JPH11319213A - Pachinko game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pachinko game machine capable of setting the lottery probability based on the result of a lottery probability setting game selectively operated by a player himself. SOLUTION: A player-selected screen of a probability switch setting pattern is displayed in a coin pattern before a condition device is operated after the occurrence of a big prize, and the player operates a selection button to select 'surface' or 'back'. 'Surface' or 'back' is set at random on the probability switch setting pattern in advance. If the 'surface' or 'back' selected by the player coincides with the 'surface' or 'back' set on the probability switch setting pattern, the lottery probability is shifted to a high probability. If they do not coincide with each other, the lottery probability is shifted to a low probability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pachinko game machine, and more specifically, a "big hit" symbol is displayed based on a selection result of a plurality of probability switching symbols displayed on a symbol display device provided on a game board. The present invention relates to a pachinko gaming machine for setting and controlling a lottery probability.

[0002]

2. Description of the Related Art In recent years, a pachinko game machine has a special symbol display device provided at the center of a game board or a display screen such as a combination of symbols displayed on a variable display section, which generates a special profit for a player. It has been known. For example,
The condition device called "big hit" is activated by the combination of symbols when the symbol of the special symbol display device fluctuates and stops, and the big winning opening provided below the game board surface is continuously opened, and during that time a large number of winning holes are opened. , A large amount of prize balls are paid out to the player.

In such a pachinko gaming machine, a lottery probability at which a "big hit" symbol is displayed is set as a low probability with a low probability of a "big hit" and a high probability with a high probability of a "big hit". The game ball is set to be switched each time a predetermined number of game balls drop into a predetermined gate, a winning opening, or the like provided on the board surface or a predetermined game situation occurs. As a result, the probability of the occurrence of the "big hit" changes, so that the player only needs to rotate the firing lever and continue the game without being conscious of refinancing the lottery probability. Therefore, the player pays attention only to the combination of the display symbols of the symbol display device which triggers the generation of the "big hit", and is interested only in whether the displayed symbol is "hit" or "losing".

[0004]

However, in such a pachinko gaming machine, the game operation after the player has fired a ball is automatically advanced in the game situation.
It is sufficient that the symbol display device displays "win" and a "big hit" occurs, but if no "big hit" occurs, the game lacks in amusement and is tired of the game. In addition, since the game situation is patterned, even if a "big hit" occurs as the game is repeated, the game itself gets tired and the frequency of visiting the game hall decreases. was there.

Further, since the setting of the lottery probability in the conventional pachinko gaming machine is automatically set upon the occurrence of a predetermined game situation, the player cannot participate in the setting of the lottery probability. There was a problem of feeling unsatisfactory.

SUMMARY OF THE INVENTION An object of the present invention is to provide a pachinko game machine in which a player himself can participate in a lottery probability at which a "big hit" of a symbol display device provided on a game board is generated. It is in.

[0007]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention provides a pachinko game machine in which a special benefit is given to a player by determining a "big hit" symbol on a symbol display device provided on a game board. In, a probability symbol selection operation means for selecting an arbitrary symbol from a plurality of probability symbols,
Symbol determining means for determining whether or not the probability symbol selected and operated by the probability symbol selecting operation means and the probability switching setting symbol displayed on the symbol display device coincide with each other; If it is determined that the symbol change has occurred, the gist of the present invention is to include a probability variation control means for switching and controlling the probability variation of the "big hit" symbol occurrence of the symbol display device.

According to the pachinko gaming machine having the above configuration, when the player selects and operates an arbitrary symbol from a plurality of probability symbols by the probability symbol selecting means, the selected symbol is one of the symbols displayed on the symbol display device. It is determined by the symbol determining means whether or not the symbols match, and if it is determined that the symbols match, the probability variation of the symbol in which the "big hit" occurs is switched and controlled. In this way, the lottery probability of the symbol display device can be switched in a state in which the player's own operation is involved.

A pachinko gaming machine according to a second aspect of the present invention is a condition machine operation display in which the display of a plurality of probability symbols by the probability symbol selection operation means is displayed at a timing before the condition device is activated by a "big hit". It is intended to provide means. According to the invention,
The probability symbol displayed by the probability symbol selection display means,
Since the condition display before the "big hit" symbol is displayed on the symbol display device is displayed until the condition device is activated, the player can enjoy the game by performing a game for determining the lottery probability by his / her own selection. In addition, it is possible to provide a gaming machine having high entertainment properties.

