发明名称 ANALOG WORLD WATCH
摘要 A world watch has an hour hand and a minute hand for usual time indication, a plurality of symbols disposed on a dial to represent areas having respective time differences, an area including hand for specifying one of the areas by indicating one of the symbols, a local time indicating hand for indicating the local time of the specified area at least in hours, and a date indicating hand for indicating a date of the specified area. The world watch comprises counters for counting the numbers of driving signals used for driving the area indicating hand and local time indicating hand, respectively; and a drive controlling circuit for generating, when the count of at least one of the counters reaches a predetermined value, a driving signal for driving the date indicating hand in a normal or reverse turning direction based on a judgment whether the predetermined value has been described by an increase in the count or by a decrease in the count. With this arrangement, the standard time and date of an optical area are correctly and easily displayed.
申请公布号 US5237544(A) 申请公布日期 1993.08.17
申请号 US19900548369 申请日期 1990.07.05
申请人 CITIZEN WATCH CO., LTD. 发明人 SASE, MASAHIRO;IGARASHI, KIYOTAKA;OSA, TAKASHI;SUZUKI, NORITOSHI
分类号 G04G9/00 主分类号 G04G9/00
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