CN100542639C - Game machine - Google Patents

Abstract

A kind of marble slot machine (1) comprising: horn main body (2108), its each some be exposed to outside the front surface of rack of marble slot machine (1), be used for output sound forward; Led board (2106) and LED (2106a is to 2106d), the expose portion of its horn main body (2108) separates, and is installed on the rack of marble slot machine (1), is used for luminous; And horn hood (210), it surrounds the expose portion of horn main body (2108) and covers led board (2106) and LED (2106a is to 2106d).The front surface of LED (2106a is to 2106d) towards the rack that is roughly parallel to the marble slot machine.

Description

game console

field of invention

The present invention relates to gaming machines with horn covers for lighting.

Background technique

A recent slot machine with a stop button (so-called pachinko slot machine or so-called Pachi-Slot game machine in Japan) has a mechanically variable display device with a plurality of A reel for variably displaying various symbols on the front display window, or an electronic variable display device for displaying symbols on the reel on a screen. When the player performs a start operation, the control means controls the variable display means to rotate the reels, thereby variably displaying symbols. Then, the rotating reels are automatically sequentially stopped within a predetermined time or when the player performs a stop operation. At this time, if the symbols on the reels appearing on the display window become a specific combination (a winning symbol combination), game media such as coins or coins are paid to the player as an award for winning the game.

In the prior art model, the cabinet of the gaming machine has a door which can be opened and closed, and the front of the door is provided with a display screen section. Displays are provided on the upper left and upper right of the display screen portion, which have point-emitting light sources covered by lens covers. In the related art game machine, a stepped shape is formed around a display light source to scatter and reflect light from the light source, and the light scattered by the stepped shape is applied to the inner side of the front of the lens cover. According to the above structure, the player can feel that the entire surface of the lens cover is uniformly illuminated.

The above structure is disclosed in JP-A-11-156001 (see Fig. 1).

Contents of the invention

However, in the related art game machine, a plurality of light sources faces the lens cover. Therefore, there arises a problem that it is difficult to apply the game machine as it is to a structure in which the speaker is placed in the above-mentioned display and the speaker cover is used to emit light so that sound and lighting effects can be provided at the same position . That is, the light source is arranged around the horn, so that if the above-mentioned stepped shape is formed around the light source, the scattering of light from the light source is insufficient, making it difficult to uniformly emit light over the entire surface of the cover.

An object of the present invention is to provide a game machine in which a player feels as if the entire surface of the horn cover is emitting light by mounting a light source on the horn portion.

According to the present invention, the provided gaming machine includes: an internal lottery device (for example, the main control circuit 71) configured to execute the internal lottery of the game with a predetermined timing using a random number; a sound output device (for example, a speaker 21L, 21R), a portion exposed to the front surface of the game machine cabinet and configured to output sound toward the front; a light emitting device (for example, an LED board 2106), which is spaced from the exposed portion of the sound output device and mounted on the cabinet, emits light The device is configured to emit light; and a cover (e.g., speaker cover 210) surrounding the exposed portion of the sound output device and covering the light emitting device, wherein the light sources of the light emitting device (e.g., LEDs 2106a to 2106d) are oriented generally parallel to the gaming machine the front surface of the cabinet.

According to this structure, the light source of the light emitting device is placed at a side position with respect to the front of the game machine, so that the player does not feel that the light source is a point light source, but makes the player feel that the entire surface of the cover is light. Therefore, a high lighting effect can be provided.

In the game machine of the present invention, a concave portion (for example, concave portion 2110) with a stepped portion may be formed on the front surface of the cabinet, the sound output device may include a portion exposed to the bottom of the concave portion, and a light emitting device may be attached to the concave portion. A stepped portion (eg, stepped portion 21110d).

According to this structure, the light source of the light emitting device is placed in a side position with respect to the front of the game machine, and is also placed in the stepped portion located in the recess of the game machine cabinet. In this way, it is easier for the player to feel that the entire surface of the cover is illuminated than in the case where the light emitting device is mounted on the cover.

In the gaming machine of the present invention, a continuous rough surface (for example, rough surface 2107) may be formed on the inner surface of the cover.

According to this structure, the rough shape irregularly reflects and scatters the light emitted from the light emitting device, thereby making the player feel that the entire surface of the cover is emitting light. Therefore, a high lighting effect can be provided.

In the gaming machine of the present invention, the light emitting means may include light emitting diodes (for example, four LEDs 2106a to 2106d).

According to this structure, a light emitting diode is used as a light emitting device. In this way, the light source is small enough, for example, compared with the situation of using a lamp, it is difficult for the player to feel that it is a point of light, and the effect of energy saving can also be achieved.

