US20050266915A1 - Gaming machine - Google Patents
Gaming machine Download PDFInfo
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- US20050266915A1 US20050266915A1 US11/137,772 US13777205A US2005266915A1 US 20050266915 A1 US20050266915 A1 US 20050266915A1 US 13777205 A US13777205 A US 13777205A US 2005266915 A1 US2005266915 A1 US 2005266915A1
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- symbols
- symbol
- display
- display areas
- gaming machine
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/326—Game play aspects of gaming systems
- G07F17/3262—Player actions which determine the course of the game, e.g. selecting a prize to be won, outcome to be achieved, game to be played
- G07F17/3265—Influencing the position of stopped moving members to achieve a winning arrangement, e.g. nudging, shuffling, holding
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
- G07F17/34—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements depending on the stopping of moving members in a mechanical slot machine, e.g. "fruit" machines
Definitions
- the present invention relates to a gaming machine such as a slot machine in which a plurality of symbols arranged on a plurality of rows are variably displayed.
- a slot machine has been known as a gaming machine for paying out game medium used with a game, such as medals or coins (which will be hereinafter referred to as “coins”), to a player in response to the winning state of the game.
- game medium used with a game such as medals or coins (which will be hereinafter referred to as “coins”)
- coins game medium used with a game
- slot machines of a type having a plurality of reels (mechanical reels) each with symbols placed on the outer peripheral surface and slot machines of a type having a plurality of reels (video reels) displayed on an image display.
- slot machines having the video reels when a player performs predetermined operation, each of the reels on the display start to scroll and the symbols arranged in a predetermined order on each of the reels are displayed circularly.
- the number of coins to be paid out is determined by exactly following the symbol pattern of the stopped reels (combination of the stopped symbols) and therefore the time interval between the instant at which the reels stop and the instant at which coins are paid out is a very boring time for a player.
- players who seek for more excitement are not satisfied with such a conventional gaming machine and are expecting for an introduction of a new gaming machine.
- a gaming machine including: a display that displays a game screen having a plurality of display areas provided with a plurality of symbol display areas; a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; and a controller that controls the display to display the symbols determined by the lottery unit to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas, wherein when a predetermined combination of the symbols is determined by the lottery unit to be displayed in at least one of the display areas, the controller controls the display to replace the predetermined combination of the symbols into a different symbol different from the symbols in the predetermined combination after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.
- FIG. 1 is a general perspective view to show a slot machine according to an embodiment of the invention
- FIG. 2 is a drawing to show button layout of a control panel
- FIG. 3 is a block diagram to show the slot machine centering on the internal configuration thereof
- FIG. 4 is a block diagram to show an example of the internal configuration of an image control circuit
- FIG. 5 is a drawing to show a game screen of a display
- FIG. 6 is a drawing to show symbols displayed on the display
- FIG. 7A and FIG. 7B are drawings to show examples of pay lines of the slot machine
- FIG. 8 is a drawing to show the symbol arrangement of the slot machine according to the embodiment of the invention.
- FIG. 9 is a flowchart to show the game progress of the slot machine
- FIG. 10 is a drawing to show the symbol arrangement on the display in a state in which an effective display sequence is displayed in a display area C;
- FIG. 11 is a drawing to show the symbol arrangement on the display after the effective display sequence in FIG. 10 is replaced;
- FIG. 12 is a drawing to show the symbol arrangement on the display in a state in which an effective display sequence is not displayed in the display area C;
- FIG. 13 is a drawing to show an example of the game screen where a predetermined combination of symbols (T 11 , T 10 , and T 9 ) are arranged in a predetermined symbol display areas (C 1 -C 3 );
- FIG. 14 is a drawing to show an example of the game screen where the predetermined combination of symbols are replaced into a different symbol (symbol T 2 );
- FIG. 15 is a drawing to show another example of the game screen where the predetermined combination of symbols are replaced into a different symbol other than the symbol T 2 , which is a symbol T 4 ;
- FIG. 16 is a drawing to show an example of the game screen where the replaced symbol T 2 is displayed enlarged.
- FIG. 1 is a perspective view to show a slot machine 1 as an example of a gaming machine according to the embodiment.
- the slot machine 1 has a cabinet 2 provided with a display 3 implemented as a liquid crystal display for digitally displaying a slot game.
- a coin insertion slot 4 for inputting game medium such as medals, tokens and coins (which will be hereinafter collectively called “coins”) is provided below the display 3 at the cabinet 2 .
- the slot machine 1 may be provided with a bill insertion slot in addition to the coin insertion slot 4 , for allowing the player to play the slot game with a bill (paper money) or a paper token.
- a control panel 5 is provided below the display 3 .
- the control panel 5 is roughly similar to that provided for a known slot game and is provided with 14 buttons 6 a to 6 n as shown in FIG. 2 .
- a collect button (COLLECT) 6 a for paying out the coins gained in the game
- a game rule button (GAME RULES) 6 b for entering a command for executing a help function.
- buttons are arranged at two stages roughly at the center of the control panel 5 , the 12 buttons including: five bet buttons 6 c to 6 g for entering a bet number of coins (bet count); five line buttons 6 h to 6 l for entering a number of lines; a start feature button (START FEATURE) 6 m for starting a feature game (for example, a free game); and a gamble button (GAMBLE) 6 n for entering to start a transition to a double game at the termination time of the feature game.
- start feature button START FEATURE
- GAMBLE gamble button
- a coin receiving tray 7 for the player to receive the coins paid out is provided in the lower portion of the cabinet 2 .
- the slot machine 1 further includes: a sub-display 8 for displaying an image not directly involved in a game (for example, description of the game contents, and the image effect of the feature game), and a pair of speakers 9 L and 9 R.
- FIG. 3 is a block diagram to show the internal configuration of the slot machine 1 .
- the slot machine 1 includes a plurality of components including a microcomputer 31 .
- the microcomputer 31 includes a main CPU (Central Processing Unit) 32 that serves as a controller, RAM (Random Access Memory) 33 , and ROM (Read-Only Memory) 34 .
- main CPU Central Processing Unit
- RAM Random Access Memory
- ROM Read-Only Memory
- the main CPU 32 operates in accordance with a program stored in the ROM 34 and inputs a signal from each sections (buttons) of the control panel 5 via an I/O port 39 and on the other hand, inputs/outputs a signal from/to other components for performing operation control of the whole slot machine 1 .
- the RAM 33 stores data and programs used for the main CPU 32 to operate. For example, the RAM 33 temporarily retains the random number sampled by a sampling circuit 36 (described later) after a game starts.
- the ROM 34 stores programs executed by the main CPU 32 and permanent data.
- the slot machine 1 is provided with a random number generator 35 , a sampling circuit 36 , a clock pulse generation circuit 37 , and a frequency divider 38 .
- the random number generator 35 operates in accordance with an instruction of the main CPU 32 and generates random numbers in a given range.
- the sampling circuit 36 extracts any random number from the random numbers generated by the random number generator 35 in accordance with an instruction of the main CPU 32 and inputs the extracted random number to the main CPU 32 .
- the clock pulse generation circuit 37 generates a reference clock to operate the main CPU 32
- the frequency divider 38 divides the reference clock in a given period and inputs the result to the main CPU 32 .
- the slot machine 1 is further provided with a lamp drive circuit 59 , a lamp 60 , an LED drive circuit 61 , an LED 62 , a hopper drive circuit 63 , a hopper 64 , a payout completion signal circuit 65 , and a coin detection section 66 .
- the slot machine 1 is also provided with an image control circuit 71 for performing control processing of images displayed on the display 3 and the sub-display 8 , and a sound control circuit 72 for controlling sound generated from the speakers 9 L and 9 R.
- the lamp drive circuit 59 outputs a signal for lighting the lamp 60 to the lamp 60 and blinks the lamp 60 during the game. As the lamp 60 is blinked, a plurality of representation is produced in accordance with the game.
