发明名称 |
ELECTRONIC WATCH |
摘要 |
<p>PURPOSE:To provide a watch in which the hour-striking does not take place at unnecessary times by providing a switching means composed of a photosensitive element and controlling the hour-striking announcement function when the quantity of light is below a fixed quantity.</p> |
申请公布号 |
JPS53109673(A) |
申请公布日期 |
1978.09.25 |
申请号 |
JP19770023883 |
申请日期 |
1977.03.07 |
申请人 |
CITIZEN WATCH CO LTD;RHYTHM WATCH CO |
发明人 |
NOMURA YASUSHI;KOMATSU YUUZOU;MOROKAWA SHIGERU |
分类号 |
G04B21/10;G04C21/12;G04G13/00 |
主分类号 |
G04B21/10 |
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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