发明名称 Electronic timepiece having an alarm system
摘要 In an electronic timepiece having an analog type of time display by means of hours and minutes hands, an alarm system is provided which functions electronically and independently of the analog display system. An alarm signal is generated when the time duration counted by an alarm timekeeping circuit coincides with an alarm time stored in an alarm time memory circuit, said alarm time being set by the timepiece user actuating a switch.
申请公布号 US4293939(A) 申请公布日期 1981.10.06
申请号 US19780921956 申请日期 1978.07.05
申请人 CITIZEN WATCH COMPANY LIMITED 发明人 NISHIKUBO, YASUHIKO;SEKINE, MITSUO
分类号 G04G13/02;(IPC1-7):G04B23/02;G04C21/16 主分类号 G04G13/02
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