JP5927479B2 - Game machine - Google Patents

Description

  The present invention relates to a gaming machine capable of expanding a detection area of a magnetic detection means in order to prevent fraud by a magnetic generating member such as a magnet.

  2. Description of the Related Art Conventionally, there has been known an illegal act in which a player uses a variety of equipment and illegally obtains a ball for a gaming machine such as a pachinko gaming machine. As a fraudulent act, for example, there is a method in which a player uses a magnet to attract a game ball from the front of the game frame and guide it to a special area (for example, a start port). In addition, a large number of game balls are adsorbed and held by magnets on the upper side of an opening / closing member that opens and closes a special area (for example, a big prize opening), and the held game balls are held in accordance with the timing at which the opening / closing member is opened. There is also a method of dropping a prize to a special area and winning a prize.

  In order to prevent such an illegal act, for example, Patent Document 1 below describes a gaming machine including a magnetic sensor (magnetic detection means). In the gaming machine described in this document, the magnetic sensor is disposed in the vicinity of the center accessory or chucker and at the approximate center behind the gaming board. As a result, when the player brings the magnet close to the center role or the chucker, the magnetic sensor detects a change in magnetic flux density (change in the magnetic field) generated from the magnet and can detect an illegal act.

JP 2008-173156 A

  However, even in a gaming machine equipped with a magnetic sensor, there are regions where the magnetic sensor is difficult to detect changes in magnetic flux density, and it has been difficult to reliably prevent fraudulent acts caused by magnets. This is based on the following reason. For example, as shown in FIGS. 18A and 18B, the big prize device 531 has an opening / closing member 532 (movable member) for opening and closing the big prize opening 530 and a big prize opening solenoid 533 (moving member) for driving the opening / closing member 532. Drive source). The big prize opening solenoid 533 drives the opening / closing member 532 by electromagnetic force, and thus generates a magnetic flux around itself when it operates.

  For this reason, the magnetic sensor 545 cannot be arranged in the arrangement prohibition area S1 around the special winning opening solenoid 533. If the magnetic sensor 545 is arranged in the arrangement prohibition region S1, the magnetic sensor 545 senses a change (increase) in the magnetic flux density due to the magnetic flux generated when the special winning opening solenoid 533 is operated, and erroneous detection is caused. is there. Therefore, it is necessary to arrange the magnetic sensor 545 in the arrangement possible area S2 that is outside the arrangement prohibition area S1.

  However, since the magnetic sensor 545 is limited in terms of cost performance, the number and size that can be installed, the detection region V1 (detectable range) of the magnetic sensor 545 is relatively narrow. For this reason, as shown in FIG. 18 (A), the magnetic sensor 545 must be arranged on the outside, the lower, the left, and the right with respect to the big prize opening solenoid 533 outside the arrangement prohibited area S1. Accordingly, there is a region where the magnetic sensor 545 is difficult to detect a change in magnetic flux density. That is, by arranging the magnetic sensor 545 having a narrow detection area V1 outside the arrangement prohibition area S1, there is an area where it is difficult to detect a change in magnetic flux density due to fraud.

  The present invention has been made in view of the above circumstances. In other words, in the gaming machine in which the magnetic detection means is arranged outside the prohibited area around the drive source, the detection area of the magnetic detection means is expanded to change the magnetic flux density due to fraud. It is to reduce the areas that are difficult to detect.

  The present invention takes the following means in order to solve the above problems. In the description of the means described below, the corresponding configuration names and expressions in [Description of the Invention], which will be described later, and reference numerals used in the drawings are added in parentheses for reference. However, the constituent elements of the present invention are not limited to this supplementary note.

The invention according to means 1
A gaming machine (pachinko gaming machine 1) to which a predetermined profit is given to a player when a gaming medium (game ball) enters a special area (first big prize opening 30) provided in the gaming area (3) Because
A movable member (opening / closing member 32) that can be driven as the game progresses;
A drive source for driving the movable member (first big prize opening solenoid 33);
Magnetic detecting means arranged in an arrangement possible area (arrangement area R2) that is not actuated by magnetic flux generated by the operation of the drive source outside the arrangement prohibition area (arrangement inhibition area R1) around the drive source. (Magnetic sensor 45);
A detection region expansion member (magnetic plate 70) made of a magnetic material and expanding the detection region (detection region R3) of the magnetic detection means,
The detection area expanding member is arranged in the arrangementable area, and a part thereof (side part 70b and rear part 70c) is arranged in the detection area. It is a featured gaming machine.

  According to the invention relating to means 1, when the magnetism generating member approaches the detection area expanding member outside the detection area of the magnetic detection means, the detection area expanding member made of a magnetic material is magnetized. At this time, since a part of the detection area enlarging member is disposed within the detection area of the magnetic detection means, the magnetic flux emitted from a part of the detection area enlarging member is detected by the magnetic detection means. That is, even if the magnetism generating member is located outside the detection area of the magnetism detection means, the change in magnetic flux density caused by the magnetism generation member can be detected by the detection area expanding member and the magnetism detection means. In this way, the detection area of the magnetic detection means can be enlarged by the detection area enlargement member, and the area where it is difficult to detect a change in magnetic flux density due to fraud can be reduced.

The invention according to means 2
A gaming machine according to means 1, wherein
The detection area expanding member includes a game area front part (front part 70aa) located in front of the game area (game area 3),
The game area front part includes a game ball visual recognition part (notch 70a1) that makes it possible to visually recognize the game balls (game balls Y1, Y2) that roll behind the game area.

  According to the invention relating to the means 2, since the game area front portion of the detection area expanding member is located in front of the game area, it is closer to the magnetism generating member approaching from the front side. Therefore, it becomes easy to magnetize a detection area expansion member by the magnetic flux which arises from a magnetism generation member, and it becomes possible to prevent an improper act by a magnetism generation member approaching from the front side more certainly. Even when the game ball rolls behind the front part of the game area, the player can sufficiently grasp the movement of the game ball by the game ball visually recognizable part. Therefore, it is possible to achieve both the illegal detection of the magnetism generating member approaching from the front side and the ensuring of the visual recognition of the game ball.

The invention according to means 3 is
A gaming machine according to means 2, wherein
The special area is a special prize opening (first big prize opening 30),
The movable member is an opening / closing member (opening / closing member 32) for opening and closing the special prize opening.
The drive source (first big prize opening solenoid 33) is operated so that the opening and closing member opens and closes in a manner in which a winning to the special prize opening is not expected based on establishment of a predetermined condition (winning of 2R specific jackpot) Drive source control means (game control microcomputer 81) to be
The game area front portion (front portion 70aa) is located in front of the opening and closing member,
The gaming ball visual recognition part (notch 70a1) is a gaming machine in which a part of the front part of the gaming area is opened.

  According to the invention relating to the means 3, since a part of the front portion of the game area is opened, it is possible to sufficiently grasp the movement of the game ball that rolls around the special winning opening. In particular, in the present invention, even if the opening / closing member is opened and closed in such a manner that a special winning opening cannot be expected, it is difficult to see the opening / closing operation of the opening / closing member by the front portion of the game area. Therefore, it is possible to make it difficult to recognize the opening / closing operation of the opening / closing member that does not need to be shown.

The invention according to means 4 is
A gaming machine according to any one of means 1 to 3,
The special area includes a first special area (first big prize opening 30) and a second special area (second big prize opening 35),
The first special region is disposed in the vicinity of a self-detection region (self-detection region R3) in which a magnetism generating member can be detected only by the magnetic detection means regardless of the presence or absence of the detection region expansion member.
The gaming machine is characterized in that the second special area is arranged in the vicinity of an enlarged detection area which is a detection area enlarged by the detection area enlargement member.

  According to the invention relating to the means 4, the magnetic detection around the first special area is performed by the magnetic detection means, and the magnetic detection around the second special area is performed by the detection area expanding member and the magnetic detection means. Can be done. Therefore, even around two or more special areas, the detection area enlarging member and one magnetic detection means can prevent illegal acts by the magnetism generating member in a wide range.

  According to the present invention, in a gaming machine in which the magnetic detection means is arranged outside the arrangement prohibition area around the drive source, the detection area of the magnetic detection means is enlarged, and an area in which it is difficult to detect magnetism due to fraudulent acts. It becomes possible to reduce.

1 is a front view of a gaming machine according to an embodiment of the present invention. FIG. 2 is an enlarged view of a portion A shown in FIG. 1 and is a view showing display devices provided in the gaming machine. It is a block diagram which shows the electrical structure by the side of the main control board of the same gaming machine. It is a block diagram which shows the electrical structure by the side of the sub control board of the same gaming machine. It is a table | surface which shows a response | compatibility etc. with the type of winning and the opening pattern of a big prize opening. It is a table | surface which shows the various random numbers which the microcomputer for game control acquires. (A) is a jackpot determination table, (B) is a jackpot type determination table, (C) is a reach determination table, (D) is a normal symbol per determination table, and (E) is a normal symbol variation. It is a pattern selection table. It is a fluctuation pattern table. It is an open pattern determination table of electric Chu. (A) It is a front view which shows the 1st grand prize opening device, a magnetic sensor, and an iron plate with which the game machine is equipped, (B) It is a top view of FIG. 10 (A). It is a figure which shows the alerting | reporting aspect with respect to fraud detection. It is a figure which shows typically the state by which the magnetic plate was magnetized by the magnetism which arises from a magnet. It is the front view which showed the magnetic board which concerns on a 2nd form. It is the front view which showed the magnetic board which concerns on a 3rd form. It is the top view which showed the magnetic board which concerns on the 1st modification. It is the front view which showed the magnetic board which concerns on the 2nd modification. It is the front view which showed the magnetic board which concerns on a 3rd modification. (A) It is a front view for demonstrating the relationship between the arrangement | positioning prohibition area | region and arrangement | positioning area | region of a special winning opening solenoid, and the detection area | region of a magnetic sensor, (B) It is a top view of FIG. 18 (A).

