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US 7,841,937 B2Granted
Slot machine
AssigneeAruze Gaming America, Inc.
InventorKazuo Okada
Life of this patent
Estimating the term…
Abstract
When a start condition of a payout variable game is fulfilled during a base game, depending on number of award-not-accompanied occurrence times of a specific symbol combination selected by a player at the beginning payout variable game to be executed a predetermined number of times at maximum, a number of credits to be paid out to an award-accompanied occurrence of the specific symbol combination during the payout variable game is varied depending on number of award-not-accompanied occurrence times of the specific symbol combination. Alternatively, a number of credits to be paid out at a termination of the payout variable game is varied depending on number of award-accompanied occurrence times of the specific symbol combination.
Claims13
A slot machine comprising:
- a display which has plural display regions and displays symbol combinations every game by repositioning symbols that have been positioned in the plural display regions;
- and
- a controller which is programmed to operate with the display
- (a) to execute a symbol combination selecting game in which a specific symbol combination is selected from plural symbol combinations by means of an external input;
- (b) to execute a predetermined number of times of unit game after execution of the operation (a);
- and
- (c) when a payout variable game is executed by making use of the predetermined number of times of unit game which is being executed in accordance with the operation (b),
- (1) to vary a number of credits to be paid out to an award-accompanied occurrence of the specific symbol combination depending on number of award-not-accompanied occurrence times of the specific symbol combination, or
- (2) to vary a number of credits to be paid out at a termination of the payout variable game depending on number of award-accompanied occurrence times of the specific symbol combination.
6 more elements
A slot machine comprising:
- a display which has plural display regions and displays symbol combinations every game by repositioning symbols that have been positioned in the plural display regions;
- and
- a controller which is programmed to operate with the display
- (a) to execute a symbol combination selecting game in which a specific symbol combination is selected from plural symbol combinations by means of an external input;
- (b) to execute a predetermined number of times of unit game after execution of the operation (a);
- and
- (c) when a payout variable game is executed by making use of the predetermined number of times of unit game which is being executed in accordance with the operation (b),
- (1) to increase a number of credits to be paid out to the award-accompanied occurrence of the specific combination in proportion to increase in the number of award-not-accompanied occurrence times of the specific symbol combination, or
- (2) to increase a number of credits to be paid out at the termination of the payout variable game in proportion to increase in the number of award-accompanied occurrence times of the specific symbol combination.
6 more elements
A slot machine comprising:
- a display which has plural display regions and displays symbol combinations every game by repositioning symbols that have been positioned in the plural display regions;
- and
- a controller which is programmed to operate with the display
- (a) to execute a symbol combination selecting game in which a specific symbol combination is selected from plural symbol combinations by means of an external input;
- (b) to execute a predetermined number of times of unit game after execution of the operation (a);
- (c) when a payout variable game is executed by making use of the predetermined number of times of unit game which is being executed in accordance with the operation (b),
- (1) to increase a number of credits to be paid out to the award-accompanied occurrence of the specific combination in proportion to increase in the number of award-not-accompanied occurrence times of the specific symbol combination, and
- (2) to terminate the payout variable game at time of the award-accompanied occurrence of the specific symbol combination, and
- (d) for executing the operation (c),
- (1) to provide various numerical valued possibility of award-accompanied occurrence for the plural symbol combinations and assign same numerical valued possibility of award-accompanied occurrence to two or more of symbol combinations among the plural symbol combinations, and
- (2) to reduce increasing rate with regard to a number of credits to be paid out to the award-accompanied occurrence of the plural symbol combination as an initial value is larger.
8 more elements
A slot machine comprising:
- a display which has plural display regions and displays symbol combinations every game by repositioning symbols that have been positioned in the plural display regions;
- and
- a controller which is programmed to operate with the display
- (a) to execute a symbol combination selecting game in which a specific symbol combination is selected from plural symbol combinations by means of an external input;
- (b) to execute a predetermined number of times of unit game after execution of the operation (a);
- (c) when a payout variable game is executed by making use of the predetermined number of times of unit game which is being executed in accordance with the operation (b),
- (1) to increase a number of credits to be paid out to the award-accompanied occurrence of the specific combination in proportion to increase in the number of award-not-accompanied occurrence times of the specific symbol combination, and
- (2) to set payout a number of credits to be paid out at the termination of the payout variable game to predetermined minimum amount in case the number of award-accompanied occurrence times of the specific symbol combination is zero, and
- (d) for executing the operation (c),
- (1) to provide various numerical valued possibility of award-accompanied occurrence for the plural symbol combinations and assign same numerical valued possibility of award-accompanied occurrence to two or more of symbol combinations among the plural symbol combinations, and
- (2) to reduce increasing rate with regard to the number of credits to be paid out to the award-accompanied occurrence of the plural symbol combination as an initial value is larger.
8 more elements
Dependencies are inferred from the claim text.