JP4283235B2 - Pachinko machine - Google Patents

Description

The present invention relates to a pachinko gaming machine, in particular, it relates to a pachinko gaming machine so as to prevent damage caused by blow of the operation switch in advance.

For example, in a pachinko gaming machine, when a game ball is won at the start winning opening and the start winning is made, a roulette is displayed on the display device and rotation starts, and then the player is arranged near the lower plate. When the operation switch is turned on, the roulette displayed on the display device stops, and the reach effect displayed at the time of reach is selected and determined from a plurality according to the stop position of the roulette. A gaming machine is known from Patent Document 1 below.
JP 2004-129984 A

  In a pachinko machine equipped with this type of operation switch, the operation switch only generates one type of signal during operation, so only one operation switch generates a signal with one type of meaning. I can only do it. For this reason, in the conventional pachinko gaming machine as described above, it is necessary to display the roulette on the display device and stop the roulette according to the ON operation of the operation switch.

  On the other hand, in the case of a pachinko machine that performs symbolic variation display to determine the big hit, since the symbolic variation display etc. is displayed on the display device, only the operation switch is operated without using the display on the display device. There has been a demand for a gaming machine in which the selection of reach production is determined.

  In addition, in the case of an operation switch attached to a gaming machine so that the player can operate, the operation switch may be struck when the player is engrossed in the game. In addition to causing failure, there has been a problem such that deterioration has progressed and the life of the switch has been shortened.

The present invention has been made in view of the above points, and provides a pachinko gaming machine that prevents damage to an operation switch that is easily struck, and that can perform different game operations according to an operation pressing force. The purpose is to provide.

In order to achieve the above object, a pachinko gaming machine according to claim 1 of the present invention acquires a symbol variation display device that displays a plurality of symbols in a variable manner and a random number for lottery when a game ball wins a winning prize opening. A jackpot lottery means for performing lottery such as jackpots, and an effect execution means for selectively displaying a plurality of game effects on the symbol variation display device when execution of a game effect including a reach effect is determined by the lottery means And an operation switch operated by the player to select a game effect displayed on the symbol variation display device, an acceleration sensor having a configuration in which a piezoresistive element is bridge-connected to the operation switch. On the other hand, a display means that is lit and displayed when the operation switch is effective is provided on the operation switch, and the acceleration sensor is operated according to the operation pressing force of the operation switch. A game effect determining means for determining a game effect based on a signal output from the signal, and when an acceleration signal exceeding a set value is output from the acceleration sensor, the operation switch is struck and the symbol variation display device is An effect canceling means for canceling the display of the game effect is provided and a plurality of reach effects having different reliability are stored in advance as the game effect, and the operation switch is pressed while the display means is lit and displayed. When the level of the acceleration signal detected by the acceleration sensor during operation exceeds a predetermined set value, the reach effect with low reliability is not displayed, only the reach effect with high reliability is displayed, and the level of the acceleration signal is When it is lower than the predetermined set value, all reach effects are displayed from a reach effect with low reliability to a reach effect with high reliability .