A pachinko game machine according to claim 3 is
It is a gist of the present invention to provide a post-condition device operation end display means for displaying a plurality of probability symbols by the probability symbol selection operation means during an interval after the operation of the condition device due to occurrence of a "big hit" is completed. . According to the present invention, the plurality of probability symbols displayed by the probability symbol selection operation means are displayed during the interval after the operation of the condition device accompanying the occurrence of the "big hit" is completed, so that in the subsequent game situation The player himself / herself can determine the lottery probability in the game, and a new interest is obtained.

The symbol for setting the probability switching set to be determined by the symbol determining means selects a value from the random number for the probability variation at the timing after the occurrence of the "big hit" as in the invention according to claim 4. A probability variation selecting means for setting whether or not to perform the probability variation depending on whether or not the random number value matches a predetermined value; and selecting the probability symbol when the probability variation is selected by the probability variation selecting means. Probability symbol display control which displays the same probability symbol as the probability symbol selected and operated by the operation means, and displays a probability symbol different from the probability symbol selected by the probability symbol selection operation means when the probability is not changed. Means. As a result, it is possible to efficiently control the fluctuation of the lottery probability and to provide a gaming machine having an unprecedented interest.

In the case where an arbitrary symbol has not been selected from a plurality of probability symbols displayed by the probability symbol selection operation means, the probability symbol is automatically selected. It is preferable to provide an automatic selection unit that can be set at random by using the random number for probability variation as described above. As a result, the possibility that the lottery probability fluctuates may vary even if any symbol is selected.
If not done, it is fair and the player's satisfaction is high.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view of the pachinko gaming machine according to the present embodiment. The pachinko gaming machine 10 includes a gaming machine frame 11 serving as a base of the front face of the gaming machine, and a metal frame 12 is fitted on an inner peripheral edge of an opening formed in a frame shape of the gaming machine frame 11. A glass door 14 that covers the front of the game board 13 is provided to be openable and closable.

At a position below the glass door 14, a receiving tray (upper receiving tray) 15 for storing game balls to be supplied to the hit ball firing device is attached.
A ball tray (lower tray) 16 for storing balls overflowing from the upper tray 15 when a prize ball (hereinafter referred to as a prize ball) is discharged is provided. The game balls in the upper tray 15 are pulled out toward the lower tray 16 by operating the ball release button 17 provided on the upper tray 15, and the game balls stored in the lower ball tray 16 are discharged to the outside of the gaming machine. In this case, the user operates a ball slide button provided on the front surface of the lower ball tray 16.

At the right side in the drawing of the lower tray 16 located below the gaming machine frame 11, a firing lever 20 for firing a game ball toward the game board 13 is provided. Is provided with a single shot switch 21 for firing a game ball for each ball. The degree to which the game ball is fired and fired toward the game board 13 is adjusted in accordance with the amount by which the firing lever 20 is turned, and the firing power is turned on upon detection of a predetermined turning position. I have.

At the left side of the lower tray 16 located below the gaming machine frame 11 in the drawing, there is provided a selection button 19 on which "front" and "back" for selecting a lottery probability to be described later are described. When the player presses either the "front" or "back" button, the lamp is lit, and the pressed "front" or "back" button is lit.

A frame top decoration 22 composed of a lens body made of synthetic resin is provided from the upper side edge of the gaming machine frame 11 to the right side edge in the drawing.
, And a key decoration lamp 25 for decorating the periphery of the keyhole 24 for opening and closing the glass door 14.

On one side of the pachinko gaming machine 10, a ball lending machine (hereinafter, referred to as a "prepaid card unit") 30 using a prepaid card is provided for each gaming machine. In response to the installation of the prepaid card unit 30, the upper tray 15 of the pachinko gaming machine 10 includes:
A ball lending operation unit 31 for performing a lending operation of a game ball with a prepaid card is provided, a ball lending button 32 for operating a ball lending with a prepaid card, a ball lending button lamp 33 indicating a possible state of ball lending, a prepaid card. A card return button 34 for discharging the card, a frequency display section 35 for displaying the balance of the prepaid card, and displaying an error are provided.

