JP2013085842A - Sub-control board case and game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sub-control board case configured to reduce cost and prevent a sub-control circuit from being influenced by electric noise or magnetic noise, and to provide a game machine.SOLUTION: The sub-control board case 42 is used for a game machine including: an outer body comprising a cabinet and a front door mounted in an openable/closable manner on the cabinet; a main control board disposed in the cabinet and constituting a main control circuit for controlling a sequence of a game; and a sub-control board disposed on the rear face side of the front door and constituting the sub-control circuit for controlling the execution of a performance. The sub-control board case 42 includes a case body 91 and a plated section 92. The case body 91 is formed in the shape of a case for storing the sub-control board, and mounted on the rear face side of the front door. The plated section 92 is formed to cover the whole outer surface of the case body 91, and blocks electromagnetic waves.

Description

  The present invention relates to a sub-control board case that houses a sub-control board that controls the execution of effects by displaying sound or video, and a gaming machine including the sub-control board case.

  A general gaming machine includes a cabinet that houses reels and the like, and a front door that is attached to the cabinet so as to be opened and closed. The reel accommodated in the cabinet is visually recognized by the player through a display window provided in the front door.

  A main control board constituting a main control circuit is disposed in the cabinet. This main control circuit, for example, determines an internal winning combination performed using a random number in the program, rotates and stops a plurality of reels, and wins based on symbols displayed on the display window when a plurality of reels are stopped. Controls the main flow of games in gaming machines, such as the presence / absence determination.

  On the other hand, a sub control board constituting a sub control circuit is disposed on the front door. The sub-control circuit configured by the sub-control board controls execution of effects by displaying sound or video. This effect is determined by the sub control circuit based on, for example, the operation of the start lever by the player or the internal winning combination determined by the main control circuit. Among the effects executed in this manner, for example, there are those that inform the player of information relating to AT (assist time) or ART (privilege that combines assist time and replay time).

  The gaming machine disclosed in Patent Document 1 includes a control board (control circuit) disposed in a cabinet and a cover member that covers a portion of the control board facing the front side of the gaming machine. The cover member suppresses malfunction of the control board (control circuit) due to the influence of electrical noise such as static electricity generated inside the gaming machine, electrical noise applied from outside the gaming machine, or magnetic noise. For example, the cover member is configured by attaching a radio wave blocking sheet made of a conductive paint, electroless plating metal spraying, aluminum deposition, or the like to a plate-like member.

  On the other hand, the sub-control board disposed on the front door generally employs a configuration in which a radio wave blocking sheet is attached to a cover member that covers a portion facing the front side of the gaming machine.

JP 2004-254975 A

  However, as in the gaming machine disclosed in Patent Document 1, when the radio wave blocking sheet is used to prevent the influence of electrical noise or magnetic noise, the radio wave blocking sheet is expensive, and thus a factor that hinders cost reduction. become.

  In addition, even if the portion facing the front side of the gaming machine on the sub control board disposed on the front door is covered with a cover member to which a radio wave blocking sheet is attached, the part other than the front side of the gaming machine on the sub control board It is affected by electrical noise or magnetic noise. As a result, a malfunction may occur in the sub control circuit.

  As described above, the sub control circuit configured by the sub control board controls the execution of the effect. Since some of these effects notify information that is advantageous to the player, if the sub-control circuit malfunctions, the interest of the game is reduced. Therefore, it is preferable to prevent or suppress the influence of electrical noise or magnetic noise on the sub-control circuit to reduce malfunction of the sub-control circuit.

  An object of the present invention is to provide a sub-control board case and a gaming machine that realizes a structure that reduces the cost and is less susceptible to the influence of electrical noise or magnetic noise in consideration of the actual situation in the prior art. It is to provide.

  The sub-control board case of the present invention includes a cabinet and an exterior body composed of a front door attached to the cabinet so as to be openable and closable, and a main control that is disposed inside the cabinet and controls the main flow of the game. It is used in a gaming machine that includes a main control board that constitutes a circuit and a sub control board that is disposed on the back side of the front door and constitutes a sub control circuit that controls execution of effects. The sub control plate case has a case main body and a plating part. The case body is formed in a casing shape that accommodates the sub-control board, and is attached to the back side of the front door. The plating part is formed so as to cover the entire outer surface of the case body, and blocks electromagnetic waves.

  In addition, the gaming machine of the present invention includes a cabinet and an exterior body constituted by a front door attached to the cabinet so as to be openable and closable, and a main control that is disposed inside the cabinet and controls the main flow of the game. The main control board which comprises a circuit, the sub control board which is arrange | positioned on the back surface side of a front door, and comprises the sub control circuit which controls execution of an effect, and the above-mentioned sub control board case are provided.

  In the sub-control board case and the gaming machine having the above-described configuration, the sub-control board is housed in a case body that accommodates the sub-control board. And the plating part which interrupts | blocks electromagnetic waves is formed in the whole outer surface of a case main body. Thereby, an electrical noise or a magnetic noise can be interrupted | blocked by the outer surface of the case main body which a sub control board accommodates. As a result, it is possible to realize a structure in which the sub control circuit is hardly affected by electrical noise or magnetic noise.

