JP2014057739A - Game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent occurrence of abnormal detection caused by magnetic force generated from an electric accessory operated by excitation control under magnetic monitoring control for detecting abnormality based on a detection result of a magnetic sensor.SOLUTION: A first magnetic sensor 202CA and a second magnetic sensor 202CB are disposed near an attacker solenoid 148. A detection optical axis of the first magnetic sensor 202CA is set perpendicular to the face of a game board 18 to detect magnetic force on front and rear faces of the game board 18. A detection optical axis of the second magnetic sensor 202CB is set parallel to the face of the game board 18 to detect magnetic force on the rear face of the game board 18. A combination of the detected results allows the magnetic force generated on the front surface of the game board 18 (mainly magnetic force by the fraudulent act) to be detected reliably.

Description

  The present invention relates to a gaming machine provided with a magnetic sensor.

  Conventionally, in gaming machines, for example, pachinko machines and pachislot machines, a predetermined game specification program is stored in an integrated circuit (including a microcomputer) mounted on a circuit board and is provided in the gaming machine. In addition, an image display unit such as an LCD, an electric decoration member such as an LED, and a movable member such as an electric accessory are controlled by the progress of the game based on the game specification program.

  A motor or a solenoid is applied to the electric accessory as a drive source for the operation. A motor or solenoid generates a magnetic force when driven. In particular, a solenoid is a mechanism that operates an actuator with an exciting force. For example, a pachinko machine can open and close an accessory device such as an electric tulip or a big prize opening (attacker) in a pachinko machine. The operation is applied to a drive source for the operation of the movable part for production. In addition, since a permanent magnet is applied to the motor and a magnetic force is generated by passing a current, the influence of the magnetic force is exerted on the surroundings.

  By the way, there is an illegal act of guiding a game ball with a magnetic force using a magnet or the like through the glass on the game board side. For example, during an attacker's opening / closing operation that is performed when a big hit is made, a game ball stays magnetically on the upper part of the attacker, wins the attacker at once, and wins illegally by winning far beyond the original winning ball limit number. There is a fraudulent act that receives a ball.

  For this reason, a magnetic sensor is attached to an appropriate part of the game board, and magnetic monitoring control is executed. In the magnetic monitoring control, when the magnetic force is detected by the magnetic sensor, the game specification program is interrupted or an alarm is sounded to take illegal measures. By this magnetic monitoring control, fraudulent acts due to magnetic force using a magnet or the like can be prevented in advance.

  On the other hand, a solenoid that operates an actuator with an exciting force is applied to the game board as a drive source of the electric accessory. It is contrary to the meaning of the magnetic monitoring control to detect the excitation operation of the solenoid and to execute the countermeasure against fraud.

  For this reason, it has been proposed to dispose the solenoid while avoiding the detection area (sensing range) of the magnetic sensor (see Patent Document 1).

JP 2009-066342 A

  However, as in Patent Document 1, each mounting position must be selected in consideration of the relative positional relationship between the magnetic sensor (that is, the detection region) and the solenoid, which greatly restricts the structure. Will receive.

  In particular, the detection area of the magnetic sensor may fluctuate with respect to the designed detection area of the single magnetic sensor in the initial stage of installation due to changes in the performance of the magnetic sensor over time or the positional relationship with surrounding metal parts. is there.

  When such a change occurs, it is impossible to change the mounting position of a magnetic sensor or solenoid that is already fixedly mounted, and the detection accuracy of the magnetic sensor must be lowered, which may hinder countermeasures against fraud. become.

  Further, as a factor that lowers the detection accuracy of the magnetic sensor, it is conceivable that the production of electric accessories accompanied by operations is diversified. In this electric accessory, when the solenoid for operating the electric accessory is installed on the back side of the game board, the solenoid may be forced to enter the detection range of the magnetic sensor due to the limitation of the installation space. .

  In consideration of the above-mentioned fact, the present invention detects occurrence of abnormality due to magnetic force generated from a drive unit such as an electric accessory operated by excitation control under magnetic monitoring control for detecting abnormality based on the detection result of the magnetic sensor. The object is to obtain a gaming machine that can be prevented.

  The present invention uses a state of excitation or non-excitation by energization control to move a movable part provided on a game board surface to at least two positions, and a detection range of magnetic force includes a surface of the game board. A first magnetic sensor provided at a position affected by the excitation by the energization control of the drive unit and a detection range of the magnetic force are a back side space of the game board, The second magnetic sensor provided at a position affected by the excitation by the energization control of the drive unit, and detection signals from the first magnetic sensor and the second magnetic sensor as input sources, the first When the detection signal from the magnetic sensor is a magnetic force exceeding a predetermined strength and the detection signal from the second magnetic sensor is a magnetic force not exceeding the predetermined strength, an abnormal signal is output, and the game board On the surface side It has a monitoring means for monitoring the occurrence, the.

  According to the present invention, the drive unit moves the movable unit provided on the game board surface to at least two positions using the excited or non-excited state by the energization control.

  The first magnetic sensor is provided at a position where the detection range of the magnetic force is the space on the front surface side and the back surface side of the game board, and is affected by the excitation by the energization control of the drive unit.

  The second magnetic sensor is provided in a position where the detection range of the magnetic force is the back side space of the game board and is affected by the excitation by the energization control of the driving unit.

  The monitoring means uses the detection signals from the first magnetic sensor and the second magnetic sensor as input sources, the detection signal from the first magnetic sensor is a magnetic force exceeding a predetermined intensity, and the second When the detection signal from the magnetic sensor is a magnetic force that does not exceed a predetermined strength, an abnormal signal is output, and the generation state of the magnetic force on the surface side of the game board can be monitored.

  On the other hand, by using the second magnetic sensor together, it is possible to prevent an abnormal signal from being erroneously output under the influence of magnetism due to driving of the drive unit.

  According to the present invention, the surface of the game board has an opening capable of receiving a game ball depending on the operating state of the movable part, and the first magnetic sensor is a game based on the opening. It is characterized by arrange | positioning so that the surface side and back surface side space of a board may become the detection range of magnetic force.

  The first magnetic sensor can prevent an illegal act such as guiding a game ball using a magnetic force particularly in the vicinity of the opening of the opening.

  Furthermore, in the present invention, the driving unit drives a first driving unit for driving a movable unit provided in the opening and an effecting movable unit provided separately from the opening. The second drive unit is provided.

