发明名称 Electronic timepiece
摘要 An electronic timepiece, to display always accurate current local time by city without any change-over to and from the summer time. In an electronic timepiece, to adjust time automatically at change-over to and from the summer time, comprising a city's summer time date memory means 111 for memorizing the starting, the ending and etc. date value by city, a summer time period comparing means 107 for judging if in the summer time through comparing the time calculated by city's current time calculating means 106 with the summer time value memorized in the city's summer time date memory means 111, a time adjusting means 108 for adjusting time when judged by the summer time period comparing means 107 that it is in the summer time, and a displaying means 109 for displaying time.
申请公布号 US5499220(A) 申请公布日期 1996.03.12
申请号 US19940325810 申请日期 1994.10.19
申请人 SEIKO INSTRUMENTS INC. 发明人 OGASAWARA, KENJI
分类号 G04G9/00;G04G99/00;(IPC1-7):G04B19/22 主分类号 G04G9/00
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