Further, the invention of claim 2 is a symbol variation display device that displays a plurality of symbols in a variable manner when a game ball is won at the start winning opening, and a jackpot lottery means for acquiring lottery random numbers and performing lotteries such as a jackpot When the lottery means decides to perform a game effect including a reach effect, an effect executing means for selectively displaying a plurality of game effects on the symbol variation display device, and the player is displayed on the symbol variation display device. A pachinko gaming machine having an operation switch operated to select a game effect, the operation switch is provided with an acceleration sensor having a piezoresistive element in a bridge connection, and the operation switch is effective. A display means that is sometimes lit and displayed is provided on the operation switch, and a game effect is determined based on a signal output from the acceleration sensor in accordance with an operation pressing force of the operation switch. When an acceleration signal exceeding a set value is output from the acceleration sensor, a warning display is displayed on the symbol variation display device and the display of the game effect is stopped when the operation switch is struck. An effect stop means is provided, and a reach effect with higher reliability and a reach effect with lower reliability are stored in advance as game effects, and the threshold value of the level of the acceleration signal output from the acceleration sensor is set from the lowest one. When the 1 set value and the 2nd set value are set, and the reach effect with lower reliability is determined by the lottery means, the level of the acceleration signal detected by the acceleration sensor during the pressing operation of the operation switch is the first set value. When the value is lower than one set value, the reach effect is displayed. When the level of the acceleration signal detected by the acceleration sensor is equal to or higher than the first set value, the reach effect is displayed. When a reach effect with higher reliability is determined by the lottery means without displaying a reach effect, and when the level of the acceleration signal detected by the acceleration sensor is lower than a second set value when the operation switch is pressed The reach effect is displayed, and when the level of the acceleration signal detected by the acceleration sensor is equal to or higher than the second set value, the reach effect is not displayed .

According to the pachinko gaming machine of the present invention, when a ball wins a start winning opening during a game, a random number for lottery is obtained and a big hit lottery is performed, and a plurality of symbols (for example, three rows) are displayed on the symbol variation display device. Variation display of symbols is started. The symbol variation and the game effect are determined in accordance with the lottery results such as missed, missed reach, winning reach, jackpot determined by the big hit lottery, and the game effect is displayed together with the symbol variation on the symbol fluctuation display device.

After the start of symbol variation, a lighting display indicating that the operation switch is valid is performed, and the player who visually recognizes the lighting display turns on the operation switch. When the operation switch is turned on, a signal indicating the operation pressing force is output from the acceleration sensor. At the time of reach, presence / absence of a reach effect to be displayed is determined based on the signal. At this time, a plurality of reach effects having different reach reliability levels are stored in advance, and the reach effect to be displayed is determined by lottery. According to the first aspect of the present invention, the acceleration signal detected by the acceleration sensor when the operation switch is pressed is determined . When the level exceeds the preset value, the reach effect with low reliability is not displayed, but only the reach effect with high reliability is displayed. When the level of the acceleration signal is lower than the preset value, the reliability is low. Displays all reach production from reach production to highly reliable reach production.
In the invention of claim 2, the first set value and the second set value are set from the lower side as the threshold value of the level of the acceleration signal output from the acceleration sensor, and the reach effect with lower reliability is provided by the lottery means. When determined, when the level of the acceleration signal detected by the acceleration sensor is lower than the first set value when the operation switch is pressed, a reach effect is displayed, and the level of the acceleration signal detected by the acceleration sensor is the first set value. When the reach effect is not displayed and the reach effect with higher reliability is determined by the lottery means, the level of the acceleration signal detected by the acceleration sensor is lower than the second set value when the operation switch is pressed. When the reach effect is displayed and the level of the acceleration signal detected by the acceleration sensor is equal to or higher than the second set value, the reach effect is not displayed .

In addition, If the player, such as the acceleration of the operation the pressing force at the time of operating the operation switch has a nasty blow to the operation switch exceeds the set value, the attention display, such as "Please do not press strongly" to the symbol variation display device , Reach production will be canceled.

  Thus, the player can freely select a game effect such as a reach effect according to his / her preference according to the operation pressing force of the operation switch. In addition, when the player hits the operation switch, the reach effect display is stopped and a caution display is made, so that the operation switch can be effectively stopped and the failure of the operation switch is reduced. , Can extend its life.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a front view of a pachinko gaming machine, FIG. 2 shows a sectional view of an operation switch, and FIG. 3 shows a block diagram showing a configuration of a control system of the gaming machine.

  A middle frame (not shown) is attached to the main body frame 1 of the gaming machine so as to be opened and closed, and a front frame 2 is attached to the front surface of the middle frame so as to be opened and closed. A game board 5 is detachably attached to the central part of the middle frame, and a ball launcher 10 is installed at the lower center of the middle frame so as to surround the central game area on the game board 5. An outer rail 3 and an inner rail 4 are disposed.