- the LED drive circuit 61 controls the blinking of the LED 62 .
- the LED 62 displays information such as a number of credited coins and a number of gained coins.
- the hopper drive circuit 63 drives the hopper 64 under the control of the main CPU 32 .
- the hopper 64 performs operation to pay out coins and causes coins to be paid out into the coin receiving tray 7 .
- the coin detection section 66 counts the number of coins paid out by the hopper 64 and transmits data indicating the counted number of coins (counted value) to the payout completion signal circuit 65 .
- the payout completion signal circuit 65 receives the data of the number of coins from the coin detection section 66 and outputs a signal indicating a completion of the payout to the main CPU 32 when the number of coins paid out reaches a certain number of coins.
- the image control circuit 71 controls image display on each of the display 3 and the sub-display 8 for displaying various images including symbol images, which will be described later, on the display 3 and the sub-display 8 .
- the image control circuit 71 includes an image control CPU 71 a, work RAM 71 b, program ROM 71 c, image ROM 71 d, video RAM 71 e, and a VDP (Video Display Processor) 71 f.
- the image control CPU 71 a determines the images to be displayed on the display 3 and the sub-display 8 in accordance with an image control program previously stored in the program ROM 71 c based on parameters set in the microcomputer 31 .
- the work RAM 71 b serves as a temporary storage for the image control CPU 71 a to execute the image control program.
- the program ROM 71 c stores the image control program and various selection tables.
- the image ROM 71 d stores bitmap data that forms images.
- the bitmap data contains data of various symbol images (which will be hereinafter referred to as “symbol image group”) in the embodiment.
- the video RAM 71 e serves as a temporary storage for the VDP 71 f to produce an image.
- the VDP 71 f is provided with a control RAM 71 g and produces images responsive to the display contents of the display 3 and the sub-display 8 determined by the image control CPU 71 a and outputs each of the produced image to the display 3 and the sub-display 8 .
- FIG. 5 is a drawing to show an example of a game screen of the display 3 .
- a symbol display area section 81 a line number display section 82 , and an upper display section 83 are displayed on the display 3 .
- the symbol display area section 81 is provided with five columns of display areas A to E each to display three symbols. Image processing is performed so that reel images with different kinds of symbols drawn are variably displayed so as to produce rotation display in the display areas A to E and that the symbols selected when the reel images stop are displayed in symbol display areas A 1 to A 3 , B 1 to B 3 , C 1 to C 3 , D 1 to D 3 , and E 1 to E 3 .
- the line number display section 82 displaying the line numbers indicating the pay lines is displayed on both sides of the symbol display area section 81 .
- the number corresponding to the pay line selected by the player is displayed as lit and the numbers not selected by the player are displayed as extinguished.
- the upper display section 83 is formed above the symbol display area section 81 .
- the upper display section 83 is provided with a number-of-credited-coins display section 83 a, a number-of-BET-coins display section 83 b, a text information display section 83 c, a number-of-PAID-coins display section 83 d, and a charge display section 83 e.
- the number-of-credited-coins display section 83 a displays the number of coins credited at present
- the number-of-BET-coins display section 83 b displays the number of coins bet on one game.
- the text information display section 83 c displays text information indicating the current game state.
- the text information display section 83 c displays text information indicating the state.
- the number-of-PAID-coins display section 83 d displays the number of coins that can be gained in one game, and the charge display section 83 e displays CREDIT.
- FIG. 6 is a drawing to the symbols displayed in each of the symbol display areas A 1 to E 3 .
- each of the symbols is classified as one of a special symbol and a normal symbol.
- the symbols classified as the special symbol are: a bonus symbol T 1 ; a wild symbol T 2 ; a treasure chest symbol T 3 ; a mask symbol T 4 ; a chalice symbol T 5 ; a map symbol T 6 ; and a snake symbol T 7 .
- the symbols classified as the normal symbol are five symbols T 8 to T 12 each having a card mark different from each other.
- the bonus symbol T 1 classified as the special symbol is a symbol used as a trigger for entering a feature game (scatter symbol). For example, when a predetermined number of (for example, three) bonus symbols T 1 or more are displayed in the display areas A to E, a transition is made to a feature game. When a predetermined number of bonus symbols T 1 or more are displayed in the display areas A to E, a transition is made to a feature game and the display positions and the arrangement at the time may be any.
- the wild symbol (specific symbol) T 2 classified as the special symbol is a so-called almighty symbol, and is a symbol handled (deemed) as any of the five special symbols (the treasure chest symbol T 3 , the mask symbol T 4 , the chalice symbol T 5 , the map symbol T 6 , and the snake symbol T 7 ) or any of the five normal symbols (symbols T 8 to T 12 ).
- the normal symbols include an ace symbol (A) T 8 , a king symbol (K) T 9 , a queen symbol (Q) T 10 , a jack symbol (J) T 11 , and a numeric symbol ( 10 ) T 12 .
- FIG. 7A and FIG. 7B are drawings to show examples of pay lines of the slot machine 1 .
- the pay lines are shown on two separated drawings. As shown in the drawings, nine pay lines are provided (defined) by way of example. When a predetermined symbol combination is arranged on any of the pay lines, an award responsive to the symbol combination is paid out to the player. Although not show, other eleven pay lines are provided and twenty pay lines are provided (defined) in total in the embodiment. Thus, multifaceted pay lines can be placed because the number of columns is increased to five in the embodiment.
- the slop machine 1 provides a normal game state and a feature game state in the progress of a game.
- the main CPU 32 of the microcomputer 31 makes a winning determination as to whether or not a feature game transition condition is satisfied. If the feature game transition condition is satisfied, a feature game is executed.
- the feature game transition condition is to display a predetermined number of bonus symbols T 1 or more in the display areas A to E as described above.
- a coin payout rate in the feature game state is set higher than the coin payout rate in the normal game state. Thus, the player plays a normal game while expecting a transition to a feature game.
- the winning determination is made depending on whether or not the same symbols are arranged on the pay lines of the 20 pay lines set in the symbol display areas A 1 to A 3 , B 1 to B 3 , C 1 to C 3 , D 1 to D 3 , and E 1 to E 3 , specified by the player with the line buttons 6 h to 6 l.
- the same symbols are arranged on the pay lines specified by the player, it is determined that the winning condition is satisfied, and a predetermined number of coins are paid out to the player.
- the wild symbol T 2 is deemed as an almighty symbol and is handled as an advantageous symbol for the award (the payout number of coins) in the ten kinds of symbols described above.
- the wild symbol T 2 is handled as the ace symbol T 8 on the pay line.
- the arrangement of the symbols displayed in the display areas A to E will be discussed with reference to FIG. 8 .
- thirty symbols arranged in a predetermined order are scrolled circularly on the display in each of the display areas A to E; the player recognizes the display as if mechanical reels rotated for variably displaying the symbols.
- the symbols may be scrolled in the same rotation period (cycle time) or may be scrolled in different rotation periods.
- Three symbols of a jack symbol T 11 , a queen symbol T 10 , and a king symbol T 9 are placed continuously in this order in the symbol arrangement displayed in the display area C, of the display arrangements displayed in the five display areas A to E.
- FIG. 9 is a flowchart to show the game progress of the slot machine 1 .
- the slot machine 1 When starting main processing, the slot machine 1 first performs start acceptance processing in starting a game. More specifically, the main CPU 32 accesses the ROM 34 and transfers information concerning a basic screen, the information such as a frame displayed on the display 3 , to the image control circuit 71 , which then once stores the received information in the video RAM 71 e and then displays the information on the display 3 . Accordingly, the slot machine 1 enters a state that is ready to provide a slot game to the player. The subsequent processing is performed as the main CPU 32 executes the information concerning a slot game of the program stored in the ROM 34 and the RAM 33 . When the slot machine 1 is operated, a normal game is played as a slot game (step S 100 ).