Description of drawings

In the attached picture:

1 is a view showing a first embodiment of a gaming machine according to the present invention, and is a perspective view showing an appearance of a pinball slot machine as a gaming machine;

2 is a perspective view of the appearance of the pachinko slot machine with reels shown in the first embodiment of the present invention;

Fig. 3 is the perspective view of the outline of horn in the first embodiment of the present invention;

Fig. 4 is the perspective view of the back (inside) of the horn cover in the first embodiment of the present invention;

Fig. 5 shows the cabinet part of the speaker in the first embodiment of the present invention;

Fig. 6 explains the scattering of LED light in the first embodiment of the present invention;

Fig. 7 shows the structure of the liquid crystal display in the first embodiment of the present invention;

Fig. 8 shows the sequence of symbols drawn on the peripheral surface of the drum in the first embodiment of the present invention;

Fig. 9 shows rewards and payout coins corresponding to winning symbol combinations in the first embodiment of the present invention;

Fig. 10 shows the structural block diagram of main control circuit in the first embodiment of the present invention;

Fig. 11 shows a win stop control table used when a small bonus inside win is accepted in the first embodiment of the present invention;

Fig. 12 has shown in the first embodiment of the present invention when accepting the internal winning of the small reward, the stop control table is pressed and lost in the middle;

Fig. 13 shows the anti-press stop control table used when accepting a small reward internal win in the first embodiment of the present invention;

Fig. 14 is a structural block diagram of the auxiliary control circuit in the first embodiment of the present invention;

Fig. 15 is a perspective view of the back (inside) of the horn cover in the second embodiment of the present invention;

Fig. 16 shows the cabinet part of the speaker in the third embodiment of the present invention.

Detailed ways

Preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

first embodiment

FIG. 1 shows a first embodiment in which the game machine according to the present invention is applied to a pachinko slot game machine (so-called Pachi-Slot game machine in Japan). Here, the bet lamps 9a, 9b, and 9c, the WIN lamp 17, the payout display section 18, the point value display section 19, and the bonus game information display section 20 are not shown. FIG. 2 shows a state in which all screen displays are not displayed by the liquid crystal display in the display screen 5a, and the reel 3 located behind the liquid crystal screen is displayed by the display screen 5a (liquid crystal display).

This configuration will be described below. In FIGS. 1 and 2, a pachinko slot machine 1 as a game machine is provided for players to play using game media such as cards storing information on game points provided to players and coins, tokens, and tokens. game. In the following description, it is assumed that players use coins.

A panel display unit 2 a is formed in a substantially vertical plane in front of a cabinet 2 constituting the entire pachinko slot machine 1 , and speakers 21L and 21R are provided on the upper left and upper right of the cabinet 2 . Between the two horns 21L and 21R is provided a payout surface panel 23 for displaying winning symbol combinations, payout coin numbers, and the like.

The structure of the horn 21R is shown in FIGS. 3 to 6 . The structure of the horn 21L is also similar to that of the horn 21R, so the structure of the horn 21L is not shown and will not be discussed.

The speaker 21R has a speaker body 2108 embedded in the cabinet (included in the speakers 21L, 21R) and a transparent or translucent resin speaker cover 210 (shown in FIG. 3 ) for covering the speaker body 2108 . The horn cover 210 is formed with mounting protrusions 2101 to 2105 on its outer edge, and a rough surface 2107 (shown in FIG. 4 ) for scattering light is formed on its inner surface.

LED board 2106e is mounted to stepped portion 2110d of recess 2110 where a portion of horn body 2108 is exposed, and white LEDs 2106a to 2106d are placed on LED board 2106e (shown in FIG. 5 ). The surface of the stepped portion 2110d is substantially perpendicular to the front of the cabinet and the bottom of the recess 2110 . The outer periphery of the horn cover 210 roughly forms a triangle and one longitudinal side of the triangle is longer than one transverse side, so the LEDs 2106a to 2106d are placed on the longitudinal sides so as to space the four LEDs at a large distance to enhance the scattering effect of LED light. It is also considered to mount the LED board 2106e on the hypotenuse of the triangle; however, due to the difficulty of work and installation, the LED board 2106e is still mounted on the longitudinal side. In order to set the distance for the LED light to reach the front of the horn cover 210 to be larger than in the prior art, and to prevent the player from seeing the point light, the LEDs 2106a to 2106d are arranged not to face the front of the horn cover 210, that is, the LED light Does not go directly to the front of the horn cover 210 . Here, the direction of light from the LEDs 2106a to 2106d is not a single direction, but has an angle of tens of degrees; in this embodiment, the vertical direction of the LED board 2106e is the orientation of the LEDs 2106a to 2106d. Mounting holes 2101 a to 2105 e for matching the mounting protrusions 2101 to 2105 are formed on the outer periphery of the recessed portion 2110 . In addition, by performing metal plating or the like, the surface of the cabinet including the recess 2110 forms a mirror surface for reflecting light from the LEDs 2106a to 2106d on the recess 2110 to supplement the amount of light emitted by the speaker cover 210.