1. Structure of gaming machine A pachinko gaming machine according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1, the pachinko gaming machine 1 according to the first embodiment includes a gaming machine frame 50 and a gaming board 2 attached in the gaming machine frame 50. The front frame 51 of the gaming machine frame 50 has a handle 60 for launching a game ball with a launch intensity corresponding to the rotation angle, a hitting ball supply tray (upper plate) 61 for storing the game ball, and a hitting ball supply tray 61. A surplus ball tray (lower plate) 62 is provided for storing game balls that cannot be accommodated in the bowl. Further, the front frame 51 is provided with an effect button 63 that can be operated by the player at the time of an effect that is executed as the game progresses. The front frame 51 is provided with a decorative frame lamp 66 and a speaker 67.

  In the game board 2, a game area 3 in which game balls launched by the operation of the handle 60 flow down is surrounded by rail members 4. The game area 3 is visible by a transparent plate unit 52 fitted in the center of the front frame 51. The transparent plate unit 52 is formed by stacking two transparent plates at a predetermined interval. The game board 2 is provided with a decorative board lamp 5 (see FIG. 4). In the game area 3, a plurality of game nails (not shown) for guiding a game ball are projected.

  Further, an image display device 7 which is a liquid crystal display device is provided near the center of the game area 3. The display screen 7a of the image display device 7 has an effect symbol display area for performing variable display of effect symbols 8L, 8C, and 8R synchronized with variable display of a first special symbol and a second special symbol, which will be described later. The effect symbol display area includes, for example, three symbol display areas of “left”, “middle”, and “right”. A left effect symbol 8L is displayed in the left symbol display area, a middle effect symbol 8C is displayed in the middle symbol display area, and a right effect symbol 8R is displayed in the right symbol display area. Each of the effect symbols is made up of a plurality of symbols representing numbers “1” to “9”, for example. The image display device 7 includes a first special symbol displayed on a first special symbol display 41a and a second special symbol display 41b (see FIG. 2), which will be described later, and a combination of the left, middle, and right effect symbols. The result of variable display of the second special symbol (that is, the result of the jackpot lottery) is displayed in an easy-to-understand manner.

  For example, when winning a jackpot, the effect symbol is stopped and displayed with a doublet such as “777”. Further, if it is out of place, the effect symbol is stopped and displayed with a variation such as “637”. This makes it easier for the player to grasp the progress of the game. That is, the player generally grasps the result of the jackpot lottery with the image display device 7 rather than with the first special symbol display 41a or the second special symbol display 41b. The position of the symbol display area does not have to be fixed. In addition, as a variation display mode of the effect design, for example, there is a mode of scrolling in the vertical direction.

  In addition to the effect variable display effect using the effect symbols as described above, the image display device 7 displays, on the display screen 7a, a jackpot effect performed in parallel with the jackpot game, a demo effect for waiting for customers, and the like. In the effect symbol variable display effect, effect images other than effect symbols such as background images and character images are displayed in addition to effect symbols such as numbers.

  In addition, the display screen 7a of the image display device 7 includes a first effect hold display area for displaying the effect hold 9A in accordance with the number of stored first special figure holds, which will be described later, and the number of second special figure hold, which will be described later. Accordingly, there is a second effect hold display area for displaying the effect hold 9B. Due to the display of the production hold, the number stored in the first special figure hold display 43a (see FIG. 2) described later and the second number displayed on the second special figure hold display 43b. The number of stored special figure holds can be shown to the player in an easy-to-understand manner.

  A center decorative body 10 is disposed near the center of the game area 3 and in front of the image display device 7. A stage portion 11 capable of guiding a game ball rolling on the upper surface to a first starting port 20 described later is formed at the lower portion of the center decorative body 10. In addition, a warp portion 12 is provided on the left side of the center decorative body 10 to allow a game ball to flow from the entrance and to flow out from the exit to the stage portion 11. Further, a decorative member 13 representing characters, figures and the like is disposed on the center decorative body 10.

  Below the image display device 7 in the game area 3, there is provided a fixed winning device 19 having a first starting port (first starting winning port) 20 where the ease of entering a game ball does not always change. The winning of the game ball to the first start port 20 is an opportunity for the lottery of the first special symbol (a jackpot lottery, that is, determination of acquisition of a jackpot random number or the like).

  Below the first start port 20, an ordinary variable winning device (so-called electric chew) 22 having a second start port 21 is provided. The winning of the game ball to the second start port 21 is an opportunity for the second special symbol lottery (big hit lottery). The electric chew 22 includes an opening / closing member 23, and opens and closes the second starting port 21 by the operation of the opening / closing member 23. The opening / closing member 23 is driven by an electric chew solenoid 24 (see FIG. 3). The second starting port 21 can enter a game ball only when the opening / closing member 23 is open. That is, when the opening / closing member 23 is closed, the game ball cannot enter. If the opening / closing member 23 is closed when the opening / closing member 23 is closed, and the game ball is more difficult to enter than when the opening / closing member 23 is open, the second starting port 21 is completely unintrusive when the opening / closing member 23 is closed. It does not have to be possible.

  On the right side of the first start opening 20 in the game area 3, a first big winning device 31 having a first big winning opening (special area) 30 is provided. The first grand prize winning device 31 includes an opening / closing member 32 (movable member), and opens and closes the first grand prize winning opening 30 by the operation of the opening / closing member 32. The opening / closing member 32 is driven by a first big prize opening solenoid (drive source) 33 (see FIG. 3). The first grand prize opening 30 allows a game ball to enter only when the opening / closing member 32 is open.

  Further, in the game area 3, a second grand prize winning device 36 having a second major prize winning opening 35 is provided above the first major prize winning opening 30 and in the lower right part of the center decorative body 10. The second grand prize winning device 36 includes a blade member 37, and opens and closes the second big prize opening 35 by the operation of the blade member 37. The blade member 37 is driven by a second large prize winning solenoid 38 (see FIG. 3). The second big winning opening 35 allows a game ball to enter only when the blade member 37 is open. The second grand prize winning device 36 is formed with a V zone 39 through which a game ball that has passed through the second major prize winning opening 35 can pass. In the pachinko gaming machine 1, the passing of the game ball to the V zone 39 is an opportunity to shift to a high probability state described later. That is, the V zone 39 is a probability changing operation port. Such a V zone 39 is not provided in the first grand prize winning device 31.

  A gate 28 through which a game ball can pass is provided to the right of the center decorative body 10 in the game area 3. The passage of the game ball to the gate 28 triggers the execution of a normal symbol lottery (that is, acquisition and determination of a normal symbol random number (per random number)) for determining whether or not to open the electric chew 22. Furthermore, a plurality of normal winning holes 27 are provided at the bottom of the game area 3.

  As described above, the game area 3 in which various winning holes are arranged includes a left game area 3A on the left side of the center in the left-right direction and a right game area 3B on the right side. The method of hitting a game ball so that the game ball flows down in the left game area 3A is called left-handed. On the other hand, a method of hitting a game ball so that the game ball flows down in the right game area 3B is referred to as a right hit. In this pachinko gaming machine 1, aim to win the first starting port 20 by left-handed. On the other hand, it is aimed to pass to the gate 28 by right-handed, and to win the second start port 21, the first big winning port 30, and the second big winning port 35.

  As shown in FIG. 1 and FIG. 2, a display device 40 is arranged at the lower right portion of the game board 2. The display devices 40 include a first special symbol display 41a that variably displays a first special symbol, a second special symbol display 41b that variably displays a second special symbol, and a normal symbol display that variably displays a normal symbol. A container 42 is included. In addition, the display units 40 hold the operation of the first special symbol display unit 43a and the second special symbol display unit 41b for displaying the number of stored operations of the first special symbol display unit 41a. A second special figure hold indicator 43b that displays the number of stored (second special figure hold) and a general figure hold display 44 that displays the number of stored operation hold (common figure hold) of the normal symbol display 42 is included. It is.

  The variable display of the first special symbol is performed in response to the winning of a game ball at the first start port 20. The variable display of the second special symbol is performed in response to a winning of a game ball at the second start port 21. In the following description, the first special symbol and the second special symbol may be collectively referred to as a special symbol. The first special symbol display 41a and the second special symbol display 41b may be collectively referred to as a special symbol display 41. Further, the first special figure hold indicator 43a and the second special figure hold indicator 43b may be collectively referred to as a special figure hold indicator 43.

  In the special symbol display 41, the special symbol (identification information) is variably displayed and then stopped to display a lottery (special symbol lottery, jackpot lottery) based on winning at the first starting port 20 or the second starting port 21. Inform the results. The special symbol that is stopped and displayed (the special symbol that is derived and displayed as the display result of the stop symbol and variable display) is one special symbol that is selected from a plurality of types of special symbols by the special symbol lottery. When the stop symbol is a predetermined special symbol (specific identification information, specific display result, that is, jackpot symbol), the first big prize opening 30 is displayed in an open pattern according to the type of the specific special symbol stopped and displayed. Alternatively, a special game (a jackpot game) that opens the second grand prize winning opening 35 is performed. In addition, the opening pattern of the special winning opening (the first big winning opening 30 and the second big winning opening 35) in the special game will be described later.

