JP2006345954A - Game machine, and method and program for preventing fraudulent act of game machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a game machine which makes error release by a wrongdoer difficult and can report that a fraudulent act occurs. <P>SOLUTION: In the game machine equipped with two or more switches and a control part, which brings the game machine into an error situation and performs error information when conditions defined beforehand are fulfilled and releases the error information based on at least one output of the two or more switches, the control part decides on a procedure for releasing the error information using all or some of the two or more switches, reports the contents of the decided error release procedure, monitors the output of the two or more switches, returns the game machine to a situation able to play a game by releasing the error information when operation along the error release procedure is made, and brings the game machine into the situation able to play the game by bringing the game machine into the middle error situation different from the error situation when the operation along the error release procedure is not made. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a gaming machine such as a slot machine, a fraud prevention method for a gaming machine, and a program.

  The slot machine allows a player to enjoy a game by inserting a predetermined number of medals into the gaming machine. The medals necessary for the game can be borrowed with a medal lending machine provided in the game hall, and the game can be started by inserting it into the medal slot of a desired gaming machine. The slot machine basically pays out medals as prizes when the patterns are ready. The slot machine includes a medal selector for discriminating inserted medals and counting the number of medals, and a hopper device for paying out medals.

  When a medal is jammed in the medal selector or when there are no medals in the hopper device, an error state occurs, and an error notification to that effect (for example, a buzzer sounds or a lamp blinks) is performed. After the hall clerk has cleared the error state, when the error notification is released by pressing an error release button provided in the gaming machine casing, the game returns to the game ready state and the player can continue the game.

Japanese Patent Laid-Open No. 2004-350924 “Rotating Game Machine and External Concentrated Terminal Board Provided on the Spinning Game Machine” Japanese Patent Application Laid-Open No. 11-19315 "Amusement Machine Front Frame Locking Management Device"

  A small part of the players performed a dishonest act (so-called goto act). For example, there is a person who inserts a foreign object from a medal insertion slot, malfunctions a sensor of the medal selector, plays a game without inserting a regular medal, or receives a medal refund. In addition, there is a person who inserts a foreign object from the medal exit of the hopper device and malfunctions a sensor for counting the number of paid-out medals and receives more medals than prescribed. An error may occur during such an illegal act. The above-described error is an example, and the control unit of the gaming machine performs error notification under a predetermined condition.

  In a conventional gaming machine, a fraudulent person illegally operates an error release button to release an error and may continue the fraud. The error release button is provided inside the gaming machine housing so that only the hall attendant can operate by opening the locked front door. It seems that the error release button is operated by opening or inserting a foreign object through the gap between the front door and the housing.

  In conventional gaming machines, error notification is unconditionally canceled simply by operating an error cancel button. For this reason, there has been a problem that the fraudster himself can cancel the error and perform the fraud again.

  An object of the present invention is to provide a gaming machine that can make it difficult for a fraudster to cancel an error, a method for preventing a fraudulent act of a gaming machine, and a program. Moreover, it aims at enabling it to alert | report that there was fraud.

  The present invention includes a plurality of switches, and a control unit that performs error notification when an predetermined condition is satisfied, and cancels the error notification based on at least one output of the plurality of switches. In the gaming machine, the control unit determines a procedure for canceling the error notification using all or a part of the plurality of switches, notifies the contents of the determined error cancellation procedure, and The output is monitored, and when the operation according to the error canceling procedure is performed, the error notification is canceled and the game is returned to a playable state, and when the operation according to the error canceling procedure is not performed, the error state It is characterized by having an intermediate error state different from that in a gameable state.

Provided with a plurality of devices that perform different notification or operation in the error state and normal playable state, such as a display device for effect display, decorative lighting, a sound generation unit, and a hopper device that pays out game media,
In the error state, the control unit performs a different notification or operation for all of the plurality of devices, performs a normal notification or operation for a part of the plurality of devices in the intermediate error state, and others. You may make it perform the alerting | reporting or operation | movement different from usual about a thing.

