| 发明名称 |
INTERNAL MICROPHONE DEVICE |
| 摘要 |
PURPOSE:To improve S/N and frequency characteristic, by using the microphone held in the cabinet causing to protrude outside of the cabinet face through the push switch. |
| 申请公布号 |
JPS5348722(A) |
申请公布日期 |
1978.05.02 |
| 申请号 |
JP19760124081 |
申请日期 |
1976.10.15 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
NAONO HIROYUKI;IBARAKI SATORU;MATSUMOTO MICHIO;ATOJI NOBUHISA |
| 分类号 |
G11B33/12;H04R1/02;H04R1/08 |
主分类号 |
G11B33/12 |
| 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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