| 发明名称 |
HEADPHONE DEVICE |
| 摘要 |
PURPOSE:In a headphone whereby an image can be located outside the head in such a manner as in hearing through a speaker while hearing a program source of records by a headphone, the image outside the head shall be located more accurately. |
| 申请公布号 |
JPS5227626(A) |
申请公布日期 |
1977.03.02 |
| 申请号 |
JP19750104378 |
申请日期 |
1975.08.27 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
GOTOU TOSHIYUKI;KIMURA YOUICHI;YAMADA AKITOSHI;KIKUCHI YOSHINOBU |
| 分类号 |
H04R1/10;H04R3/00;H04S1/00 |
主分类号 |
H04R1/10 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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