  The present invention includes a plurality of switches, and a control unit that performs error notification when an predetermined condition is satisfied, and cancels the error notification based on at least one output of the plurality of switches. In the gaming machine, the control unit determines a procedure for canceling the error notification using all or a part of the plurality of switches, notifies the contents of the determined error cancellation procedure, and The output is monitored, and when the operation according to the error canceling procedure is performed, the error notification is canceled and the game is returned to a playable state. When the operation according to the error canceling procedure is not performed, the game is possible. When it is determined that a predetermined time has elapsed based on the output of the timer, the error state is resumed. It is characterized in that.

The method for preventing fraudulent acts of the gaming machine according to the present invention is as follows:
A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
A step of setting an intermediate error state different from the error state to a playable state when an operation in accordance with the error release procedure is not performed.

The method for preventing fraudulent acts of the gaming machine according to the present invention is as follows:
A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
Returning to a playable state when an operation in accordance with the error release procedure is not performed;
Starting a timer;
A step of returning to the error state again when it is determined that a predetermined time has elapsed based on the output of the timer.

The present invention is a program for causing a computer to execute the above method.
The program according to the present invention is recorded on a recording medium, for example.
Examples of the medium include EPROM device, flash memory device, flexible disk, hard disk, magnetic tape, magneto-optical disk, CD (including CD-ROM and Video-CD), DVD (DVD-Video, DVD-ROM, DVD- RAM), ROM cartridge, RAM memory cartridge with battery backup, flash memory cartridge, nonvolatile RAM cartridge, and the like.

  A medium is a medium in which information (mainly digital data, a program) is recorded by some physical means, and allows a processing device such as a computer or a dedicated processor to perform a predetermined function. is there.

  According to the present invention, when an error occurs, the error canceling procedure is determined and the determined error canceling procedure is notified, and if it is a correct canceling procedure, normal recovery is performed. Therefore, it becomes clear that the game is possible but the error was canceled by the wrong procedure, and the attention of the hall staff will be drawn. Moreover, although it returns from an error state, it will be in an error state again and fraud cannot continue. According to the present invention, fraud can be suppressed.

Embodiment 1 of the Invention
A gaming machine (slot machine) and method according to an embodiment of the invention will be described with reference to the drawings.

  FIG. 1 shows a front view of the slot machine with the front door closed, and FIG. 2 shows a front view of the slot machine with the front door opened.

  FIG. 1 shows a slot machine 100. As shown in FIG. 1, the slot machine 100 includes a slot machine main body 120 and a front door 130 attached to one side of the front surface of the slot machine main body 120 by a hinge or the like so as to be opened and closed. As shown in FIG. 1, a game display unit 131 is provided substantially in the center of the front door 130, and a medal insertion slot 132 for a player to insert medals is provided at the lower right corner of the game display unit 131. Provided further below the medal insertion slot 132 is a reject button 133 for forcibly discharging a clogged medal inserted from the medal insertion slot 132 to the outside of the slot machine 100.

  Further, a start button 134 for starting a game is provided at the lower left of the game display unit 131, and three stop buttons 140 are provided corresponding to the three reels. A medal payout port 135 is provided at the center of the lower end of the front door. When a game medal is inserted into the medal slot 132 or when the start switch 134 is operated on condition that the bet switch 137 is operated, the three reels start to rotate and the game starts. A cancel switch (also referred to as a cancel button) 138 is for requesting the return of inserted medals.

  A key receiving portion 11 for inserting a key is provided at the right end of the center height of the front door 130. When the front door 130 is opened, if the key is inserted into the key receiving portion 11 and turned around, the internal lock is released and the front door 130 is opened. The lock mechanism (not shown) is provided with a door key switch (described later), detects the open / closed state of the front door 130, and sends the output to a main board (described later).

  As shown in FIG. 2, the slot machine main body 120 is fixed to the inner bottom surface thereof, stores a plurality of medals therein, and stores the stored medals in a payout port 135 provided on the front surface of the front door 130. A hopper device 121 for paying out the sheets one by one is installed. An upper portion of the hopper device 121 is provided with a hopper tank 122 that opens upward and stores a plurality of medals therein. A power supply unit 205 is provided between the upper hopper unit 121 and the reel unit 203.

  As shown in FIG. 2, the medal (coin) selector 1 is attached to the back side of the front door 130 on the back side of the medal slot 132 provided on the front surface of the front door 130. This medal selector 1 rolls the medal toward the hopper device 121 while detecting the passage of the medal inserted from the medal insertion slot 132, and has a different diameter medal or iron or iron whose outer diameter is different from the predetermined dimension. This is an apparatus for selecting and removing illegal medals made of an alloy and selecting and eliminating a predetermined number or more of medals that can be inserted per game.

