Amusement devices: games – Board games – pieces – or boards therefor – Electrical
Patent
1991-01-03
1992-07-14
Coven, Edward M.
Amusement devices: games
Board games, pieces, or boards therefor
Electrical
273237, 273239, 273260, 434128, A63F 302, G06F 303, G06F 1544
Patent
active
051296543
ABSTRACT:
An electronic game apparatus which includes a playing board having a playing surface and playing areas and is capable of identifying game pieces and their position on the playing surface. First and second sets of parallel transmission lines are located beneath the playing surface of the playing board. The second set of parallel transmission lines is orthogonal to the first set of transmission lines. The first and second sets of transmission lines form intersecting points which are positioned proximate to a playing area of the playing surface. A source of electromagnetic energy has a plurality of predetermined different frequencies within a predetermined frequency range. A plurality of game pieces, each containing a resonant circuit having a predetermined resonant frequency, correspond to a frequency within a predetermined frequency range. A selector sequentially supplies electromagnetic energy at a selected frequency within the predetermined frequency range to the first set of transmission lines. A detector connected to the second set of transmission lines determines the presence of a game piece by detecting electromagnetic energy at a frequency within the predetermined frequency range on one of the transmission lines.
REFERENCES:
patent: 3760404 (1973-09-01), Khlebutin
patent: 4492581 (1985-01-01), Arai et al.
patent: 5013047 (1991-05-01), Schwab
Brehn Corporation
Coven Edward M.
Harris Jessica J.
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