JPS61195188U - - Google Patents
Info
- Publication number
- JPS61195188U JPS61195188U JP7219685U JP7219685U JPS61195188U JP S61195188 U JPS61195188 U JP S61195188U JP 7219685 U JP7219685 U JP 7219685U JP 7219685 U JP7219685 U JP 7219685U JP S61195188 U JPS61195188 U JP S61195188U
- Authority
- JP
- Japan
- Prior art keywords
- air chamber
- opening
- closing
- duct hole
- internal volume
- 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
Landscapes
- Headphones And Earphones (AREA)
Description
第１図乃至第４図は本考案に係るヘツドホン構
造の実施例を示し、第１図は全体の平面図、第２
図及び第３図は要部の断面図、第４図は他の実施
例を示す断面図、第５図乃至第７図は従来のヘツ
ドホン構造を示す断面図である。
１：ヘツドホン全体、４：気室部、５：振動板
、６：気室容積可変手段、１３：ダクト孔開閉手
段、１３ａ：ダクト孔。
1 to 4 show embodiments of the headphone structure according to the present invention, FIG. 1 is an overall plan view, and FIG.
3 and 3 are sectional views of essential parts, FIG. 4 is a sectional view showing another embodiment, and FIGS. 5 to 7 are sectional views showing a conventional headphone structure. 1: Whole headphone, 4: Air chamber portion, 5: Vibration plate, 6: Air chamber volume variable means, 13: Duct hole opening/closing means, 13a: Duct hole.
Claims (1)
するための気室容積可変手段と、上記気室部に設
けられたダクト孔を開閉するためのダクト孔開閉
手段とを備え、上記気室部の内容積の可変又はダ
クト孔の開閉により音響的特性が可変自在となる
ように構成されていることを特徴とするヘツドホ
ン構造。 The air chamber includes an air chamber volume varying means for varying the internal volume of the air chamber formed on the back surface of the diaphragm, and a duct hole opening/closing means for opening and closing a duct hole provided in the air chamber. 1. A headphone structure characterized in that the acoustic characteristics are made variable by changing the internal volume of a chamber or by opening and closing a duct hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219685U JPS61195188U (en) | 1985-05-17 | 1985-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7219685U JPS61195188U (en) | 1985-05-17 | 1985-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61195188U true JPS61195188U (en) | 1986-12-05 |
Family
ID=30610386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7219685U Pending JPS61195188U (en) | 1985-05-17 | 1985-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195188U (en) |
-
1985
- 1985-05-17 JP JP7219685U patent/JPS61195188U/ja active Pending
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