  Further, as shown in FIG. 2, a lead-out path 136 that covers the lower side and communicates with the payout port 135 of the front door 130 is provided below the medal selector 1. The medals distributed by the medal selector 1 are returned to the player from the payout port 135 via the derivation path 136.

  A player who wants to enjoy a game with a slot machine can first borrow a medal as a game medium from a medal lending machine (not shown) or the like, and insert a medal directly into the medal slot 132 of the medal slot device. The reel unit 203 is stopped from driving by a stop switch 140. The reel unit 203 is composed of three rotating reels. Each rotating reel includes a rotating drum made of a synthetic resin and a tape-like reel tape attached around the rotating drum. A plurality of (for example, 21) symbols are displayed on the outer peripheral surface of the reel tape.

  FIG. 3 shows a front view of the power supply unit 205 of the gaming machine. Each switch of the power supply unit 205 is connected to a main board (described later).

  In FIG. 3, a power switch 2051 is a power on / off switch, a power supply pilot lamp 2052 is a lamp (LED) that is lit when the power is on, and a strike / stop switch 2053 is a strike that limits the number of medals to be paid out. Is a switch for setting “Yes” or “No”. The stop / presence switch 2053 is normally set to “none” and is not frequently used. The setting key switch 2054 is a key switch that is turned on when changing the internal setting of the gaming machine, the setting change 2055 is a switch for changing the setting, and the AC100V pilot lamp 2056 is supplied with AC100V that is the power supply of the housing. The AC power output and power cable 2057 are for supplying power. A reset (error cancel) key switch 2058 is a key switch for canceling an error.

  The switches 2054 and 2058 are key switches and cannot be turned on unless a correct key is inserted. In order to prevent fraudulent actions for setting changes and error cancellation, it is preferable to use a key switch as shown in FIG.

FIG. 4 shows a functional block diagram of the slot machine according to the embodiment of the invention.
In FIG. 4, reference numerals 200 and 201 denote a main board (control unit) and a sub board, each incorporating a CPU, a ROM, and a RAM. The main board 200 performs medal insertion, payout, reel control, winning process, and the like. The sub-board 201 performs processing such as effect display. An operation unit 202 includes switches such as a start switch 134, a stop switch 140, and a bet switch 137. A reel unit 203 includes three rotating reels. Reference numeral 204a denotes a liquid crystal display device (display device) for effect display. Reference numeral 204b denotes a sound generator (speaker) that generates sound such as effects. 204a and 204b may be collectively referred to as an effect display unit 204. The effect display unit 204 notifies the winning combination and the pressing order. A power supply unit 205 supplies power to each unit. 121 is a hopper device for paying out stored medals one by one to a payout opening 135 provided on the front surface of the front door 130. Reference numeral 2061 denotes a door key switch. The door key switch 2061 detects that the front door is unlocked by inserting a key into the key receiving portion 11 and outputs a signal to the main board 200. Since the lock mechanism and the door key switch 2061 are publicly known, description thereof is omitted.

  Reference numerals 92-1 and 92-2 are decorative lights provided for the player. The decoration lights 92-1 and 92-2 are game display unit 131, internal illumination (back lamp) of the reel, arcuate illumination provided on the upper part of the gaming machine, and the like. In the first embodiment of the present invention, these decorative illuminations are distinguished into at least two groups, and are controlled to be turned on / off independently in an intermediate error state described later. In FIG. 4, it is such a meaning that the decorative illumination is divided into 92-1 and 92-2. It should be noted that how the plurality of decorative lights are grouped is arbitrary.

  The gaming machine according to the embodiment of the present invention is characterized in that, in addition to the door key switch 2061 and the setting key switch 2054, a reset key switch 2058 for error cancellation is provided inside the gaming machine. Then, as a switch used for canceling the error, any one of the door key switch 2061, the setting key switch 2054, and the reset key switch 2058 is randomly selected, and the error can be canceled only by the selected key switch. When a switch other than the selected key switch is operated, the game is returned to a playable state, but the error state is changed to another intermediate error state (described later).