When the prepaid card is used, the prepaid card is inserted into the card slot 37 while the card availability indicator lamp 36 provided in the prepaid card unit 30 is lit, and the amount setting button 38 is operated. (100 yen, 200 yen, 300 yen, 5
00 yen). The upper tray 15
By operating the ball lending button 32 of the ball lending operation unit 31 provided for the player, a game ball of a preselected amount is lent.

The game board 13 provided on the front of the game machine frame 11 has a metal inner rail 40 mounted on a game board,
The outer rail 41 for guiding the game ball fired from the hit ball firing position toward the board, and the game ball fired on the game board 13 returns to the firing rail or the hit ball firing position again by the bouncing action. Prevention of foul stop 42, return rubber 4 for dropping fired game balls below the surface of game board 13
The periphery is constituted by 3 and the like, and a game area is formed inside.

FIG. 2 is a front view of the game board 13 shown in FIG. 1 ((a) arrangement of various winning devices and symbol display devices on the game board surface, (b) symbol display device). The pachinko gaming machine 10 is provided with a special symbol display device 50 at the center of the game board 13 surface, and the upper half area of its display screen has a left symbol 50a and a right symbol 50 that can be individually varied.
b, a symbol pattern 50c is provided, and a symbol display area 50d in which various character symbols and the like are displayed in a lower half area.
Is provided.

The semi-circular decorative frame formed on the upper part of the decorative frame 52 surrounding the periphery of the special symbol display device 50 has a digital display of seven segments from "0" to "0".
An ordinary symbol display device 54 for displaying any number up to “9” is provided. And this special symbol display device 5
At a position directly below 0, a first-type start winning opening 56 of a variable wing type, which is an ordinary electric accessory, is provided. Further, below the first-type start winning opening 56, a special electric winning opening 58 which is normally closed and a specific area winning opening 59 which can win when the large winning opening 58 is opened. Equipped with accessories.

On the left and right of the large winning opening 58, there are provided a left winning opening 60 and a right falling winning opening 61, which are ordinary winning openings, and a left sleeve winning opening 62 and a right sleeve winning opening are provided above them. 63 are provided. When a game ball wins in one of these winning openings, the first-type starting winning opening 56 and the left and right drop winning openings 60 and 61, the left sleeve winning opening 62 have six, the right sleeve winning opening 63 has eight, and the large winning opening. In the 58 and the specific area winning opening 59, 15 prize balls are paid out, respectively.

Further, on the game board 13 surface, on the left and right sides of the special symbol display device 50, a left gate 63 for activating the symbol change of the ordinary symbol display device 54 by passing a game ball,
A right gate 64 is provided. These left and right gates 63, 64
Are passed to the lower portion of the inner frame of the decorative frame 52 formed in a mortar shape, and are dropped again on the game board 13 by a motor-driven guide member 65 provided at the center thereof.

On the surface of the game board 13, in addition to the symbol display device and various prize holes, the falling direction of a game ball shot and fired by a player can be changed at random or the flow speed can be changed. Windmills 66, 66 and ramp windmills 67,
67 and the like are provided. As a result, the game balls fired and fired fall down while rolling in the game area of the game board 13 and enter the above-mentioned various prize ports, or open at the bottom of the game area if no prize is made anywhere. It is discharged to the back side of the game board 13 at the discharged outlet 68.

FIG. 3 is a view showing the outflow paths and the arrangement of various switches, solenoids and the like on the back of the game board of the game balls passing through various winning ports and gates on the face of the game board 13. As shown in FIG.
In the outflow path of the winning prize, there is provided a first-type start-up switch 89 for detecting the winning, and
The counting switch 9 is provided on the outflow path of the winning ball in FIG.
0 is provided, and a specific area switch 91 for detecting the winning is provided in the outflow path of the winning ball in the specific area winning opening 59. A left gate switch 92 and a right gate switch 93 for detecting the passage of the game ball in the left and right gates 63 and 64 are provided.

Further, a solenoid 94 for a normal electric accessory that opens and closes the first-type start winning opening 56, a solenoid 95 for opening and closing the special winning opening 58 that opens and closes the special winning opening 58, and a specification that opens and closes the special region winning opening 59. A solenoid 96 for opening the area door is provided, and a guide member driving motor 97 for vertically moving the guide member 65 provided at the lower portion inside the decorative frame 52 is also provided.