  On the front side of the ball launcher 10, that is, inside the front frame 2, as shown in FIG. 1, a ball feeder 12 for supplying game balls sent from the tray 7 to the launcher one by one is disposed. . As shown in FIG. 1, a launch handle 9 is provided at the lower right side of the front frame 2, and an operation switch 6 for selecting a reach effect is provided on the left side thereof.

  As shown in FIG. 2, the operation switch 6 is a push button type switch. The push button 61 is disposed so as to be movable up and down, and a coil spring 64 is disposed in the inside by urging the button upward. Yes. A switch contact 62 composed of a movable contact and a fixed contact is provided below the push button 61, and an acceleration sensor 63 is provided below the fixed contact.

  The acceleration sensor 63 detects an acceleration applied to the push button 61 when the player presses the push button 61, and is configured by a piezoresistive element that changes a resistance value according to the detected acceleration, for example. The piezoresistive element is bridge-connected together with other resistors, for example, and a voltage from a constant voltage power source is applied to the bridge circuit, and the voltage of the bridge circuit that changes when the resistance value of the piezoresistive element changes is detected signal. Output as. The push button 61 is made of transparent plastic, and a display LED 65 that is lit when the operation of the operation switch 6 is enabled is incorporated therein.

  Although the operation switch 6 is configured by providing the switch contact 62 and the acceleration sensor 63 as described above, the operation switch can be configured by only the acceleration sensor. In that case, when the signal output from the acceleration sensor when the push button of the operation switch is pressed is equal to or higher than a predetermined level, the signal may be input as an ON signal. Further, a prize ball payout device 11 for paying out a prize ball at the time of winning a prize is vertically attached to the inner left portion of the middle frame 1, and a prize ball delivery port sends a prize ball to the tray 7 at the bottom of the prize ball payout device 11. It is provided as follows.

  As shown in FIG. 1, a small auxiliary tray 8 is provided on the front surface of the front frame 2 at a lower position of the game area of the game board 5 so as to protrude to the front surface. The main tray 7 is disposed so as to protrude to the front surface. The auxiliary tray 8 is used when supplying a game ball from a pedestal ball lending machine or the like provided outside the gaming machine, and is installed to match the height position of the supply nozzle of the ball lending machine. Is connected to the lower tray 7 through the communication path, and the game balls supplied to the auxiliary tray 8 are sent to the lower tray 7.

  The tray 7 serves as a flow path for temporarily storing the game balls including the prize balls paid out from the prize ball dispensing device 11 and sending the game balls to the ball feeding device 12 in an aligned state. It is provided on the left side so as to protrude forward with approximately half the width. A side lamp 56 is provided at the edge of the front frame 2 for decoration, and a glass frame lamp 57 is provided at the edge of the glass fitted in the central part of the front frame 2. Are provided with decorative LEDs 58, and these decorative lamps are connected to a lamp control unit 50 described later. A speaker 45 is disposed inside the edge of the game board 5. The speaker 45 is connected to an audio control unit 40, which will be described later, and generates audio and music according to various production programs.

  On the front surface of the game board 5, a symbol variation display device 10 that displays a plurality of symbols arranged in, for example, three rows in a circulating manner from the top to the bottom in order is displayed in a substantially central position. The symbol variation display device 10 displays a plurality of numbers and pictures arranged in three rows on a display device such as a color liquid crystal display so as to flow from top to bottom and displays a reach effect as a game effect. Displays moving images such as characters. A plurality of types of reach production videos are stored in advance, and they are set to have different degrees of reliability. In addition, a part of the display device 10 is provided with a portion for displaying the number of reserved balls, and when there is a reserved ball, the number is displayed.

