JPH0429298U - - Google Patents
Info
- Publication number
- JPH0429298U JPH0429298U JP7137590U JP7137590U JPH0429298U JP H0429298 U JPH0429298 U JP H0429298U JP 7137590 U JP7137590 U JP 7137590U JP 7137590 U JP7137590 U JP 7137590U JP H0429298 U JPH0429298 U JP H0429298U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- speaker
- porous polytetrafluoroethylene
- expanded porous
- damper
- 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
- 239000000463 material Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
Landscapes
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図ａは本考案の一実施例に用いられる振動
板の部分断面図、ｂ図は同上の振動板を備えたス
ピーカの概略断面図、第２図ないし第４図はそれ
ぞれ本考案の第２ないし第４実施例を示す。
１……振動板、１ａ……振動板基材、１ｂ……
延伸多孔質ポリテトラフロロエチレン、２……キ
ヤツプ、３……エツジ、４……ダンパー、５……
フレーム。
FIG. 1a is a partial sectional view of a diaphragm used in an embodiment of the present invention, FIG. 1b is a schematic sectional view of a speaker equipped with the same diaphragm, and FIGS. Embodiments 2 to 4 will be shown. 1... diaphragm, 1a... diaphragm base material, 1b...
Stretched porous polytetrafluoroethylene, 2... Cap, 3... Edge, 4... Damper, 5...
flame.
Claims (1)
孔質ポリテトラフロロエチレン１ｂを設けた振動
板１を備えてなることを特徴としたスピーカ。 (2) 振動板１のエツジ３、振動板１の中央部に
設けられるキヤツプ２または、振動板１を支持す
るダンパー４に延伸多孔質ポリテトラフロロエチ
レン１ｂを設けた請求項(1)記載のスピーカ。[Claims for Utility Model Registration] (1) A speaker comprising a diaphragm 1 in which a diaphragm base material 1a made of pulp material is provided with expanded porous polytetrafluoroethylene 1b. (2) The device according to claim (1), wherein the edge 3 of the diaphragm 1, the cap 2 provided at the center of the diaphragm 1, or the damper 4 supporting the diaphragm 1 is provided with expanded porous polytetrafluoroethylene 1b. speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7137590U JPH0429298U (en) | 1990-07-04 | 1990-07-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7137590U JPH0429298U (en) | 1990-07-04 | 1990-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429298U true JPH0429298U (en) | 1992-03-09 |
Family
ID=31608348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7137590U Pending JPH0429298U (en) | 1990-07-04 | 1990-07-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429298U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7756278B1 (en) * | 2023-12-27 | 2025-10-17 | フォスター電機株式会社 | Body of electroacoustic transducer diaphragm, and electroacoustic transducer diaphragm |
-
1990
- 1990-07-04 JP JP7137590U patent/JPH0429298U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7756278B1 (en) * | 2023-12-27 | 2025-10-17 | フォスター電機株式会社 | Body of electroacoustic transducer diaphragm, and electroacoustic transducer diaphragm |