JPS6251892U - - Google Patents
Info
- Publication number
- JPS6251892U JPS6251892U JP14149885U JP14149885U JPS6251892U JP S6251892 U JPS6251892 U JP S6251892U JP 14149885 U JP14149885 U JP 14149885U JP 14149885 U JP14149885 U JP 14149885U JP S6251892 U JPS6251892 U JP S6251892U
- Authority
- JP
- Japan
- Prior art keywords
- duct hole
- air chamber
- attached
- earphone
- duct
- 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
- 210000000883 ear external Anatomy 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Description
第1図及び第2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図は一部断面
した側面図、第2図は一部分を示す断面側面図で
ある。第3図及び第4図は従来のイヤーフオンを
示すものであつて、第3図は断面側面図、第4図
は一部を断面した側面図である。
A:イヤーフオン全体、12:パツド部、10
:ダクト、11:蓋体。
1 and 2 show an embodiment of an earphone according to the present invention, in which FIG. 1 is a partially sectional side view, and FIG. 2 is a partially sectional side view. 3 and 4 show a conventional earphone, in which FIG. 3 is a sectional side view and FIG. 4 is a partially sectional side view. A: Whole earphone, 12: Pad part, 10
: Duct, 11: Lid body.
Claims (1)
と連通する長孔から成るダクト孔と、ダクト孔の
開口面積を可変するためのダクト孔開閉手段とを
備え、音響特性を可変可能に構成したインナーイ
ヤーフオンにおいて、 外耳部との接触面を半径の小さい円周で形成し
た軟質性合成樹脂等からなるパツド部を、スピー
カユニツトを内装したスピーカの外周壁面に取り
付けたことを特徴とするイヤーフオン。[Scope of claim for utility model registration] 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 varying the opening area of the duct hole. In an inner earphone with variable acoustic characteristics, a pad made of soft synthetic resin or the like is formed with a circumference of a small radius and the contact surface with the outer ear is attached to the outer peripheral wall of the speaker housing the speaker unit. An earphone characterized by being attached to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14149885U JPS6251892U (en) | 1985-09-18 | 1985-09-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14149885U JPS6251892U (en) | 1985-09-18 | 1985-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6251892U true JPS6251892U (en) | 1987-03-31 |
Family
ID=31049336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14149885U Pending JPS6251892U (en) | 1985-09-18 | 1985-09-18 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6251892U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01117596A (en) * | 1987-10-30 | 1989-05-10 | Sony Corp | Electroacoustic transducer |
-
1985
- 1985-09-18 JP JP14149885U patent/JPS6251892U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01117596A (en) * | 1987-10-30 | 1989-05-10 | Sony Corp | Electroacoustic transducer |