- step S 100 the slot machine 1 waits for the player to bet.
- the player inputs the number of coins bet on one game through the coin insertion slot 4 or presses any of the bet buttons 6 c to 6 g when credit is left, a game is started and the process proceeds to step S 101 .
- step S 101 the main CPU 32 performs a lottery to determine symbols to be displayed in each of the symbol display areas A 1 -E 3 from among the symbols T 1 -T 12 in accordance with the random number sent from the sampling circuit 36 to the main CPU 32 .
- the main CPU 32 determines to display a predetermined number of bonus symbols T 1 in one of the symbol display areas A 1 -E 3 to thereby satisfy a feature game transition condition to provide a feature game to the player.
- Such lottery based on the random number may be executed at any timing; for example, it may be executed when any of the bet buttons 6 c to 6 g is pressed or after variable display in the display areas A to E is produced.
- the main CPU 32 When the symbols displayed in the display areas A to E are determined by performing the lottery, the main CPU 32 starts scrolling (variably displaying) the symbols displayed in the display areas A to E on the display 3 (step S 102 ).
- the main CPU 32 controls the image control circuit 71 to perform image processing as if mechanical reels rotated.
- Scrolling the symbols displayed in the display areas A to E is stopped in the order of the display areas A to E, whereby predetermined symbols shown in FIG. 5 , for example, are displayed in the display areas A to E (step S 103 ).
- the main CPU 32 determines whether or not a predetermined combination (effective display sequence: T 11 , T 10 , and T 9 , in the embodiment) of the symbols is determined in step S 101 to be displayed in a predetermined display area (display area C having display sequence of C 1 , C 2 , and C 3 , in the embodiment) (step S 104 ).
- the CPU 32 proceeds the process to step S 105 if the predetermined combination is determined to be displayed in the predetermined display area (YES in step S 104 ), and proceed the process to step S 106 if not (NO in step S 104 ).
- the main CPU 32 replaces all of the three symbols T 9 , T 10 , and T 11 to wild symbols (specific symbols) T 2 (step S 105 ). Accordingly, the display sequence of the symbol display areas C 1 , C 2 , and C 3 of the display area C becomes the display sequence of the three continuous wild symbols T 2 as shown in FIGS. 11 and 14 .
- the main CPU 32 proceeds the process to step S 106 after the process of step S 105 .
- step S 106 the main CPU 32 performs a winning determination.
- the main CPU 32 determines that the winning condition is satisfied, and pays out a predetermined number of coins to the player (step S 107 ). That is, when the symbol arrangement in the display areas A to E is as shown in FIGS. 10 and 13 , if attention is focused only on the symbol arrangement on the pay line of line number 1 (horizontal pay line at the middle stage; see FIG. 7A ), the symbol arrangement is a combination of four ace symbols T 8 and one queen symbol T 10 , namely, a combination according to which no coins are paid out. In the symbol arrangement in FIG.
- the display sequence of the symbols arranged in the display area C is the effective display sequence (display sequence in which the symbols are arranged in the order of symbol T 11 , symbol T 10 , symbol T 9 from the top to the bottom) and therefore the effective display sequence is replaced with the sequence in which three wild symbols T 2 are arranged as in FIGS. 11 and 14 ; in fact, it is determined that five ace symbols T 8 are arranged on the pay line of line number 1 , and a predetermined number of coins are paid out to the player.
- the predetermined effective display sequence namely, display sequence in which the symbols are arranged in the order of symbol T 11 , symbol T 10 , symbol T 9 from the top to the bottom
- the symbol T 9 , the symbol T 10 , and the symbol T 11 are replaced to the wild symbols T 2 of almighty symbols (see FIGS. 11 and 14 ) and the winning determination is made actually as the wild symbols T 2 , so that the arrangement/combination of the symbols on the pay line specified by the player easily becomes a symbol arrangement/combination advantageous for award.
- the player can expect a high award.
- the slot machine 1 provides improved amusement to the player as compared with conventional slot machines.
- every pay line contains the wild symbol T 2 .
- the wild symbol T 2 is always involved in the winning determination on any pay line, so that improvement in the payout rate is intended significantly.
- the display sequence of the symbols T 9 , T 10 , and T 11 arranged in one display area C of the five display areas A to E is thus replaced to the display sequence of the wild symbols T 2 , whereby the wild symbol T 2 is placed on each pay line at a high probability, so that the player can expect a large number of coins to be paid out.
- step S 108 the main CPU 32 determines that whether or not the feature game transition condition is satisfied.
- step S 108 if it is determined at step S 108 that the feature game transition condition is satisfied, three or more bonus symbols T 1 are displayed in the display areas A to E and a transition is made from the normal game state to the feature game state (S 109 ).
- symbol scrolling is repeated without inputting any coin or pressing any of the bet buttons 6 c to 6 g. That is, during the feature game, the player can receive payout of coins without consuming any coin or any credited coin and thus the feature game state is a very advantageous state for the player.
- the process proceeds to step S 100 .
- step S 108 if it is determined at step S 108 that the no or one or two bonus symbols T 1 are displayed in the display areas A to E, the transition to the feature game transition condition is not made, and the process proceeds to step S 100 .
- the main CPU 32 serves as: a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; a controller that controls the display to display the symbols determined by the lottery unit to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas; and a determination unit that performs a winning determination in accordance with a combination of the symbols displayed in the symbol display areas.
- the configuration of the slot machine 1 is not limited to the specific embodiment described above and various modifications can be made.
- the display sequence of the jack symbol T 11 , the queen symbol T 10 , and the king symbol T 9 are replaced to the wild symbols T 2 when the three symbols T 11 , T 10 , T 9 are displayed in the display area C.
- the slot machine 1 may be configured that the display sequence of the jack symbol T 11 , the queen symbol T 10 , and the king symbol T 9 are replaced to the wild symbols T 2 when the three symbols T 11 , T 10 , T 9 are displayed in any of the display areas other than the display area C, such as the display areas A, B, D, or E.
- the display sequence of the symbols to be replaced to the wild symbols T 2 is not limited to the display sequence of the jack symbol T 11 , the queen symbol T 10 , and the king symbol T 9 , and any predetermined sequence of the various symbols T 1 to T 12 as shown in FIG. 6 can be used.
- the symbols T 11 , T 10 , T 9 are replaced to the wild symbols T 2 when a predetermined symbol display sequence is arranged in a single display area, which is the display area C.
- the slot machine maybe configured that when a predetermined symbol display sequence is arranged continuously in a horizontal direction or a slanting direction so as to extend across a plurality of display areas, the arranged symbols are replaced to the wild symbols T 2 .
- the specific symbol of to be displayed after the replacement is not limited to the wild symbol T 2 and may be any symbols such as the bonus symbol T 1 for enabling the player to expect a large award finally.
- each of the display areas A to E is configured in a vertical direction as shown in FIG. 5 .
- each of the display areas may be configured in a horizontal direction, such that the display area A is provided with the symbol display areas A 1 , B 1 , C 1 , D 1 , and E 1 , while the display area B is provided with the symbol display areas A 2 , B 2 , C 2 , D 2 , and E 2 , and the display area C is provided with the symbol display areas A 3 , B 3 , C 3 , D 3 , and E 3 .
- each of the reel images is provided for each of the display areas A to E, respectively, and the image processing is performed so that the reel images are displayed to rotate in the vertical direction to variably display the symbols in the symbol display areas.
- the image processing may be performed so that the reel images are displayed to rotate in the horizontal direction.
- a predetermined effective display sequence (sequence of the symbols T 11 , T 10 , T 9 ) is replaced to the specific symbol display sequence (sequence of the wild symbols T 2 ) in the normal game state.