  Further, since the plated portion is formed on the entire outer surface of the case main body, the cost can be reduced as compared with the use of the radio wave shielding sheet. Furthermore, even if the case main body has irregularities and vents, the plating portion can be easily formed on the outer surface of the case main body, so that the manufacturing operation can be simplified.

  According to the present invention, it is possible to reduce the cost and realize a structure in which the sub-control circuit is hardly affected by electrical noise or magnetic noise.

It is explanatory drawing explaining the functional flow of the game machine in one Embodiment of this invention. It is a perspective view which shows the example of an external appearance structure of the game machine in one Embodiment of this invention. It is a perspective view which shows the internal structure of the game machine in one Embodiment of this invention. It is explanatory drawing which shows the inside of the cabinet of the game machine in one Embodiment of this invention. It is explanatory drawing which shows the back surface side of the front door of the game machine in one Embodiment of this invention. It is a block diagram which shows the control system of the game machine in one Embodiment of this invention. It is a block diagram which shows the structural example of the main control circuit of the game machine in one Embodiment of this invention. It is a block diagram which shows the structural example of the sub control circuit of the game machine in one Embodiment of this invention. It is a perspective view which shows the sub control board case of the game machine in one Embodiment of this invention. It is a disassembled perspective view of the sub control board case of the gaming machine in one embodiment of the present invention.

  A pachi-slot showing an embodiment of a sub-control board case and a gaming machine of the present invention will be described with reference to FIGS. First, a functional flow according to the embodiment of the gaming machine will be described with reference to FIG.

  In the pachislot of this embodiment, medals are used as game media for playing games. In addition to the medals, coins, game balls, game point data, tokens, or the like can be applied as game media.

  When a player inserts a medal and operates the start lever, one value (hereinafter, random number value) is extracted from random numbers in a predetermined numerical range (for example, 0 to 65535).

  The internal lottery means performs lottery based on the extracted random number value and determines an internal winning combination. This internal lottery means is carried out by a main control circuit described later. By determining the internal winning combination, a combination of symbols that permits display along a winning determination line described later is determined. The types of symbol combinations include those related to “winning” in which merits such as paying out medals, re-games, bonuses, etc. are given to players, and other so-called “loses”. Is provided.

  Further, when the start lever is operated, a plurality of reels are rotated. Thereafter, when the stop button is pressed by the player, the reel stop control means performs control to stop the rotation of the corresponding reel based on the internal winning combination and the timing when the stop button is pressed. The reel stop control means is responsible for a main control circuit described later.

  In the pachi-slot, basically, control for stopping the rotation of the corresponding reel is performed within a specified time (190 msec) from when the stop button is pressed. In the present embodiment, the number of symbols that move with the rotation of the reel within the specified time is referred to as “the number of sliding symbols”, and the maximum number is defined as four symbols.

  The reel stop control means displays the symbol combination as much as possible along the winning determination line using the specified time when the internal winning combination allowing the display of the symbol combination related to winning is determined. Stop the reel rotation so that Further, the reel stop control means stops the rotation of the reel using the specified time so that a combination of symbols that are not permitted to be displayed by the internal winning combination is not displayed along the winning determination line.

  Thus, when the rotation of the plurality of reels is all stopped, the winning determination means determines whether or not the combination of symbols displayed along the winning determination line is related to winning. This winning determination means is carried out by a main control circuit described later. When it is determined that the prize is related to a prize, a bonus such as a medal payout is given to the player. A series of flows as described above is performed as one game in the pachislot.

  Further, in the pachislot, in the above-described series of flows, video display performed by a display device such as a liquid crystal display device, light output performed by various lamps, sound output performed by a speaker, or a combination thereof is used. Various productions are performed.

  When the start lever is operated, an effect random number value (hereinafter referred to as effect random number value) is extracted in addition to the random number value used for determining the internal winning combination. When the effect random number value is extracted, the effect content determining means determines, by lottery, what is to be executed this time from among a plurality of types of effect contents associated with the internal winning combination. This effect content determination means is carried out by a sub-control circuit described later.

  When the content of the production is determined, the production execution means is linked to each opportunity such as when the rotation of the reel is started, when the rotation of each reel is stopped, or when the presence / absence of a prize is determined. To proceed with the production. This effect executing means is carried out by a sub-control circuit described later. In this way, in the pachislot, the player is given the opportunity to know or predict the determined internal winning combination (in other words, the combination of symbols to be aimed at) by executing the production contents associated with the internal winning combination. As a result, the player's interest is improved.

<Pachislot structure>
Next, the structure of the pachislot machine 1 according to an embodiment will be described with reference to FIGS.

[Appearance structure]
FIG. 2 is a perspective view showing the external structure of the pachi-slot 1.

