Amusement devices: games – Chance devices – Electric or magnetic
Patent
1990-02-16
1992-04-28
Coven, Edward M.
Amusement devices: games
Chance devices
Electric or magnetic
273143R, A63F 504
Patent
active
051080990
ABSTRACT:
A slot machine is provided in which the symbols or indicia to be displayed are selected by using a random number generating technique to generate a random number for each display position, the random number being selected from a range of numbers corresponding to the number of display possibilities for that position. A two step random number selection technique is used wherein the first step comprises selecting a random number from the range of numbers corresponding to the number of display possibilities for that display position, and the second step, which is only invoked in the event that a predetermined one of the range of numbers is selected in the first selection, comprises discarding the number first selected and making a further selection from the range of numbers. Accordingly, the probability of occurrence for at least one of the possible results for the display position is significantly less than that for the remainder of the possible results.
REFERENCES:
patent: 4448419 (1984-05-01), Telnaes
patent: 4527798 (1985-07-01), Siekierski et al.
patent: 4573681 (1986-03-01), Okada
patent: 4657256 (1987-04-01), Okada
patent: 4679143 (1987-07-01), Hagiwara
patent: 4858932 (1989-08-01), Keane
Ainsworth Nominees Pty Limited
Coven Edward M.
Harrison Jessica J.
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