- the replacement from the effective display sequence to the specific symbol display sequence may be caused to occur only in the feature game state or may be caused to occur both in the normal game state and in the feature game state.
- the winning determination (step S 106 ) is performed after the stopping the scrolling symbols (step S 103 )
- a timing to perform the winning determination is not limited to the timing described in the embodiment, and the winning determination may be performed at an arbitrary timing.
- the slot machine 1 may be configured to perform the winning determination after performing the lottery to determine symbols to be displayed in each of the symbol display areas A 1 -E 3 in step S 101 .
- the winning determination is performed only once in one normal game.
- the slot machine 1 may be configured to perform the winning determination for a plurality of times.
- the slot machine 1 may be configured to perform the winning determination when the symbols determined by the lottery performed in step S 101 are stopped in the symbol display areas (e.g., between step S 103 and step S 104 ), and perform the winning determination again after the predetermined combination of the symbols (symbols T 11 , T 10 , and T 9 ) are replaced into the different symbol (symbol T 2 ).
- the symbol (the different symbol) to be replaced when the predetermined combination of the symbols (symbols T 11 , T 10 , and T 9 ) are stopped in the predetermined symbol display areas (C 1 -C 3 ) is predefined as the wild symbol T 2 that is deemed in the winning determination as any of the plurality of symbols T 1 , and T 3 -T 12 .
- the different symbol that is displayed after the replacement is not limited to the wild symbol T 2 and may be any one of the plurality of symbols T 1 -T 12 .
- FIG. 15 shows one example that the predetermined combination of symbols is replaced into the mask symbol T 4 .
- the different symbol to be replaced may be determined by performing a lottery from among the plurality of symbols T 1 -T 12 .
- the slot machine 1 may be configured that the main CPU 32 performs a lottery to determine the different symbol from among the plurality of symbols in advance to step S 105 , and the main CPU 32 controls the display 3 to replace the predetermined combination of the symbols into the different symbol determined by the lottery.
- the replacement of the symbols in step 105 is performed only once.
- the slot machine 1 may be configured to perform the replacement for a plurality of times.
- the slot machine 1 may be configured that the main CPU 32 performs a lottery to determine a plurality of the different symbols to be displayed in the replacement from among the plurality of symbols, and the main CPU 32 controls the display 3 to replace the different symbols sequentially after replacing the predetermined combination of the symbols into one of the different symbols.
- the main CPU 32 may perform the winning determination each time the replacement is made.
- the main CPU 32 may control the display 3 to display the different symbol being applied with a special image effect.
- the special image effect may be any one of or combination of arbitrary image effects such as scaling, deforming, flashing, and the like.
- FIG. 16 shows one example that the replaced different symbol (symbol T 2 ) is enlarged as one symbol.
- a gaming machine including a display having a plurality of symbol display areas where a plurality of continuous symbols are variably displayed; and a controller for executing a predetermined program and controlling the display contents of the display, characterized in that when the display sequence of the symbols arranged in at least one of the symbol display areas is a predetermined effective display sequence, the controller replaces the display sequence of the symbols to a specific symbol display sequence advantageous for an award in accordance with the program.
- the display sequence of the symbols in at least one of the symbol display areas is the predetermined effective display sequence
- the display sequence of the symbols is replaced to the specific symbol display sequence.
- the award becomes more advantageous. That is, if the display sequence of the symbols is replaced to the specific symbol display sequence, the player of the slot machine 1 can expect a larger payout than that before the symbol sequence is replaced and thus can continue playing a game with enjoyment without being bored.
- the controller replaces the display sequence of the symbols to the specific symbol display sequence.
- the specific symbols are placed on the activated pay line used for award determination at a high probability, so that the player can expect a larger number of coins to be paid out.
- the gaming machine provides improved amusement as compared with conventional gaming machines.
Abstract
A gaming machine includes: a display that displays a game screen having a plurality of display areas provided with a plurality of symbol display areas; a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; and a controller that controls the display to display the symbols to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas, wherein when a predetermined combination of the symbols is determined by the lottery unit to be displayed in at least one of the display areas, the controller controls the display to replace the predetermined combination of the symbols into a different symbol different from the symbols in the predetermined combination after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.
Description
- The present application is based upon and claims a priority from a prior Japanese Patent Application No. 2004-157923 filed on May 27, 2004, the entire contents of which are incorporated herein by reference.
- 1. Field of the Invention
- The present invention relates to a gaming machine such as a slot machine in which a plurality of symbols arranged on a plurality of rows are variably displayed.
- 2. Description of the Related Art
- Hitherto, a slot machine has been known as a gaming machine for paying out game medium used with a game, such as medals or coins (which will be hereinafter referred to as “coins”), to a player in response to the winning state of the game. There are conventionally provided slot machines of a type having a plurality of reels (mechanical reels) each with symbols placed on the outer peripheral surface, and slot machines of a type having a plurality of reels (video reels) displayed on an image display. In the slot machines having the video reels, when a player performs predetermined operation, each of the reels on the display start to scroll and the symbols arranged in a predetermined order on each of the reels are displayed circularly. When all of the reels stop, coins are paid out in response to the combination of the symbols on activated pay lines (pay lines) An example of a conventional slot machine having video reels is disclosed, for example, in an international patent publication No. WO 00/32286 (a publication number of the Japanese national phase of which is JP-A-2002-537874).
- However, in the slot machines in related arts including the slot machine disclosed in JP-A-2002-537874, the number of coins to be paid out is determined by exactly following the symbol pattern of the stopped reels (combination of the stopped symbols) and therefore the time interval between the instant at which the reels stop and the instant at which coins are paid out is a very boring time for a player. Thus, players who seek for more excitement are not satisfied with such a conventional gaming machine and are expecting for an introduction of a new gaming machine.
- It is therefore one of objects of the present invention to provide a gaming machine that provides improved amusement.
- According to one aspect of the invention, there is provided a gaming machine including: a display that displays a game screen having a plurality of display areas provided with a plurality of symbol display areas; a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; and a controller that controls the display to display the symbols determined by the lottery unit to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas, wherein when a predetermined combination of the symbols is determined by the lottery unit to be displayed in at least one of the display areas, the controller controls the display to replace the predetermined combination of the symbols into a different symbol different from the symbols in the predetermined combination after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.
- These and other objects and advantages of the present invention will be more fully apparent from the following detailed description taken in conjunction with the accompanying drawings, in which:
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FIG. 1 is a general perspective view to show a slot machine according to an embodiment of the invention; -
FIG. 2 is a drawing to show button layout of a control panel; -
FIG. 3 is a block diagram to show the slot machine centering on the internal configuration thereof; -
FIG. 4 is a block diagram to show an example of the internal configuration of an image control circuit; -
FIG. 5 is a drawing to show a game screen of a display; -
FIG. 6 is a drawing to show symbols displayed on the display; -
FIG. 7A andFIG. 7B are drawings to show examples of pay lines of the slot machine; -
FIG. 8 is a drawing to show the symbol arrangement of the slot machine according to the embodiment of the invention; -
FIG. 9 is a flowchart to show the game progress of the slot machine; -
FIG. 10 is a drawing to show the symbol arrangement on the display in a state in which an effective display sequence is displayed in a display area C; -
FIG. 11 is a drawing to show the symbol arrangement on the display after the effective display sequence inFIG. 10 is replaced; -
FIG. 12 is a drawing to show the symbol arrangement on the display in a state in which an effective display sequence is not displayed in the display area C; -
FIG. 13 is a drawing to show an example of the game screen where a predetermined combination of symbols (T11, T10, and T9) are arranged in a predetermined symbol display areas (C1-C3); -
FIG. 14 is a drawing to show an example of the game screen where the predetermined combination of symbols are replaced into a different symbol (symbol T2); -
FIG. 15 is a drawing to show another example of the game screen where the predetermined combination of symbols are replaced into a different symbol other than the symbol T2, which is a symbol T4; and -
FIG. 16 is a drawing to show an example of the game screen where the replaced symbol T2 is displayed enlarged. - An embodiment of a gaming machine according to the invention will be discussed in detail with reference to the accompanying drawings. Identical or equal elements are denoted by the same reference numeral and duplicate description will be omitted.