  The start winning opening 13 is provided below the center position of the symbol variation display device 10, the normal winning opening 12 is provided on both sides thereof, and the large winning opening 11 is provided below the starting winning opening 13. The start winning opening 13 has blades that can be opened and closed as an electric opening / closing member, and the blades are opened / closed by a start winning opening solenoid, and a winning ball is received by a start winning opening detector 14 disposed on the inside thereof. Detected. A big prize opening 11 is disposed below the start prize opening 13, and an opening / closing member 11a that opens and closes is provided in the big prize opening 11 so as to be opened and closed by a big prize opening solenoid 11c.

  A continuous winning opening called a V zone is provided in the big winning opening 11, and a continuous winning opening detector 19 for detecting a ball won in the continuous winning opening is provided on the inside thereof. A large winning opening detector 18 for detecting a winning ball is provided. A counter that counts the number of winning balls won in the big winning opening 11 is provided in, for example, a specific memory area of the RAM, and when the count value becomes nine, for example, the opening / closing member 11a of the big winning opening 11 is a big winning opening solenoid. It is closed by 11c. One opening of the opening / closing member 11a is defined as one round, and the round is updated when a winning is made in a continuous winning opening within a predetermined time, and the opening / closing member 11a is opened a maximum of 16 rounds, that is, 16 times.

  As shown in FIG. 2, the control system of the pachinko gaming machine controls the basic operation of the pachinko game and outputs a symbol variation command when a start condition is established, and the symbol variation command from the main control unit 20 The symbol control unit 30 that controls the variable display of symbols, the voice control unit 40 that controls the generation of voice by inputting command data from the main control unit 20, and the command data from the main control unit 20 receives the decoration The lamp control unit 50 controls lighting of a lamp or the like.

  The main control unit 20 is basically composed of a CPU unit whose main part is a CPU. The CPU 21 performs various processes based on a program stored in advance, a read-only ROM 22 for storing the program data, and the CPU 21. It operates as a work area, and is configured to have a RAM 23 and an input / output circuit 24 that temporarily store data and the like, count the number of winning balls, provide an area for counting the number of rounds, and read / write.

  The input / output circuit 24 is connected to the input system such as the start winning port detector 14, the large winning port detector 18, the continuous winning port detector 19, the normal winning port detector 12a, and the like. A start winning port solenoid is connected to the output system.

  The CPU 21 of the main control unit 20 controls the opening and closing of the tulip and the opening / closing member 11a of the big winning opening 11, and when the starting condition is satisfied by winning a game ball in the starting winning opening 13 during the game, the random number For example, a random number for the big hit lottery is obtained from the generator, the big hit lottery is performed, and if the random number is a big hit, it is determined whether it is a big hit of the normal symbol or a specific symbol, and in the case of an outlier random number, reach, reach In addition to making a reach effect such as a notice, a stop symbol for losing is determined.

  Further, the CPU 21 of the main control unit 20 acquires a big hit random number, generates a big hit signal and executes a predetermined big hit process when the variable symbols stop in line with the predetermined symbols and the big hit is fixed. Further, the CPU 21 outputs a symbol variation command to the symbol control unit 30, the voice control unit 40, and the lamp control unit 50 based on the lottery results. The symbol control unit 30, the voice control unit 40, and the lamp control unit 50 that have received these symbol variation commands are configured to select and determine a pre-stored effect program and execute it.

  Further, the symbol control unit 30 for controlling the symbol variation of the symbol variation display device 10 is composed of a CPU unit as a main part, like the main control unit 20, and the CPU 31 is based on a program stored in the ROM 32 in advance. As the game progresses, the symbol variation is performed on the display of the symbol variation display device 10. That is, when starting conditions such as when winning at the start winning opening 13 are established, symbol variation is started, an effect program is determined based on the symbol variation command sent from the main control unit 20, and the symbol corresponding to the effect program is determined. Data for executing the fluctuation program is read from the ROM 32, and control is performed so that the data is displayed on the display of the symbol fluctuation display device 10.