  Specifically, the special symbol display 41 is composed of, for example, eight LEDs arranged side by side, and displays a special symbol corresponding to the result of the jackpot lottery depending on the lighting mode. For example, if you win a jackpot (one of several types of jackpots to be described later), 1, 2, from the left such as “○ ●●● ○○ ●●” (○: lit, ●: unlit) The jackpot symbol in which the fifth and sixth LEDs are lit is displayed. In the case of a loss, a lost symbol in which only the rightmost LED is lit, such as “●●●●●●● ○”, is displayed. Note that the lost symbol is not a specific special symbol. In addition, before the special symbol is stopped and displayed, the special symbol variation display (variable display) is performed for a predetermined variation time. In this mode, the LED is turned on. The mode of the variable display may be anything such as all the LEDs blinking at once as long as each LED is not stopped (lighted display in a specific mode).

  In this pachinko gaming machine 1, when a game ball is won at the first start port 20 or the second start port 21, various random number values such as jackpot random numbers acquired for the win are stored in a special figure storage unit. 85 (see FIG. 3). Specifically, if the winning is to the first starting port 20, the first special figure holding is stored in the first special drawing storage unit 85 a (see FIG. 3), and if the winning is to the second starting port 21, the first special drawing is stored. It is memorize | stored in the 2nd special figure reservation memory | storage part 85b (refer FIG. 3) as 2 special figure reservation. There is an upper limit to the number of special figure reservations that can be stored in each special figure storage unit 85, and the upper limit value in this embodiment is four.

  The special figure hold stored in the special figure hold storage unit 85 is digested when a special symbol based on the special figure hold can be variably displayed. Digesting a special figure hold means that a jackpot random number corresponding to the special figure hold is determined, and a special symbol variable display for indicating the determination result is executed. Therefore, in this pachinko gaming machine 1, when the variable display of the special symbol based on the winning of the game ball to the first starting port 20 or the second starting port 21 cannot be performed immediately after the winning, that is, the execution of the variable symbol variable display Even if there is a prize during the execution of a special game or during a special game, the right of lottery for the prize can be reserved up to a predetermined number.

  The number of special figure hold is displayed on the special figure hold display 43. Specifically, the special figure hold indicator 43 is composed of, for example, four LEDs, and displays the number of special figure holds by turning on the LEDs by the number of special figure holds.

  The variable display of the normal symbol is performed with the passage of the game ball to the gate 28 as an opportunity. The normal symbol display 42 notifies the result of the normal symbol lottery based on the passage of the game ball to the gate 28 by variably displaying the normal symbol and then displaying the stop symbol. A normal symbol that is stopped and displayed (a normal symbol that is derived and displayed as a variable display result) is one normal symbol selected from a plurality of types of normal symbols by a normal symbol lottery. When the stop-displayed normal symbol is a predetermined specific symbol (ordinary winning symbol), an auxiliary game is performed in which the second start port 21 is opened in an opening pattern corresponding to the current gaming state. The opening pattern of the second start port 21 will be described later.

  Specifically, the normal symbol display 42 is composed of, for example, two LEDs (see FIG. 2), and displays a normal symbol corresponding to the result of the normal symbol lottery depending on the lighting state. For example, when the lottery result is a win, a normal winning symbol in which both LEDs are lit is displayed, such as “◯◯” (◯: lit, ●: unlit). Further, when the lottery result is a loss, a lost symbol in which only the right LED is lit, such as “● ○”, is displayed. Note that the lost symbol is not a specific ordinary symbol. Before the normal symbol is stopped and displayed, the normal symbol variation display (variable display) is performed for a predetermined variation time. The variation display mode is, for example, a mode in which both LEDs are lit alternately. The mode of the variable display may be anything such as all the LEDs blinking at once as long as each LED is not stopped (lighted display in a specific mode).

  In the pachinko gaming machine 1, when a game ball passes to the gate 28, the value of the normal symbol random number (hit random number) acquired for the passage is stored in the common figure storage unit 86 (see FIG. 3). Temporarily stored as figure hold. There is an upper limit to the number of pending map holds that can be stored in the saved map storage unit 86, and the upper limit value in this embodiment is four.

  The general map reservation stored in the general map storage unit 86 is digested when the variable display of the normal symbol based on the general map storage becomes possible. Digestion of a general symbol hold means that a normal symbol random number (per random number) corresponding to the general symbol hold is determined and variable symbol display for displaying the determination result is executed. Therefore, in this pachinko gaming machine 1, when the variable display of the normal symbol based on the passage of the game ball to the gate 28 cannot be performed immediately after the passage, that is, during the execution of the variable symbol display of the normal symbol or the execution of the auxiliary game Even if there is a case, the right of the normal symbol lottery for the passage can be reserved up to a predetermined number.

  Then, the number of the general map hold is displayed on the general map hold display 44. Specifically, the general-purpose hold indicator 44 is composed of, for example, four LEDs, and displays the number of general-purpose holds by turning on the LEDs by the number of general-purpose holds.

2. Next, the electrical configuration of the pachinko gaming machine 1 will be described with reference to FIGS. 3 and 4. As shown in FIG. 3 and FIG. 4, the pachinko gaming machine 1 relates to a main control board (game control board) 80 that performs control related to game profits such as a big win lottery and a transition of game state, and effects that are executed as the game progresses. A sub-control board (production control board) 90 that performs control, a payout control board 110 that performs control related to payout of game balls, and the like are provided.

  A game control one-chip microcomputer (hereinafter referred to as “game control microcomputer”) 81 that controls the progress of the game of the pachinko gaming machine 1 according to a program is mounted on the main control board 80. The game control microcomputer 81 includes a ROM 83 that stores a program for controlling the progress of the game, a RAM 84 that is used as a work memory, a CPU 82 that executes a program stored in the ROM 83, and a fraud detector 89 described later. Is provided. The game control microcomputer 81 transmits / receives data to / from other boards via an input / output circuit (I / O port unit) 87. The input / output circuit 87 may be built in the game control microcomputer 81. The ROM 83 may be externally attached. The RAM 84 is provided with the above-described special figure storage unit 85 (the first special figure storage unit 85a and the second special figure storage unit 85b) and the general figure storage unit 86.

  Various sensors and solenoids are connected to the main control board 80 via a relay board 88. Therefore, signals are input from the sensors to the main control board 80, and signals are output from the main control board 80 to the solenoids. Specifically, the sensors include a first start opening sensor 20a, a second start opening sensor 21a, a gate sensor 28a, a first large winning opening sensor 30a, a second large winning opening sensor 35a, a V zone sensor 39a, and a normal winning combination. A mouth sensor 27a and a magnetic sensor (magnetic detection means) 45 are connected.

  The first start port sensor 20 a is provided in the first start port 20 and detects a game ball won in the first start port 20. The second start port sensor 21 a is provided in the second start port 21 and detects a game ball that has won the second start port 21. The gate sensor 28 a is provided in the gate 28 and detects a game ball that has passed through the gate 28. The first grand prize opening sensor 30 a is provided in the first big prize opening 30 and detects a game ball won in the first big prize opening 30. The second grand prize opening sensor 35 a is provided in the second big prize opening 35 and detects a game ball won in the second big prize opening 35. The V zone sensor 39 a is provided in the V zone 39 in the second grand prize opening 35 and detects a game ball that has passed through the V zone 39. The normal winning opening sensor 27 a is provided in each of the normal winning openings 27 and detects a game ball that has won the normal winning opening 27. The magnetic sensor 45 detects magnetic flux generated from the magnet ZS (see FIG. 12) that is brought closer to the game area 3. The configuration of fraud detection by the magnetic sensor 45 will be described in detail later.

  Also, as the solenoids, an electric chew solenoid 24, a first big prize opening solenoid 33, and a second big prize opening solenoid 38 are connected. The electric chew solenoid 24 drives the opening / closing member 23 of the electric chew 22. The first big prize opening solenoid 33 drives the opening / closing member 32 of the first big prize winning device 31. The second big prize opening solenoid 38 drives the blade member 37 of the second big prize winning device 36.

  Further, the main control board 80 includes a first special symbol display 41a, a second special symbol display 41b, a normal symbol display 42, a first special diagram hold indicator 43a, a second special figure hold indicator 43b, A figure hold indicator 44 is connected. That is, display control of these display devices 40 is performed by the game control microcomputer 81.

  The main control board 80 transmits various commands to the payout control board 110 and receives signals from the payout control board 110 for payout monitoring. The payout control board 110 has a prize ball payout device 120, a ball payout device 130, and a card unit 135 (installed adjacent to the pachinko gaming machine 1, enabling ball lending based on information such as an inserted prepaid card. Are connected to each other, and a launching device 112 is connected via a launch control circuit 111. The launcher 112 includes a handle 60 (see FIG. 1).

  The payout control board 110 drives the prize ball motor 121 of the prize ball payout device 120 based on a signal from the game control microcomputer 81 and a signal from the card unit 135 connected to the pachinko gaming machine 1 to win a prize ball. Or paying out the rental balls by driving the rental motor 131 of the rental ball payout device 130. The prize balls to be paid out are detected by the prize ball sensor 122 for counting. In addition, the paid-out lending ball is detected by the lending sensor 132 for counting. When the player operates the handle 60 (see FIG. 1) of the launch device 112, the touch switch 114 detects contact with the handle 60, and the launch volume 115 detects the amount of rotation of the handle 60. Then, the launch motor 113 is driven so that the game ball is launched with a strength corresponding to the magnitude of the detection signal of the launch volume 115.

  The main control board 80 transmits various commands to the sub control board 90. The connection between the main control board 80 and the sub control board 90 is a unidirectional communication connection that can only transmit signals from the main control board 80 to the sub control board 90. That is, between the main control board 80 and the sub-control board 90, a unidirectional circuit (not shown) as a communication direction regulating means (for example, a circuit using a diode) is interposed.