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FIG. 1 is a perspective view to show aslot machine 1 as an example of a gaming machine according to the embodiment. Theslot machine 1 has acabinet 2 provided with adisplay 3 implemented as a liquid crystal display for digitally displaying a slot game. Acoin insertion slot 4 for inputting game medium such as medals, tokens and coins (which will be hereinafter collectively called “coins”) is provided below thedisplay 3 at thecabinet 2. Theslot machine 1 may be provided with a bill insertion slot in addition to thecoin insertion slot 4, for allowing the player to play the slot game with a bill (paper money) or a paper token. - A
control panel 5 is provided below thedisplay 3. Thecontrol panel 5 is roughly similar to that provided for a known slot game and is provided with 14buttons 6 a to 6 n as shown inFIG. 2 . - As shown in
FIG. 2 , there are arranged in the upper left portion of the control panel 5 a collect button (COLLECT) 6 a for paying out the coins gained in the game and a game rule button (GAME RULES) 6 b for entering a command for executing a help function. The remaining 12 buttons are arranged at two stages roughly at the center of thecontrol panel 5, the 12 buttons including: fivebet buttons 6 c to 6 g for entering a bet number of coins (bet count); fiveline buttons 6 h to 6 l for entering a number of lines; a start feature button (START FEATURE) 6 m for starting a feature game (for example, a free game); and a gamble button (GAMBLE) 6 n for entering to start a transition to a double game at the termination time of the feature game. - Referring again to
FIG. 1 , acoin receiving tray 7 for the player to receive the coins paid out is provided in the lower portion of thecabinet 2. Theslot machine 1 further includes: asub-display 8 for displaying an image not directly involved in a game (for example, description of the game contents, and the image effect of the feature game), and a pair ofspeakers -
FIG. 3 is a block diagram to show the internal configuration of theslot machine 1. As shown inFIG. 3 , theslot machine 1 includes a plurality of components including amicrocomputer 31. - The
microcomputer 31 includes a main CPU (Central Processing Unit) 32 that serves as a controller, RAM (Random Access Memory) 33, and ROM (Read-Only Memory) 34. - The
main CPU 32 operates in accordance with a program stored in theROM 34 and inputs a signal from each sections (buttons) of thecontrol panel 5 via an I/O port 39 and on the other hand, inputs/outputs a signal from/to other components for performing operation control of thewhole slot machine 1. TheRAM 33 stores data and programs used for themain CPU 32 to operate. For example, theRAM 33 temporarily retains the random number sampled by a sampling circuit 36 (described later) after a game starts. TheROM 34 stores programs executed by themain CPU 32 and permanent data. - The
slot machine 1 is provided with arandom number generator 35, asampling circuit 36, a clockpulse generation circuit 37, and afrequency divider 38. Therandom number generator 35 operates in accordance with an instruction of themain CPU 32 and generates random numbers in a given range. Thesampling circuit 36 extracts any random number from the random numbers generated by therandom number generator 35 in accordance with an instruction of themain CPU 32 and inputs the extracted random number to themain CPU 32. The clockpulse generation circuit 37 generates a reference clock to operate themain CPU 32, and thefrequency divider 38 divides the reference clock in a given period and inputs the result to themain CPU 32. - The
slot machine 1 is further provided with alamp drive circuit 59, alamp 60, anLED drive circuit 61, anLED 62, ahopper drive circuit 63, ahopper 64, a payoutcompletion signal circuit 65, and acoin detection section 66. Theslot machine 1 is also provided with animage control circuit 71 for performing control processing of images displayed on thedisplay 3 and thesub-display 8, and asound control circuit 72 for controlling sound generated from thespeakers - The
lamp drive circuit 59 outputs a signal for lighting thelamp 60 to thelamp 60 and blinks thelamp 60 during the game. As thelamp 60 is blinked, a plurality of representation is produced in accordance with the game. TheLED drive circuit 61 controls the blinking of theLED 62. TheLED 62 displays information such as a number of credited coins and a number of gained coins. Thehopper drive circuit 63 drives thehopper 64 under the control of themain CPU 32. Thehopper 64 performs operation to pay out coins and causes coins to be paid out into thecoin receiving tray 7. - The
coin detection section 66 counts the number of coins paid out by thehopper 64 and transmits data indicating the counted number of coins (counted value) to the payoutcompletion signal circuit 65. The payoutcompletion signal circuit 65 receives the data of the number of coins from thecoin detection section 66 and outputs a signal indicating a completion of the payout to themain CPU 32 when the number of coins paid out reaches a certain number of coins. - The
image control circuit 71 controls image display on each of thedisplay 3 and thesub-display 8 for displaying various images including symbol images, which will be described later, on thedisplay 3 and thesub-display 8. - As shown in
FIG. 4 , theimage control circuit 71 includes animage control CPU 71 a,work RAM 71 b,program ROM 71 c,image ROM 71 d,video RAM 71 e, and a VDP (Video Display Processor) 71 f. Theimage control CPU 71 a determines the images to be displayed on thedisplay 3 and the sub-display 8 in accordance with an image control program previously stored in theprogram ROM 71 c based on parameters set in themicrocomputer 31. Thework RAM 71 b serves as a temporary storage for theimage control CPU 71 a to execute the image control program. - The
program ROM 71 c stores the image control program and various selection tables. Theimage ROM 71 d stores bitmap data that forms images. The bitmap data contains data of various symbol images (which will be hereinafter referred to as “symbol image group”) in the embodiment. Thevideo RAM 71 e serves as a temporary storage for theVDP 71 f to produce an image. TheVDP 71 f is provided with acontrol RAM 71 g and produces images responsive to the display contents of thedisplay 3 and the sub-display 8 determined by theimage control CPU 71 a and outputs each of the produced image to thedisplay 3 and thesub-display 8. -
FIG. 5 is a drawing to show an example of a game screen of thedisplay 3. In the embodiment, a symboldisplay area section 81, a linenumber display section 82, and anupper display section 83 are displayed on thedisplay 3. - The symbol
display area section 81 is provided with five columns of display areas A to E each to display three symbols. Image processing is performed so that reel images with different kinds of symbols drawn are variably displayed so as to produce rotation display in the display areas A to E and that the symbols selected when the reel images stop are displayed in symbol display areas A1 to A3, B1 to B3, C1 to C3, D1 to D3, and E1 to E3. - The line
number display section 82 displaying the line numbers indicating the pay lines is displayed on both sides of the symboldisplay area section 81. Of the line numbers displayed in the linenumber display section 82, the number corresponding to the pay line selected by the player is displayed as lit and the numbers not selected by the player are displayed as extinguished. - The
upper display section 83 is formed above the symboldisplay area section 81. Theupper display section 83 is provided with a number-of-credited-coins display section 83 a, a number-of-BET-coins display section 83 b, a textinformation display section 83 c, a number-of-PAID-coins display section 83 d, and acharge display section 83 e. The number-of-credited-coins display section 83 a displays the number of coins credited at present, and the number-of-BET-coins display section 83 b displays the number of coins bet on one game. The textinformation display section 83 c displays text information indicating the current game state. For example, when a feature game state is entered, the textinformation display section 83 c displays text information indicating the state. The number-of-PAID-coins display section 83 d displays the number of coins that can be gained in one game, and thecharge display section 83 e displays CREDIT. -
FIG. 6 is a drawing to the symbols displayed in each of the symbol display areas A1 to E3. In the embodiment, each of the symbols is classified as one of a special symbol and a normal symbol. The symbols classified as the special symbol are: a bonus symbol T1; a wild symbol T2; a treasure chest symbol T3; a mask symbol T4; a chalice symbol T5; a map symbol T6; and a snake symbol T7. The symbols classified as the normal symbol are five symbols T8 to T12 each having a card mark different from each other. - The bonus symbol T1 classified as the special symbol is a symbol used as a trigger for entering a feature game (scatter symbol). For example, when a predetermined number of (for example, three) bonus symbols T1 or more are displayed in the display areas A to E, a transition is made to a feature game. When a predetermined number of bonus symbols T1 or more are displayed in the display areas A to E, a transition is made to a feature game and the display positions and the arrangement at the time may be any.
