发明名称 Digital chess clock
摘要 A game timing apparatus and method for simultaneously timing events for two players is disclosed. The method involves presetting a pair of clocks for respective initial time periods, starting one of the clocks to time a first player's move, simultaneously stopping one clock and starting the other, and incrementing or decrementing each of the clocks by a time interval once for each move or a group of moves. The apparatus includes a pair of clock means, a pair of start switches for starting and stopping the clock means, and a compensation means for incrementing or decrementing each clock means by a time interval.
申请公布号 US4884255(A) 申请公布日期 1989.11.28
申请号 US19880228610 申请日期 1988.08.05
申请人 发明人
分类号 G04F1/00;G07C1/28 主分类号 G04F1/00
代理机构 代理人
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