  As shown in FIG. 4, an effect control one-chip microcomputer (hereinafter “effect control microcomputer”) 91 that controls the effect of the pachinko gaming machine 1 according to a program is mounted on the sub-control board 90. The effect control microcomputer 91 includes a ROM 93 that stores programs for controlling effects as the game progresses, a RAM 94 that is used as a work memory, and a CPU 92 that executes the programs stored in the ROM 93. . The effect control microcomputer 91 transmits / receives data to / from another board or the like via an input / output circuit (I / O port unit) 95. The input / output circuit 95 may be built in the effect control microcomputer 91. The ROM 93 may be externally attached.

  The sub control board 90 is connected to the image control board 100, the sound control board 106, and the lamp control board 107. The effect control microcomputer 91 of the sub control board 90 causes the CPU 102 of the image control board 100 to perform display control of the image display device 7 based on the command received from the main control board 80. The RAM 104 of the image control board 100 is a memory for developing image data. In the ROM 103 of the image control board 100, still image data and moving image data displayed on the image display device 7, specifically, characters, items, figures, characters, numbers, symbols, etc. (including effect designs), background images, etc. Image data is stored. The CPU 102 of the image control board 100 reads out image data from the ROM 103 based on a command from the effect control microcomputer 91. Then, display control is executed based on the read image data.

  Further, the effect control microcomputer 91 outputs voice, music, sound effect, and the like from the speaker 67 via the voice control board 106 based on the command received from the main control board 80. Acoustic data such as voice output from the speaker 67 is stored in the ROM 93 of the sub-control board 90. Note that a CPU may be mounted on the voice control board 106, and in that case, the CPU may execute voice control. Further, in this case, a ROM may be mounted on the voice control board 106, and acoustic data may be stored in the ROM. Further, the speaker 67 may be connected to the image control board 100, and the CPU 102 of the image control board 100 may execute sound control. Further, in this case, acoustic data may be stored in the ROM 103 of the image control board 100.

  The effect control microcomputer 91 performs lighting control of lamps such as the frame lamp 66 and the panel lamp 5 via the lamp control board 107 based on the command received from the main control board 80. The effect control microcomputer 91 creates light emission pattern data (also referred to as data for determining lighting / extinction, light emission color, or lamp data) that determines the light emission mode of the lamps such as the frame lamp 66 and the panel lamp 5, and the light emission pattern data. Accordingly, the emission of lamps such as the frame lamp 66 and the panel lamp 5 is controlled. Note that data stored in the ROM 93 of the sub-control board 90 is used to create the light emission pattern data.

  Further, the effect control microcomputer 91 operates the decorative movable body 15 connected to the lamp control board 107 via the relay board 108 based on the command received from the main control board 80. Although not shown in FIG. 1, the decorative movable body 15 is a movable so-called gimmick provided in the center decorative body 10. The effect control microcomputer 91 creates operation pattern data (also referred to as drive data) that determines the operation mode of the decorative movable body 15, and controls the operation of the decorative movable body 15 according to the operation pattern data. Note that data stored in the ROM 93 of the sub-control board 90 is used to create the operation pattern data. Note that a CPU may be mounted on the lamp control board 107, and in that case, the CPU may execute lamp lighting control and operation control of the decorative movable body 15. Further, in this case, a ROM may be mounted on the lamp control board 107, and data relating to the light emission pattern and the operation pattern may be stored in the ROM.

  Further, an effect button detection SW (switch) 63a for detecting that the effect button 63 (see FIG. 1) has been pressed is connected to the sub-control board 90. Therefore, when the effect button 63 is pressed, a signal is output from the effect button detection SW 63a to the sub-control board 90.

3. Description of jackpot etc. In the pachinko gaming machine 1 of the present embodiment, there are “big hit” and “out of place” as a result of the jackpot lottery (special symbol lottery). In the case of “hit”, the “hit symbol” is stopped and displayed on the special symbol display 41. In the case of “missing”, the “design symbol” is stopped and displayed on the special symbol display 41. When the big win or the small win is won, the first big prize winning device 31 or the second big prize winning device 36 is operated in an open pattern corresponding to the type of the special symbol that is stopped and displayed, and the first big winning prize opening 30 or the second A “special game” for opening the special prize opening 35 is executed. A special game that is executed by winning a jackpot is called a "jackpot game".

  There are several types of jackpots. As shown in FIG. 5, the types of jackpots include “15R (round) specific jackpot” and “15R normal jackpot”. “15R specific jackpot” is the number of times of opening (number of rounds) of the grand prize winning opening (the first big winning prize opening 30 or the second big winning prize opening 35) is 15, and the game ball to the V zone 39 during the jackpot game. It is a big hit that opens the second big prize winning device 36 in such a manner that can pass. “15R normal jackpot” is the number of times (number of rounds) of the big winning opening (the first big winning opening 30 or the second big winning opening 35) is fifteen, and the game ball to the V zone 39 during the big hit game Is a jackpot that cannot pass through (that is, a jackpot that does not open the second big winning device 36 in a manner that allows the game ball to pass through the V zone 39).

  In the pachinko gaming machine 1 of this embodiment, based on the passing of the game ball to the V zone 39 in the jackpot game, the gaming state after the jackpot game is shifted to a high probability state to be described later. Therefore, when the 15R specific jackpot is won, the game state after the jackpot game can be shifted to the high probability state by passing the game ball to the V zone 39 during the jackpot game. On the other hand, if the 15R normal jackpot is won, the game ball cannot be passed to the V zone 39 during execution of the jackpot game, so the game state after the jackpot game is a normal state (described later) Non-high probability state). In the case of the big win, there may be a round in which the big winning opening is opened several times during one round.

  The opening pattern of each jackpot winning prize opening in the pachinko gaming machine 1 of this embodiment is as shown in FIG. That is, when the 15R specific jackpot is won (when the special symbol 1_15R specific symbol 1 is stopped and displayed on the first special symbol display 41a, the special symbol 2_15R specific symbol 1 is stopped and displayed on the second special symbol display 41b. 1R to 14R, the first grand prize opening 30 is opened for a maximum of 28 seconds, and 15R opens the second big prize opening 35 for a maximum of 13 seconds. At this time, since the opening time of the second grand prize winning opening 35 at the 15th R is 13 seconds, it is easy to pass the game ball to the V zone 39 during the round.

  In addition, when the 15R normal jackpot is won (when the special figure 1_15R normal symbol 2 is stopped and displayed on the first special symbol display 41a), the first big prize opening 30 is opened for a maximum of 28 seconds from 1R to 14R. 15R opens the second big prize opening 35 for a maximum of 0.3 seconds. At this time, since the opening time of the second grand prize winning opening 35 at the 15th R is as short as 0.3 seconds, it is impossible to pass the game ball to the V zone 39 during the round.

  The second grand prize winning device 36 may have a shutter member for preventing the game ball from passing into the V zone 39 inside. That is, when the second grand prize winning device 36 includes a shutter member, and the shutter member is in the first state that prevents the passage of the game ball to the V zone 39, the game ball that won the second big prize opening 35 is in the V zone. When the non-specific area that is not 39 is passed and the shutter member is in the second state that allows the game ball to pass to the V zone 39, the game ball that won the second big prize opening 35 is not the non-specific area. It may be configured to pass through the V zone 39. The solenoid that drives the shutter member is connected to the main control board 80. When such a shutter member is provided, the V zone 39 may be closed by controlling the shutter member to the first state during the 15R when the second big winning opening 35 is opened in the 15R normal big hit. In this way, even if a game ball enters the second grand prize opening 35 during an extremely short time of 10 seconds, it is surely prevented from passing the game ball to the V zone 39. Can do. In addition, even if the maximum opening time of the second big prize opening 35 in 15R in 15R normal jackpot is set to a length that allows the game ball to enter sufficiently (for example, 28 seconds), the game ball to the V zone 39 Can be prevented. When it is desired to pass the game ball to the V zone 39 at a 15R specific big hit or the like, the shutter member may be controlled to the second state while the second big prize opening 35 is opened. That is, the shutter member may be controlled to the second state in synchronization with the V effective period (first period), and the shutter member may be controlled to the first state in synchronization with the V invalid period (second period).

  In addition, the distribution probability to each jackpot in the lottery of the first special symbol (special chart 1) is 50% for the 15R specific jackpot and 50% for the 15R regular jackpot. On the other hand, the jackpots won in the lottery of the second special symbol (special map 2) are all 15R specific jackpots. That is, when a big win is won by a lottery based on winning a prize to the second starting port 21 which is made possible to enter by executing electric support control described later, a 15R specific big win is always made. Thus, in this pachinko gaming machine 1, the game ball enters the second start port 21 rather than the big win lottery (the lottery of the first special symbol) performed by winning the game ball at the first start port 20. The jackpot lottery to be performed (the second special symbol lottery) is set to be advantageous to the player.

  Here, in the present pachinko gaming machine 1, the lottery for determining whether or not the jackpot is won is performed based on the “big hit random number”, and the lottery for the type of winning jackpot is performed based on the “big hit type random number”. As shown in FIG. 6A, the jackpot random number takes a value in the range of 0 to 629. The jackpot type random number takes a value in the range of 0-9. In addition to the jackpot random number and the jackpot type random number, the random numbers acquired based on the winning at the first starting port 20 or the second starting port 21 include “reach random number” and “variation pattern random number”.

  The reach random number is a random number that determines whether or not a reach is generated in the effect symbol variation display effect indicating the result when the result of the jackpot determination is out of place. Reach is a state in which there is only one effect symbol that is variably displayed among a plurality of effect symbols, and depending on which symbol the effect symbol that is variably displayed is stopped and displayed, It is a state (a state of “7 ↓ 7”) that is a combination of the production symbols shown. It should be noted that the effect symbols that are stopped and displayed in the reach state may be displayed as if they are slightly shaken in the display screen 7a. This reach random number takes a value in the range of 0-126.