- The wild symbol (specific symbol) T2 classified as the special symbol is a so-called almighty symbol, and is a symbol handled (deemed) as any of the five special symbols (the treasure chest symbol T3, the mask symbol T4, the chalice symbol T5, the map symbol T6, and the snake symbol T7) or any of the five normal symbols (symbols T8 to T12).
- The normal symbols (card mark symbols) include an ace symbol (A) T8, a king symbol (K) T9, a queen symbol (Q) T10, a jack symbol (J) T11, and a numeric symbol (10) T12.
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FIG. 7A andFIG. 7B are drawings to show examples of pay lines of theslot machine 1. For easy understanding, the pay lines are shown on two separated drawings. As shown in the drawings, nine pay lines are provided (defined) by way of example. When a predetermined symbol combination is arranged on any of the pay lines, an award responsive to the symbol combination is paid out to the player. Although not show, other eleven pay lines are provided and twenty pay lines are provided (defined) in total in the embodiment. Thus, multifaceted pay lines can be placed because the number of columns is increased to five in the embodiment. - The
slop machine 1 provides a normal game state and a feature game state in the progress of a game. Themain CPU 32 of themicrocomputer 31 makes a winning determination as to whether or not a feature game transition condition is satisfied. If the feature game transition condition is satisfied, a feature game is executed. The feature game transition condition is to display a predetermined number of bonus symbols T1 or more in the display areas A to E as described above. A coin payout rate in the feature game state is set higher than the coin payout rate in the normal game state. Thus, the player plays a normal game while expecting a transition to a feature game. - The winning determination is made depending on whether or not the same symbols are arranged on the pay lines of the 20 pay lines set in the symbol display areas A1 to A3, B1 to B3, C1 to C3, D1 to D3, and E1 to E3, specified by the player with the
line buttons 6 h to 6 l. When the same symbols are arranged on the pay lines specified by the player, it is determined that the winning condition is satisfied, and a predetermined number of coins are paid out to the player. In the winning determination, the wild symbol T2 is deemed as an almighty symbol and is handled as an advantageous symbol for the award (the payout number of coins) in the ten kinds of symbols described above. That is, if only the ace symbol T8 and the wild symbol T2 are arranged in all symbol display areas on one play line, the same number of coins as the ace symbols T8 are arranged in all symbol display areas on one pay line are paid out to the player. In this case, the wild symbol T2 is handled as the ace symbol T8 on the pay line. - The arrangement of the symbols displayed in the display areas A to E will be discussed with reference to
FIG. 8 . As shown inFIG. 8 , thirty symbols arranged in a predetermined order are scrolled circularly on the display in each of the display areas A to E; the player recognizes the display as if mechanical reels rotated for variably displaying the symbols. In the display areas A to E, the symbols may be scrolled in the same rotation period (cycle time) or may be scrolled in different rotation periods. Three symbols of a jack symbol T11, a queen symbol T10, and a king symbol T9 are placed continuously in this order in the symbol arrangement displayed in the display area C, of the display arrangements displayed in the five display areas A to E. - A control method of the
slot machine 1 according to the embodiment will be discussed.FIG. 9 is a flowchart to show the game progress of theslot machine 1. - When starting main processing, the
slot machine 1 first performs start acceptance processing in starting a game. More specifically, themain CPU 32 accesses theROM 34 and transfers information concerning a basic screen, the information such as a frame displayed on thedisplay 3, to theimage control circuit 71, which then once stores the received information in thevideo RAM 71 e and then displays the information on thedisplay 3. Accordingly, theslot machine 1 enters a state that is ready to provide a slot game to the player. The subsequent processing is performed as themain CPU 32 executes the information concerning a slot game of the program stored in theROM 34 and theRAM 33. When theslot machine 1 is operated, a normal game is played as a slot game (step S100). - At step S100, the
slot machine 1 waits for the player to bet. When the player inputs the number of coins bet on one game through thecoin insertion slot 4 or presses any of thebet buttons 6 c to 6 g when credit is left, a game is started and the process proceeds to step S101. - In step S101, the
main CPU 32 performs a lottery to determine symbols to be displayed in each of the symbol display areas A1-E3 from among the symbols T1-T12 in accordance with the random number sent from thesampling circuit 36 to themain CPU 32. For example, when random numbers are generated in the range ofintegers 0 to 400 and therandom number 1 is acquired, themain CPU 32 determines to display a predetermined number of bonus symbols T1 in one of the symbol display areas A1-E3 to thereby satisfy a feature game transition condition to provide a feature game to the player. Such lottery based on the random number may be executed at any timing; for example, it may be executed when any of thebet buttons 6 c to 6 g is pressed or after variable display in the display areas A to E is produced. - When the symbols displayed in the display areas A to E are determined by performing the lottery, the
main CPU 32 starts scrolling (variably displaying) the symbols displayed in the display areas A to E on the display 3 (step S102). Themain CPU 32 controls theimage control circuit 71 to perform image processing as if mechanical reels rotated. - Scrolling the symbols displayed in the display areas A to E is stopped in the order of the display areas A to E, whereby predetermined symbols shown in
FIG. 5 , for example, are displayed in the display areas A to E (step S103). - Next, the
main CPU 32 determines whether or not a predetermined combination (effective display sequence: T11, T10, and T9, in the embodiment) of the symbols is determined in step S101 to be displayed in a predetermined display area (display area C having display sequence of C1, C2, and C3, in the embodiment) (step S104). TheCPU 32 proceeds the process to step S105 if the predetermined combination is determined to be displayed in the predetermined display area (YES in step S104), and proceed the process to step S106 if not (NO in step S104). - When the display sequence of the symbols arranged in the symbol display areas C1, C2, and C3 of the display area C matches the effective display sequence of the arrangement of a jack symbol T11, a queen symbol T10, and a king symbol T9 as in
FIGS. 10 and 13 , themain CPU 32 replaces all of the three symbols T9, T10, and T11 to wild symbols (specific symbols) T2 (step S105). Accordingly, the display sequence of the symbol display areas C1, C2, and C3 of the display area C becomes the display sequence of the three continuous wild symbols T2 as shown inFIGS. 11 and 14 . Themain CPU 32 proceeds the process to step S106 after the process of step S105. - In step S106, the
main CPU 32 performs a winning determination. When the same symbols are arranged on the pay line specified by the player, themain CPU 32 determines that the winning condition is satisfied, and pays out a predetermined number of coins to the player (step S107). That is, when the symbol arrangement in the display areas A to E is as shown inFIGS. 10 and 13 , if attention is focused only on the symbol arrangement on the pay line of line number 1 (horizontal pay line at the middle stage; seeFIG. 7A ), the symbol arrangement is a combination of four ace symbols T8 and one queen symbol T10, namely, a combination according to which no coins are paid out. In the symbol arrangement inFIG. 10 , however, the display sequence of the symbols arranged in the display area C is the effective display sequence (display sequence in which the symbols are arranged in the order of symbol T11, symbol T10, symbol T9 from the top to the bottom) and therefore the effective display sequence is replaced with the sequence in which three wild symbols T2 are arranged as inFIGS. 11 and 14 ; in fact, it is determined that five ace symbols T8 are arranged on the pay line ofline number 1, and a predetermined number of coins are paid out to the player. - When the display sequence of the symbols arranged in the symbol display areas C1, C2, and C3 of the display area C shifts even one stage from the effective display sequence of the arrangement of the jack symbol T11, the queen symbol T10, and the king symbol T9 as shown in
FIG. 12 , the three symbols T9, T10, and T11 are not replaced to wild symbols (specific symbols) T2 in step S105, and the winning determination is made with the symbols unreplaced. - Thus, when scrolling the symbols in the display areas A to E stops, if the predetermined effective display sequence (namely, display sequence in which the symbols are arranged in the order of symbol T11, symbol T10, symbol T9 from the top to the bottom) is displayed in the display area C, the symbol T9, the symbol T10, and the symbol T11 are replaced to the wild symbols T2 of almighty symbols (see
FIGS. 11 and 14 ) and the winning determination is made actually as the wild symbols T2, so that the arrangement/combination of the symbols on the pay line specified by the player easily becomes a symbol arrangement/combination advantageous for award. Thus, when symbols are thus replaced to the wild symbols T2, the player can expect a high award. Therefore, even after scrolling the symbols in the display areas A to E stops, a sense of expectation of the player can be maintained significantly, enabling the player to continue playing a game with enjoyment without being bored. That is, theslot machine 1 provides improved amusement to the player as compared with conventional slot machines. - Since all of the symbols displayed in the symbol display areas C1, C2, and C3 of the display area C are the wild symbols T2, every pay line contains the wild symbol T2. Thus, the wild symbol T2 is always involved in the winning determination on any pay line, so that improvement in the payout rate is intended significantly. The display sequence of the symbols T9, T10, and T11 arranged in one display area C of the five display areas A to E is thus replaced to the display sequence of the wild symbols T2, whereby the wild symbol T2 is placed on each pay line at a high probability, so that the player can expect a large number of coins to be paid out.