The exterior body 2 of the pachi-slot 1 includes a cabinet 2a that houses a reel, a circuit board, and the like, and a front door 2b that is attached to the cabinet 2a so as to be opened and closed.
Handles 7 are provided on both side surfaces of the cabinet 2a. The handle 7 is a recess that is put on when carrying the pachi-slot 1.

  Inside the cabinet 2a, three reels 3L, 3C, 3R are provided side by side. Hereinafter, the reels 3L, 3C, and 3R are referred to as a left reel 3L, a middle reel 3C, and a right reel 3R, respectively. Each reel 3L, 3C, 3R has a reel body formed in a cylindrical shape and a translucent sheet material mounted on the peripheral surface of the reel body. A plurality of (for example, 21) symbols are drawn on the surface of the sheet material at predetermined intervals along the circumferential direction.

  A liquid crystal display device 10 is provided at the center of the front door 2b. The liquid crystal display device 10 includes a display screen including symbol display areas 4L, 4C, and 4R, and is provided so as to be positioned on the near side superimposed on the three reels 3L, 3C, and 3R when viewed from the front. In the present embodiment, the entire display screen including the symbol display areas 4L, 4C, and 4R is used to display an image and execute an effect.

  The symbol display areas 4L, 4C, 4R are provided corresponding to the three reels 3L, 3C, 3R, respectively. The symbol display areas 4L, 4C, and 4R serve as display windows, and are configured to be able to pass through the reels 3L, 3C, and 3R provided behind the symbol display areas 4L, 4C, and 4R. Hereinafter, the symbol display areas 4L, 4C, and 4R are referred to as a left display window 4L, a middle display window 4C, and a right display window 4R, respectively.

  When the rotation of the reels 3L, 3C, 3R provided behind the display windows 4L, 4C, 4R is stopped, among the plural types of symbols of the reels 3L, 3C, 3R, One symbol (three in total) is displayed in each of the middle and lower regions. Each of the display windows 4L, 4C, 4R is a target for determining whether or not to win a pseudo line that is a combination of any one of the three areas consisting of the upper, middle, and lower stages. It is defined as a line (winning determination line).

  In the present embodiment, a center line 8 is provided as a winning determination line. The center line 8 is a combination of the middle stage of the left display window 4L, the middle stage of the middle display window 4C, and the middle stage of the right display window 4R.

  On the side of the display screen of the liquid crystal display device 10, a 7-segment display 6 including a 7-segment LED (Light Emitting Diode) is provided. The 7-segment display 6 digitally displays information such as the number of medals to be paid out to the player as a privilege (hereinafter referred to as payout number) and the number of medals deposited in the pachislot (hereinafter referred to as credit number). .

  The front door 2b is provided with various devices to be operated by the player. The medal slot 11 is provided for receiving a medal dropped from the outside by the player. The medals accepted by the medal slot 11 are inserted into one game with a predetermined number as the upper limit, and the amount exceeding the specified number can be deposited inside the pachislot 1 ( So-called credit function).

  The BET button 12 is provided for determining the number of coins to be inserted into one game from medals deposited inside the pachislot 1. The checkout button 14 is provided to pull out medals deposited inside the pachislot 1 to the outside.

  The start lever 16 is provided to start rotation of all reels (3L, 3C, 3R). The stop buttons 17L, 17C, and 17R are associated with the three reels 3L, 3C, and 3R, respectively, and are provided to stop the rotation of the corresponding reels. Hereinafter, the stop buttons 17L, 17C, and 17R are referred to as a left stop button 17L, a middle stop button 17C, and a right stop button 17R, respectively.

  The medal payout port 18 guides medals discharged by driving a medal payout device 34 described later to the outside. The medals discharged from the medal payout opening 18 are stored in the medal tray 19. The lamp (LED or the like) 20 outputs light in a turn-on / off pattern according to the content of the effect. The speaker holes 21L, 21R, 22L, and 22R are provided to output sound such as sound effects and music corresponding to the contents of the performance.

[Internal structure]
FIG. 3 is a perspective view showing the internal structure of the pachi-slot 1. In FIG. 3, the front door 2b is opened, and the structure on the back surface side of the front door 2b and the structure inside the cabinet 2a are shown. FIG. 4 is an explanatory diagram showing the inside of the cabinet 2a. FIG. 5 is an explanatory view showing the back side of the front door 2b.

  As shown in FIG. 4, the main control board 31 which comprises the main control circuit 71 (refer FIG. 7) is arrange | positioned at the upper side inside the cabinet 2a. The main control circuit 71 is a circuit that controls the main flow of the game in the pachislot 1 such as determination of an internal winning combination, rotation and stop of the reels 3L, 3C, 3R, and determination of the presence or absence of winning. A specific configuration of the main control circuit 71 will be described later.

  Three reels 3L, 3C, and 3R are provided at the center inside the cabinet 2a. FIG. 4 shows a state where the reel body is exposed by removing the sheet material from each of the reels 3L, 3C, 3R. Stepping motors are connected to the three reels 3L, 3C, 3R through gears having a predetermined reduction ratio.