On the other hand, a prize detection switch 98 is provided on the outflow path of the winning ball in the right sleeve winning opening 63, and the outflow path of the winning ball in the left and right winning opening 60, 61 and the left sleeve winning opening 62 is provided in the leftward winning opening 63. Although no prize detection switch is provided, since the total number of prize balls is counted by the safe sphere detection switch 99 provided in the safe sphere discharge mechanism 98, six prize balls are paid out by the number difference. It has become so.

FIG. 4 is a control block diagram showing an electrical connection relationship between various control boards, switches, solenoids, and the like in the gaming machine. As can be seen from this control block diagram, the special symbol control board 50e of the special symbol display device 50
Are directly connected to the main control board 100, and the control and operation of the display symbols are controlled and instructed by the main control board 100.

The special winning opening board 102 for controlling the operation of opening and closing the special winning opening 58 is connected to the main control board 100 via the relay board 104. The special winning opening substrate 102 includes a counting switch 90 and a specific area switch 91 for detecting a winning of a game ball to the special winning opening 58.
Is connected, and a special winning opening opening solenoid 95 that opens and closes the special winning opening 58 in response to a control instruction from the special winning opening substrate 102, and also receives a specific region winning in response to a control instruction from the special winning opening substrate. A specific area door opening solenoid 96 that opens and closes the opening 59 is connected.

The relay board 104 is connected to a normal symbol control board 54a for instructing the operation of the normal symbol display device 54, and a left gate switch for detecting the passage of a game ball to the left and right gates 63, 64. 92, a switch 93 for the right gate, and a switch 89 for the first-type starting port that detects winning in the first-type starting winning port 56 are connected. Further, a solenoid 94 for an ordinary electric accessory and a motor 97 for driving an induction member
These are connected to the main control board 100 via the relay board 104, and exchange control instructions and data.

On the other hand, the CR award ball payout control board 106 is directly connected to the main control board 100. The CR prize ball payout control board 106 is provided in the safe ball discharge mechanism 98,
A safe ball detection switch 99 for detecting a winning ball in each winning port provided on the game board 13 and a safe ball discharge solenoid 107 are connected. Further, in the prize ball payout mechanism, a prize ball motor 108 and a photosensor 109 for detecting the number of prize ball payouts are connected via a prize ball payout distribution board 110.

Although various boards, switches, and the like are connected to the gaming machine in addition to the above-described ones, the illustrations are omitted here.

FIG. 5 is a control flowchart showing a game operation in the pachinko gaming machine 10. When the game ball fired at the start of the game passes through one of the left and right gates 63 and 64 provided on the game board 13 (S10, S1)
2 "YES"), the ordinary symbol display device 54 starts to change (S14). The symbols displayed on the ordinary symbol display device 54 are set to numbers from “0” to “9”, and “1, 3, 5, 7, 9” are called “hit symbols”,
When these numbers are displayed, the first-class start winning opening 56
Is opened for a short time.

The normal symbol display device 54 stops after a lapse of a predetermined time (for example, 6 seconds), and displays any symbol (number) from "0" to "9". Then, the normal symbol display device 54 displays the “hit” symbol (1, 3, 5, 7, 9, 9).
Is displayed (S22 “YES”), the first-class start winning opening 56 is opened once for 0.3 seconds (S22).
24). The lottery probability at which any of the "winning" symbols is displayed is 5/10.

When a game ball wins in the opened first kind start winning opening 56 (S26 "YES"), the winning signal is received and a detection signal is outputted from the first kind start winning opening switch 54, and six pieces are detected. Prize balls are paid out. At the same time, the symbols 50a, 50b, and 50c of the special symbol display device 50 start to change (S28).

Then, each of the symbols 50a, 50b, 50
When 5.8 seconds have passed since the start of the fluctuation of c, the fluctuation stops and a symbol is displayed. If the combination of the symbols displayed here is any of the combinations shown in Table 1 (S30 "YES"), a special game situation called "big hit" occurs, and the condition device Operates (S32).