  In particular, it is possible to prevent fraud using magnetic force by setting the drive unit that operates the movable unit that controls opening and closing of the opening to be within the detection range of the first magnetic sensor and the second magnetic sensor.

  In addition, the present invention is further characterized by further comprising a notifying means for receiving an abnormal signal output from the monitoring means and notifying the occurrence of an abnormal magnetic force.

  By promptly informing the occurrence of an abnormal magnetic force, it is possible to more reliably prevent an illegal act that induces a game ball using the magnetic force.

  As described above, in the present invention, under the magnetic monitoring control for detecting an abnormality based on the detection result of the magnetic sensor, the occurrence of the abnormality detection due to the magnetic force generated from the drive unit such as the electric accessory operated by the excitation control is prevented. It has an excellent effect of being able to.

It is a front view of the pachinko machine concerning a 1st embodiment. It is a front view of the game board concerning a 1st embodiment. It is a block diagram which shows the hardware constitutions of the control system which concerns on 1st Embodiment. (A) is a front view of an electric accessory provided with an attacker, and (B) is a sectional view taken along line IVB-IVB in FIG. 4 (A). It is the perspective view which looked at the electric accessory provided with the attacker from the back. It is a functional block diagram of the fraud monitoring control part which concerns on 1st Embodiment. It is a flowchart which shows the flow of the fraud monitoring control which concerns on 1st Embodiment. According to the second embodiment, (A) is a circuit diagram for fraud monitoring control, and (B) is a truth value in the logic circuit section of FIG. 8 (A). According to the third embodiment, (A) is a circuit diagram for fraud monitoring control, and (B) is a truth value in the logic circuit section of FIG. 8 (A).

(Configuration of pachinko machine)
As shown in FIG. 1, a lower decoration 12 serving as a decorative panel is attached to the lower front portion of the pachinko machine 10.

  Further, a glass frame 16 equipped with a pair of glass plates 14 arranged in parallel to each other and at a predetermined interval in the depth direction is arranged on the upper part of the undergarment 12 of the pachinko machine 10. The left end is pivotally supported and attached so that it can be opened and closed. On the back side of the glass frame 16, a detachable / replaceable game board 18 is set, and the game board 18 faces the glass plate 14 while being closed by the glass frame 16.

  An integrated dish 24 is disposed below the glass frame 16. A key hole 27 is provided at the right end of the integrated dish 24 in FIG. 1, and the glass frame 16 is opened when the key is inserted into the key hole 27 and turned to one of the left and right sides, and the integrated dish 24 is opened when turned to the other side. To do.

  The integrated plate 24 is provided with an upper plate portion 28 and a lower plate portion 30. An upper dish ball removal lever 34 is provided on the peripheral wall portion 32 forming the upper dish part 28, and by operating the upper dish ball removal lever 34, the game balls stored in the upper dish part 28 are removed from the lower dish. It can be sent to the section 30. Further, the lower dish portion 30 is provided with a lower dish ball removal button 36. By operating the lower dish ball removal button 36, the game balls PB stored in the lower dish portion 30 are externally (for example, so-called "" It can be discharged into a dollar box ").

  A ball lending button 42 and a return button 44 are provided on the right end portion of the peripheral wall portion 32 of the upper plate portion 28 in FIG.

  A grip unit (launching handle) 26 for adjusting the firing force (flying distance) of the hit ball is attached to the lower right portion of the integrated dish 24, and an ashtray 46 is attached to the lower left portion.

  A saucer speaker 60U is disposed on the right side of the lower dish portion 30 of the integrated dish 24 in FIG.

  Here, an operation button 50 that can be operated by the player is provided on the peripheral wall 32 of the upper plate portion 28 in the integrated plate 24. This operation button 50 can be intervened in the effect image by operating during the operation effective period during the game, and is set according to each game specification.

  Around the glass plate 14 in the glass frame 16, an upper effect section that turns on, turns off, and blinks in accordance with the progress of the game in an arch shape to produce visual effects such as lighting and auditory effects such as sound. 52 is arranged. The lower end portion of the upper effect portion 52 is connected to the upper end portion of the lower effect portion 54 arranged in a substantially U shape around the integrated dish 24.

  As a result, the effect unit 56 is formed by the upper effect unit 52 and the lower effect unit 54 so as to surround the game board 18.

  The effect unit 56 includes a substrate (not shown) to which an illumination member (LED or the like) is attached, and a lens cover formed with a predetermined design so as to cover the substrate. 58 is attached.

  The lens cover 58 is cut into a concavo-convex shape so as to divide an area where the illumination member is lit, and lighting control of the illumination member is performed for each of the divided areas (hereinafter referred to as “lens portion 58” as necessary). Made. The lighting member basically has a set of LEDs that are lit in three colors of R (red), G (green), and B (blue). Although it can be lit, it may be lit in a single color. Alternatively, the lens portion 58 may be colored in advance.

  A triple display 62 is provided at each of the upper corners of the glass frame, and is applied to gaming state notification (including error notification and the like).

  Further, glass frame speakers 60C, 60L and 60R are built in the center and both ends of the area corresponding to about 1/3 of the upper arc of the glass frame 16 in the upper effect section 52, and sound is output simultaneously with illumination. To do.

  Hereinafter, the saucer speaker 60U and the glass frame speakers 60C, 60L, and 60R are collectively referred to as “speaker 60”.

(Game board configuration)
The game board 18 shown in FIG. 2 has a resin sheet-like cell attached to a plywood board serving as a substrate, and the surface of the cell is a board surface. An arc-shaped outer rail is provided near the outer peripheral edge of the board surface. 102 and the inner rail 104 are attached. A transparent acrylic plate or the like may be used instead of the veneer plate. In the circular area surrounded by the outer rail 102 and the inner rail 104, the game ball PB launched and driven from the launching device 165 (see FIG. 3) can be moved by its own weight fall, and this area is a game. This is a gaming area where

  In the game area of the game board 18, nails 19 (partial indices) are scattered and driven, and a windmill 21 is attached. In addition, a center accessory 105 is arranged almost in the center of the game area. The center accessory 105 includes movable accessory devices 105A and 105B that operate mechanically, and a display unit 106 that displays images such as various effects. Although detailed explanation is omitted, the movable accessory devices 105A and 105B are projected to the front of the display unit 106 as an operation for giving a player a sense of expectation of winning based on a result of a special symbol lottery described later. In addition, operation effects such as widening or narrowing the display surface of the display unit 106 are performed. On the other hand, LCD display, LED display, and the like can be applied to the display unit 106, but the display unit 106 is not particularly limited to the display form.