  For example, when the lottery result based on the random number acquired by the CPU 21 from the random number generator is reach notice and reach, the CPU 31 of the symbol control unit 30 reads the reach effect program, the reach notice effect program, and the like from the ROM 32 and changes the symbol fluctuation. The display device 10 is controlled to display it on the display.

  Further, when the player turns on the operation switch 6 at the time of starting winning, the CPU 31 inputs the acceleration signal detected by the operation sensor 6 according to the operation pressing force of the operation switch 6, that is, according to the acceleration. And act to determine reach production. For example, when a plurality of reach effects set with different degrees of reliability of 20%, 30%, and 50% are stored in advance, and one of these reach effects is determined by lottery, the CPU 31 determines whether the operation switch When 6 is turned on, a process for determining the presence or absence of the reach effect of each reliability is performed according to the acceleration of the push button 61 at the time of operation.

  In this process, for example, in the case of a reach effect with a reliability of 20%, the effect is performed only when the acceleration is lower than a predetermined first set value (in the case of weak pressing), and the acceleration is greater than or equal to the first set value. There will be no production. Further, in the case of a reach effect with a reliability of 30%, the effect is performed only when the acceleration is lower than the second set value (in the case of weak and medium press), and when the acceleration is greater than or equal to the second set value (in the case of a strong press) In case), no production will be performed. In the case of reach production with a reliability of 50%, it is carried out for all accelerations. In other words, when the reach is as high as 50%, the performance is performed in the case of all the operation pressures of the operation switch 6, and when the reach is as low as 20%, the operation pressure of the operation switch 6 is set to the first setting. Operation is performed so that the performance is performed only when the value is lower than the value. The relationship between the plurality of reach effects and the detected acceleration is stored in advance in the ROM 32 of the symbol control unit 30 as table data.

  Furthermore, the voice control unit 40 is configured with a CPU unit as a main part, similar to the main control unit 20, and the CPU 41 is based on a program stored in advance in the ROM 42 from the speaker 45 according to the progress of the pachinko game. Generate various sounds. When a start condition such as when winning at the start winning opening 13 is established, an effect program is determined based on the symbol variation command sent from the symbol control unit 30, and data for generating sound corresponding to the effect program is generated. Read from the ROM 42 and generate sound from the speaker 45. Further, when the operation switch 6 is struck, the CPU 41 operates as a warning means, and operates to generate a sound such as “Do not smash”.

  Further, the lamp control unit 50 is configured with a CPU unit as a main part, similarly to the main control unit 20, and the CPU 51 is based on a program stored in advance in the ROM 52 according to the progress of the pachinko game. Decorative lamps 56 to 58 such as side lamps are turned on or blinked. When a start condition such as when winning at the start winning opening 13 is established, an effect program is determined based on the symbol variation command sent from the symbol control unit 30, and data corresponding to the effect program is read from the ROM 52, and the data Based on the above, the decoration lamps 56 to 58 such as side lamps are turned on or blinked. Further, the CPU 51 performs control so that the display LED 65 built in the push button 61 is turned on when the operation of the operation switch 6 becomes valid at the time of starting winning.

  Next, the operation of the pachinko gaming machine having the above configuration will be described with reference to the flowchart of FIG. When a game ball wins a start winning opening 13 during a pachinko game, the start winning detector 14 detects this and sends a start winning signal to the CPU 21.

  At this time, the CPU 21 determines in step 100 that the start condition is satisfied, and then proceeds to step 110, where it acquires a random number for lottery lottery, and in the next step 120, based on the acquired random number, A jackpot lottery is performed with reference to a random number allocation table and the like, and a winning combination such as a jackpot, reach notice, reach, etc., reach production or miss is determined. Next, in step 130, an effect program to be displayed on the symbol variation display device 10 is determined according to the winning combination, the reach effect, and the like.

  Next, in step 140, the CPU 21 outputs a symbol variation display signal to the symbol control unit 30, causes the symbol variation display device 10 to start symbol variation display, and further displays LED 65 built in the operation switch 6. Is turned on to indicate that the operation of the operation switch 6 is effective. Thus, the player recognizes that the operation switch 6 can be turned on.