[0038]

[Table 1]

The special symbol display device 50 has a low probability (1/337) that the probability of displaying the "big hit" symbol is low.
And two high-probability (5/337) lottery probabilities in which the "big hit" symbol is likely to be displayed. The lottery probability is set to a low probability at the time of initial setting at the start of the game, and thereafter, the player performs the game for determining the lottery probability, so that the lottery probability changes. When the lottery probability of the special symbol display device 50 shifts from a low probability to a high probability, the symbol change time in the special symbol display device 50 is shortened, and is reduced from the conventional 5.8 seconds to 5.8 seconds.
Move to 0 seconds.

In the control flow chart shown in FIG. 5, the game ball fired in S10 is replaced by the gate 6
When the player wins any one of the winning ports provided on the game board 13 without passing through the slots 3 and 64 (S12 “N
O ", S16), as shown in S26, when the first-type start winning opening 56 is not won (S2).
6 "NO"), the number of prize balls set for each winning port is paid out (S16 "YES", S18), and if no prize is won, it becomes "losing" (S20). Is discharged from

When the ordinary symbol display device 54 does not display the "hit" symbol in S22 (S22).
22 "NO"), and when the special symbol display device 50 does not display any of the "big hit" symbols shown in Table 1 in S28 (S30 "NO"), it is referred to as "losing" (S34). ), The game situation does not change.

FIG. 6 is a control flowchart showing the operation of the condition device which is operated in accordance with the occurrence of the "big hit" in S32 shown in FIG. When the condition device is operated in accordance with the occurrence of the "big hit", the special winning combination 58, which is a special electric accessory, is opened (S40), and a special game situation associated with the "big hit" starts. In the large winning opening 58, a game situation occurs in which 20 seconds have elapsed since opening, or 10 gaming balls are won in the large winning opening 58 (S42 "YES"), or One game ball passes through the specific area winning opening 59 ("YES" in S44).
Even during the opening time, or in the special winning opening 58
The game is closed without winning any winnings (S46).

If the game ball does not pass through the specific area winning opening 59 shown in S44 ("NO" in S44), the above operation is repeated until the game situation shown in S42 and S44 occurs. Then, the operation of the accessory is repeated until the number of consecutive operations reaches 16 (S48 "NO"), and the operation of the condition device is terminated (S50) if the number of operations of the accessory is satisfied.

FIG. 7 is a player selection screen of a probability switching setting symbol for switching the lottery probability displayed on the pachinko gaming machine 10. When one of the “big hits” symbols shown in Table 1 is displayed on the special symbol display device 50, a “big hit” is displayed.
Is generated and the condition device is activated, but during the period from the occurrence of this "big hit" to the activation of the condition device, a game for the player himself to set the lottery probability is displayed on the special symbol display device 50. The selected player selection screen is displayed.

The display of the player selection screen is started immediately after the "big hit" symbol is displayed on the special symbol display device 50 and the occurrence of the "big hit" is notified to the player. Each symbol 50 previously displayed on the special symbol display device 50
The distinction between a, 50b, 50c and the symbol display area 50d is temporarily deleted, and as shown in FIG.
Are displayed on one side, two coin symbols with "front" and "back" are described. Further, along with the display of the coin symbol, an instruction to prompt the player to select “front” or “back” (for example, “front”
"Please select back" with button "etc.) is displayed.

Then, the player presses either one of the selection buttons 19 shown in FIG. 1 in which "front" and "back" are described, and selects "front" and "back". This selection button 1
When any one of “front” and “back” is selected and pressed, the pressed button is lit and displayed, and the special symbol display device 5 is displayed.
The coin symbol displayed at 0 is also illuminated. For example, when the player selects “front” in response to an instruction to select “front” or “back” displayed on the special symbol display device 50 and presses “front” of the selection button 19, the selection button 19 The "table" is illuminated and displayed, and the coin symbol (left side in the figure) on which the "table" is written on the special symbol display device 50 is also illuminated and displayed.
It is configured so that either “front” or “back” is selected.

Incidentally, the player selection screen of the symbol for setting the probability switching is erased when a predetermined time (for example, 5 seconds) elapses after being displayed, and the condition device associated with the occurrence of the "big hit" is activated. Therefore, during this time, the player
You have to select either "back". However, when the player does not select “front” or “back” within the time, any one of “front” and “back” is automatically selected.