  In the display unit 106, for example, a symbol variation pattern effect for informing the result of the special symbol lottery is executed. As an example, if the symbol pattern of 3 columns is individually changed, and the symbol pattern when 2 of the symbol columns are stopped changing, the symbol becomes the same symbol. When the final row stops and becomes the same symbol as the already stopped two rows of symbols, the winning is notified, and when it becomes a different symbol, a loss is notified.

  A stage 105 </ b> S is formed at the lower side of the center accessory 105. A game ball PB received by rebounding with a nail or the like, or a game ball PB received guided by a warp path (not shown) is sent to the stage 105S.

  The stage 105S is formed with an inclined surface, a protrusion, etc., and the movement of the game ball PB changes irregularly by the inclined surface, the protrusion, etc., and finally returns to the game board 18 from the lower side. ing.

  As shown in FIG. 2, a special symbol start winning opening (A) 130 is arranged at the lower part of the center accessory 105. The special symbol start winning opening (A) 130 is open at the top so that it can always win.

  Further, at the lowest position of the game area of the game board 18, there is provided an out port 124 through which the dislodged ball is discharged to the back side of the game board 18.

  On the other hand, as shown in FIG. 2, a passing gate 118 having a normal symbol lottery starting function is arranged on the right side of the center accessory 105 in FIG.

  A special symbol start winning opening (B) 134 is disposed below the passing gate 118. The upper opening of the special symbol start winning opening (B) 134 is normally closed by the nail 19.

  An electric tulip 136 is attached to the special symbol start winning opening (B) 134. The electric tulip 136 is configured to open and close by energization / non-energization of an electric chew solenoid 138 (see FIG. 3) disposed on the back side of the game board 18.

  The electric tulip 136 is opened when the normal symbol lottery is won. When the electric tulip 136 is in the open state, the pachinko ball PB can be received in the winning opening of the special symbol start winning opening (B) 134, and the pachinko ball PB can be won.

  At the lower part of the special symbol start winning opening (B) 134, an attacker 112 dedicated to the jackpot for the special symbol lottery is arranged near the lower end of the game area.

  The attacker 112 is provided with an opening / closing door 116. The opening / closing door 116 is opened or closed by energization / non-energization of the attacker solenoid 148 (see FIG. 3). That is, when the open / close door 116 is opened, the game ball PB dropped on the open / close door 116 is guided by the open / close door 116 and wins the attacker 112.

  Here, when the game ball PB wins the special symbol start winning opening (A) 130 or the special symbol start winning opening (B) 134, the special symbol lottery is executed.

  In the special symbol lottery, when the “big hit” is won, the opening / closing door 116 of the attacker 112 is opened and closed in a predetermined pattern, and this is repeated a predetermined number of times (a predetermined round) (“special game”, “main character processing”). Etc.)).

  Note that the winning (“big hit”), which is the lottery result of the special symbol lottery, is mainly notified in the symbol variation display effect of the display unit 106, and in the case of the symbol variation display effect or during the major role processing, the lottery is performed. The notification of the result is on standby (holding / storing), and the notification is made sequentially. In addition to the symbol variation display effect, a character such as an anthropomorphic animal is displayed, and a visual effect is given to give the player a sense of expectation by implying that they have won the special symbol lottery. In this case, the player's interest is increased by sound effects.

  For example, while the normal time is a game in which the player hits the left side toward the center actor 105 (so-called “left-handed state”), the center actor 105 is directed toward the attacker 112 during the major player process. The game is changed to a game (so-called “right-handed state”) in which the player hits the right side of the game.

  In addition, when the game ball PB passes through the passing gate 118 in a specific gaming state (for example, “right-handed state” for a certain period after the big role processing), a normal symbol lottery is executed, and when the normal symbol lottery is won, The electric tulip 136 is opened. In the specific gaming state, since the electric tulip is opened for a long period of time, the probability of winning the special symbol start winning opening (B) 134 increases as compared to gaming states other than the specific gaming state.

  In the first embodiment, the specific gaming state is “short-time gaming state with electric tulip 136 support” (sometimes referred to as “short time with electric support”, “short time with electric support”, etc.), The base with short support is set to 20 while the base with short support is set to 100. The base is the ratio of the number of prize balls paid out relative to the number of shot balls. For example, when 100 game balls PB are fired and there are 20 prize balls paid out, the base 20 is called. The time when there is a ball payout is called the base 100.

  The game board 18 has a plurality of general prize openings 120 (first implementation) on the left side of the special symbol start winning opening (A) 130 (lower left of the game board 18) below the center role 105. In the embodiment, an accessory device 107 provided with two general winning ports 120A and 120B is provided. The number of the general winning openings 120 is not limited to two. For example, the number may be determined by a design calculation such as a basic base and a winning rate.

  In the first embodiment, a maximum of four special symbol start winning openings (in the first embodiment, the special symbol start winning opening (A) 130 and the special symbol start winning opening (B ) Since it is two special symbol start winning holes 134), it is possible to hold (memory for the start winning of the game ball). The number of reserved balls is not limited.

  The number of reserved balls is mainly determined by a special symbol memory display unit which is a part of the game progress guide lamp unit 109 having a special symbol display unit (located at the lower right when the center accessory 105 shown in FIG. 2 is viewed from the front). Informed.

  In addition, an electrical decoration device 122 is disposed on the surface of the game board 18 between the center accessory 105 and the accessory device 107 so as to be embedded on the back side of the surface. It can be seen that there is a portion into which the nail 19 is driven on the front surface of the electric decoration device 122, and it is on a flow path through which the game ball PB can pass. For this reason, the player can visually recognize the effect state of the electrical decoration device 122 without shifting the line of sight of the trend of the game ball PB.

(Anti-fraud measures)
In the pachinko machine 10 according to the first embodiment, a fraudulent act that attempts to change the trend of the game ball PB by shaking or hitting the pachinko machine 10, and a glass plate 14 ( As a countermeasure against fraud that attempts to change the trend of the game ball PB by moving it closer to FIG. 1), the back side of the game board 18 has a vibration sensor 200 and a plurality of (first embodiment). In this example, four magnetic sensors 202A and 202B, a first magnetic sensor 202CA, and a second magnetic sensor 202CB are provided.

