| 发明名称 |
DIGITAL DISPLAY TYPE ELECTRONIC WATCH |
| 摘要 |
PURPOSE:To improve the waterproofness of watch by correcting the time by converting the received and detected optical signal for time correction into an electric signal. |
| 申请公布号 |
JPS5412866(A) |
申请公布日期 |
1979.01.30 |
| 申请号 |
JP19770078326 |
申请日期 |
1977.06.30 |
| 申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
NAKAMURA JIYUNPEI |
| 分类号 |
G04G5/00 |
主分类号 |
G04G5/00 |
| 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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