- Next, in step S108, the
main CPU 32 determines that whether or not the feature game transition condition is satisfied. - That is, if it is determined at step S108 that the feature game transition condition is satisfied, three or more bonus symbols T1 are displayed in the display areas A to E and a transition is made from the normal game state to the feature game state (S109). In the feature game of the embodiment, in which a so-called free game is employed as the feature game, symbol scrolling is repeated without inputting any coin or pressing any of the
bet buttons 6 c to 6 g. That is, during the feature game, the player can receive payout of coins without consuming any coin or any credited coin and thus the feature game state is a very advantageous state for the player. After the feature game, the process proceeds to step S100. - On the other hand, if it is determined at step S108 that the no or one or two bonus symbols T1 are displayed in the display areas A to E, the transition to the feature game transition condition is not made, and the process proceeds to step S100.
- In the embodiment described above, the
main CPU 32 serves as: a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; a controller that controls the display to display the symbols determined by the lottery unit to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas; and a determination unit that performs a winning determination in accordance with a combination of the symbols displayed in the symbol display areas. - The configuration of the
slot machine 1 is not limited to the specific embodiment described above and various modifications can be made. - In the above described embodiment, the display sequence of the jack symbol T11, the queen symbol T10, and the king symbol T9 are replaced to the wild symbols T2 when the three symbols T11, T10, T9 are displayed in the display area C. However, the
slot machine 1 may be configured that the display sequence of the jack symbol T11, the queen symbol T10, and the king symbol T9 are replaced to the wild symbols T2 when the three symbols T11, T10, T9 are displayed in any of the display areas other than the display area C, such as the display areas A, B, D, or E. - The display sequence of the symbols to be replaced to the wild symbols T2 is not limited to the display sequence of the jack symbol T11, the queen symbol T10, and the king symbol T9, and any predetermined sequence of the various symbols T1 to T12 as shown in
FIG. 6 can be used. - In the embodiment, the symbols T11, T10, T9 are replaced to the wild symbols T2 when a predetermined symbol display sequence is arranged in a single display area, which is the display area C. However, the slot machine maybe configured that when a predetermined symbol display sequence is arranged continuously in a horizontal direction or a slanting direction so as to extend across a plurality of display areas, the arranged symbols are replaced to the wild symbols T2. The specific symbol of to be displayed after the replacement is not limited to the wild symbol T2 and may be any symbols such as the bonus symbol T1 for enabling the player to expect a large award finally.
- In the embodiment, each of the display areas A to E is configured in a vertical direction as shown in
FIG. 5 . However, each of the display areas may be configured in a horizontal direction, such that the display area A is provided with the symbol display areas A1, B1, C1, D1, and E1, while the display area B is provided with the symbol display areas A2, B2, C2, D2, and E2, and the display area C is provided with the symbol display areas A3, B3, C3, D3, and E3. - In the embodiment, each of the reel images is provided for each of the display areas A to E, respectively, and the image processing is performed so that the reel images are displayed to rotate in the vertical direction to variably display the symbols in the symbol display areas. However, the image processing may be performed so that the reel images are displayed to rotate in the horizontal direction.
- In the embodiment, a predetermined effective display sequence (sequence of the symbols T11, T10, T9) is replaced to the specific symbol display sequence (sequence of the wild symbols T2) in the normal game state. However, the replacement from the effective display sequence to the specific symbol display sequence may be caused to occur only in the feature game state or may be caused to occur both in the normal game state and in the feature game state.
- In the embodiment, the winning determination (step S106) is performed after the stopping the scrolling symbols (step S103) However, a timing to perform the winning determination is not limited to the timing described in the embodiment, and the winning determination may be performed at an arbitrary timing. For example, the
slot machine 1 may be configured to perform the winning determination after performing the lottery to determine symbols to be displayed in each of the symbol display areas A1-E3 in step S101. - In the embodiment, the winning determination is performed only once in one normal game. However, the
slot machine 1 may be configured to perform the winning determination for a plurality of times. For example, theslot machine 1 may be configured to perform the winning determination when the symbols determined by the lottery performed in step S101 are stopped in the symbol display areas (e.g., between step S103 and step S104), and perform the winning determination again after the predetermined combination of the symbols (symbols T11, T10, and T9) are replaced into the different symbol (symbol T2). - In the embodiment, the symbol (the different symbol) to be replaced when the predetermined combination of the symbols (symbols T11, T10, and T9) are stopped in the predetermined symbol display areas (C1-C3) is predefined as the wild symbol T2 that is deemed in the winning determination as any of the plurality of symbols T1, and T3-T12. However, the different symbol that is displayed after the replacement is not limited to the wild symbol T2 and may be any one of the plurality of symbols T1-T12.
FIG. 15 shows one example that the predetermined combination of symbols is replaced into the mask symbol T4. - The different symbol to be replaced may be determined by performing a lottery from among the plurality of symbols T1-T12. For example, the
slot machine 1 may be configured that themain CPU 32 performs a lottery to determine the different symbol from among the plurality of symbols in advance to step S105, and themain CPU 32 controls thedisplay 3 to replace the predetermined combination of the symbols into the different symbol determined by the lottery. - In the embodiment, the replacement of the symbols in step 105 is performed only once. However, the
slot machine 1 may be configured to perform the replacement for a plurality of times. For example, theslot machine 1 may be configured that themain CPU 32 performs a lottery to determine a plurality of the different symbols to be displayed in the replacement from among the plurality of symbols, and themain CPU 32 controls thedisplay 3 to replace the different symbols sequentially after replacing the predetermined combination of the symbols into one of the different symbols. In this case, themain CPU 32 may perform the winning determination each time the replacement is made. - It is preferable to configure the
main CPU 32 to control thedisplay 3 to display the different symbol being applied with a special image effect. The special image effect may be any one of or combination of arbitrary image effects such as scaling, deforming, flashing, and the like.FIG. 16 shows one example that the replaced different symbol (symbol T2) is enlarged as one symbol. - As described with reference to the embodiment, there is provided a gaming machine including a display having a plurality of symbol display areas where a plurality of continuous symbols are variably displayed; and a controller for executing a predetermined program and controlling the display contents of the display, characterized in that when the display sequence of the symbols arranged in at least one of the symbol display areas is a predetermined effective display sequence, the controller replaces the display sequence of the symbols to a specific symbol display sequence advantageous for an award in accordance with the program.