  When an error occurs, the release procedure is notified to the hall staff using the main board and / or the sub board. If it is a correct release procedure, it returns normally, but if there is an action such as release with the wrong key or simultaneous operation of two or more keys, error recovery is only halfway.

  Processing according to the embodiment of the invention will be described with reference to the flowchart of FIG. The process of FIG. 5 is a process executed when an error occurs.

  It is checked whether an error flag is set (S1). When the error flag is set, the process shifts to an error state (YES in S1, S1b).

  An error release procedure is determined (S2). For example, any one of a door key switch 2061, a setting key switch 2054, and a reset key switch 2058 is randomly selected as a switch used to cancel the error. This is to select only one of the three key switches or to select two or three key switches and to determine the order of their operation. In order to simplify the description, a description will be given below by taking only one of the three key switches as an example.

  An error is notified by a signal from the control unit (main board 200), and an error canceling procedure is notified by the effect display unit (S3). For example, a message such as “Please turn on the reset key switch to cancel the error” is displayed on the liquid crystal display screen. The display of the “reset key switch” portion changes according to the selection result of S2.

  The outputs of the above three key switches that can be used to cancel the error are monitored (S4). If the output is detected, the process proceeds to S5.

  It is determined whether the detected switch operation is a correct release procedure (S5). The correct cancellation procedure is the error cancellation procedure determined in S2. When the key switch selected in S2 is turned on and the other key switches are not turned on, it is determined that the release procedure is correct (YES in S5). In that case, it returns from an error state and shifts to a game-ready state (S7).

  When the release procedure is not correct (NO in S5), the error state is restored to the intermediate error state (S6). This means a halfway error recovery. Even when the correct release procedure is performed after the process proceeds to S6, the process does not proceed to S7.

  The intermediate error state (half-way error recovery) is possible to return from the error state and play a game, but there is a difference from the normal gaming state in the display and notification state of the gaming machine. This means that the staff can know that the error has been cleared by the wrong error clearing procedure.

  For example, as shown in FIG. 6, it is assumed that there are a plurality of elements that are different in display / notification in the normal gaming state and the error state. In the normal gaming state, all of the plurality of elements are in a normal state (flag = 0 in FIG. 6), and in the conventional error state, all of the plurality of elements are in an abnormal state (same as flag = 1). Conventional gaming machines can only take two states, normal and abnormal (so it is not necessary to have a flag for each element as shown in FIG. 6, and only one flag is sufficient). In contrast, in the gaming machine according to the first embodiment of the present invention, the third state called the intermediate error state can be taken. That is, the game processing by the main board is normal (same as above, flag = 0), but some of the other elements (related to notification) are normal and the rest are abnormal. The combination thereof is arbitrary, but as a result, for example, an abnormal display in which half of the decorative lighting is turned on and the rest is turned off is performed.

  According to Embodiment 1 of the present invention, error cancellation can be performed only once. If it is a hall clerk, he has the keys of the three key switches, so it is easy to cancel the error with the correct cancellation procedure according to the notification in S3. On the other hand, since it is considered that the fraudster does not have all the keys, there is a high possibility that the error cancellation will fail, and fraudulent acts are easily revealed. Therefore, according to the embodiment of the invention, it is possible to suppress fraud. Rather than turning the key switch on and off, there is also a fraudulent act that shorts the key switch wiring (harness) to cause an on / off state. That is troublesome. Therefore, it is considered that such illegal acts can also be suppressed.

  According to the first embodiment of the invention, when an error occurs, the main board (or sub board) may be used to determine the error release procedure and notify the hall staff of the determined error release procedure. . If it is the correct release method, it will return normally, but if there is an action such as release with the wrong key or simultaneous operation of two or more keys, it will return halfway to an intermediate error state. Since the hall clerk can easily know the intermediate error state gaming machine, the player of the gaming machine can be treated as a suspected cheating agent. Therefore, fraudulent acts can be suppressed as a result. Even if it does not follow the correct release procedure, the gaming machine can be returned to play and can be played. Therefore, there is a high possibility that the fraudster continues the game, and it is possible to prevent the fraudster from escaping.

  In order to determine whether or not the error canceling procedure is correct, the harnesses of the switches 2054, 2058, and 2061 input to the main board 200 need to be independent as shown in FIG. If they are connected in parallel, it becomes impossible to distinguish which switch is operated.

