| 发明名称 |
KEY BOARD CIRCUIT |
| 摘要 |
PURPOSE:To commonly use a key switch so as to reduce the trouble by accomplishing the opening and closing operations of a sustain gate and generating a key voltage with the use of a key switch. |
| 申请公布号 |
JPS53131023(A) |
申请公布日期 |
1978.11.15 |
| 申请号 |
JP19770046289 |
申请日期 |
1977.04.20 |
| 申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
KAWAMOTO KINJI |
| 分类号 |
G10H1/057;G01H1/00;G10H1/18 |
主分类号 |
G10H1/057 |
| 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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