  As will be described in detail below, the first magnetic sensor 202CA and the second magnetic sensor 202CB perform control to function as a pair when detecting the magnetic force.

  The vibration sensor 200 is provided at an upper left corner (that is, an upper right corner on the back side) with respect to the front of the game board 18 shown in FIG. 2 (see a rectangular frame).

  The position of the vibration sensor 200 is not particularly limited, and may be attached to a position where vibration is most easily transmitted with respect to the entire game board 18. In the first embodiment, the vibration of the entire area of the game board 18 is detected by one vibration sensor 200, but a plurality of vibration sensors 200 may be arranged.

  On the other hand, the magnetic sensor 202A is located at the upper left of the special symbol start winning opening (A) 130 (that is, the upper right of the special symbol starting winning opening (A) 130 on the back side) with respect to the front of the game board 18 shown in FIG. To be arranged).

  The magnetic sensor 202B is arranged above the special symbol start winning opening (B) 134 and in the vicinity of the arrangement position of the passing gate 118 with respect to the front of the game board 18 shown in FIG.

  The first magnetic sensor 202CA and the second magnetic sensor 202CB are disposed at the lower right of the attacker 112 (that is, the lower left of the attacker 112 on the back surface side).

  In FIG. 2, the four magnetic sensors 202A and 202B, the first magnetic sensor 202CA and the second magnetic sensor 202CB are indicated by a rectangular frame, and the magnetic force detection range Amag is indicated by a circular or elliptical dotted line frame. . The magnetic force detection range Amag is actually a three-dimensional space like a sphere. The detection surfaces (optical axes) of the magnetic sensors 202A and 202B and the first magnetic sensor 202CA are oriented in the depth direction of FIG. 2 (substantially perpendicular to the game board 18 surface), and the second magnetic sensor 202CB is The detection surface (optical axis) is directed in the left-right direction in FIG. 2 (almost horizontal direction so as to face the game board 18).

  Here, in the magnetic force detection ranges Amag of the magnetic sensors 202A and 202B, the first magnetic sensor 202CA, and the second magnetic sensor 202CB, as described above, the special symbol start winning opening (A) 130, special symbol start winning opening (B) 134, and attacker 112 are present. These common points are the accessory device provided with a winning opening. In addition, there is a case of an electric accessory that moves a movable member (such as the electric tulip 134 and the opening / closing member 116) by magnetic force.

  In the case of this electric accessory, for example, when the opening / closing door 116 of the attacker 112 is open, there is an illegal act such as bringing the magnet close to the hand, causing the game balls PB to concentrate and stay and win at once. The first magnetic sensor 202CA outputs a detection signal having a strength for notifying abnormality.

  The main control unit 150 described later is provided with a fraud monitoring control unit 204 (see FIG. 3), which receives detection signals from the magnetic sensors 202A and 202B, the first magnetic sensor 202CA, and the second magnetic sensor 202CB. Accepted as an input source, compared with a predetermined threshold value, and when the detection signal exceeds the threshold value, an abnormal signal is output to monitor fraud (details will be described later) . The fraud monitoring control unit 204 receives a detection signal from the vibration sensor 200 and also performs fraud monitoring regarding vibration.

  On the other hand, when the movable member is operated using a magnetic force in the accessory device, particularly the electric accessory, the magnetic sensor 202B and the first magnetic sensor 202CA, each of which is in the magnetic force detection range Amag, detect a detection signal having a strength for notifying abnormality. May be output.

  For example, in the attacker 112 as well, when the door 116 is opened, the attacker solenoid 148 (see FIGS. 4 and 5) is excited, and the magnetic force due to this excitation may be detected by the first magnetic sensor 202CA. is there.

  In order to avoid this, the attacker solenoid 148 may be disposed at a position deviating from the magnetic force detection range Amag. However, the structural restriction is great, and the degree of freedom of the arrangement of the objects on the game board 18 is lost.

  Therefore, in the first embodiment, the driving source that generates the magnetic force of the electric power article, and the magnetic force detection area Amag of the magnetic sensor (the magnetic sensor 202B and the first magnetic sensor 202CA in the first embodiment) Thus, a fraud monitoring control unit 204 that avoids erroneous output of an abnormal signal due to the operation of the drive source is constructed.

  Hereinafter, based on FIG. 4 and FIG. 5, the detailed structure of the attacker 112 located in the magnetic force detection range Amag of the first magnetic sensor 202CA will be described as an example of the electric accessory.

  FIG. 4A is a front view of the attacker electric accessory 206 as seen from the front of the game board 18, and the decorative member 208 made of synthetic resin constituting the entire appearance is a part of a circular game area. It is formed in an arc shape along the lower right arc.

  The decorative member 208 is formed with a horizontally long rectangular (rectangular) opening 210 (see FIG. 4B). The opening 210 is one of the winning holes for the game ball PB falling on the game board 18 and receives a winning ball when winning.

  The lower side of the opening 210 is connected to the lower side of the opening / closing door 116 via a hinge (not shown). Therefore, the opening / closing door 116 functions as a receiving member that closes the opening 210 around the lower side, and opens the opening 210 and guides the falling game ball PB to the opening 210.

  As shown in FIG. 5, on the back side of the opening 210, a bracket 212 is provided that guides the winning game ball PB and supports an attacker solenoid 148 that performs the opening / closing operation of the opening / closing door 116. The attacker solenoid 148 is provided with an actuator 148A (see FIG. 4A) that expands and contracts by excitation / non-excitation, and the actuator 148A and the opening / closing door 116 are connected via a link mechanism (not shown).

  Therefore, the opening / closing door 116 is opened / closed by excitation / de-energization of the attacker solenoid 148.

  A first magnetic sensor 202CA is attached to the bracket 212 so that the detection surface faces the back surface of the game board 18. The detection range Amag of the first magnetic sensor 202CA is circular when viewed from the front of the game board 18, as shown in FIG. However, actually, as shown in FIG. 4B, a substantially spherical detection range Amag is formed before and after the detection surface of the magnetic sensor 202C.

  The detection range Amag of the first magnetic sensor 202CA sufficiently secures an area on the front surface of the game board 18 where an illegal act may be executed. On the other hand, the detection range Amag of the first magnetic sensor 202CA includes the attachment area of the attacker solenoid 148. For this reason, when the attacker solenoid 148 is excited, the first magnetic sensor 202CA outputs a detection signal having an intensity exceeding the threshold value. That is, this detection signal can be an abnormal signal indicating that the illegal act has been executed.