  As a result, the symbol variation display device 10 displays the variation of the three rows of symbols so that they flow from top to bottom. In the next step 150, it is determined whether or not a predetermined symbol variation time has elapsed. Until the time elapses, the process proceeds to step 160, where it is determined whether or not the operation switch 6 provided at the lower part has been turned on. When the operation switch 6 is not turned on, the process returns to step 150 again, and the processes of steps 150 and 160 are repeated.

  If the player presses the operation switch 6 at this time, it is determined in step 160 that the operation switch 6 has been turned on, and then the process proceeds to step 170 where the change program determined in step 130 and the operation stop switch 6 are determined. The presence or absence of the reach effect to be displayed is determined according to the operation pressing force, and if there is a reach effect, the reach effect is displayed on the symbol variation display device 10.

  For example, the effect program determined based on the lottery in step 130 is a reach effect with a reliability of 20%, and the operation pressing force of the operation switch 6 (acceleration detected by the acceleration sensor 63) is determined in advance. When the acceleration is lower than the first set value, the reach effect is executed. However, when the acceleration is equal to or higher than the first set value, the reach effect is not performed.

  Further, when the production program determined in step 130 is a reach production with a reliability of 30%, and the operation pressing force of the operation switch 6 is an acceleration lower than the second set value (in the case of weak and medium). Performs the reach effect, and does not perform the effect when the acceleration is equal to or higher than the second set value (when strong).

  Further, when the production program determined in step 130 is a reach production with a reliability of 50%, the reach production is carried out for all accelerations. In this way, when the reach is as high as 50%, the reach effect is performed in the case of all the operation pressing forces of the operation switch 6, and when the reach is as low as 20%, the operation pressing force of the operation switch 6 is low. Only when the value is lower than the first set value, the reach effect is performed.

  Next, the routine proceeds to step 180, where it is determined whether or not the operation switch 6 has been struck, and the third set value in which the acceleration signal at the time of operation of the operation switch 6 output from the acceleration sensor 63 is higher than the second set value. In the above case, it is determined that the push button 61 of the switch 6 has been struck, and in the next step 190, a caution display such as “Do not smash” is displayed on the symbol variation display device 10, and the reach effect is stopped.

  As a result, when the player slams the operation switch 6, the reach effect display is stopped and a caution display is made, so that the slamming of the operation switch can be effectively stopped, and the malfunction of the operation switch is prevented. It can be prevented in advance.

  Then, in step 200, it is determined whether or not a predetermined time has elapsed since the start of the symbol variation display. If the predetermined time has elapsed since the symbol variation start, the process proceeds to step 210. If it is determined in step 150 that a predetermined time has elapsed since the start of symbol variation, the process proceeds to step 210 next.

  In step 210, the variation symbol displayed on the symbol variation display device 10 is controlled to stop, and in the next step 220, it is determined whether or not a big hit is occurring based on the halt symbol. Here, when the symbols in the three rows stop together with the symbols set in advance, it is determined that the game is a jackpot, and in the next step 230, a predetermined jackpot process is executed.

  In this way, the player can freely select a game effect such as a reach effect according to the operation pressing force of the operation switch 6, and adjusts the pressing force of the operation switch 6, The reach production displayed can be changed. Further, when the player slams the operation switch 6, the reach effect display is stopped and a caution display is made, so that the slamming of the operation switch 6 can be effectively stopped, and the operation switch 6 is broken. Can be reduced and its life can be extended.

  In the above embodiment, the pachinko gaming machine has been described. However, the present invention can also be applied to a slot machine. In the case of a slot machine, a bet switch that determines the number of winning lines, a start for starting a spinning reel. An acceleration sensor is attached to a stop switch that stops the lever or the reel reel, and the acceleration applied to the operation site is detected. When the bet switch, start lever, or stop switch is operated, the operation part is struck and the level of the acceleration signal detected by the acceleration sensor exceeds the set value. It is possible to prevent breakage or failure of the switches by generating a display prompting or generating sound.

