Electronic timepiece

Details Electronic timepiece Electronic timepiece

1994-10-19

1996-03-12

Miska, Vit W.

Horology: time measuring systems or devices

Plural time zones

G04B 1922

Patent

active

054992206

ABSTRACT:
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.

REFERENCES:
patent: 3653204 (1972-04-01), Miwa
patent: 4316272 (1982-02-01), Naito
patent: 4896307 (1990-01-01), Marx et al.
patent: 5237544 (1993-08-01), Sase et al.

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