  A second magnetic sensor 202CB is attached to the back side of the bracket 212 so that the detection surface (optical axis) is parallel to the game board 18 (substantially horizontal direction). As shown in FIG. 2, the detection range Amag of the second magnetic sensor 202 </ b> CB has a substantially spherical detection range Amag before and after the detection surface when viewed from the front of the game board 18.

  The detection range Amag of the second magnetic sensor 202CB includes the attachment area of the attacker solenoid 148. Therefore, when the attacker solenoid 148 is excited, the second magnetic sensor 202CB outputs a detection signal having an intensity exceeding the threshold value.

  On the other hand, in the detection range Amag of the second magnetic sensor 202CB, the front surface of the game board 18 is out of the area, and unlike the first magnetic sensor 202CA, the illegal action using the magnetic force on the front surface of the game board 18 is detected. It is not something to detect.

That is, whether or not an abnormal signal can be output is determined based on a combination of detection signals from the first magnetic sensor 202CA and the second magnetic sensor 202CB. More specifically, in the first magnetic sensor 202CA, an abnormal signal is output to output a detection signal exceeding a threshold value when an illegal act occurs and during the excitation of the attacker solenoid 148. In the magnetic sensor 202CB, when a detection signal exceeding the threshold value is output by excitation of the attacker solenoid 148, the abnormal signal is not output.
(Control system configuration)
Next, the control system of the pachinko machine 10 will be described with reference to FIG.

  As shown in FIG. 3, the control system of the pachinko machine 10 according to the first embodiment is configured with a main control unit 150 as a center. The main control unit 150 includes an effect control unit 152 and a payout control. The unit 154 is connected. The main control unit 150 stores a basic program relating to games, and the operation of each unit is controlled based on a command signal from the main control unit 150.

  Information indicating the progress of the game (start winning signal, jackpot signal, symbol determination number signal, etc.) is transmitted from the main control unit 150 to the hall computer (not shown) via the board external terminal 190.

  The main control unit 150 includes, as an input system, a pass gate sensor 118S that detects a game ball PB passing through the pass gate 118, and a special figure A start port sensor that detects a winning ball to the special symbol start winning port (A) 130. 130S, special figure B start opening sensor 134S for detecting a winning ball to the special symbol starting winning opening (B) 134, an attacker sensor 112S for detecting a winning ball to the attacker 112 that is released in the case of "big hit", a general winning opening General winning sensors 120AS and 120BS for detecting winning balls to 120A and 120B are connected.

  Further, the vibration sensor 200, the magnetic sensors 202A and 202B, the first magnetic sensor 202CA, and the second magnetic sensor 202CB are connected for the input system of the main control unit 150 and for fraud monitoring.

  In addition, the main control unit 150 has an output system that opens and closes a guide lamp unit 109 for notifying game information and a game state by lighting a lamp, an electric chew solenoid 138 for opening and closing the electric tulip 136, and an opening and closing door 116 for the attacker 112. An attacker solenoid 148 is connected for the purpose.

  The operation control unit 50 is connected to the effect control unit 152 as an input system. In addition, the effect control unit 152 includes, as an output system, an LED chip 122A of the illumination device 122, a light source 137 for lighting effects provided in various game parts of the pachinko machine 10, and a speaker 60 (60L, 60C, 60R). , 60U) are connected.

  Furthermore, the display unit 106 is connected to the effect control unit 152 via the symbol control unit 156.

  The payout control unit 154 is connected to a payout device 160 and a launch control unit 164, and the launch control unit 164 is connected to a launch device 165. The payout control unit 154 operates the payout device 160 provided in the pachinko machine 10 to control the payout and lending ball payout and stop operations and the number of payouts. In addition, the launch control unit 164 activates the launch device 165 by the operation of the grip unit 26 (see FIG. 1) by the player to start launch of the game ball PB and the launch force according to the operation amount of the grip unit 26. To control.

  Further, the payout control unit 154 transmits payout information to a hall computer (not shown) installed in the hall via the frame external terminal 191.

  The main control unit 150 also includes a fraud monitoring control unit that monitors fraud based on detection signals from the vibration sensor 200 and the magnetic sensors 202A and 202B, and the first magnetic sensor 202CA and the second magnetic sensor 202CB. 204 is provided.

(Function of fraud monitoring control unit 204)
FIG. 6 is a functional block diagram for fraud monitoring control in the fraud monitoring control unit 204 for the surroundings of the first magnetic sensor 202CA, the second magnetic sensor 202CB, that is, the attacker 112. FIG. It should be noted that fraud monitoring control is possible with the same function in the other magnetic sensors 202A and 202B.

  Further, in the vibration sensor 200, although not shown, the player or the like intentionally and improperly uses the game board 18 with the vibration state (intensity (amplitude), number of unit vibrations (frequency), vibration period, etc.) as parameters. It is only necessary to monitor whether or not an action such as shaking or hitting is being performed.

  As shown in FIG. 6, the first magnetic sensor 202CA is connected to the detection signal receiving unit 214A. The detection signal receiving unit 214A receives a detection signal corresponding to the intensity of magnetism detected by the first magnetic sensor 202CA. Further, the second magnetic sensor 202CB is connected to the detection signal receiving unit 214B. The detection signal receiving unit 214B receives a detection signal corresponding to the intensity of magnetism detected by the second magnetic sensor 202CB.

  The detection signal reception unit 214A is connected to the signal strength comparison unit 216A. Further, a signal strength threshold storage unit 218A is connected to the signal strength comparison unit 216A. For this reason, the detection signal from the first magnetic sensor 202CA and the threshold value are input to the signal intensity comparison unit 216A, and both are compared.

  Further, the detection signal receiving unit 214B is connected to the signal intensity comparing unit 216B. In addition, a signal strength threshold storage unit 218B is connected to the signal strength comparison unit 216B. Therefore, the signal intensity comparison unit 216B receives the detection signal from the second magnetic sensor 202CB and the threshold value, and compares them.

  In the signal strength comparison units 216A and 216B, when the signals from the first magnetic sensors 202CA and 202CB are analog signals (for example, voltage values) corresponding to the strength of the magnetic force, A / D conversion (for example, 8-bit data) is performed. Conversion).