Embodiment 2 of the Invention
In the first embodiment of the invention, if it is a correct release procedure, it will return normally, but if there is an act of releasing with the wrong key or performing two or more key operations at the same time, halfway Only error recovery was performed. In such a case, the second embodiment of the invention performs error notification again after a predetermined time has elapsed.

  FIG. 8 is a block diagram of a gaming machine according to the second embodiment of the invention. 8, the same reference numerals are given to the same or corresponding parts as in FIG. 4, and the description thereof is omitted. Reference numeral 207 denotes an automatic re-error shift timer. Note that the timer 207 may be provided in the main board 200.

  The processing according to the embodiment of the invention will be described with reference to the flowchart of FIG. The process of FIG. 9 is a process executed when an error occurs.

  It is checked whether the first error flag is set (S1). When the first error flag is set, the state shifts to an error state (conventional error) (YES in S1, S1b).

  As shown in FIG. 10, the first error flag is an error state when it is 1. On the other hand, the second error flag is for returning to the playable state when this is 1, but at the same time, the timer 207 is started, and after a predetermined time set in the timer 207 elapses, the error state is returned again. is there. In the normal gaming state, both the first and second error flags are zero. The first error flag is a conventional error flag, but the second error flag is a novel one according to the second embodiment of the invention. In the description of the second embodiment of the present invention, the error state is used, the return thereof, and the temporary return according to the second embodiment of the present invention are performed, but the present invention is not limited to this.

  An error release procedure is determined (S2). For example, any one of a door key switch 2061, a setting key switch 2054, and a reset key switch 2058 is randomly selected as a switch used to cancel the error.

  An error is notified by a signal from the control unit (main board 200), and an error canceling procedure is notified by the effect display unit (S3). For example, a message such as “Please turn on the reset key switch to cancel the error” is displayed on the liquid crystal display screen. The display of the “reset key switch” portion changes according to the selection result of S2.

  The outputs of the above three key switches that can be used to cancel the error are monitored (S4). If the output is detected, the process proceeds to S5.

  It is determined whether the detected switch operation is a correct release procedure (S5). The correct cancellation procedure is the error cancellation procedure determined in S2. When the key switch selected in S2 is turned on and the other key switches are not turned on, it is determined that the release procedure is correct (YES in S5). In that case, it returns from an error state and shifts to a game-ready state (S10).

  When the release procedure is not correct (NO in S5), the first error flag is reset and the second error flag is set (S6). Then, the game is once returned to a playable state (S7). At the same time, the timer 207 is set (S8). When the predetermined time has elapsed (YES in S9), the process shifts again to the error state (S1b).

  According to the second embodiment of the present invention, when an error occurs, the main board (or sub board) may be used to determine the error release procedure and notify the hall staff of the determined error release procedure. . If it is a correct release method, it will return normally, but if there is an action such as release with the wrong key or simultaneous operation of two or more keys, it will return halfway. This return state does not continue for a long time and eventually becomes an error state again, so that a long game is impossible and does not give much profit to the fraudster. Since a hall clerk can easily know a gaming machine that frequently causes an error, the player of the gaming machine can be treated as a suspected cheating agent. Therefore, fraudulent acts can be suppressed as a result. Even if it does not follow the correct release procedure, the gaming machine can be returned to play and can be played. Therefore, there is a high possibility that the fraudster continues the game, and it is possible to prevent the fraudster from escaping.

  5 and FIG. 10, the error cancellation procedure is determined after an error has occurred. However, the present invention is not limited to this, and the error cancellation procedure is determined at the initial setting stage immediately after power-on. It may be. In such a case, since the error canceling procedure changes every time the power is turned on, even if an unauthorized person tries to cancel the error by turning on the power again, it is impossible to predict what kind of error canceling procedure will be performed. This is believed to be able to deter fraud.

  In the above description, the door key switch 2061, the setting key switch 2054, and the reset key switch 2058 are illustrated as the error release switches, but the start button 134, the bet switch 137, and the stop button 140 are used together with or instead of these. It can also be used.

  In the above description, a slot machine is taken as an example of a gaming machine, but the present invention is not limited to this and can be applied to a ball-type gaming machine.