FIG. 8 is a control flowchart for switching and setting the lottery probability of occurrence of a “big hit” in the pachinko gaming machine 10. The player selection screen (shown in FIG. 7) of the probability switching setting symbol on which the game for switching and setting the lottery probability is displayed is as follows: 1. After the "big hit" is generated, the condition device is activated and the big winning opening Until 58 is released, 2.
3. While the continuous winning action occurs due to the occurrence of the "big hit" and the opening / closing operation of the special winning opening 58 a predetermined number of times, 4. the hitting / losing of the special symbol display device 50. It can be displayed even during the demonstration screen to be determined. Here, 1. "Big hit"
The operation from when the condition device is activated until the special winning opening 58 is opened will be described as an example.

When a "big hit" occurs with any of the symbol combinations shown in Table 1 (S60), the special symbol display device 50 displays the probability switching setting symbol shown in FIG. Is displayed (S61). On this player selection screen, as described above, two coin symbols with “front” and “back” are described, and “front” is displayed for the player.
An instruction to select “back” is displayed (S62). When the player selects either "front" or "back" and presses the selection button 19, the button is lit and the coin symbol displayed on the special symbol display device 50 is illuminated (S63). .

If "front" or "back" is not selected within a certain period of time (for example, 5 seconds) after the player selection screen for the probability switching setting symbol is displayed, the "over" and "over" are automatically performed as time over. "Back" will be selected.

The "table" by the player (or automatically)
When any of the "back" is selected, the selected "front"
"Back" and "Front" set in advance for the probability switching setting symbol
It is determined whether or not “back” matches (S64).
It should be noted that which of “front” and “back” is set in advance in the symbol for setting the probability switching is not a specific one, but is set at random because it is selected each time the “big hit” determination shown in S60 is performed. It is configured to be.

Then, the "front" or "back" selected by the player on the player selection screen matches the "front" or "back" preset in the probability switching setting symbol (S65).
If “YES”), the lottery probability after the operation of the condition device associated with the “big hit” is changed from the previously set low probability to the high probability (S66). If a high probability has been set up to now, the high probability is set again.

However, the "front" or "back" selected by the player and the "front" previously set to the probability switching setting symbol
Or, when "back" does not match (S65 "NO")
That is, a low probability is set as the lottery probability after the operation of the condition device is completed (S68). And S6
As shown in 6 and S68, when a high probability or a low probability is set, the condition device is activated (S67), and a special game situation associated with the "big hit" is started.

FIG. 9 is a control flowchart showing the setting of “front” or “back” in the probability switching setting symbol of the special symbol display device 50. In the present embodiment, it is assumed that whether or not the lottery probability is changed is first set, and then "front" or "back" in the probability switching setting symbol is set, and this is described as the first embodiment. I do. “Front” or “back” previously set in the probability switching setting symbol is set using a random number for probability change. The random number for probability variation is always repeatedly counted at a fixed period from a value of “0” to, for example, “337” after the power of the gaming machine is turned on.
Then, a "big hit" occurs in the game situation (S70).
When the "big hit" occurs, one value is selected from the random number for probability variation (S71).

When the value of the random number for probability variation selected here is an odd number ("YES" in S72), "variable in probability" is set (S73). Along with this setting, the special symbol display device 50 displays the player selection screen of the probability switching setting symbol shown in FIG.
"Back" is selected (S74).

In S74, it is determined whether the player has selected “front” or “back” (S7).
5). Here, since “probability fluctuates” is set in S73, the “top” or “back” selected by the player with the player selection symbol and the symbol for probability switching setting are set. The "front" or "back" must match. Therefore, it is set to display the same symbol as the “front” or “back” selected by the player in S74 (S7).
6).

In other words, if "probability fluctuates" is set in S73, if the player selects "front", the probability switching setting symbol is also set to "front", and the player is set to "back". Is selected, the symbol for probability switching setting is also set to "back".

Then, when the "front" or "back" selected by the player matches the "front" or "back" set in the probability switching setting symbol, the lottery probability at which a "big hit" occurs Shifts to a high probability (S77). The setting period of the high probability state is from the end of the operation of the condition device accompanying the occurrence of the “big hit” to the occurrence of the next “big hit”. And after the lottery probability is set by the above,
The condition device is activated (S78).

If the random number for probability variation selected in S71 is an even number ("NO" in S72), "No probability variation" is set (S80). As described above, the special symbol display device 50 displays the player selection screen for the probability switching setting symbol, and the player selects either "front" or "back" (S81).