  The comparison results in the signal strength comparison units 216A and 216B are sent to the magnetic abnormality presence / absence determination unit 220. In the magnetic abnormality presence / absence determination unit 220, the detection signal from the first magnetic sensor 202CA is a detection signal that exceeds a threshold value, and the detection signal from the second magnetic sensor 202CB is a detection signal that is equal to or less than the threshold value. In addition, it is determined as “abnormal”, and when it is determined as “abnormal”, an output instruction signal for an abnormal signal is transmitted to the abnormal signal output unit 222.

  The abnormal signal output unit 222 is connected to the panel external terminal 190 and the notification device 226 (the display unit 106, the light source 137, the speaker 60, and the like), and outputs a signal for reporting the abnormality to each. For example, an abnormal signal decodable by the host computer is output to the board external terminal 190. Further, an abnormal signal based on image expression is output to the display unit 106. An abnormal signal based on lighting expression is output to the light source 137. An abnormal signal by voice expression is output to the speaker 60. The output destination of the abnormal signal may be one, or two or more may be used together.

  The operation of the first embodiment will be described below.

  In the game using the pachinko machine 10, when the player operates the grip unit 26, the ball is shot upward by the launching device 165 one by one. The launched game ball PB is driven into the substantially circular game area of the game board 18 along the outer rail 102 and falls in the game area while changing the direction by hitting the game nail or the windmill. Then, the game ball PB reaching the lower end of the game area without winning a prize is collected into the pachinko machine 10 from the out port 124.

(Game specifications according to the first embodiment)
In the first embodiment, the so-called “left-handed” game is the basic (basic game). That is, the special symbol start winning opening (A) is adjusted while abutting against an obstacle such as a windmill or a nail by adjusting the firing strength of the game ball PB so as to pass through the left side of the game board 18 with the display unit 106 as a boundary. The game ball is guided to 130, and when winning, a special symbol lottery is executed.

  In the special symbol lottery, the player is notified of the lottery result by the symbol variation pattern effect executed on the display unit 106. The symbol variation pattern effect is executed by selecting a symbol variation pattern type from the symbol variation pattern selection table based on an instruction signal from the main control unit 150 or the like.

  When the special symbol lottery is won, the open / close door 116 of the attacker 112 is opened for a predetermined time and a predetermined number of times, and a big game process is executed to dramatically increase the winning of the game ball from the normal gaming state.

  Apart from the basic game, the big game process is a so-called “right-handed” game.

  That is, by adjusting the firing strength of the game ball PB so that it passes through the right side of the game board 18 with the display unit 106 as a boundary, the game ball is guided to the attacker 112 while contacting an obstacle such as a windmill or a nail. Go.

  Next, when the big character process is completed, there are a case where the left-handing is returned and a case where the right-handing is continued. When the right hand is continued, the game ball is guided to the special symbol start winning opening (B) 134. At this time, it is in a short-time state, and when the game ball PB passes the passing gate 118, the normal symbol lottery is executed in the short-time state. The special symbol start winning opening (B) 134 can be won. When the game ball PB wins the special symbol start winning opening (B) 134, the special symbol lottery is executed in the same manner as the special symbol start winning opening (A) 130.

  Here, the program for executing the game specifications is stored in a storage unit (for example, ROM) of the main control unit 150, and the program is executed. Further, the main control unit 150 executes the operation of the electric chew solenoid 138, the operation of the attacker solenoid 148, and the lighting control of the guide lamp unit.

  Further, the effect control unit 152 includes display control of the display unit 106 through the symbol control unit 156, and an effect through hearing and vision is executed. The payout control unit 154 executes payout control of the game ball PB.

  Hereinafter, the fraud monitoring control routine by the first magnetic sensor 202CA and the second magnetic sensor 202CB according to the first embodiment will be described according to the flowchart of FIG.

  In step 250, a detection signal from the first magnetic sensor 202CA is captured. In the next step 252, the threshold value is read, and then the process proceeds to step 254 to compare the signal strength of the detection signal (for example, 8-bit data corresponding to the magnetic force strength) with the threshold value.

  In the next step 256, it is determined whether or not the signal strength of the detection signal exceeds the threshold value as a result of the comparison in step 254. If the determination is negative, it is determined that there is no fraud, and this routine is performed. Ends.

  On the other hand, if an affirmative determination is made in step 256, it is determined that there is a possibility of fraud, and the process proceeds to step 258 to capture the detection signal from the second magnetic sensor 202CB. In the next step 260, the threshold value is read, and then the process proceeds to step 262, where the signal strength of the detection signal (for example, 8-bit data corresponding to the magnetic force strength) is compared with the threshold value.

  In the next step 264, it is determined whether or not the signal strength of the detection signal exceeds the threshold value as a result of the comparison in step 262. If the determination is negative, a magnetic force is generated on the back side of the game board 18. However, since a magnetic force is generated on the front surface of the game board 18, it is determined that it is an illegal act, and the routine proceeds to step 266, where an abnormal signal is output, and this routine ends.

  If the determination in step 264 is affirmative, since a magnetic force is generated on the back side of the game board 18 (the attacker solenoid 148 is driven), a magnetic force is generated on the front surface of the game board 18. Therefore, the process proceeds to step 268 to cancel the output of the abnormal signal.

  The main function of the second magnetic sensor 202CB is to detect the driving state of the attacker solenoid 148 (the generation state of the magnetic force). However, for example, driving for operating the movable object for production within the detection range. Even when the production solenoid is arranged as a source and the first magnetic sensor 202CA determines that an abnormality has occurred, the output of the abnormality signal based on the abnormality may be canceled during the operation of the production solenoid. .

  According to the first embodiment, the first magnetic sensor 202CA and the second magnetic sensor 202CB are disposed in the vicinity of the attacker solenoid 148, and the detection optical axis of the first magnetic sensor 202CA is perpendicular to the surface of the game board 18. It is possible to detect the magnetic force of the front and back surfaces of the game board 18 and to detect the magnetic force of the back surface of the game board 18 by making the detection optical axis of the second magnetic sensor 202CB parallel to the game board 18 surface. By the combination, it is possible to reliably detect the magnetic force (mainly magnetic force caused by fraud) generated on the front surface of the game board 18.

  In the first embodiment, the unauthorized monitoring control and the avoidance of monitoring while the electric accessory is moving are performed by so-called software processing. However, based on the driving state of the driving unit such as the attacker solenoid 148, so-called hardware is performed. For example, the wiring of the magnetic sensors 202A and 202B, the first magnetic sensor 202CA, and the second magnetic sensor 202CB may be intermittent.

