JPS646637Y2 - - Google Patents
Info
- Publication number
- JPS646637Y2 JPS646637Y2 JP1983097295U JP9729583U JPS646637Y2 JP S646637 Y2 JPS646637 Y2 JP S646637Y2 JP 1983097295 U JP1983097295 U JP 1983097295U JP 9729583 U JP9729583 U JP 9729583U JP S646637 Y2 JPS646637 Y2 JP S646637Y2
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- speaker unit
- headphone
- housing
- shielding plate
- 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
- 210000000613 ear canal Anatomy 0.000 claims description 22
- 230000001012 protector Effects 0.000 claims description 8
- 238000002834 transmittance Methods 0.000 claims description 2
- 241000746998 Tragus Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000003454 tympanic membrane Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9729583U JPS606392U (ja) | 1983-06-23 | 1983-06-23 | ヘツドホン |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9729583U JPS606392U (ja) | 1983-06-23 | 1983-06-23 | ヘツドホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS606392U JPS606392U (ja) | 1985-01-17 |
| JPS646637Y2 true JPS646637Y2 (US06811534-20041102-M00003.png) | 1989-02-21 |
Family
ID=30231498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9729583U Granted JPS606392U (ja) | 1983-06-23 | 1983-06-23 | ヘツドホン |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS606392U (US06811534-20041102-M00003.png) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59127388U (ja) * | 1983-02-17 | 1984-08-27 | ヤシマ電気株式会社 | イヤホン |
-
1983
- 1983-06-23 JP JP9729583U patent/JPS606392U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS606392U (ja) | 1985-01-17 |
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