JPS6117662Y2 - - Google Patents
Info
- Publication number
- JPS6117662Y2 JPS6117662Y2 JP721081U JP721081U JPS6117662Y2 JP S6117662 Y2 JPS6117662 Y2 JP S6117662Y2 JP 721081 U JP721081 U JP 721081U JP 721081 U JP721081 U JP 721081U JP S6117662 Y2 JPS6117662 Y2 JP S6117662Y2
- Authority
- JP
- Japan
- Prior art keywords
- membrane
- air chamber
- damping
- frame
- headphone
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 claims description 36
- 238000013016 damping Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920006284 nylon film Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Headphones And Earphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP721081U JPS6117662Y2 (ko) | 1981-01-20 | 1981-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP721081U JPS6117662Y2 (ko) | 1981-01-20 | 1981-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57119978U JPS57119978U (ko) | 1982-07-26 |
| JPS6117662Y2 true JPS6117662Y2 (ko) | 1986-05-29 |
Family
ID=29805465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP721081U Expired JPS6117662Y2 (ko) | 1981-01-20 | 1981-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117662Y2 (ko) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6178696B2 (ja) * | 2013-10-28 | 2017-08-09 | 株式会社オーディオテクニカ | ダイナミックヘッドホン |
-
1981
- 1981-01-20 JP JP721081U patent/JPS6117662Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57119978U (ko) | 1982-07-26 |
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