  In addition, the fraud monitoring control unit 204 of the first embodiment is configured to determine whether there is an abnormality by comparing the strength of the magnetic detection signal with a threshold value.

  That is, in the first embodiment, the signal strength comparison units 216A and 216B, the signal strength threshold value storage units 218A and 218B, and the magnetic abnormality presence / absence determination unit 220 receive the first detection signals by the detection signal reception units 214A and 214B. When the signals of the magnetic sensor 202CA and the second magnetic sensor 202CB are analog information and exceed a predetermined signal strength, control is performed as an abnormal signal.

  On the other hand, the first magnetic sensor 202CA and the second magnetic sensor 202CB themselves output digital information (binary signal “H / L signal”) when it receives an abnormal magnetic force and when it does not. It may be configured to determine whether to output an abnormal signal based on the digital signal received by the detection signal receiving unit 214.

(Second Embodiment)
The second embodiment of the present invention will be described below.

  In the first embodiment, the signal strength comparison units 216A and 216B compare whether or not the detection signal from the first magnetic sensor 202CA exceeds a threshold value, and the magnetic abnormality presence / absence determination unit 220 In the case where the detection signal from the first magnetic sensor 202CA exceeds the threshold value, it is determined whether or not the detection signal is due to fraud, and monitoring control of the fraud is performed using a so-called software program. In the second embodiment, the authenticity of the abnormal signal is determined by so-called hardware (circuit configuration).

  As shown in FIG. 8A, in the second embodiment, the first magnetic sensor 202CA and the second magnetic sensor 202CB are magnetic detection signal management provided on the upstream side of the fraud monitoring control unit 204. It is connected to the circuit unit 205.

  FIG. 8A is a circuit diagram showing a detailed circuit configuration of the magnetic detection signal management circuit unit 205.

  The first magnetic detection sensor 202CA and the second magnetic sensor 202CB include NPN transistors 230A and 230B (hereinafter referred to as “TR230A” and “TR230B”), respectively, and the base (B) has an execution of fraud. DC power is supplied so as to emit an L signal when receiving a magnetic force conforming to, and an H signal when not receiving a magnetic force conforming to execution of an illegal act. Further, a DC power supply line 234 is connected to the collectors (C) of TR230A and TR230B via a resistor 232A, respectively, and the emitter (E) is grounded via a ground line (earth line) 236.

  The collector (C) of the TR 230A is connected to the first input terminal 258A of the logic circuit section 258 via the signal line 237A. The collector (C) of the TR 230B is connected to the second input terminal 258B of the logic circuit section 258 via the signal line 237B.

  The output terminal 258X of the logic circuit unit 258 is connected to the detection signal receiving unit 214 of the fraud monitoring control unit 204.

  In TR230A, when the base is not receiving magnetic force (H signal), the collector-emitter is turned on, and a current flows between the collector and emitter of TR230A through the resistor 232A from the DC power supply. Therefore, the L signal is sent to the first input terminal 258A of the logic circuit portion 258. This L signal means that no magnetism has been detected. In TR230A, when the base receives a magnetic force (L signal), the collector-emitter is turned off, and the DC power supply connects the first input terminal 258A of the logic circuit portion 258 via the resistor 232A to the H input. A signal is sent out. This means magnetic detection.

  On the other hand, in TR230B, when the base is not receiving magnetic force (H signal), the collector-emitter is turned on, and a current flows between the collector and emitter of TR230B from the DC power source via resistor 232B. Therefore, the L signal is sent to the second input terminal 258B of the logic circuit portion 258. This L signal means that no magnetism has been detected. In TR230B, when the base receives a magnetic force (L signal), the collector-emitter is turned off, and the DC power supply connects the H input to the second input terminal 258B of the logic circuit portion 258 via the resistor 232B. A signal is sent out. This means magnetic detection.

  The logic circuit portion 258 is provided with an AND circuit 260. One terminal (A terminal) on the input side of the AND circuit 260 is directly connected to the first input terminal 258 </ b> A of the logic circuit portion 258. The other terminal (B terminal) on the input side of the AND circuit 260 is connected to the second input terminal 258 </ b> B of the logic circuit section 258 via the NOT circuit 262.

  The output side terminal (X terminal) of the logic circuit unit 258 is directly connected to the fraud monitoring control unit 204A of the main control unit 150. In the fraud monitoring control unit 204A in the second embodiment, the input signal is a high level (H) signal or a low level (L) binary signal, and one of the signals (for example, the H signal) is input. In the case of an abnormal signal, the other signal (for example, L signal) is determined to be a normal signal. The L signal may be an abnormal signal and the H signal may be a normal signal.

  The logic circuit portion 258 is configured to operate based on the truth table shown in FIG.

  That is, the detection signal of the first magnetic sensor 202CA is directly input to the A terminal of the AND circuit 260 as an L signal when no magnetism is detected and an H signal when magnetism is detected.

  On the other hand, since the detection signal of the second magnetic sensor 202CB is inverted by the NOT circuit 262 and input to the B terminal of the AND circuit 260, the B terminal has an H signal and a magnetic detection signal when no magnetism is detected. Sometimes L signal is input.

  As a result, the H signal is output from the X terminal of the AND circuit 260 only when magnetic detection is performed by the first magnetic sensor 202CA and magnetic detection is not detected by the second magnetic sensor 202CB, and an abnormal signal is output to the fraud monitoring control unit 204A. Sent out.

(Third embodiment)
The third embodiment of the present invention will be described below.

  In the first embodiment, the signal strength comparison units 216A and 216B compare whether or not the detection signal from the first magnetic sensor 202CA exceeds a threshold value, and the magnetic abnormality presence / absence determination unit 220 In the case where the detection signal from the first magnetic sensor 202CA exceeds the threshold value, it is determined whether or not the detection signal is due to fraud, and monitoring control of the fraud is performed using a so-called software program. Although the control is mainly performed, in the third embodiment, the authenticity of the abnormal signal is determined by so-called hardware (circuit configuration).

  As shown in FIG. 9A, in the third embodiment, the first magnetic sensor 202CA and the second magnetic sensor 202CB are magnetic detection signal management provided on the upstream side of the fraud monitoring control unit 204. It is connected to the circuit unit 205.

  FIG. 9A is a circuit diagram showing a detailed circuit configuration of the magnetic detection signal management circuit unit 205.

