Digital chess clock

Details Digital chess clock Digital chess clock

1988-08-05

1989-11-28

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

With alternately operating indicators

G04F 300

Patent

active

048842559

ABSTRACT:
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.

REFERENCES:
patent: 4062180 (1977-12-01), Meshi et al.
patent: 4079583 (1978-03-01), Larsen
patent: 4472067 (1984-09-01), Richardson et al.
Chess Life, Jun. 1985, p. 39, Advertisement for "Kaisha 1000".
Official Rules of Chess, 2nd. ed., 1977, David McKay Company, Inc., 1977, effective 1/1/78.

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