Electrical chess game

Details Electrical chess game Electrical chess game

1975-10-29

1977-04-26

Pinkham, Richard C.

Amusement devices: games

Chance devices

Electric or magnetic

340323R, A63F 302

Patent

active

040197450

ABSTRACT:
A chess game apparatus utilizing a square matrix of sixty four optical display cells for displaying plural chessman states includes a keyboard having keys corresponding to ranks and files in the matrix for addressing and entering a digital memory which drives the cells. Each cell is in the form of an array of light emitting diodes which are selectively energized in response to the memory via a decoder and diode matrix for creating light patterns corresponding to each of the six chessman symbols. Thus, moves or changes of the chess positions indicated on the cell matrix are commanded via the keyboard. A memory for previous moves is also fed by the keyboard to provide for resetting the states of the cell matrix to a previous chess position.

REFERENCES:
patent: 3503296 (1970-03-01), Schmoyer et al.
patent: 3654392 (1972-04-01), Beinhocker
patent: 3843132 (1974-10-01), Ferguson
patent: 3888491 (1975-06-01), Bernard et al.
patent: 3895807 (1975-07-01), Friedman
patent: 3939579 (1976-02-01), Andrews et al.
Popular Science; "Games Computers Play;" vol. 197, No. 4; Oct. 1970; p. 44.

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