  The first magnetic detection sensor 202CA and the second magnetic sensor 202CB include NPN transistors 230A and 230B (hereinafter referred to as “TR230A” and “TR230B”), respectively, and the base (B) has an execution of fraud. DC power is supplied so as to emit an L signal when receiving a magnetic force conforming to, and an H signal when not receiving a magnetic force conforming to execution of an illegal act. Further, a DC power supply line 234 is connected to the collectors (C) of TR230A and TR230B via a resistor 232A, respectively, and the emitter (E) is grounded via a ground line (earth line) 236.

  The collector (C) of the TR 230A is connected to the first input terminal 238A of the logic circuit section 238 via the signal line 237A. The collector (C) of the TR 230B is connected to the second input terminal 238B of the logic circuit section 238 via the signal line 237B.

  The output terminal 238X of the logic circuit unit 238 is connected to the detection signal receiving unit 214 of the fraud monitoring control unit 204.

  In TR230A, when the base is not receiving magnetic force (H signal), the collector-emitter is turned on, and a current flows between the collector and emitter of TR230A through the resistor 232A from the DC power supply. Therefore, the L signal is transmitted to the first input terminal 238A of the logic circuit unit 238. This L signal means that no magnetism has been detected. In the TR 230A, when the base receives a magnetic force (L signal), the collector-emitter is turned off, and the DC power source connects the first input terminal 238A of the logic circuit section 238 to the H input via the resistor 232A. A signal is sent out. This means magnetic detection.

  On the other hand, in TR230B, when the base is not receiving magnetic force (H signal), the collector-emitter is turned on, and a current flows between the collector and emitter of TR230B from the DC power source via resistor 232B. Therefore, the L signal is transmitted to the second input terminal 238B of the logic circuit unit 238. This L signal means that no magnetism has been detected. In TR230B, when the base receives a magnetic force (L signal), the collector-emitter is turned off, and the DC power supply connects the H input to the second input terminal 238B of the logic circuit portion 238 via the resistor 232B. A signal is sent out. This means magnetic detection.

  The logic circuit portion 238 is provided with an OR circuit 240. One terminal (A terminal) on the input side of the OR circuit 240 is connected to the first input terminal 238A of the logic circuit section 238 via the NOT circuit 242. The other terminal (B terminal) on the input side of the OR circuit 240 is directly connected to the second input terminal 238B of the logic circuit section 238.

  The output side terminal (X terminal) of the logic circuit unit 238 is connected to the fraud monitoring control unit 204A of the main control unit 150 via the NOT circuit 244. In the fraud monitoring control unit 204A in the third embodiment, the input signal is a high level (H) signal or a low level (L) binary signal, and one of the signals (for example, the H signal) is input. In the case of an abnormal signal, the other signal (for example, L signal) is determined to be a normal signal. The L signal may be an abnormal signal and the H signal may be a normal signal.

  The logic circuit portion 238 is configured to operate based on the truth table shown in FIG.

  That is, since the detection signal of the first magnetic sensor 202CA is inverted by the NOT circuit 242, the H signal is input to the A terminal of the OR circuit 240 when the magnetism is not detected, and the L signal is input when the magnetism is detected. The

  On the other hand, since the detection signal of the second magnetic sensor 202CB is directly input to the B terminal of the OR circuit 240, an L signal is input to the B terminal when no magnetism is detected, and an H signal is input when magnetism is detected. Is done.

  As a result, the L signal is output from the X terminal of the OR circuit 240 only when the magnetic detection is performed by the first magnetic sensor 202CA and the magnetic detection is not performed by the second magnetic sensor 202CB, and the H signal inverted by the NOT circuit 244 is output. Is sent to the fraud monitoring control unit 204A as an abnormal signal.

  In the first to third embodiments, the second magnetic sensor 202CB that does not use the front surface of the game board 18 as a detection area is provided as a pair with respect to the first magnetic sensor 202CA. In each of the magnetic sensors 202A and 202B, a magnetic sensor that does not use the front surface of the game board 18 as a detection area may be provided as a pair, and an abnormal signal may be canceled as necessary.

10 Pachinko machines (game machines)
18 Game board 60 Speaker (notification means)
105 Center character 106 Display section (notification means)
112 Attacker 116 Opening / closing door 136 Electric tulip 137 Light source (notification means)
138 Electric Chu Solenoid (Driver)
148 Attacker solenoid (drive unit)
148A Actuator 150 Main control unit 152 Production control unit 154 Payout control unit 202A, 202B Magnetic sensor 202CA First magnetic sensor 202CB Second magnetic sensor 204 Fraud monitoring control unit (monitoring means)
206 Attacker Electric Accessories 208 Decoration Member 210 Opening 212 Bracket 214A Detection Signal Accepting Unit 214B Detection Signal Accepting Unit 216A Signal Strength Comparing Unit 218A Signal Strength Threshold Storage Unit 216B Signal Strength Comparing Unit 218B Signal Strength Threshold Storage Unit 220 Magnetic abnormality presence / absence determination unit 222 Abnormal signal output unit 226 Notification device

Claims (4)

A plurality of drive units that move the movable unit provided on the game board surface to at least two positions using the excited or non-excited state by the energization control;
A first magnetic sensor provided in a position where the detection range of the magnetic force is the space on the front side and the back side of the game board and is affected by the excitation by the energization control of the drive unit;
A second magnetic sensor provided in a position where a detection range of magnetic force is a space on the back side of the game board and is affected by the excitation by the energization control of the driving unit;
The detection signals from the first magnetic sensor and the second magnetic sensor are input sources, the detection signal from the first magnetic sensor is a magnetic force exceeding a predetermined intensity, and the second magnetic sensor A monitoring means for outputting an abnormal signal when the detection signal is a magnetic force not exceeding a predetermined strength, and monitoring a generation state of the magnetic force on the surface side of the game board;
A gaming machine having.   The front side of the game board has an opening that can receive a game ball depending on the operating state of the movable part, and the first magnetic sensor has a front side and a back side of the game board based on the opening. The gaming machine according to claim 1, wherein the side space is arranged so as to be in a magnetic force detection range.   The driving unit drives a movable unit provided in the opening, and a second driving unit drives an effecting movable unit provided separately from the opening. The gaming machine according to claim 2, further comprising:   The gaming machine according to any one of claims 1 to 3, further comprising notification means for receiving an abnormal signal output from the monitoring means and notifying generation of abnormal magnetic force.

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