发明授权
- 专利标题： Electronic timepiece
- 专利标题（中）： 电子钟表
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申请号： US10350申请日： 1979-02-08
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公开(公告)号： US4257114A公开(公告)日： 1981-03-17
- 发明人: Fukuo Sekiya , Yuzo Maekawa
- 申请人： Fukuo Sekiya , Yuzo Maekawa
- 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： JPX53/125603 19780216; JPX53/16897 19781012
- 主分类号： G04C3/00
- IPC分类号： G04C3/00 ; G04G5/00 ; G04G5/04
摘要：
An electronic timepiece having a rotatable operating member such as a crown, with switch and pulse generation means coupled to the operating member whereby a number of pulses can be produced each time the operating member is rotated, these pulses being used to modify time information displayed by the timepiece.
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