Divided table gaming machine
First Claim
1. A gaming machine comprising:
- display means arranged to display at least one indicium selected from a set of plurality of possible indicia;
random selection means for selecting the indicium to be displayed on said display means from the set of indicia, said random selection means including random number generation means for generating a random number from a set of numbers each member of which uniquely corresponds to one indicium of the set of possible indicia, wherein the set of numbers are divided between a plurality of subset tables, at least one of the subset tables containing a plurality of members; and
selection means for selecting, between the subset tables, a subset table to be used for selecting the indicium to be displayed, whereby the random number generation means makes a selection from the selected table and said display means is responsive to the selected number to display the corresponding indicium.
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Accused Products
Abstract
The present invention relates in particular to an improved gaming machine wherein the probability of winning combinations occurring may be altered with regard to conventional machines without changing the number of actual symbols or indicia available. This is carried out by assigning to each indicia on a reel or disc a particular random number from a plurality of available random numbers. The plurality of available numbers, one for each indicia, are divided into a plurality of subset tables. Prior to selecting a random number for choosing a particular indica, a selection of a subset table is made, preferably in a weighted manner, and the random number is then chosen from the particular subset table. By including the jackpot symbols in one particular subset table, for example, and weighting this selection of tables so that this subset table is chosen only infrequently, the amount of the jackpot available can be increased because the odds of obtaining the jackpot have been decreased without increasing the number of symbols on the reel or disc.
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Citations
29 Claims
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1. A gaming machine comprising:
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display means arranged to display at least one indicium selected from a set of plurality of possible indicia; random selection means for selecting the indicium to be displayed on said display means from the set of indicia, said random selection means including random number generation means for generating a random number from a set of numbers each member of which uniquely corresponds to one indicium of the set of possible indicia, wherein the set of numbers are divided between a plurality of subset tables, at least one of the subset tables containing a plurality of members; and selection means for selecting, between the subset tables, a subset table to be used for selecting the indicium to be displayed, whereby the random number generation means makes a selection from the selected table and said display means is responsive to the selected number to display the corresponding indicium. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of operating a gaming machine, having display means arranged to display at least one indicium selected from a set of a plurality of possible indicia, the machine being provided with a plurality of numbers representing indicia displayable by the display means, each displayable indicium being represented by a uniquely corresponding respective number, the plurality of numbers being divided into a plurality of subset tables, at least one of the subset tables having a plurality of members, the method of operation comprising the steps of:
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selecting each indicium for display by randomly selecting one of the subset tables; randomly selecting one number from a selected subset table; and displaying the indicium corresponding to the selected number. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A gaming machine comprising:
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control means for controlling operation of the machine; display means including a plurality of display positions, for displaying combinations of indicia; and reward means for returning a reward to a player of the machine in response to certain predetermined indicia combinations being displayed on said display means at the end of the game, said display means including a plurality of reels mounting the indicia, random selection means for selecting the indicium to be displayed by at least one of the reels from a set of a plurality of possible indicia for the at least one reel, the random selection means including random number generation means for generating a random number from a set of numbers each member of which uniquely corresponds to one indicium of the set of possible indicia, wherein the set of numbers are divided between a plurality of subset tables, at least one of the subset tables containing a plurality of members, and selection means arranged for selecting between the subset tables, a subset table to be used for selecting the indicium to be displayed whereby a random generation means makes a selection from the selected table and the reel is responsive to the selective number to display the correspondingly indicium.
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Specification