When "no change in probability" is set as shown in S80, "front" or "back" selected by the player and "front" or "back" set in the probability switching setting symbol are set. "Does not match. Therefore, S81
It is determined whether the player has selected “front” or “back” (S82). If the player has selected “front”, “back” is set in the probability switching setting symbol, The player is "back"
Is selected, "table" is set in the probability switching setting symbol.

That is, it is set so that the symbol opposite to the "front" or "back" selected by the player in S81 is displayed (S83). As a result, since the “front” or “back” selected by the player does not match the “front” or “back” set in the probability switching setting symbol, the lottery probability shifts to a low probability. (S84). Thereafter, the condition device associated with the "big hit" operates (S78).

As described above, in the first embodiment,
Using the random number for lottery probability change at the same time as "big hit" occurs, first, select whether to change the lottery probability,
If "change probability" is selected, the same symbol as the player has selected ("table" if the player has selected "table") is set as the probability switching setting symbol, and "the probability does not change". Is selected, a symbol different from that selected by the player ("back" if the player has selected "front") is set.

FIG. 10 is a control flowchart showing the setting of “front” or “back” in the probability switching setting symbol. First, “second” for setting “front” or “back” in the probability switching setting symbol is set. This is an example. As shown in the first embodiment, when a "big hit" occurs in the special symbol display device 50 (S90), one value is selected from the random number for probability variation at the same time (S91).

If the random number for probability variation selected here is an odd number ("YES" in S92), "table" is set in the symbol for setting probability switching (S93). Along with this setting, the special symbol display device 50 displays the player selection screen for the probability switching setting symbol shown in FIG. 7, and the player selects either “front” or “back”. (S9
5).

In S93, it is determined whether the player has selected “front” or “back” (S9).
6) If the player has selected “front”, the symbol selected by the player matches the symbol set as the probability switching setting symbol (S97 “YES”). Thereby, the lottery probability shifts to a high probability (S98). However, the player is "back"
Is selected (S97 "NO"), the lottery probability shifts to a low probability (S100).

When the lottery probability is set, the condition device associated with the occurrence of the "big hit" is activated (S99). Also,
If the random number for probability variation selected in S91 is an even number ("NO" in S92), "back" is set in the symbol for setting the probability switching. Then, as described above, it is determined whether the player has selected “front” or “back” (S95, S96).

If the player selects "back" in S95 (S97 "YES"), the lottery probability is increased to a high probability because the pattern matches the probability switching setting symbol set in S94. The process proceeds (S98). Also, if the player
Is selected (S97 "NO"), since the symbol does not match the probability switching setting symbol, the lottery probability shifts to a low probability (S100). When these lottery probabilities are set, the condition device is activated (S99).

When the player does not press the selection button, that is, when the player does not select “front” or “back”, the player automatically selects “front” using the random number for probability change.
Select "Back" and set. As an example of the selection method, a value is selected from the random numbers for probability change at a point in time when a certain time has elapsed (for example, 6 seconds) after the selection screen of the selection pattern for probability switching shown in FIG. If the value is odd, “front” is selected, and if the value is even, “back” is selected.

As described above, in the second embodiment, when the "big hit" occurs, either "front" or "back" is set in advance in the probability switching setting symbol, and thereafter, the player With the player selection screen ("front" or "back")
select. If they match, the lottery probability shifts to a high probability, and if they do not match, the lottery probability shifts to a low probability. This has an effect of giving an expectation that the player can set the lottery probability by himself.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, it is possible to change the display timing of the player selection screen in the probability switching setting symbol, the display symbol, the selection method by the player, and the symbol switching setting symbol design method at any time. Thereby, the entertainment is further increased, and an effect of further enhancing the interest of the player can be obtained.

[0071]

According to the pachinko gaming machine according to the first aspect of the present invention, the player himself / herself selects an arbitrary symbol ("front" or "back" coin symbol) by operating the selection button. If the selected symbol and the symbol "front" or "back" preset in the special symbol display device match, the lottery probability is set to a high probability. Is set, the player can enjoy changing the lottery probability with his own operation. In addition, since the next lottery probability is set without impairing the game feeling, it is possible to provide a gaming machine with high entertainment properties.

