Jackpot awards on a gaming machine
First Claim
1. A gaming system for playing a game in which a plurality of symbol images are selected from one or more symbol sets of symbol images to form one or more combinations of symbol images and if the combinations of symbol images include a winning combination of symbol images, the gaming system awards an award, the gaming system awarding a jackpot dependent on an occurrence of a jackpot winning event that includes an occurrence of one or more jackpot symbol images, the gaming system including:
- a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image;
a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager;
a game controller configured a) to receive a player selection of a wager at said wager selector, b) to vary, if all other variables of the game remain constant, at least one aspect of the wager disproportionately to the probability of the jackpot being awarded, and c) to vary the number of said images of at least one of the symbol sets from which the at least one jackpot symbol image is selected between game plays, dependent on said at least one aspect of the wager, so as to maintain at least a constant probability of the jackpot being won despite variations in said at least one aspect of the wager.
6 Assignments
0 Petitions
Accused Products
Abstract
A method for use with a gaming system that provides a game in which a plurality of symbols are selected and presented on a display to form one or more combinations includes: providing a base game, providing a feature game on the occurrence of a first event during play of the base game, awarding a jackpot on the occurrence of a second event during play of the feature game, and varying the probability of both the first and the second events dependent on at least an aspect of a wager placed by a player to play the base game, wherein said variation maintains at least an approximately constant probability of the jackpot being won despite variations in said aspect of the wager.
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Citations
20 Claims
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1. A gaming system for playing a game in which a plurality of symbol images are selected from one or more symbol sets of symbol images to form one or more combinations of symbol images and if the combinations of symbol images include a winning combination of symbol images, the gaming system awards an award, the gaming system awarding a jackpot dependent on an occurrence of a jackpot winning event that includes an occurrence of one or more jackpot symbol images, the gaming system including:
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a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image; a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager; a game controller configured a) to receive a player selection of a wager at said wager selector, b) to vary, if all other variables of the game remain constant, at least one aspect of the wager disproportionately to the probability of the jackpot being awarded, and c) to vary the number of said images of at least one of the symbol sets from which the at least one jackpot symbol image is selected between game plays, dependent on said at least one aspect of the wager, so as to maintain at least a constant probability of the jackpot being won despite variations in said at least one aspect of the wager. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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2. A gaming system for playing a game in which a plurality of symbol images are selected from a plurality of symbol sets of symbol images to form one or more combinations of symbol images and if one or more of said combinations of symbol images on which the player has staked a wager include a winning combination of symbol images, the gaming system awards an award, the gaming system awarding a jackpot dependent on an occurrence of a jackpot winning event that includes an occurrence of one or more jackpot symbol images, the gaming system including:
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a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image; a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager; a game controller configured a) to receive a player selection of at least one of a first wager aspect and a second wager aspect at said wager selector, the first wager aspect being the number of said combinations of symbol images on which to stake a wager and the second wager aspect being the amount to stake on the selected combinations of symbol images, and b) to vary the number of said images of at least one of the symbol sets from which the at least one jackpot symbol image is selected between game plays, dependent on at least one of the first and second wager aspects, so as to maintain at least a constant chance of the jackpot being won despite variations in the first and/or second wager aspects.
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14. A method for use with a gaming system that provides a game in which a plurality of symbol images are selected to form one or more combinations of symbol images and if one or more of said combinations of symbol images on which the player has staked a wager include a winning combination, the gaming system awards an award, the gaming system includes a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image, a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager, and a game controller, the method including:
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displaying on said display via the game controller a plurality of said symbol images; awarding via the game controller a jackpot dependent on an occurrence of a jackpot winning combination on said display that includes one or more jackpot symbol images during play of the game; receiving at said wager selector a selection of at least one of a first wager aspect and a second wager aspect, the first wager aspect being the number of said combinations of symbol images on which to stake a wager and the second wager aspect being the amount to stake on the selected combinations of symbol images; and dependent on the received selection at said wager selector, varying via the game controller the number of symbol images in at least one of the symbol sets from which the jackpot symbol images are selected, including maintaining via the game controller at least a constant chance of the jackpot being won despite variations in the first and/or second wager aspects. - View Dependent Claims (15)
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16. A gaming system for playing a game in which a plurality of symbol images are selected from one or more symbol sets of symbol images to form one or more combinations of symbol images and if the combinations of symbol images include a winning combination of symbol images, the gaming system awards an award, the gaming system awarding a jackpot dependent on an occurrence of a jackpot winning event that includes a first event in a base game of the game and a second event in a feature game of the game, both the first and the second events occurring with a probability in their respective base and feature games between zero and one, the gaming system including:
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a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image; a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager; a game controller configured a) to receive a player selection of a wager at said wager selector, b) to vary, if all other variables of the game remain constant, at least one aspect of the wager disproportionately to the probability of the jackpot being awarded, and c) to vary the probability of both the first event and the second event, dependent on said aspect of the wager, so as to maintain at least a constant probability of the jackpot being won despite variations in said at least one aspect of the wager. - View Dependent Claims (17, 18)
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19. A method for use with a gaming system for playing a game in which a plurality of symbol images are selected to form one or more combinations of symbol images, the gaming system includes a non-transitory memory configured to store a plurality of symbol sets, each of said symbols sets having a plurality of images of a plurality of symbols, and at least one of said symbol sets having at least one jackpot symbol image, a user interface including a) a display configured to display images of said symbols from at least one of said symbol sets, and b) a wager selector configured to receive a selection of a wager, and a game controller, the method including:
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providing a base game including displaying on said display via the game controller a plurality of said symbol images; providing a feature game including displaying on said display via the game controller a second plurality of said symbol images on an occurrence of a first event with respect to displayed images of said symbols on said display during play of the base game; awarding via the game controller a jackpot on an occurrence of a second event with respect to displayed images of said symbols on said display during play of the feature game; and varying via the game controller the probability of both the first and the second events dependent on at least an aspect of a wager placed to play the base game, including maintaining via the game controller said variation at least a constant probability of the jackpot being won despite variations in said aspect of the wager. - View Dependent Claims (20)
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Specification