  The variation pattern random number is a random number for determining a variation pattern including a variation time. The fluctuation pattern random number takes a value in the range of 0 to 198. In addition, the random number acquired based on the passage through the gate 28 includes a normal symbol random number (per hit random number) shown in FIG. The normal symbol random number is a random number for a lottery (ordinary symbol lottery) for determining whether or not to perform an auxiliary game for opening the electric chew 22. Normal design random numbers take values in the range of 0-240.

4). Description of the gaming state Next, the gaming state of the pachinko gaming machine 1 of the present embodiment will be described. The special symbol display 41 and the normal symbol display 42 of the pachinko gaming machine 1 each have a probability variation function and a variation time shortening function. A state in which the probability variation function of the special symbol display 41 is activated is referred to as a “high probability state”, and a state in which it is not activated is referred to as a “normal state (non-high probability state)”. In the high probability state, the jackpot probability is higher than in the normal state. That is, the jackpot determination is performed using a jackpot determination table in which the value of the jackpot random number determined to be a jackpot is larger than the jackpot determination table used in the normal state (see FIG. 7A). That is, when the probability variation function of the special symbol display 41 is activated, the probability that the display result of the special symbol variable display by the special symbol display 41 (that is, the stop symbol) becomes a jackpot symbol compared to when the special symbol display 41 is not activated. Becomes higher.

  In addition, a state in which the function for reducing the variation time of the special symbol display 41 is in operation is referred to as “time-short state”, and a state in which the special symbol display 41 is not in operation is referred to as “non-time-short state”. In the short-time state, the variation time of the special symbol (the time from the start of variation display to the time when the display result is derived and displayed) is shorter than in the non-short-time state. That is, the variation pattern is determined using a variation pattern table that is determined so that the variation pattern having a short variation time is selected more than in the non-time-short state (see FIG. 8). That is, when the function for shortening the variation time of the special symbol display 41 is activated, it is easy to select a short variation time as the variation time for the variable symbol special display as compared to when the special symbol display 41 is not activated. As a result, in the short-time state, the special-patch holding pace is accelerated, and an effective winning (a winning that can be stored as a special-pending hold) at the starting port is likely to occur. Therefore, it is possible to aim for a big hit with smooth progress of the game.

  The probability variation function and the variation time shortening function of the special symbol display 41 may be activated at the same time, or only one of them may be activated. The probability variation function and the variation time shortening function of the normal symbol display 42 operate in synchronization with the variation time shortening function of the special symbol display 41. That is, the probability variation function and the variation time shortening function of the normal symbol display 42 operate in the time-short state and do not operate in the non-time-short state. Therefore, in the short time state, the winning probability in the normal symbol lottery is higher than in the non-short time state. In other words, a hit determination (ordinary symbol determination) is performed using a normal symbol per-decision table having more normal symbol random numbers (per hit random) determined to be hit than a normal symbol per-decision table used in a non-time-saving state ( (See FIG. 7D). That is, when the probability variation function of the normal symbol display 42 is activated, the probability that the display result of the variable symbol normal display by the normal symbol display 42 becomes the normal winning symbol is higher than when the normal symbol display 42 is not activated. .

  In the short time state, the normal symbol fluctuation time is shorter than in the non-short time state. In this embodiment, the variation time of the normal symbol is 30 seconds in the non-short-time state, but is 1 second in the short-time state (see FIG. 7E). Furthermore, in the time saving state, the opening time of the electric chew 22 in the auxiliary game is longer than that in the non-time saving state (see FIG. 9). That is, the open time extension function of the electric chew 22 is activated. In addition, in the short time state, the number of times the electric chew 22 is opened in the auxiliary game is larger than in the non-short time state (see FIG. 9). That is, the function of increasing the number of times the electric chew 22 is opened is activated.

  In the situation where the probability variation function and the variation time shortening function of the normal symbol display 42 and the open time extension function and the number of times of opening increase function of the electric chew 22 are activated, compared to the case where these functions are not activated. Thus, the electric chew 22 is frequently opened, and game balls frequently win the second starting port 21. As a result, the base, which is the ratio of the number of prize balls to the number of shot balls, becomes high. Therefore, a state in which these functions are activated is referred to as a “high base state”, and a state in which these functions are not activated is referred to as a “low base state”. In the high base state, it is possible to aim for a big hit without greatly reducing the hand-held game balls. The high base state is a state in which so-called electric support control (control to support winning at the second starting port 21 by the electric chew 22) is executed.

  In the high base state (electric support control state), not all the functions described above may operate. That is, the operation of one or more of the probability variation function of the normal symbol display 42, the variation time shortening function of the normal symbol display 42, the opening time extension function of the electric chew 22, and the opening frequency increasing function of the electric chew 22 Therefore, it is only necessary that the electric chew 22 be opened more easily than when the function is not activated. Further, the high base state (electric support control state) may be independently controlled without accompanying the time-short state.

  In the pachinko gaming machine 1 of this embodiment, the gaming state after the special game by winning the 15R specific jackpot is a high probability state, a short time state, and a high base state if the V zone 39 is passed during the jackpot game. (Electric support control state) (see FIG. 5). This gaming state is particularly referred to as a “highly accurate base state”. The high-accuracy base state is terminated when a special symbol variable display is executed a predetermined number of times (for example, 140 times) or when the jackpot is won and the jackpot game is executed.

  In addition, the game state after the special game by winning the 15R normal jackpot is not passed through the V zone 39 during the jackpot game, so the normal state (non-high probability state, that is, the low probability state), short time state and high It is a base state (refer FIG. 5). This gaming state is particularly referred to as a “low-accuracy base state”. The low-accuracy base state ends when a special symbol variable display is executed a predetermined number of times (for example, 100 times) or when the jackpot is won and the jackpot game is executed.

  When the pachinko gaming machine 1 is played for the first time, the gaming state after power-on is a normal state, a non-time-short state, and a low base state. This gaming state is particularly referred to as a “low probability low base state”.

  In a high base state such as a high-accuracy high-base state or a low-accuracy high-base state, it is possible to advance the game more advantageously if the game ball is advanced to the right game area 3B by hitting right. This is because the electric support 22 makes it easier to open the electric chew 22 than in the low base state, and it is easier to win the second starting port 21 than to win the first starting port 20. . Therefore, the player makes a right turn to win the game ball at the second starting port 21 while passing the game ball to the gate 28 which is a trigger for the normal symbol lottery. As a result, it is possible to obtain a large number of start prizes (win prizes at the start opening) rather than left-handed.

  On the other hand, in the low probability low base state, it is possible to advance the game more advantageously by making the game ball enter the left game area 3A by left-handed. Since the electric support control is not executed, the electric chew 22 is less likely to be opened than in the high base state, and it is easier to win the first start port 20 than to win the second start port 21. Because it is. Therefore, a left turn is made to win a game ball in the first starting port 20. As a result, it is possible to obtain a larger number of start prizes than right-handed.

5. Configuration of fraud detection by the magnetic sensor 45 Next, a configuration of fraud detection by the magnetic sensor 45 of the pachinko gaming machine 1 will be described based on FIG. 1 and FIG. As shown in FIG. 1, the pachinko gaming machine 1 includes a magnetic sensor 45 and a magnetic plate 70 (detection area expanding member) in the vicinity of the first grand prize winning device 31. The magnetic sensor 45 detects a change in magnetic flux density by a magnetic flux generated from the magnet ZS (see FIG. 12) brought close to the first grand prize opening 30 and is arranged on the back side of the game board 2. As a result, the magnetic sensor 45 cannot be visually recognized by the player as shown in FIGS. 10B shows the position of the front surface (front surface) of the game board 2, and the two-dot chain line L2 shown in FIG. 3B shows the back surface (rear surface) of the transparent plate unit 52. Indicates the position. For this reason, the game ball flows down in front of the position L1 on the surface of the game board 2 (lower side in FIG. 10B) and in the rear of the position L2 on the back surface of the transparent plate unit 52.

  The magnetic sensor 45 is a thin magnetic sensor with a built-in reed switch that becomes conductive according to the magnitude of the magnetic flux density. When the detection distance of the magnetic sensor 45, that is, a standard magnet (magnet having a size of 20 mm × 20 mm × 10 mm and a surface magnetic flux density of 430 mT) is brought close to the magnetic sensor 45, the magnetic sensor 45 changes from a non-conductive state to a conductive state. The distance is in the range of about 50-90 mm from the magnetic sensor 45. A magnetic sensor having a detection distance other than about 50 to 90 mm may be used according to the installation location and the required detection performance. Further, the magnetic sensor 45 is not limited to the one having a built-in reed switch as long as it can detect magnetism, and has a high sensitivity using a coil, a hall element, a magnetoresistive element, or a magnetic impedance effect. It may be a thing.

  The detection signal detected by the magnetic sensor 45 is input to the fraud detection unit 89 (see FIG. 3) of the game control microcomputer 81 via the input / output circuit 87 as shown in FIG. The fraud detection unit 89 determines fraud by the magnet based on the input detection signal, and outputs a fraud detection command to the effect control microcomputer 91. The effect control microcomputer 91 transmits the fraud effect command to the image control board 100 and the voice control board 106 based on the received fraud detection command.

  The CPU 102 of the image control board 100 reads out predetermined image information from the ROM 103 based on the received fraud effect command, and, as shown in FIG. 11, the character “WARNING” is displayed on the display screen 7a of the image display device 7. Is displayed. Further, the sound control board 106 outputs a warning sound for fraud on the speaker 67 based on predetermined sound information read from the ROM 93 of the sub control board 90 based on the received fraud effect command. In this way, when the magnetic sensor 45 detects the magnetism generated from the magnet ZS, the fraudulent act is notified to employees in the hall, surrounding players, and the like.

