发明名称 |
AUTOMATIC DATE FEED MECHANISM OF WATCHES |
摘要 |
PURPOSE:To eliminate the need for manual date correction by discriminating odd and even months with a cam, running a motor through direct or indirect closing of contact mechanism and rapidly feeding the month end of even months by one day. |
申请公布号 |
JPS5433068(A) |
申请公布日期 |
1979.03.10 |
申请号 |
JP19770098830 |
申请日期 |
1977.08.18 |
申请人 |
SEIKO INSTR & ELECTRONICS |
发明人 |
FUJIHIRA HAJIME |
分类号 |
G04C3/14;G04C3/00;G04C9/00;G04C17/00 |
主分类号 |
G04C3/14 |
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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