When the inside of the cabinet 2a is viewed from the front, a setting key switch 32 and an external concentration terminal plate 33 are disposed on the right side of the right reel 3R. The setting key type switch 32 is used when changing or confirming the setting of the pachislot 1.
The external concentrated terminal plate 33 is attached to the side plate of the cabinet 2a. The external concentration terminal board 33 is provided to output signals such as a medal insertion signal, a medal payout signal, and a security signal to the outside of the pachislot machine 1.

  Below the inside of the cabinet 2a, there is provided a medal payout device (hereinafter referred to as a hopper device) 34 having a structure capable of storing a large amount of medals and discharging them one by one. The hopper device 34 pays out medals when the number of stored medals exceeds 50, for example, or when the settlement button is pressed and the medals are settled. The medals paid out by the hopper device 34 are discharged from the medal payout outlet 18 (see FIG. 2).

  When the inside of the cabinet 2a is viewed from the front, a medal auxiliary store 35 for storing medals overflowing from the hopper device 34 is disposed on the right side of the hopper device 34. Further, when the inside of the cabinet 2a is viewed from the front, a power supply device 36 is provided on the left side of the hopper device 34 for supplying necessary power to each device included in the pachislot machine 1. The power supply device 36 includes a power switch 36a and a power supply board 36b (see FIG. 6).

  Further, a sub speaker 37 is disposed between the hopper device 34 and the three reels 3L, 3C, 3R.

  As shown in FIGS. 3 and 5, a sub control board case 42 that houses the sub control board 41 (see FIG. 10) is disposed on the upper side of the back surface of the front door 2 b. The sub control board 41 faces the main control board 31 inside the cabinet 2a via the sub control board case 42. And the sub control board 41 comprises the sub control circuit 81 (refer FIG. 8). The sub-control circuit 81 is a circuit that controls the execution of effects by displaying images. A specific configuration of the sub control circuit 81 will be described later.

  A sub-relay board 43 is disposed on the right side of the sub-control board case 42 when the front door 2b is viewed from the back side. The sub relay board 43 is a board that relays wiring between the sub control board 41 and a board disposed around the sub control board 41. In addition, as a board | substrate arrange | positioned around the sub control board 41, LED board 45A, 45B, 45C mentioned later and the sound I / O board | substrate 46 are mentioned.

  The LED board 45A is disposed above the sub control board case 42 when viewed from the back side of the front door 2b. The LED board 45B is disposed on the right side of the sub-relay board 43 as viewed from the back side of the front door 2b, and the LED board 45C is disposed on the right side of the sub-relay board 43. These LED boards 45A, 45B, and 45C display a blinking pattern according to the effect executed by the control of the sub-control circuit 81 (see FIG. 6).

  The sound I / O substrate 46 is disposed at the center (below the display windows 4L, 4C, 4R) on the back surface of the front door 2b. The sound I / O board 46 outputs sound to speakers 48L, 48R, 49L, and 49R described later.

  A gaming operation display board 47 is disposed below the sound I / O board 46. The game operation display board 47 displays the number of inserted medals on the 7-segment display 6 when accepting insertion of medals, when the three reels 3L, 3C, 3R are rotatable and when replaying. A substrate for display.

  Upper speakers 48L and 48R are disposed on the left and right sides of the sound I / O board 46 and the game operation display board 47, respectively. Lower speakers 49L and 49R are disposed on the lower side of the back surface of the front door 2b. The upper speakers 48L and 48R face the speaker holes 21L and 21R, respectively, and the lower speakers 49L and 49R face the speaker holes 22L and 22R, respectively.

  A selector 51 and a door open / close monitoring switch 52 are arranged between the upper speaker 48R and the lower speaker 49R. The selector 51 is a device for selecting whether or not the medal material or shape is appropriate, and guides the appropriate medal received in the medal insertion slot 11 to the hopper device 34. A medal sensor (not shown) for detecting that an appropriate medal has passed is provided on the path through which the medal passes in the selector 51.

  The door open / close monitoring switch 52 is disposed on the left side of the selector 51 when the front door 2b is viewed from the back side. The door opening / closing monitoring switch 52 outputs a security signal for notifying the opening / closing of the front door 2b to the outside of the pachi-slot 1.

  A door relay board 53 is disposed on the right side of the selector 51 when the front door 2b is viewed from the back side. The door relay board 53 is a board that relays wiring between the main control board 31 (see FIG. 4), various buttons and switches, the sub control board 41 (see FIG. 6), the game operation display board 47, and the selector 51. is there. Examples of the various buttons and switches include a BET button 12, a settlement button 14, a door open / close monitoring switch 52, a BET switch 55 and a start switch 57, which will be described later.

  A 24h door opening / closing monitoring unit 54 is disposed below the door relay board 53. The 24h door opening / closing monitoring unit 54 stores the opening / closing history of the front door 2b. When the front door 2b is opened or the selector 51 is removed, a signal for displaying an error on the liquid crystal display device 10 is output to the sub control board 41 (sub control circuit 81).