At this time, as in the second aspect of the present invention, the selection screen for the probability switching setting symbol for switching the lottery probabilities is displayed between the occurrence of the "big hit" and the activation of the condition device. Alternatively, as in the invention described in claim 3, it is preferable to display the information during the interval from the end of the operation of the condition device accompanying the occurrence of the "big hit" to the start of the next game. As a result, a further interest can be obtained, and it is possible to produce an unprecedented game.

According to the pachinko game machine of the fourth aspect, the special symbol display device is set in advance ("table").
"Back") The selection of the symbol and the setting of whether or not to perform the probability variation are set using the random number for the probability variation, so that the selection setting of the "front" and "back" can be efficiently performed, Furthermore, by using random numbers, the selection setting of the "front" and "back" symbols set in the special symbol display device is set at random. Therefore, it is possible to provide a gaming machine that does not get tired.

If any of the symbols "front" and "back" are not selected by the player within the predetermined time, the probability symbol "front" is automatically set as in the fifth aspect of the present invention.
It is preferable that any one of “back” is selected. This enables a fair game, so that the player can enjoy the game.

[Brief description of the drawings]

FIG. 1 is an external view of a pachinko gaming machine according to an embodiment of the present invention.

2 (a) and 2 (b) are detailed configuration diagrams of a game board surface of the pachinko gaming machine shown in FIG.

FIG. 3 is a view showing an outflow path of game balls and an arrangement state of various switches, solenoids, and the like on the back of the game board of the gaming machine.

FIG. 4 shows various control boards and switches in the gaming machine;
FIG. 3 is a control block diagram illustrating an electrical connection relationship of solenoids and the like.

FIG. 5 is a control flowchart showing game contents in the gaming machine.

FIG. 6 is a control flowchart showing the operation of the condition device accompanying the occurrence of the “big hit” as a continuation of the control flowchart shown in FIG. 5;

FIG. 7 is a player selection screen of a probability switching setting symbol displayed on the gaming machine.

FIG. 8 is a control flowchart for switching and setting a lottery probability of occurrence of a “big hit” in the gaming machine.

FIG. 9: “front” or “back” in a probability switching setting symbol
Is a control flowchart showing the setting of the first embodiment as a first embodiment.

FIG. 10 is a control flowchart showing setting of “front” or “back” in a probability switching setting symbol as a second embodiment.

[Explanation of symbols]

 10 Pachinko machine 13 Game board 19 Selection button 50 Special symbol display device 54 Ordinary symbol display device 58 Big winning opening

Claims (5)

[Claims] 1. In a pachinko gaming machine in which a special benefit is given to a player by determining a “big hit” symbol on a symbol display device provided on a game board surface, an arbitrary symbol is selected from a plurality of probability symbols. Probability symbol selection operation means, symbol determination means for determining whether or not the probability symbol selected and operated by the probability symbol selection operation means and the probability switching setting symbol displayed on the symbol display device match, A pachinko gaming machine comprising: a probability variation control means for switching and controlling the probability variation of the "big hit" symbol occurrence of the symbol display device if the symbol determination means determines that they match. 2. A condition device pre-operation display means for displaying a plurality of probability symbols by the probability symbol selection operation means at a timing before the condition device by "big hit" is activated. The pachinko gaming machine described in the above item. 3. A post-condition device operation end display means for displaying a plurality of probability symbols by the probability symbol selection operation means during an interval after the operation of the condition device due to occurrence of a "big hit" is completed. The pachinko gaming machine according to claim 1. 4. A symbol for setting probability switching, which is to be determined by the symbol determination means, selects a value from a random number for probability variation at a timing after the occurrence of the “big hit”, and the random number value is set to a predetermined value. Probability variation selection means for setting whether or not to perform the probability variation depending on whether or not the coincidence, the probability symbol selected and operated by the probability symbol selection operation means when the probability variation is selected by the probability variation selection means, The display device further comprises: a probability symbol display control unit that displays the same probability symbol and displays a probability symbol different from the probability symbol selected by the probability symbol selection operation unit when the probability is not changed. Item 7. A pachinko gaming machine according to item 1, 2, or 3. 5. The random number for probability variation is used such that the random symbol selection operation means automatically selects an arbitrary random symbol when an arbitrary symbol is not selected from the plurality of random symbols. The pachinko gaming machine according to claim 4, further comprising an automatic selection means which can be set at random.