JPS5246732Y2 - - Google Patents
Info
- Publication number
- JPS5246732Y2 JPS5246732Y2 JP7421674U JP7421674U JPS5246732Y2 JP S5246732 Y2 JPS5246732 Y2 JP S5246732Y2 JP 7421674 U JP7421674 U JP 7421674U JP 7421674 U JP7421674 U JP 7421674U JP S5246732 Y2 JPS5246732 Y2 JP S5246732Y2
- Authority
- JP
- Japan
- 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
Landscapes
- Headphones And Earphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7421674U JPS5246732Y2 (zh) | 1974-06-26 | 1974-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7421674U JPS5246732Y2 (zh) | 1974-06-26 | 1974-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS514328U JPS514328U (zh) | 1976-01-13 |
| JPS5246732Y2 true JPS5246732Y2 (zh) | 1977-10-24 |
Family
ID=28246276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7421674U Expired JPS5246732Y2 (zh) | 1974-06-26 | 1974-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5246732Y2 (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5388719A (en) * | 1977-01-14 | 1978-08-04 | Matsushita Electric Ind Co Ltd | Head phone |
| DE102005052548A1 (de) * | 2005-11-02 | 2007-05-03 | Sennheiser Electronic Gmbh & Co. Kg | Wandlersystem für eine aktive Lärmkompensationsvorrichtung |
| EP3560216A1 (en) | 2016-12-21 | 2019-10-30 | Sony Corporation | Headphone device |
-
1974
- 1974-06-26 JP JP7421674U patent/JPS5246732Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS514328U (zh) | 1976-01-13 |