JPS5421243B2 - - Google Patents
Info
- Publication number
- JPS5421243B2 JPS5421243B2 JP7218675A JP7218675A JPS5421243B2 JP S5421243 B2 JPS5421243 B2 JP S5421243B2 JP 7218675 A JP7218675 A JP 7218675A JP 7218675 A JP7218675 A JP 7218675A JP S5421243 B2 JPS5421243 B2 JP S5421243B2
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Stereophonic System (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50072186A JPS51148404A (en) | 1975-06-13 | 1975-06-13 | Head-phone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50072186A JPS51148404A (en) | 1975-06-13 | 1975-06-13 | Head-phone device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51148404A JPS51148404A (en) | 1976-12-20 |
| JPS5421243B2 true JPS5421243B2 (en, 2012) | 1979-07-28 |
Family
ID=13481919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50072186A Granted JPS51148404A (en) | 1975-06-13 | 1975-06-13 | Head-phone device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS51148404A (en, 2012) |
-
1975
- 1975-06-13 JP JP50072186A patent/JPS51148404A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51148404A (en) | 1976-12-20 |