According to this structure, the light of the LEDs 2106a to 2106d is irregularly reflected and scattered by the outer periphery of the inner surface of the horn cover 210 and the rough surface 2107 formed by the front and surrounding of the horn, thereby making the player feel as if the entire surface of the horn cover 210 is glow (shown in Figure 6).

In FIG. 1, a liquid crystal display 5 having a rectangular 15-inch liquid crystal display 5a is provided in front of a panel display unit 2a. Images can be displayed on the entire surface of the display screen 5a. Betting lamps 9a, 9b and 9c, WIN lamp 17, payment display portion 18, score display portion 19 and bonus game information display portion 20 are displayed on the LCD screen under the control of main control circuit 71 (shown in FIG. 9 ). Both sides of 5a.

The configuration of the liquid crystal display 5 is shown in FIG. 7 . In Fig. 7, a transparent polypropylene plate 501 is located in front of the liquid crystal display 5, followed by stacking a rotary glass base 502, a metal seat frame 503, a liquid crystal 504, a liquid crystal holder 505, a scattering sheet 506, and a light guide plate in sequence 507, a rear bracket 508, and an antistatic sheet 509. The light guide plate 507 is a plate material that has been specially processed (including laser beam processing) to reflect light uniformly on the back of the plate (such as a polypropylene plate). The light guide plate 507 receives light from the cold cathode tubes 511a and 511b as light sources from the end face, reflects the light on the back side, and generates uniform surface light emission. The light guide plate 507 and the rear frame 508 are formed with vertical rectangular display windows (4L, 4C, and 4R in FIG. 2 ). The display windows 4L, 4C, and 4R can be observed through the liquid crystal display 505 . The display driver 512 is located on the upper part of the liquid crystal display 5 for making the cold cathode tubes 511a, 511b emit light. The antistatic sheet 509 prevents dust from accumulating on the portion facing the drum window (display window). The fluorescent tube 510 is used as a backlight for the display window. The display windows 4L, 4C, and 4R receive light from the fluorescent tube 510 , reflected light generated when the light of the fluorescent tube 510 is reflected on the surface of the drum 3 , and light of a drum backlight 513 provided for the drum 3 . These lights allow the player to see the liquid crystal 504 clearly. Reel backlights 513 each having three longitudinally placed light-emitting diodes (LEDs) are in one-to-one correspondence with the reels 3 for illuminating symbols on the reels 3 from behind the reels 3 .

The display windows 4L, 4C, and 4R are formed with a top line 8b, a middle line 8c, and a bottom line 8d in the horizontal direction, and formed with a lower cross line 8a and an upper cross line 8e obliquely as paylines. As paylines, 1, 3 or 5 lines are valid as the player operates the 1-bet switch 11, 2-bet switch 12, or max-bet switch 13 (described later) or inserts coins into the slot 22. Which paylines are active is indicated by the lighting of a bet light 9a, 9b or 9c (described below).

In the cabinet 2, three reels (a left reel 3L, an intermediate reel 3C, and a right reel 3R) each having a sequence of symbols containing symbols of different types placed on the peripheral surface are rotated in a row, and are rotated. Included in the symbol sequence display unit. The player can observe the symbols on the reels through the display windows 4L, 4C and 4R. Each drum rotates at a constant speed (eg, 80 revolutions per minute).

A 1-bet lamp 9a, a 2-bet lamp 9b, a maximum-bet lamp 9c, and a score display portion 19 are provided on the left of the display windows 4L, 4C, and 4R. The 1-bet lamp 9a, the 2-bet lamp 9b, or the maximum bet lamp 9c light up corresponding to the number of coins bet for playing a game, which will be referred to as a bet amount hereinafter.

In this embodiment, a game ends when all the reels come to a stop. When the number of bets is 1 and one payline is valid, the 1 bet light 9a is brightened; when the bet number is 2 and three paylines are valid, the 2 bet light 9b is brightened; and when the bet number is 3 and all 5 payouts When the line is valid, the maximum bet lamp 9c is brightened. The score display part 19 is made up of seven-segment LEDs and is used to display the number of coins deposited.