<Control system for pachislot>
Next, a control system provided in the pachislo 1 will be described with reference to FIG.
FIG. 6 is a block diagram showing a control system of the pachi-slot 1.

The pachi-slot 1 includes a main control board 31 disposed in the cabinet 2a and a sub control board 41 disposed in the front door 2b.
Connected to the main control board 31 are a key switch 32 for setting, an external concentration terminal board 33, a hopper device 34, a reel relay terminal board 38, a power supply board 36b of the power supply device 36, and a medal auxiliary box switch 39. Has been. Since the setting key type switch 32, the external concentration terminal board 33, and the hopper device 34 have been described above, the description thereof will be omitted.

  A power switch 36 a and a power plug 36 c are connected to the power supply board 36 b of the power supply device 36. The power plug 36c and the cord connecting the power plug 36c and the power board 36b are drawn out from a through hole (not shown) provided in the back surface of the cabinet 2a. Then, the power plug 36 c is inserted into an insertion port of a power outlet provided outside the pachislot 1.

  The reel relay terminal plate 38 is disposed inside the reel body of each reel 3L, 3C, 3R. The reel relay terminal plate 38 is electrically connected to stepping motors (not shown) of the reels 3L, 3C, 3R, and relays signals output from the main control board 31 to the stepping motor.

  The medal auxiliary warehouse switch 39 is provided in the medal auxiliary warehouse 35. This medal auxiliary box switch 39 detects whether or not the medal auxiliary box 35 is full of medals.

  The main control board 31 is connected to the selector 51, the door opening / closing monitoring switch 52, the game operation display board 47, the BET switch 55, the settlement switch 56, the start switch 57, the stop switch board 58, and the sub-switch via the door relay board 53. A relay board 43 is connected. Since the selector 51, the door opening / closing monitoring switch 52, and the game operation display board 47 have been described above, description thereof will be omitted.

  The BET switch 55 detects that the BET button 12 has been pressed by the player. The settlement switch 56 detects that the settlement button 14 has been pressed by the player. The start switch 57 detects that the start lever 16 has been operated by the player (start operation).

  The stop switch substrate 58 is a substrate constituting a circuit for stopping the rotating reel and a circuit for displaying the stopable reel by an LED or the like. The stop switch board 58 is provided with a stop switch. This stop switch detects that each stop button 17L, 17C, 17R has been pressed by the player (stop operation).

  A 7-segment display 6 and an LED 59 are connected to the game operation display board 47. The LED 59 lights, for example, a mark for displaying the start of a game or a mark for performing a re-game.

  The sub control board 41 is connected to the main control board 31 via the door relay board 53 and the sub relay board 43. LED board 45A, 45B, 45C, sound I / O board 46, and 24h door open / close monitoring unit 54 are connected to the sub control board 41 through a sub relay board 43. Since these LED boards 45A, 45B, and 45C, the sound I / O board 46, and the 24h door opening / closing monitoring unit 54 have been described above, their descriptions are omitted.

In addition, a ROM cartridge substrate 61 and a liquid crystal relay substrate 62 are connected to the sub control substrate 41. The ROM cartridge substrate 61 and the liquid crystal relay substrate 62 are accommodated in the sub control board case 42 together with the sub control board 41.
The ROM cartridge substrate 61 is a substrate for managing production images (videos), sound, LED substrates 45A, 45B, and 45C and communication data. The liquid crystal relay substrate 62 is a substrate that relays the wiring between the sub control substrate 41 and the liquid crystal display device 10.

<Main control circuit>
Next, the main control circuit 71 constituted by the main control board 31 will be described with reference to FIG.
FIG. 7 is a block diagram illustrating a configuration example of the main control circuit 71 of the pachi-slot 1.

  The main control circuit 71 includes a microcomputer 72 installed on the main control board 31 as a main component. The microcomputer 72 includes a main CPU 73, a main ROM 74, and a main RAM 75.

  The main ROM 74 stores a control program executed by the main CPU 73, a data table, data for transmitting various control commands (commands) to the sub control circuit 81, and the like. The main RAM 75 is provided with a storage area for storing various data such as an internal winning combination determined by executing the control program.

  The main CPU 73 is connected with a clock pulse generation circuit 76, a frequency divider 77, a random number generator 78 and a sampling circuit 79. The clock pulse generation circuit 76 and the frequency divider 77 generate clock pulses. The main CPU 73 executes a control program based on the generated clock pulse. The random number generator 78 generates a random number in a predetermined range (for example, 0 to 65535). The sampling circuit 79 extracts one value from the generated random numbers.

  The main CPU 73 counts the number of times pulses are output to the stepping motors of the reels 3L, 3C, 3R after detecting the reel index. Thereby, the main CPU 73 manages the rotation angle of each reel 3L, 3C, 3R (mainly, how many symbols the reel has rotated).

  Here, the management of the rotation angle of each reel 3L, 3C, 3R will be specifically described. The number of pulses output to the stepping motor is counted by a pulse counter provided in the main RAM 75. Each time the output of a predetermined number of pulses (for example, 16 times) necessary for rotation for one symbol is counted by the pulse counter, the symbol counter provided in the main RAM 75 is incremented by one. The symbol counter is provided for each reel 3L, 3C, 3R. The value of the symbol counter is cleared when a reel index is detected by a reel position detector (not shown).

