery 2 of the diaphragm, and from the inner periphery 2 to the boundary part 3 it expands toward the front, and from the mirror area 3 to the outer periphery 1 it expands toward the rear. A diaphragm for a speaker, characterized in that a damping material 4 made of a viscoelastic material is applied or adhered to the boundary portion 3 of the ivy-shaped diaphragm main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10192087U JPS647496U (en) | 1987-07-01 | 1987-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10192087U JPS647496U (en) | 1987-07-01 | 1987-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647496U true JPS647496U (en) | 1989-01-17 |
Family
ID=31331351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10192087U Pending JPS647496U (en) | 1987-07-01 | 1987-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647496U (en) |
-
1987
- 1987-07-01 JP JP10192087U patent/JPS647496U/ja active Pending