  Note that displaying the word “WARNING” is one of the modes for displaying an illegal act, and other display contents (for example, “ERROR”, “Please keep the cheating” away) are displayed on the display screen 7a. You may do it. In addition, the method of notifying fraudulent acts is not limited to the method of displaying fraudulent images or the method of outputting fraudulent warning sounds. The frame lamp 66 and the panel lamp 5 are turned on in a special manner. Also good.

  Here, in the first grand prize winning device 31, when the opening / closing member 32 is driven by the first big prize winning solenoid 33 as described above, the first grand prize winning opening 30 is opened and closed. More specifically, as shown in FIG. 10B, the first big prize opening solenoid 33 includes a housing 33a, a plunger 33b, and a spring 33c, and the plunger 33b is biased by the spring 33c when not energized. It is in. An engagement member 34 is attached to the tip of the plunger 33b. The engaging member 34 is connected to the opening / closing member 32 via a link mechanism (not shown).

  Thus, when the first big prize opening solenoid 33 is not energized, the plunger 33b is urged downward in FIG. 10B, and the opening / closing member 32 connected to the engaging member 34 via the link mechanism is the first. The 1st prize opening 30 is closed (not shown). On the other hand, when the first big prize winning solenoid 33 is energized, the plunger 33b moves upward by 10 (B) against the urging force of the spring 33c by electromagnetic force. As a result, the opening / closing member 32 tilts via the link mechanism and the engaging member to open the first big prize opening 30 (see FIG. 1).

  By the way, since the first big prize opening solenoid 33 drives the opening and closing member 32 by electromagnetic force, a magnetic flux is generated around when operating. For this reason, as shown in FIG. 10 (B), if the magnetic sensor 45 is arranged in the arrangement prohibition region R1, the magnetic sensor 45 detects a change in magnetic flux density generated from the first big prize opening solenoid 33, and false detection is performed. End up. That is, there is an arrangement prohibition region R1 in which the magnetic sensor 45 cannot be arranged around the first big prize opening solenoid 33. The magnetic sensor 45 is disposed outside the disposition prohibition region R1 in the dispositionable region R2 that is not activated by the magnetic flux generated by the operation of the first big prize winning solenoid 33. That is, the arrangement possible area R2 is the entire area outside the arrangement prohibition area R1.

  However, there is a problem that the detection region R3 of the magnetic sensor 45 is in a range of about 50 to 90 mm with the position of the magnetic sensor 45 as the center, and the detection region R3 is narrow. Note that the sizes of the placement prohibition region R1 and the detection region R3 illustrated in FIG. 10B are schematically illustrated in order to be easily understood visually. The detection region R3 has a range (directivity) that is easy to detect depending on the orientation and arrangement of the magnetic sensor 45. In FIG. 12, the shape of the detection region R3 is shown as an ellipse, but the shape of the detection region R3 can be changed as appropriate. is there. Here, with respect to the problem that the detection region R3 is narrow, a method of arranging a plurality of magnetic sensors around the first big prize winning device 31 is conceivable. However, the cost greatly increases and the plurality of magnetic sensors are arranged. The trouble of mounting becomes large.

  Therefore, the pachinko gaming machine 1 according to the present embodiment is configured so that the detection area of the magnetic sensor 45 can be expanded using the magnetic plate 70. In the following, the detection region R3 using only the magnetic sensor 45 regardless of the presence or absence of the magnetic plate 70 is referred to as a self-detection region R3, and the region excluding the self-detection region R3 among the detection regions expanded using the magnetic plate 70 is expanded. The entire detection area enlarged using the magnetic plate 70 is called a detection area.

  The magnetic plate 70 is composed of an iron plate (magnetic material) that is easily magnetized by a surrounding magnetic field, and includes a front portion 70a, a side portion 70b, and a rear portion 70c, as shown in FIG. 10B. . The magnetic plate 70 (the front portion 70a, the side portion 70b, and the rear portion 70c) is in a thin plate-like state and has a thickness of about 2 mm. The magnetic plate 70 is preferably a relatively inexpensive and easily available iron plate, but may be a steel plate, an iron nickel alloy plate, an iron cobalt alloy plate, or the like as long as it is a magnetic material (ferromagnetic material). The magnetic plate 70 is arranged in the arrangementable region R <b> 2 so as not to be magnetized by the magnetic flux generated by the operation of the first big prize winning solenoid 33.

  The front part 70a (the front part of the game area) has a substantially square shape with a side of 47 mm, and is positioned behind the position L2 on the back surface of the transparent plate unit 52 (upper side in FIG. 10B). It is located in front of the region 3 (lower side in FIG. 10B). The distance from the front portion 70a to the position L1 on the surface of the game board 2 is greater than 9 mm, which is the diameter of the game ball. Thereby, the game ball rolling in the game area 3 can flow down without being blocked by the front part 70a. Further, the front portion 70a is provided in substantially the entire front of the placement prohibition region R1 so as to be easily magnetized by the magnet ZS approaching toward the placement prohibition region R1.

  As shown in FIG. 10 (A), nine notches 70a1 (game ball visually recognizing parts) opened rightward (thickening) from the left end surface are formed in the front part 70a. Thus, ten protruding pieces 70a2 extending in the left direction from the right end surface of the front portion 70a are formed. The notch 70a1 makes it possible to visually recognize the game balls Y1 and Y2 that roll behind the notch 70a1, the thickness t1 of each notch 70a1 is 3 mm, and the thickness t2 of each protrusion 70a2 is 2 mm. Thus, the player can visually recognize a part of the game balls Y1, Y2 having a diameter of 9 mm by the respective cutouts 70a1, and the game balls Y1, Y2 are not completely hidden by the front part 70a. In addition, each dimension shown in the front part 70a (one side (47 mm) of the front part 70a, the thickness t1 (3 mm) of the notch 70a1, and the thickness t2 (2 mm) of the protruding piece 70a2) is shown only as an example of this embodiment. Other dimensions may be used as long as the game ball is not completely hidden.

  As shown in FIG. 10B, the side part 70b extends rearward from the right end surface of the front part 70a and is attached so as to penetrate the game board 2. The rear portion 70 c has a short side shape extending rightward from the rear end of the side portion 70 b, and the front end thereof is disposed in a non-contact manner at a position very close to the magnetic sensor 45. The tip of the rear part 70c and the magnetic sensor 45 may be in contact with each other. The reason why the tip of the rear portion 70c and the magnetic sensor 45 are arranged in a very close position is that the magnetized magnetic plate 70 has a property of releasing magnetic flux from the end, and the magnetic plate 70 is released from the end of the magnetic plate 70. This is because it is easy for the magnetic sensor 45 to detect a change in the magnetic flux density due to the generated magnetic flux. Thus, the front portion 70a is disposed at a position far from the magnetic sensor 45 outside the self-sensing region R3, but the rear portion 70c is disposed at a position very close to the magnetic sensor 45 within the self-sensing region R3.

  Thereby, as shown in FIG. 12, for example, when a player tries to attract a large number of game balls by the magnet ZS in the vicinity of the first big winning opening 30, the magnet ZS approaches toward the front of the placement prohibition region R1. The magnetic plate 70 is magnetized. In the magnetized magnetic plate 70, magnetic flux (lines of magnetic force) is emitted from the end thereof, so that the magnetic flux flows from the front part 70a through the side part 70b through the rear part 70c and is emitted from the tip of the rear part 70c. Therefore, a change (increase) in the magnetic flux density occurs near the tip of the rear portion 70c, and the magnetic sensor 45 detects the change in the magnetic flux density. Conventionally, due to the positional relationship between the first grand prize winning solenoid 33 and the magnetic sensor 45, it is difficult to detect the change in magnetic flux density generated in front of the prohibited area R1 (lower side in FIG. 12) with the magnetic sensor 45 alone. . On the other hand, in this embodiment, the front part 70a of the magnetic plate 70 is arranged so as to cover the entire front (lower side in FIG. 12) of the arrangement prohibition region R1, and the side part 70b and the rear part 70c of the magnetic plate 70 are provided. Since it is located in the self-detection region R3, the magnetic flux generated in front of the placement prohibition region R1 can be detected by the magnetic plate 70 and the magnetic sensor 45, and the detectable region is large.

6). Effects of the present embodiment As described in detail above, in the pachinko gaming machine 1 of the present embodiment, when the magnet ZS approaches the magnetic plate 70 outside the self-sensing region R3 of the magnetic sensor 45, the magnetic plate 70 is magnetized. . Thereby, the magnetic flux emitted from the rear part 70 c of the magnetic plate 70 is detected by the magnetic sensor 45. That is, even if the magnet ZS is located outside the self-sensing region R3 of the magnetic sensor 45, the magnetic plate 70 and the magnetic sensor 45 can detect a change in magnetic flux density caused by the magnet ZS. Thus, in order not to be affected by the operation of the first big prize opening solenoid (drive source), the detectable region of the magnetic sensor 45 is a region where the self-detection region R3 of the magnetic sensor 45 and the magnetic plate 70 are magnetized by the magnet ZS. It is possible to enlarge to a region added with (enlargement detection region), and to prevent illegal acts by the magnet ZS in a wide range. As a result, it is possible to eliminate a region where it is difficult to detect a change in magnetic flux density due to fraud, such as in front of the placement prohibited region R1 (lower side in FIG. 12). In this embodiment, the detection area is not enlarged by providing a plurality of magnetic sensors, but the detection area is enlarged by providing the magnetic plate 70 made of a relatively inexpensive iron plate, so that illegal acts can be prevented over a wide range. The pachinko gaming machine 1 can be configured at low cost.

