发明名称 ELECTRONIC WATCH
摘要 PURPOSE:To make possible selected display of standard time and local time even during correction of time by providing a standard signal generating circuit in which a crystal vibrator is used as a vibration source and providing selection circuits which make selected display of the contents of a local time counting circuit and an area time counting circuit, in a world timer.
申请公布号 JPS5371868(A) 申请公布日期 1978.06.26
申请号 JP19760147343 申请日期 1976.12.08
申请人 SEIKO INSTR & ELECTRONICS 发明人 ISHIKAWA TAKEHIRO
分类号 G04G9/00;G04G99/00 主分类号 G04G9/00
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