发明名称 Multimode digital timepiece
摘要 The dial of a timepiece is provided with a first circular array of twelve blue LEDs indicating hours, a second next-outermost array of sixty red LEDs indicating minutes, and a third next-outermost array of sixty green LEDs indicating seconds. Every fifth red "minute" LED is distinct from the intermediate "minute" LEDs in that it is either spaced farther apart from the adjacent LEDs or is larger than the adjacent LEDs, or both. A switch is provided in the timing circuit of the timepiece to select between a "normal" mode of operation wherein the sixty "minute" LEDs are energized in sequence, at the passage of each minute and a "teaching" mode of operation wherein only every fifth "minute" LED is energized, in sequence, at the passage of each five minute interval. The timepiece may be a watch, a clock or the like.
申请公布号 US4920524(A) 申请公布日期 1990.04.24
申请号 US19880234537 申请日期 1988.08.22
申请人 KOTOB, MOHAMMED N. 发明人 KOTOB, MOHAMMED N.
分类号 G04G9/04 主分类号 G04G9/04
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