- In the gaming machine, when the display sequence of the symbols in at least one of the symbol display areas is the predetermined effective display sequence, the display sequence of the symbols is replaced to the specific symbol display sequence. As the display sequence of the symbols is replaced, the award becomes more advantageous. That is, if the display sequence of the symbols is replaced to the specific symbol display sequence, the player of the
slot machine 1 can expect a larger payout than that before the symbol sequence is replaced and thus can continue playing a game with enjoyment without being bored. - When the display sequence of the symbols arranged in one of the symbol display areas is the predetermined effective display sequence, preferably the controller replaces the display sequence of the symbols to the specific symbol display sequence. In this case, the specific symbols are placed on the activated pay line used for award determination at a high probability, so that the player can expect a larger number of coins to be paid out.
- Accordingly, the gaming machine provides improved amusement as compared with conventional gaming machines.
- The foregoing description of the embodiment of the invention has been presented for purposes of illustration and description. It is not intended to be exhaustive or to limit the invention to the precise form disclosed, and modifications and variations are possible in light of the above teachings or may be acquired from practice of the invention. The embodiment was chosen and described in order to explain the principles of the invention and its practical application to enable those skilled in the art to utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims appended hereto, and their equivalents.
Claims (15)
1. A gaming machine comprising:
a display that displays a game screen having a plurality of display areas provided with a plurality of symbol display areas;
a lottery unit that performs a lottery to determine symbols to be displayed in each of the symbol display areas from among a plurality of symbols; and
a controller that controls the display to display the symbols determined by the lottery unit to be stopped in each of the symbol display areas after variably displaying the plurality of symbols in each of the symbol display areas,
wherein when a predetermined combination of the symbols is determined by the lottery unit to be displayed in at least one of the display areas, the controller controls the display to replace the predetermined combination of the symbols into a different symbol different from the symbols in the predetermined combination after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.
2. The gaming machine according to claim 1 further comprising a determination unit that performs a winning determination in accordance with a combination of the symbols displayed in the symbol display areas.
3. The gaming machine according to claim 2 , wherein at least one pay line is defined in the symbol display areas,
wherein the determination unit performs the winning determination in accordance with a combination of the symbols stopped on the pay line.
4. The gaming machine according to claim 2 , wherein the determination unit performs the winning determination when the symbols determined by the lottery unit are stopped in the symbol display areas, and
wherein the determination unit performs the winning determination after the predetermined combination of the symbols are replaced into the different symbol.
5. The gaming machine according to claim 1 , wherein the lottery unit performs a lottery to determine the different symbol from among the plurality of symbols, and
wherein the controller controls the display to replace the predetermined combination of the symbols into the different symbol determined by the lottery unit.
6. The gaming machine according to claim 1 , wherein the lottery unit performs a lottery to determine a plurality of the different symbols from among the plurality of symbols, and
wherein the controller controls the display to replace the different symbols sequentially after replacing the predetermined combination of the symbols into one of the different symbols.
7. The gaming machine according to claim 6 further comprising a determination unit that performs a winning determination in accordance with a combination of the symbols displayed in the symbol display areas,
wherein the determination unit performs the winning determination each time the controller controls the display to replace the different symbols.
8. The gaming machine according to claim 2 , wherein each of the symbols is classified as one of a special symbol and a normal symbol, and
wherein the gaming machine further comprises a payout unit that performs larger payout in a case where a win based on the special symbol is determined by the determination unit than in a case where a win based on the normal symbol is determined by the determination unit.
9. The gaming machine according to claim 8 , wherein when the predetermined combination of the symbols is determined by the lottery unit to be displayed in the predetermined symbol display areas, the controller controls the display to replace the predetermined combination of the symbols into the different symbol that is classified as the special symbol after displaying the symbols determined by the lottery unit to be stopped in each of the symbol display areas.
10. The gaming machine according to claim 2 , wherein the different symbol is a wild symbol that is deemed by the determination unit as at least one of the plurality of symbols.
11. The gaming machine according to claim 1 , wherein the display is provided with at least one reel that rotates and has a periphery on which the plurality of symbols are arranged, and
wherein the display displays the plurality of symbols arranged on the periphery of the reel in each of the symbol display areas.
12. The gaming machine according to claim 11 , wherein the reel is a video reel that is displayed on the display as a video image.
13. The gaming machine according to claim 11 , wherein the reel is a mechanical reel that is rotatably provided behind the display.
14. The gaming machine according to claim 1 ,* wherein the controller controls the display to display the different symbol being applied with a special image effect.
15. The gaming machine according to claim 14 , wherein the controller controls the display to display the different symbol to be enlarged as one symbol.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004157923A JP2005334352A (en) | 2004-05-27 | 2004-05-27 | Game machine |
JPP2004-157923 | 2004-05-27 |
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US20050266915A1 true US20050266915A1 (en) | 2005-12-01 |
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US11/137,772 Abandoned US20050266915A1 (en) | 2004-05-27 | 2005-05-26 | Gaming machine |
Country Status (9)
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US (1) | US20050266915A1 (en) |
EP (1) | EP1600904A3 (en) |
JP (1) | JP2005334352A (en) |
KR (1) | KR20060046212A (en) |
CN (1) | CN1706527B (en) |
AU (1) | AU2005202289A1 (en) |
EA (1) | EA008750B1 (en) |
SG (1) | SG117610A1 (en) |
ZA (1) | ZA200504304B (en) |
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US10373439B2 (en) | 2017-04-10 | 2019-08-06 | Aristocrat Technologies Australia Pty Limited | Systems and methods for playing an electronic game including merge and unmerge operations |
US11393297B2 (en) | 2014-08-10 | 2022-07-19 | Aristocrat Technologies Australia Pty Limited | Systems and methods for providing a feature game |
US11430298B2 (en) * | 2018-08-10 | 2022-08-30 | Aristocrat Technologies Australia Pty Limited | Systems and methods of electronic gaming including an upgradeable game object |
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AU2008229983B2 (en) | 2007-10-26 | 2010-07-15 | Aristocrat Technologies Australia Pty Limited | A gaming system and method of gaming |
TWI762767B (en) * | 2019-02-21 | 2022-05-01 | 尊博科技股份有限公司 | A game system with a mechanism for judging whether to trigger a three-dimensional re-turn |
CN111659100A (en) * | 2019-03-07 | 2020-09-15 | 尊博科技股份有限公司 | Game system with three-dimensional re-rotation mechanism judging whether to be triggered |
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Also Published As
Publication number | Publication date |
---|---|
CN1706527A (en) | 2005-12-14 |
SG117610A1 (en) | 2005-12-29 |
CN1706527B (en) | 2010-12-08 |
ZA200504304B (en) | 2006-04-26 |
EA200500729A1 (en) | 2005-12-29 |
EP1600904A3 (en) | 2005-12-21 |
EA008750B1 (en) | 2007-08-31 |
JP2005334352A (en) | 2005-12-08 |
KR20060046212A (en) | 2006-05-17 |
EP1600904A2 (en) | 2005-11-30 |
AU2005202289A1 (en) | 2005-12-15 |
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Legal Events
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AS | Assignment |
Owner name: ARUZE CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ISOGAI, RYO;HATAKEYAMA, DAISUKE;ITAGAKI, TAKEHISA;AND OTHERS;REEL/FRAME:017047/0018 Effective date: 20050818 |
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STCB | Information on status: application discontinuation |
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