Circuit for use in electronic game of nim

Details Circuit for use in electronic game of nim Circuit for use in electronic game of nim

1977-08-26

1978-11-07

Hum, Vance Y.

Amusement devices: games

Board games, pieces, or boards therefor

Electrical

315208, A63F 300

Patent

active

041242114

ABSTRACT:
An AND gate has a first input biased ON and a second input normally biased OFF. A switch selectively biases the second input ON. The output of the AND gate is fed back to the second input to bias the second input ON when the output is ON. A transistor connected in a common collector configuration has its base electrode connected to the output of the gate. A light-emitting diode is connected in the emitter circuit of the transistor.

REFERENCES:
patent: 2215544 (1940-09-01), Condon et al.
patent: 3240989 (1966-03-01), Grunwaldt
patent: 3500370 (1970-03-01), Rasiel et al.
patent: 3584257 (1971-06-01), Adams
patent: 3643247 (1972-02-01), Ratcliffe
patent: 3709499 (1973-01-01), Lukens
patent: 3895807 (1975-07-01), Friedman
Electronics; "Digital Computer Plays Nim", Nov. 1952; pp. 155-157.
Popular Electronics; "Win at Nim With Debicon", Jan. 1958; pp. 37-41.

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