  The present invention is not limited to the above embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say.

It is a front view of the slot machine in a state where the front door is closed. It is a front view of the slot machine in a state where the front door is opened. It is a front view of the power supply part (power supply part panel) which concerns on embodiment of invention. FIG. 3 is a functional block diagram of the slot machine according to Embodiment 1 of the invention. It is a flowchart of the process at the time of the error generation which concerns on Embodiment 1 of invention. It is explanatory drawing of the error flag which concerns on Embodiment 1 of invention. It is explanatory drawing of the switch connection which concerns on embodiment of invention. It is a functional block diagram of the slot machine which concerns on Embodiment 2 of invention. It is a flowchart of the process at the time of the error generation which concerns on Embodiment 2 of invention. It is explanatory drawing of the error flag which concerns on Embodiment 2 of invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Medal selector 11 Key receiving part 100 Slot machine 120 Slot machine main body 121 Hopper apparatus 122 Hopper tank 130 Front door 131 Game display part 132 Medal insertion slot 133 Reject button 134 Start button 135 Outlet 136 Outlet path 137 Bet switch 138 Cancel button 140 Stop Button 200 Main board (control unit)
201 Sub-board 202 Operation unit 203 Reel unit 204 Effect display unit 205 Power supply unit 207 Timer 2051 Power switch 2052 Power-on display lamp (LED)
2053 Stop switch 2054 Setting key switch 2055 Setting change 2056 AC100V pilot lamp 2057 Power cable 2058 Reset (error release) key switch 2061 Door key switch

Claims (7)

  In a gaming machine comprising a plurality of switches and a control unit that performs error notification when a predetermined condition is satisfied, and cancels the error notification based on at least one output of the plurality of switches. The control unit determines a procedure for canceling the error notification using all or a part of the plurality of switches, notifies the contents of the determined error cancellation procedure, and monitors the outputs of the plurality of switches. When the operation according to the error cancellation procedure is performed, the error notification is canceled to return to a playable state, and when the operation according to the error cancellation procedure is not performed, an intermediate error different from the error state is performed. A gaming machine characterized by being in a state where it can be played. Provided with a plurality of devices that perform different notification or operation in the error state and normal playable state, such as a display device for effect display, decorative lighting, a sound generation unit, and a hopper device that pays out game media,
In the error state, the control unit performs a different notification or operation for all of the plurality of devices, performs a normal notification or operation for a part of the plurality of devices in the intermediate error state, and others. 2. The gaming machine according to claim 1, wherein a notification or operation different from normal is performed for the game.   In a gaming machine comprising a plurality of switches and a control unit that performs error notification when a predetermined condition is satisfied, and cancels the error notification based on at least one output of the plurality of switches. The control unit determines a procedure for canceling the error notification using all or a part of the plurality of switches, notifies the contents of the determined error cancellation procedure, and monitors the outputs of the plurality of switches. When the operation according to the error canceling procedure is performed, the error notification is canceled and the game is returned to a playable state. When the operation according to the error canceling procedure is not performed, the game is returned to a playable state. At the same time, when the timer is started and it is determined that a predetermined time has passed based on the output of the timer, the error state is set again. Gaming machine and features. A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
A method for preventing fraudulent acts of a gaming machine, comprising a step of setting an intermediate error state different from the error state to a playable state when an operation according to the error release procedure is not performed. A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
Returning to a playable state when an operation in accordance with the error release procedure is not performed;
Starting a timer;
A method for preventing an illegal act of a gaming machine, comprising: a step of setting an error state again when it is determined that a predetermined time has elapsed based on an output of the timer. A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
A program for causing a computer to execute an intermediate error state different from the error state and a playable state when an operation according to the error release procedure is not performed. A step of notifying an error state when a predetermined condition is satisfied, and performing error notification;
Determining a procedure for canceling the error notification using all or part of a plurality of switches;
Informing the contents of the determined error cancellation procedure;
Monitoring the outputs of the plurality of switches;
A step of releasing the error notification and returning to a gameable state when an operation in accordance with the error release procedure is performed;
Returning to a playable state when an operation in accordance with the error release procedure is not performed;
Starting a timer;
A program for causing a computer to execute a step of returning to an error state when it is determined that a predetermined time has elapsed based on the output of the timer.

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