JPS3514405Y1 - - Google Patents
Info
- Publication number
- JPS3514405Y1 JPS3514405Y1 JP2801957U JP2801957U JPS3514405Y1 JP S3514405 Y1 JPS3514405 Y1 JP S3514405Y1 JP 2801957 U JP2801957 U JP 2801957U JP 2801957 U JP2801957 U JP 2801957U JP S3514405 Y1 JPS3514405 Y1 JP S3514405Y1
- 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 |
|---|---|---|---|
| JP2801957U JPS3514405Y1 (en:Method) | 1957-06-25 | 1957-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2801957U JPS3514405Y1 (en:Method) | 1957-06-25 | 1957-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS3514405Y1 true JPS3514405Y1 (en:Method) | 1960-06-29 |
Family
ID=41665248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2801957U Expired JPS3514405Y1 (en:Method) | 1957-06-25 | 1957-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS3514405Y1 (en:Method) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5160229U (en:Method) * | 1974-11-05 | 1976-05-12 | ||
| WO1982001636A1 (en) * | 1980-10-31 | 1982-05-13 | Watanabe Shingo | Electroacoustic converter |
-
1957
- 1957-06-25 JP JP2801957U patent/JPS3514405Y1/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5160229U (en:Method) * | 1974-11-05 | 1976-05-12 | ||
| WO1982001636A1 (en) * | 1980-10-31 | 1982-05-13 | Watanabe Shingo | Electroacoustic converter |
| EP0064553B1 (en) * | 1980-10-31 | 1986-07-23 | Sony Corporation | Electro-acoustic transducers |