| 发明名称 |
HEADDPHONE DEVICE OF FOUR CHANNEL TYPE |
| 摘要 |
PURPOSE:To normalize the acoustic image of four channel with a two channel head-phone by electrically forming the time difference of acoustic waves to reach both ears. |
| 申请公布号 |
JPS5296003(A) |
申请公布日期 |
1977.08.12 |
| 申请号 |
JP19760012527 |
申请日期 |
1976.02.06 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
KIKUCHI YOSHINOBU;YAMADA AKITOSHI |
| 分类号 |
H04S1/00;H04R5/033;H04S3/02 |
主分类号 |
H04S1/00 |
| 代理机构 |
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代理人 |
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