  In other words, in the present embodiment, by managing the symbol counter, it is possible to manage how many symbols have been rotated since the reel index was detected. Therefore, the position of each symbol on each reel 3L, 3C, 3R is detected with reference to the position where the reel index is detected.

  As described above, in the present embodiment, the maximum number of sliding symbols is set to four symbols. Therefore, when the left stop button 17L is pressed, the symbols of the left reel 3L in the middle of the left display window 4L and the symbols within the range up to the four symbols ahead are displayed in the middle of the left display window 4L. It becomes a symbol that can be stopped.

<Sub control circuit>
Next, the sub control circuit 81 constituted by the sub control board 41 will be described with reference to FIG.
FIG. 8 is a block diagram illustrating a configuration example of the sub-control circuit 81 of the pachislot 1.

  The sub control circuit 81 is electrically connected to the main control circuit 71 and performs processing such as determination and execution of effect contents based on a command transmitted from the main control circuit 71. The sub control circuit 81 basically includes a sub CPU 82, a sub RAM 83, a rendering processor 84, a drawing RAM 85, and a driver 86.

  The sub CPU 82 controls the output of video, sound and light according to the control program stored in the ROM cartridge substrate 61 in accordance with the command transmitted from the main control circuit 71. The ROM cartridge substrate 61 basically includes a program storage area and a data storage area.

  A control program executed by the sub CPU 82 is stored in the program storage area. For example, in the control program, a main board communication task for controlling communication with the main control circuit 71 and an effect registration task for extracting effect random numbers and determining and registering effect contents (effect data) Is included. Further, a drawing control task for controlling display of an image by the liquid crystal display device 10 (see FIG. 6) based on the determined contents of the effect, a lamp control task for controlling light output by the lamp (LED) 20, and speakers 48L, 48R, A voice control task for controlling the output of sound by 49L and 49R is included.

  The data storage area includes a storage area for storing various data tables, a storage area for storing effect data constituting each effect content, and a storage area for storing animation data related to creation of video. Also included are a storage area for storing sound data related to BGM and sound effects, a storage area for storing lamp data related to the light on / off pattern, and the like.

  The sub-RAM 83 is provided with a storage area for registering the determined contents and effects data, and a storage area for storing various data such as an internal winning combination transmitted from the main control circuit 71.

  The sub CPU 82, the rendering processor 84, the drawing RAM (including the frame buffer) 85, and the driver 86 create a video in accordance with the animation data designated by the contents of the effect, and cause the liquid crystal display device 10 to display the created video.

  Further, the sub CPU 82 causes the speakers 48L, 48R, 49L, and 49R to output sounds such as BGM in accordance with the sound data specified by the production contents. Further, the sub CPU 82 controls turning on and off of the lamp (LED) 20 according to the lamp data designated by the contents of the effect.

<Sub control board case configuration>
Next, the sub control board case 42 that houses the sub control board 41 will be described with reference to FIGS. 9 and 10.
FIG. 9 is a perspective view showing the sub control board case 42. FIG. 10 is an exploded perspective view of the sub control board case.

  As shown in FIG. 9, the sub control board case 42 includes a case main body 91 formed in a substantially rectangular housing shape, and a plating portion 92 formed so as to cover the entire outer surface of the case main body 91. Yes. The case main body 91 accommodates the sub control board 41, the ROM cartridge board 61 and the liquid crystal relay board 62.

  As shown in FIG. 10, the sub control board 41 is provided with a graphic module 63, a cartridge connector 64, and a relay board connection connector 65. A liquid crystal relay board 62 is mounted on the sub control board 41.

  The graphic module 63 is a built-in module for outputting an effect image to the liquid crystal display device 10 (see FIG. 6). The ROM cartridge substrate 61 is connected to the cartridge connector 64, and the sub-relay substrate 43 (see FIG. 6) is connected to the relay substrate connection connector 65. A liquid crystal relay board 62 is mounted on the sub control board 41.

  Accordingly, the ROM cartridge substrate 61, the liquid crystal relay substrate 62, the graphic module 63, and the sub relay substrate 43 are connected to the sub CPU 82 of the sub control circuit 81 constituted by the sub control substrate 41.

The case body 91 includes a lower case member 94 and an upper case member 95.
The lower case member 94 is formed in a substantially rectangular plate shape, and has a fixing boss 96 and a through hole 97.

  The sub-control board 41 is fixed to the fixing boss 96 by screws (not shown). Therefore, the fixing boss 96 is formed with a female screw portion into which a screw (not shown) is screwed. A screw (not shown) for attaching the lower case member 94 to the front door 2b passes through the through hole 97. That is, by attaching the lower case member 94 to the front door 2b with screws, the sub control board case 42 is fixed to the back side of the front door 2b.