1 is a front view of a pachinko gaming machine showing an embodiment of the present invention. It is sectional drawing of an operation switch. It is a block diagram of the control system of a pachinko gaming machine. It is a flowchart which shows operation | movement of a pachinko gaming machine.

Explanation of symbols

6-Operation switch 61-Operation button 62-Switch contact 63-Accelerometer 65-Display LED
10-Symbol variation display device 11-Grand prize opening 13-Start prize opening 14-Start prize detector 20-Main control unit 21-CPU
22-ROM
23-RAM

Claims (2)

When a game ball wins a winning winning opening, a symbol variation display device that displays a plurality of symbols in a variable manner, a big hit lottery means for obtaining a random number for lottery and performing a lottery such as a big hit, and a reach effect by the lottery means When execution of a game effect including is determined, an effect executing means for selectively displaying a plurality of game effects on the symbol variation display device, and an operation for the player to select a game effect displayed on the symbol variation display device In a pachinko machine equipped with an operation switch,
The operation switch is provided with an acceleration sensor having a configuration in which a piezoresistive element is bridge-connected, and a display means that is lit and displayed when the operation switch is valid is provided in the operation switch.
Game effect determining means for determining a game effect based on a signal output from the acceleration sensor according to the operation pressing force of the operation switch is provided,
If the acceleration signal exceeds the set value from the acceleration sensor is output, performs warning display on the symbol variation display device as the manipulation switch is smashed, provided Produce stop means to stop the game effect display,
A plurality of reach effects having different reliability levels are stored in advance as the game effects,
When the level of the acceleration signal detected by the acceleration sensor during the pressing operation of the operation switch exceeds a predetermined set value while the display means is lit, the reach effect with low reliability is not displayed and the reliability is not displayed. Only high-reach production is displayed,
A pachinko gaming machine characterized in that when the level of the acceleration signal is lower than a predetermined set value, all reach effects are displayed from reach effects with low reliability to reach effects with high reliability . When a game ball wins a winning winning opening, a symbol change display device that displays a plurality of symbols in a variable manner, a big hit lottery means for obtaining a random number for lottery and performing a lottery such as a big win, and a reach effect by the lottery means When execution of a game effect including is determined, an effect executing means for selectively displaying a plurality of game effects on the symbol variation display device, and an operation for the player to select a game effect displayed on the symbol variation display device In a pachinko machine equipped with an operation switch,
The operation switch is provided with an acceleration sensor having a configuration in which a piezoresistive element is bridge-connected, and a display means that is lit and displayed when the operation switch is valid is provided in the operation switch.
Game effect determining means for determining a game effect based on a signal output from the acceleration sensor according to the operation pressing force of the operation switch is provided,
When an acceleration signal exceeding a set value is output from the acceleration sensor, there is provided an effect stop means for displaying a warning on the symbol variation display device and canceling the game effect display, assuming that the operation switch is struck.
As the game production, a reach production with higher reliability and a reach production with lower reliability are stored in advance,
As the threshold value of the level of the acceleration signal output from the acceleration sensor, the first set value and the second set value are set from the lowest,
When the reach effect with lower reliability is determined by the lottery means, the reach effect is displayed when the level of the acceleration signal detected by the acceleration sensor is lower than the first set value when the operation switch is pressed. When the level of the acceleration signal detected by the acceleration sensor is equal to or higher than the first set value, the reach effect is not displayed.
When the reach effect with higher reliability is determined by the lottery means, the reach effect is displayed when the level of the acceleration signal detected by the acceleration sensor is lower than the second set value when the operation switch is pressed. The pachinko gaming machine is characterized in that the reach effect is not displayed when the level of the acceleration signal detected by the acceleration sensor is equal to or higher than the second set value .

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