JPS6251894U - - Google Patents
Info
- Publication number
- JPS6251894U JPS6251894U JP14149985U JP14149985U JPS6251894U JP S6251894 U JPS6251894 U JP S6251894U JP 14149985 U JP14149985 U JP 14149985U JP 14149985 U JP14149985 U JP 14149985U JP S6251894 U JPS6251894 U JP S6251894U
- Authority
- JP
- Japan
- Prior art keywords
- duct hole
- air chamber
- duct
- opening
- hole
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Description
第１図乃至第４図は本考案に係るイヤーフオン
の実施例を示すものであつて、第１図は断面側面
図、第２図は要部の平面図、第３図は他の実施例
を示す断面側面図、第４図は斜視図である。第５
図は従来のイヤーフオンを示す断面側面図である
。
Ａ：イヤーフオン全体、３：気室部、４，７：
ダクト、７ａ：ダクト孔、８，９：ダクト孔開閉
手段。
1 to 4 show an embodiment of the earphone according to the present invention, in which FIG. 1 is a sectional side view, FIG. 2 is a plan view of the main part, and FIG. 3 is a diagram showing another embodiment. The sectional side view shown in FIG. 4 is a perspective view. Fifth
The figure is a cross-sectional side view showing a conventional earphone. A: Entire earphone, 3: Air chamber, 4, 7:
Duct, 7a: duct hole, 8, 9: duct hole opening/closing means.
Claims (1)
と連通する長孔からなるダクト孔と、ダクト孔の
開口面積を連続して可変するためのダクト孔開閉
手段とを備え、音響特性を連続して可変可能に構
成したことを特徴とするイヤーフオン。 Equipped with an air chamber formed on the back surface of the diaphragm, a duct hole consisting of a long hole communicating with the air chamber, and a duct hole opening/closing means for continuously varying the opening area of the duct hole, the acoustic characteristics are improved. An earphone characterized by being configured to be continuously variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14149985U JPS6251894U (en) | 1985-09-18 | 1985-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14149985U JPS6251894U (en) | 1985-09-18 | 1985-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6251894U true JPS6251894U (en) | 1987-03-31 |
Family
ID=31049338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14149985U Pending JPS6251894U (en) | 1985-09-18 | 1985-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6251894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014225752A (en) * | 2013-05-15 | 2014-12-04 | ホシデン株式会社 | Headphone |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545425B2 (en) * | 1973-11-07 | 1979-03-16 | ||
| JPS5977795A (en) * | 1982-10-26 | 1984-05-04 | Aiwa Co Ltd | Open air type headphones |
-
1985
- 1985-09-18 JP JP14149985U patent/JPS6251894U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545425B2 (en) * | 1973-11-07 | 1979-03-16 | ||
| JPS5977795A (en) * | 1982-10-26 | 1984-05-04 | Aiwa Co Ltd | Open air type headphones |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014225752A (en) * | 2013-05-15 | 2014-12-04 | ホシデン株式会社 | Headphone |