  Further, an engagement edge portion 98 is provided on the peripheral edge of the lower case member 94. The engaging edge 98 protrudes substantially perpendicularly from the surface facing the upper case member 95 of the lower case member 94. Then, four side plates 102 to 104 (described later) of the upper case member 95 are engaged with the engagement edge portion 98, respectively.

The upper case member 95 includes a substantially rectangular top plate 101 and four side plates 102, 103, 104, and 105 that are continuous with four sides of the top plate 101, respectively.
The upper surface plate 101 is formed in a substantially rectangular planar shape. The upper surface plate 101 is provided with a step in a direction intersecting the plane. Therefore, the upper surface plate 101 has a first upper surface 101a and a second upper surface 101b that is lower than the first upper surface 101a.

  The first upper surface 101a of the upper surface plate 101 forms a part of two long sides on the side surface plates 102 and 103 side and a short side on the side surface plate 104 side. The first upper surface 101a is provided with a first vent 107 made up of a plurality of vents 107a and a second vent 108 made up of a plurality of vents 108a.

  The second upper surface 101b forms the other part of the two long sides on the side plates 102 and 103 side and the short side on the side plate 105 side. The second upper surface 101b is provided with a cartridge opening (not shown) used when the ROM cartridge substrate 61 is replaced. The cartridge opening is sealed with a sealing lid 111. The sealing lid 111 is provided with a band fixing portion 111a for fixing the sealing band 112 by caulking.

  The sealing band 112 is passed through a through hole provided in the upper surface plate 101. Therefore, the sealing lid 111 cannot be removed from the upper surface plate 101 unless the sealing band 112 is removed from the upper surface plate 101. The sealing band 112 is fixed so as not to move in the direction of removal by the band fixing part 111a.

  When removing the sealing band 112 from the upper surface plate 101, the sealing band 112 is cut using a tool. Thereby, the sealing lid 111 can be removed from the upper surface plate 101. At this time, since the sealing band 112 is cut, a trace of opening the sealing lid 111 remains. Thereby, it can be easily recognized that the ROM cartridge substrate 61 has been replaced or removed. As a result, fraud with respect to the ROM cartridge substrate 61 can be suppressed.

As shown in FIG. 9, the side plate 102 is provided with a third vent 113 formed of a plurality of vent holes 113a. The plurality of air holes 113 a are formed in a slit shape, and are arranged at appropriate intervals along the long side of the upper surface plate 101.
Moreover, the 4th ventilation port 114 which consists of several ventilation hole 114a is provided in the edge part by the side plate 105 side of the side plate 103 (refer FIG. 10).

  Sealing seals 116A and 116B are attached to the side plates 104 and 105, respectively. The seal seal 116 </ b> A (see FIG. 10) is attached across the short side of the side plate 104 and the lower case member after the upper case member 95 is attached to the lower case member 94. Further, the seal seal 116B is attached across the other short side of the side plate 105 and the lower case member after the upper case member 95 is attached to the lower case member 94 (see FIG. 9). These seal seals 116A and 116B are used to leave a trace of the opening of the sub-control board case 42.

  Further, the side plate 105 is provided with a notch 117 for exposing the relay board connector 65 (see FIG. 9).

  As a material of the case main body 91 constituted by the lower case member 94 and the upper case member 95, it is preferable to use a synthetic resin such as polycarbonate in consideration of weight reduction and rigidity. In addition, as a material of the case main body according to the present invention, a metal such as aluminum or stainless steel can be applied.

  The plating part 92 is formed by a general plating process. In this embodiment, copper is used for the base plating, and nickel plating and chromate treatment are performed thereon. In the present embodiment, the plating part 92 is formed by performing the above-described plating process, but the plating part according to the present invention is formed by various plating processes as long as it is good for shielding electromagnetic waves. be able to.

  The sub-control board case 42 configured in this manner accommodates the sub-control board 41 so as to surround it, and blocks electromagnetic waves (electrical noise and / or magnetic noise) by the plating portion 92 formed on the outer surface. Therefore, it is possible to realize a structure in which the sub control board 41 (sub control circuit 81) housed in the sub control board case 42 is not easily affected by electromagnetic waves.

  Moreover, since the sub control board case 42 forms the plating part 92 in the whole outer surface of the case main body 91, it can aim at cost reduction rather than using a radio wave shielding sheet.

  The case main body 91 is provided with vent holes 107, 108, 113, and 114. Thereby, the air heated in the sub control board case 42 can be discharged to the outside of the sub control board case 42, and the cooled air can be taken into the sub control board case 42. As a result, the electronic component mounted on the sub control board 41 can be air-cooled.

  In addition, the case body 91 is formed with unevenness by providing a step. Thereby, the area of the outer surface of the case main body 91 can be increased, and the heat dissipation effect of the case main body 91 can be enhanced.

  For example, when the radio wave shielding sheet is attached to the outer surface of the case main body 91, the radio wave shielding sheet must be processed according to the vents 107, 108, 113, 114 and a plurality of irregularities, which increases the number of work steps. As a result, the manufacture of the sub-control board case for blocking electromagnetic waves becomes complicated, and the manufacturing cost increases.

