Amusement devices: games – Chance devices – Lot mixers and dispensers
Patent
1987-03-23
1989-04-25
Shapiro, Paul E.
Amusement devices: games
Chance devices
Lot mixers and dispensers
A63F 502
Patent
active
048241130
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a chance game machine with winning opportunity, with at least one (drawing) chamber, which is equipped with a drawing device receiving playing elements after a mixing process, and from which one of a plurality of playing elements is to be drawn during one drawing.
Just as games of chance exist in great diversity, s also there exist the most diverse types of chance game machines which, depending on the winning opportunities and the organization of the course of play, are interesting in various ways for a player.
The criterion of all games of chance is that chance determines the outcome of the play. A problem for all chance game machines is therefore to ensure randomness of the win-determining events. The mastery of this problem must be effected according to increasingly stricter criteria the higher the payout ratio of a chance game machine is, since even a systematic deviation of as little as only a few percent from the statistical mean can lead to unprofitability and thus to uselessness of such a machine.
It is also common to all gambling establishments that many players enter them with a basic mistrust, which they feel in particular if they lose, in other words if an event favored by them, on which they have bet, does not occur. They then frequently suspect an illegal influence on the course of play to their disadvantage. In the case of a chance game (machine), this mistrust can be completely dispelled only if a player can become convinced that control of the drawing process (as generally acknowledged, this term is understood as the process in which the result of a game is determined), influencing the course of play, is not possible, in other words if, for example, a drawing occurs in a free play of forces in mechanical manner, as is the case, for example, in roulette.
In the present invention, therefore, special consideration is given to the two aforementioned viewpoints of "guarantee of randomness of the drawing results" and "trust of the player in the offered playing conditions".
The best known chance game machines are probably the socalled "one-armed bandits", in which a plurality of reels bearing symbols on their surfaces are each braked at a random point in time, whereupon the symbol combination of the symbols of several reels then appearing in a viewing window indicates the drawing result. At the present time, the random braking of the reels is controlled by electronic random-number generators, whereas complex electromechanical devices used to perform this function.
The typical feature of these chance game machines is that, with them, a very large number of playing results, drawing results is possible, of which, however, only a small number is winnable.
Usually these chance game machines have four reels, which are each provided on their surface with ca. twenty symbols, all of which are possible playing outcomes, so that in the case of four reels with twenty symbols each, 160,000 (=1/20.sup.4) combinations of reel positions are possible. In total, however, only around ten to twenty different symbols, which occur in different frequency, are used. Corresponding to the different frequency with which the individual symbols occur, the possible symbol combinations also produce playing outcomes in different frequency. A small selection, usually around twenty, of these possible symbol combinations is winnable, but by far the great majority is not, so that on average a win is possible only on every seventh play or so.
The stake of the player always applies to all winning combinations, and he cannot place it at his option on certain winning combinations, i.e., he cannot play purposefully, i.e., methodically, according to a system.
The formulation of the win plan is based on a complex computation, which the player cannot simulate, which is why the payout ratio for him is not calculable. The attraction for the player is that the win in one play can amount to several thousand times the stake.
In addition to these chance game machines equipped with reels, there is the group of those which
REFERENCES:
patent: 1376874 (1921-05-01), Hamel
patent: 4509755 (1985-04-01), Cheatham
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