  Further, in the pachinko gaming machine 1 of the present embodiment, as shown in FIG. 12 (B), the front part 70a of the magnetic plate 70 is located in front of the game area 3, so that it is closer to the magnet ZS approaching from the front side. Become position. Therefore, the magnetic plate 70 is easily magnetized by the magnetic flux generated from the magnet ZS, and it is possible to reliably prevent an illegal act by the magnet ZS approaching from the front side. As shown in FIG. 10A, even if the game balls Y1 and Y2 roll behind the front portion 70a, the player can sufficiently grasp the movement of the game balls Y1 and Y2 by the notch 70a1. it can. Accordingly, it is possible to achieve both the illegal detection of the magnet ZS approaching from the front side and the ensuring of the visual recognition of the game ball.

7). Modification Example A modification example will be described below. In the description of the modification, the same components as those of the first form of the pachinko gaming machine 1 are denoted by the same reference numerals as those of the first form, and the description thereof is omitted.

<Second form>
A second aspect of the gaming machine according to the present invention will be described with reference to FIG. In the first form described above, the pachinko gaming machine 1 (see FIG. 1) is triggered by the transition of the game ball to the V zone 39 to the high probability state. On the other hand, in the second form, a pachinko gaming machine (not shown) that triggers a transition to a high probability state that a specific jackpot (for example, a 15R specific jackpot) by a jackpot lottery (special symbol lottery) It is. In the pachinko gaming machine of the second form, there are “2R specific jackpots” in addition to “15R specific jackpots” and “15R normal jackpots” as jackpot types.

  When the 2R specific jackpot is won by the jackpot lottery (predetermined condition is established), the game control microcomputer 81 (drive control means) 81 opens the first big prize opening 30 for a maximum of 0.3 seconds at the 1R. The first big prize opening solenoid 33 is driven, and the first big prize opening solenoid 33 is driven so that the first big prize opening 30 is opened for a maximum of 0.3 seconds on the 2R. In the 2R specific jackpot, since the total opening time of the first grand prize opening 30 is as short as 0.6 seconds, the opening / closing member 32 opens and closes in a manner in which no prize winning to the first big prize opening 30 can be expected. However, with a 2R specific jackpot, there may be a slight winning of about 1 or 2 balls to the first big winning opening 30. Therefore, the “mode that cannot be expected” is not limited to a mode in which it is impossible to win the first big prize opening 30 at all, and includes a mode in which a slight winning of about 1 or 2 balls may be made. It is. The gaming control microcomputer 81 shifts the gaming state to the high probability state after the 2R specific jackpot in addition to the 15R specific jackpot.

  As shown in FIG. 13, a magnetic plate 70 </ b> A and a magnetic sensor 45 are provided around the first big winning device 31 of the pachinko gaming machine of the second form, as in the first form. The protruding piece 70a3 of the front portion 70aa of the magnetic plate 70A is longer than the protruding piece 70a2 (see FIG. 10A) of the first form, and when viewed from the player, Covers most. Accordingly, when the first big prize opening solenoid 33 drives the opening / closing member 32, the opening / closing of the first big prize opening 30 by the opening / closing member 32 is difficult for the player to see.

  Here, in the pachinko gaming machine of the second form, the game state is shifted to the high probability state after execution of the special game of the 2R specific jackpot, but the player is not clearly informed of the high probability state. That is, the mode display that may be in a high probability state is not performed using the image display device 7. This high-probability state is called “latency probability change”, and it becomes possible to provide a game entertainment with a sense of expectation that the player may be a high-probability state in the latent probability change. However, as described above, in the special game of 2R specific jackpot, the opening / closing member 32 opens and closes the first big prize opening 30 twice in a short time, so the player watches the movement of the opening / closing member 32. If so, it is possible to determine whether or not to shift to the latent probability change. Therefore, in the second embodiment, in order to make it difficult to understand the shift to the latent probability change, the projecting piece 70a3 of the front portion 70aa of the magnetic plate 70A is formed long in front of the opening / closing member 32, and the large first prize winning device 31 is large. It covers the part.

  As described above, according to the pachinko gaming machine of the second form, the detectable area of the magnetic sensor 45 is enlarged around the first big prize opening 30 by the front part 70aa of the magnetic plate 70A, as in the first form. It becomes possible. Further, since the notch 70a1 is formed in the front portion 70aa of the magnetic plate 70A, it is possible to sufficiently grasp the movement of the game balls Y1 and Y2 that roll around the first big winning opening 30. Particularly in the second form, when the opening and closing member 32 is opened and closed in a special game of 2R specific jackpot in a manner that the winning to the first big winning opening 30 is not expected, it is opened and closed by the projecting piece 70a3 of the front part 70aa of the magnetic plate 70A. The opening / closing operation of the member 32 is difficult to see. Therefore, the opening / closing operation of the opening / closing member 32 that does not need to be shown can be made difficult to be recognized, and the shift to the latent probability change can be made difficult to understand. Conventionally, in gaming machines with a transition to latent probability change, it seemed difficult to understand the transition to the latent probability change by executing a small hit to open the first big prize opening 30 with the same opening pattern as the 2R specific big hit. . On the other hand, according to the pachinko gaming machine of the second form, it is possible to make it difficult to understand the transition to the latent probability change by the front portion 70aa of the magnetic plate 70A without setting a small hit.

<Third form>
A third aspect of the gaming machine according to the present invention will be described with reference to FIG. In said 1st form, the front part 70a of the magnetic board 70 was arrange | positioned in the vicinity of the 1st big winning device 31 (refer FIG. 1). On the other hand, in the third embodiment, as shown in FIG. 14, the front portion 170 a of the magnetic plate 170 is disposed in the vicinity of the second big winning device 36. In the third embodiment, the magnetic sensor 45 is arranged in the vicinity of the first big prize winning device 31 so that the change of the magnetic flux density can be detected by the magnet approaching the first big prize winning device 31. However, the magnetic sensor 45 cannot detect a change in magnetic flux density with respect to a magnet that is brought closer to the second grand prize-winning device 36. That is, the magnetic sensor 45 can cover an illegal act against the first grand prize winning device 31 but cannot cover an illegal act against the second grand prize winning device 36. In addition, the pachinko gaming machine (not shown) of the third form is an opportunity for the transition to the high probability state that the game ball passes to the V zone 39, like the pachinko gaming machine 1 of the first form. It is.

  As shown in FIG. 14, the magnetic plate 170 includes a front portion 170a, a side portion 170b, and a rear portion 170c, and is formed of a thin iron plate (magnetic plate). Here, in the second grand prize winning device 36, the second big prize winning solenoid 38 (see FIG. 3, not shown in FIG. 14) drives the blade member 37 by electromagnetic force, so that magnetic flux is generated around when operating. For this reason, the magnetic plate 170 is arranged in an arrangementable region (not shown) that is not actuated by the magnetic flux generated by the operation of the second big prize opening solenoid 38.

  The front portion 170a has a substantially rectangular shape and is positioned in front of the game area 3. In addition, the front portion 170a is provided on substantially the entire front portion of the second big prize winning device 36 so that it can be easily magnetized by the magnet approaching the second big prize winning device 36. The front portion 170a is formed with nine notches 170a1 (game ball visually recognizing portions) that are opened downward (thickened) from the upper end surface. Thus, ten projecting pieces 170a2 extending upward from the lower end surface of the front portion 170a are formed. The notch 170a1 makes it possible to visually recognize the game ball that rolls behind it.

  The side portion 170b extends rearward from the lower end of the front portion 170a and is attached so as to penetrate the game board 2. The rear portion 170 c has a long side extending downward from the rear end of the side portion 170 b, and the front end thereof is disposed at a position very close to the magnetic sensor 45. Thus, the front portion 170a is disposed at a position far from the magnetic sensor 45 outside the self-sensing region R3 (see FIG. 10B) of the magnetic sensor 45, but the rear portion 170c is located within the self-sensing region R3 of the magnetic sensor 45. The magnetic sensor 45 is disposed at a position very close to the magnetic sensor 45. As a result, when the magnet is moved closer to the front of the second big prize opening 35, the magnetic plate 170 is magnetized. In the magnetized magnetic plate 170, the magnetic flux flows from the front part 170a through the side part 170b through the rear part 170c and is released from the tip of the rear part 170c. Thus, the magnetic sensor 45 can detect a change in magnetic flux density.

  That is, in the third embodiment, the first big prize opening (first special area) 30 is arranged in the vicinity of the self-sensing area R3 of the magnetic sensor 45, and the second big prize opening (second special area) 35. Is arranged in the vicinity of the enlarged detection area which is the detection area enlarged by the magnetic plate 170.

  As described above, according to the pachinko gaming machine of the third embodiment, the magnetic detection around the second big prize opening 35 is performed while the magnetic sensor 45 performs magnetic detection around the first big prize opening 30. The front portion 170a and the magnetic sensor 45 can be used. Furthermore, since the front portion 170a of the magnetic plate 170 is provided substantially in front of the second big prize winning device 36, magnetic detection around the V zone 39 can also be performed. Therefore, according to the third embodiment, the magnetic plate 170 and one magnetic sensor 45 are provided around two or more special areas (the first big prize opening 30, the second big prize opening 35, and the V zone 39). This makes it possible to prevent illegal acts by magnets in a wide range. In other words, since the magnetic plate 170 can perform the same function as a magnetic sensor conventionally provided around the second big prize device 36, the magnetic plate provided around the second big prize device 36 is used. The sensor can be eliminated, and the pachinko gaming machine can be configured at low cost.