  On the other hand, the sub control board case 42 of the present embodiment forms a plating portion 92 on the outer surface of the case main body 91. Therefore, the sub-control board case 42 that blocks electromagnetic waves can be easily manufactured, and the manufacturing cost can be kept low.

  Further, in the sub control board case 42 of the present embodiment, the case main body 91 is configured by the lower case member 94 and the upper case member 95. Thereby, the sub control board 41 can be easily accommodated in the case main body 91. Furthermore, after the lower case member 94 is fixed to the front door 2b, the sub control board 41 can be attached to the lower case member 94, and workability can be improved.

  Further, the sub control board case 42 of the present embodiment includes sealing seals 116 </ b> A and 116 </ b> B that are pasted across the lower case member 94 and the upper case member 95. Thereby, the trace by which the sub control board case 42 was opened can be left, and it can suppress that the sub control board case 42 is opened unlawfully.

<Modification>
As mentioned above, although the game machine concerning one embodiment of the present invention was explained including the operation effect, the present invention is not limited to the embodiment described here. It goes without saying that various embodiments are included without departing from the gist of the present invention described in the claims.

  In the pachi-slot 1 of the above-described embodiment, the sub control board 41 is fixed to the lower case member 94 with screws (not shown). Further, the lower case member 94 was attached to the front door 2b with screws (not shown). However, the fixing of the sub control board 41 to the lower case member 94 and the mounting of the lower case member 94 to the front door 2b are not limited to screws, and other fixing methods or mounting methods such as adhesive, hook, caulking, and the like, for example. Can be adopted.

  In the pachislot machine 1 according to the embodiment described above, the case main body 91 is configured by the lower case member 94 and the upper case member 95 (two members). However, the case body according to the present invention may be composed of three or more members.

  In the pachislot machine 1 of the above-described embodiment, the plated portion 92 is formed on the entire outer surface of the case body 91. However, the plated portion is also provided on the outer surface of the sealing lid 111 that seals the cartridge opening of the case body 91. It may be formed. Thereby, electromagnetic waves can be blocked more reliably.

  DESCRIPTION OF SYMBOLS 1 ... Pachislot (game machine), 2 ... Exterior body, 2a ... Cabinet, 2b ... Front door, 3L ... Left reel, 3C ... Middle reel, 3R ... Right reel, 10 ... Liquid crystal display device, 11 ... Medal slot, 12 ... BET button, 14 ... Settlement button, 16 ... Start lever, 17L ... Left stop button 17C ... Middle stop button, 17R ... Right stop button, 18 ... Medal payout port, 31 ... Main control board, 41 ... Sub control board, 42 Sub-control board case 71 71 Main control circuit 81 Sub-control circuit 82 Sub-CPU 83 Sub-RAM 84 Rendering processor 85 Rendering RAM 86 Driver 91 Case body 94 Lower case member, 95 ... Upper case member, 96 ... Fixing boss, 97 ... Through hole, 98 ... Engagement edge, 101 ... upper surface plate, 101a ... first upper surface, 101b ... second upper surface, 102, 103, 104, 105 ... side plate, 107, 108, 113, 114 ... first vent, 107a, 108a, 113a, 114a ... through Pore, 111 ... Sealing lid, 111a ... Band fixing part, 112 ... Sealing band, 116A, 116B ... Sealing seal

Claims (7)

An exterior body composed of a cabinet and a front door attached to the cabinet so as to be openable and closable; and a main control board that is disposed inside the cabinet and constitutes a main control circuit that controls a main flow of the game. A sub-control board case used in a gaming machine, comprising a sub-control board disposed on the back side of the front door and constituting a sub-control circuit for controlling the execution of the performance,
A case body that is formed in a housing shape that accommodates the sub-control board, and is attached to the back side of the front door;
A plating part that is formed so as to cover the entire outer surface of the case body, and shields electromagnetic waves,
Sub-control board case having   The sub-control board case according to claim 1, wherein the case body has a plurality of vent holes.   The sub-control board case according to claim 1, wherein the case main body includes a lower case member to which the sub-control board is fixed and an upper case member to be attached to the lower case member.   The sub-control board case according to claim 3, wherein the lower case member is attached to the front door.   The sub-control board case according to claim 3 or 4, further comprising a sealing seal attached across the upper case member and the lower case member. An exterior body constituted by a cabinet and a front door attached to the cabinet so as to be opened and closed;
A main control board disposed in the cabinet and constituting a main control circuit for controlling the main flow of the game;
A sub control board disposed on the back side of the front door and constituting a sub control circuit for controlling the execution of the effect;
A sub control board case for accommodating the sub control board,
The sub-control board case is
A case body that is formed in a housing shape that accommodates the sub-control board, and is attached to the back side of the front door;
A plating part that is formed so as to cover the entire outer surface of the case body, and shields electromagnetic waves,
A gaming machine having. The gaming machine according to claim 6, wherein the sub control board case faces the main control board.

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