再颁专利
- 专利标题： Electronic timepiece
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申请号： US939941申请日： 1978-09-06
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公开(公告)号： USRE31402E公开(公告)日： 1983-10-04
- 发明人: Yukio Hashimoto , Shigeru Morokawa
- 申请人： Yukio Hashimoto , Shigeru Morokawa
- 申请人地址： JPX Tokyo
- 专利权人： Citizen Watch Co., Ltd.
- 当前专利权人： Citizen Watch Co., Ltd.
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX48/119605 19731024; JPX48/121994 19731030; JPX48/128549 19731115; JPX48/132379 19731126
- 主分类号： G04F5/06
- IPC分类号： G04F5/06 ; H03L1/02
摘要：
An electronic timepiece which includes a time .[.reference.]. .Iadd.base .Iaddend.signal generator, which generates a signal which is used to count time, and is compensated in its frequency in order to have the predetermined frequency value regardless of variations in ambient temperature.
公开/授权文献
- US4777704A Button with grommet 公开/授权日：1988-10-18