<Other changes>
In the first form, as shown in FIG. 10B, the magnetic plate 70 has a front part 70 a, a side part 70 b, and a rear part 70 c, and the front and right sides with respect to the first big prize opening solenoid 33. Had been placed in. On the other hand, the magnetic plate 270 of the first modification shown in FIG. 15 has a U-shaped cross section outside the arrangement prohibition region R1. That is, the magnetic plate 270 has a front portion 270a disposed in front of the first big prize opening solenoid 33, a side portion 270b disposed on the right side, and a rear portion 270c disposed on the rear side. doing. A protrusion 270 d is formed from the middle of the side part 270 b toward the magnetic sensor 45, and the tip of the protrusion 270 d is disposed at a position very close to the magnetic sensor 45. In the first modified example, since the magnetic plate 270 surrounds the arrangement prohibition area R1, not only the front and sides of the arrangement prohibition area R1, but also the magnet that can approach the game area 3 from the rear. In addition, the magnetic plate 270 is magnetized so that fraud detection can be performed in a wider range.

  Further, in the first embodiment, as shown in FIG. 10A, the notch 70a1 is formed in the front portion 70a of the magnetic plate 70. On the other hand, in the magnetic plate 370 of the second modified example shown in FIG. 16, 25 square through holes 370a1 are formed in a lattice shape in the front portion 370a, and the front portion 370a is formed by these through holes 370a1. The game balls Y1 and Y2 that roll behind are visible. Of course, the number of through-holes 370a1 may be other than 25, and the shape of the through-hole 370a1 can be changed as appropriate, such as a rectangular shape, a circular shape, or a square shape.

  In the first embodiment, as shown in FIG. 10A, the game balls Y1 and Y2 that roll behind the front portion 70a are visible by the notch 70a1 opened in the front portion 70a of the magnetic plate 70. It was. On the other hand, in the magnetic plate 470 of the third modified example shown in FIG. 17, the game balls Y1 and Y2 that roll behind the front portion 470a are rolled by the transparent plate 470b fitted in the mounting hole 470a1 of the front portion 470a. Visible. As can be seen from the description of the first, second, and third modifications, the shape and size of the magnetic plate (detection area expanding member) are limited to the shape and size of the magnetic plate 70 of the first embodiment. Instead, it can be changed as appropriate. Furthermore, the “detection area expanding member” is not limited to a magnetic plate having a plate shape, and may be, for example, a rod shape, a spherical shape, or a complicated three-dimensional shape.

  In the first embodiment, the magnetic plate 70 is disposed in the dispositionable area R2 set by the first big prize opening solenoid 33. In the third form, the magnetic plate 70 is arranged in the arrangementable area set by the second big prize opening solenoid 38. A magnetic plate 170 was disposed on the surface. On the other hand, a magnetic plate may be arranged in an arrangementable region set by the electric chew solenoid 24 that drives the opening / closing member 23 of the electric chew 22, and a movable gimmick (decoration) provided in the center decorative body 10. You may arrange | position a magnetic board in the arrangement | positioning possible area | region set by the electric motor which drives the movable body 15). As can be seen from these modifications, in the pachinko gaming machine, there is a movable member that can be driven as the game progresses, and the pachinko gaming machine is within an arrangementable region set by a drive source that drives the movable member by electromagnetic force. The position of the magnetic plate can be changed as appropriate.

  In the first embodiment, the present invention is implemented using the magnetic sensor 45 provided corresponding to the first big prize opening 30. However, the magnetic sensor is not limited to the one provided corresponding to the first big prize opening 30, but the first start opening 20, the second start opening 21, the normal winning opening 27, the gate 28, the second big opening. You may implement this invention using the magnetic sensor provided corresponding to the winning opening 35, V zone 39 grade | etc.,. In this case, these locations where the magnetic sensors are provided correspond to special areas. And when implementing this invention, it is not restricted to the case where it implements using one magnetic sensor 45 and one magnetic plate 70, When using several magnetic sensors and one magnetic plate, one When a magnetic sensor and a plurality of magnetic plates are used, a plurality of magnetic sensors and a plurality of magnetic plates may be used.

  Further, in the first embodiment, as shown in FIGS. 10A and 10B, there is no member that shields magnetism around the first big prize solenoid 33 that is a driving source, and the arrangement prohibition region R1 is made the first big prize. The circular shape determined only by the characteristics of the mouth solenoid 33 was set. Therefore, the magnetic sensor 45 is arranged outside the circular arrangement prohibition region R1 and relatively far away from the first big prize winning solenoid 33. However, for example, a magnetic shielding plate may be arranged on the right side of the first grand prize winning solenoid 33, and the arrangement prohibition area may be set in a substantially semicircular shape on the left half. In this case, the magnetic sensor can be arranged outside the arrangement prohibition area and right to the magnetic shielding plate. That is, the magnetic sensor can be disposed at a position relatively close to the first big prize opening solenoid by the magnetic shielding plate. As described above, the arrangement prohibition region changes depending on the relationship between the drive source and other members such as a magnetic shielding plate, and the position of the magnetic sensor does not necessarily have to be far from the drive source.

  Further, in the second mode, when the 2R specific jackpot is won, the pachinko gaming machine in which the opening / closing member 32 opens and closes in a manner in which the winning to the first big winning opening 30 cannot be expected, and then shifts to a high probability state. there were. However, the jackpot that triggers the opening of the opening and closing member 32 in a manner that is an opportunity for shifting to the high probability state and that is not expected to win the first grand prize opening 30 is limited to the 2R specific jackpot. For example, it may be a 3R specific jackpot. That is, if it is a big win that opens the opening and closing member in a manner that is not expected to win a winning prize opening (the first winning prize opening 30 or the second winning prize opening 35) as an opportunity for the latent probability change, it can be changed as appropriate. .

  In the first and second embodiments, the front portions 70a and 170a (the game region front portion) of the magnetic plates 70 and 170 are located behind the position L2 on the back surface of the transparent plate unit 52 and from the game region 3. Was also located forward. However, the front portions 70a and 70a of the magnetic plates 70 and 170 only have to be disposed in front of the game area 3, and for example, the transparent plate unit 52 is laminated with two transparent plates at a predetermined interval. In addition, the front portions 70a, 70aa, 170a of the magnetic plates 70, 70A, 170 may be disposed between the two transparent plates.

  In each of the above embodiments, the gaming machine is not always controlled in a high probability state until the next jackpot winning (so-called ST machine), but it is substantially controlled in the high probability state until the next jackpot winning. You may comprise. Or, if the number of consecutive executions of the special game selected in the state controlled to the high probability state has reached a predetermined limit number, a gaming machine (so-called set machine) that controls the game state after the special game to the normal probability state ). Alternatively, when a game ball enters the open chucker, the blade member opens to open the route to the center bonus, and the game ball hits the V zone provided inside the center bonus to win a big hit. It may be a gaming machine (so-called bladed thing). In particular, when the gaming machine is configured as a wing member, it is preferable to dispose a magnetic sensor outside the disposition prohibition region around the driving source for driving the wing member and to dispose a magnetic plate around the wing member. As a result, a fraudulent act that causes a game ball held by a magnet to enter the inside of an accessory in accordance with the timing at which the blade member is released can be performed without arranging many magnetic sensors around the blade member. This can be effectively prevented without using a magnetic sensor.

  In each of the above-described gaming machines 1, when a predetermined profit is given to the player, a prize ball is paid out and a big win lottery is made by entering the game ball into the first start port 20 or the second start port 21. , The payout of the winning ball is executed when the game ball enters the normal winning port 27, the normal drawing lottery is executed when the gaming ball enters the gate 28, and the first big winning port 30 or 2 When a game ball enters the big prize opening 35, the payout of the prize ball is executed, and when the game ball enters the V zone 39, the game state after the end of the jackpot game may be shifted to a high probability state. . However, when a predetermined benefit is given to the player, it may be other than the case described above. For example, when the gaming machine is the above-described blade object, the blade member is opened by the entry of the game ball into the opening chucker. It may be a case where a route to the center bonus is opened, or a case where a game ball is a big hit by entering a V zone provided inside the center bonus. Moreover, as a gaming machine, what is called a 1 type 2 type mixing machine type, a right property type, a normal machine type etc. may be sufficient.

DESCRIPTION OF SYMBOLS 1 ... Pachinko machine 3 ... Game area 30 ... 1st big prize opening 32 ... Opening / closing member 33 ... 1st big prize opening solenoid 35 ... 2nd big prize opening 45 ... Magnetic sensor 70 ... Magnetic board 70a ... Front part 70a1 ... Cutting Notch 70b ... side part 70c ... rear part 81 ... microcomputer R1 for game control ... arrangement prohibition area R2 ... arrangement possible area R3 ... detection area (self-detection area)

Claims (1)

A frame-shaped front frame provided on the front side of the gaming machine frame;
A transparent plate that is provided in the front frame portion and makes the gaming area visible,
A game machine in which a predetermined benefit is provided to the player by a game medium to a special winning hole provided in the game area enters,
An opening and closing member capable of opening and closing the special prize opening as the game progresses;
A drive source for opening and closing the opening and closing member ;
Magnetic sensing means disposed outside the disposition prohibition region around the drive source and in a dispositionable region that is not actuated by magnetic flux generated by the operation of the drive source;
A detection region expanding member made of a magnetic material and expanding a detection region of the magnetic detection means;
Drive source control means for operating the drive source so that the opening and closing member opens and closes in a manner in which a winning to the special prize opening cannot be expected based on establishment of a predetermined condition ,
The detection region expansion member, along with those that are located in said placeable region state, and are not a portion of which is disposed in the detection area, and the transparent forward than the game area It has a game area front part located behind the board,
The game area front part is located in front of the opening / closing member, and includes a game ball visualizing part that makes it possible to visually recognize a game ball that rolls behind the game area front part,
The game ball visual recognition part is an opening of a part of the front part of the game area.

Images