A WIN lamp 17 and a payment display section 18 are provided on the right of the display windows 4L, 4C, and 4R. When the winning game of BB or RB is completed, the WIN lamp 17 is turned on. When the inside win is accepted as BB or RB, the WIN lamp lights up with a predetermined probability. The payout display section 18 is composed of seven-segment LEDs for displaying the number of coins paid out upon completion of the winning game.

The bonus game information display section 20 is provided at the upper right corner of the display screen 5a of the panel display unit 2a. The bonus game information unit 20 is composed of seven-segment LEDs for displaying the number of RB games that can be played, and the number of possible RB winning games (described later).

A horizontal pedestal 10 is formed below the display screen 5a. The display screen 5a not only displays various lamps and various display units, but also displays various animation effects and "operation sequence". is needed to achieve the establishment of a winning game.

A coin slot 22 is provided at the right end of the pedestal 10 , and a 1-bet switch 11 , a 2-bet switch 12 and a maximum bet switch 13 are provided at the left end of the pedestal 10 . The 1-bet switch 11 enables the player to bet one coin in one button operation in the game. The 2-bet switch 12 allows the player to bet two coins in one button operation during the game. The maximum bet switch 13 enables the player to bet on the maximum amount of coins that can bet on a game. When the player operates any one of the bet switches, as described above, the corresponding payline becomes valid.

A C/P switch 14 for the player to switch between deposit and payout of play money by button operation is arranged on the left side of the front end of the pedestal portion 10 . When the C/P switch 14 is switched, coins are paid out from the opening 15 located at the lower portion of the front end and stored in the coin receiving tray 16 .

On the right side of the C/P switch 14, a starting lever 6 (included in the starting operating device) is installed so that it can rotate within a predetermined angle range. When the player operates the starting lever 6, the starting lever 6 rotates the drum to start The change display of symbols is performed on the display windows 4L, 4C, and 4R (starting the game).

Three stop buttons (left stop button 7L, middle stop button 7C, and right stop button 7R) included in the stop operation device as operation buttons for stopping the rotation of the three reels 3L, 3C, and 3R are arranged on the base portion 10. Front center, and be positioned at the bottom of display screen 5a.

In this embodiment, the stop operation performed by the player pressing the first stop button when all the reels are spinning is called "first stop operation", and the stop operation performed by the player next pressing the second stop button is called " second stop operation", and the stop operation performed by the player pressing the third stop button after the second stop operation is called "third stop operation".

Since the pachinko machine of this embodiment is provided with three stop buttons 7L, 7C and 7R, there are six different stop button operation sequences. Therefore, these operation sequences are distinguished from each other in the following manner: the left stop button 7L is simply referred to as "left", the middle stop button 7C is simply referred to as "middle", and the right stop button 7R is simply referred to as "right".

To indicate the stop sequence, the abbreviations of the stop buttons 7L, 7C, and 7R are listed from left to right in the stop operation sequence. For example, when the player operates the left stop button 7L as the first stop operation, operates the middle stop button 7C as the second stop operation, and operates the right stop button 7R as the third stop operation, the stop sequence can be expressed as "left, middle, right". ". In this example, six different stop sequences are available, namely "Left Center Right", "Left Left Center", "Center Left", "Center Right Left", "Right Left Center" and "Right Center Left".

Fig. 8 shows a sequence of symbols each consisting of 21 symbols displayed on each of the reels 3L, 3C and 3R. The numbers of the symbols are designated as "00" to "20", and these symbols are stored as a data table in a later-described ROM 32 (shown in FIG. 10 ).

Each is represented by symbols "blue 7 (symbol 91)", "red 7 (symbol 92)", "BAR (symbol 93)", "bell (symbol 94)", "plum (symbol 95)", "replay (symbol 95)", 96)" and "cherry (symbol 97)" are displayed on the reels 3L, 3C and 3R. Rotating the reels 3L, 3C and 3R moves the symbol sequence in the direction of the arrow in FIG. 4 .

FIG. 9 shows prizes and payout coins corresponding to winning symbol combinations in each game state.

In general, game states are classified according to whether a BB or RB internal win is accepted or whether a BB or RB operation is in progress. The types of rewards that have the possibility to accept internal wins are determined according to the odds lottery table; generally, there is an odds lottery table for each game state.

That is, the types of rewards with accepting inner win possibilities are the same for games in the same game state. However, the BB game state includes the general game state in the BB and the RB game state and includes states different in types of rewards with the possibility of accepting internal wins.

As shown in Figure 9, when "Blue 7-Blue 7-Blue 7" or "Red 7-Red 7-Red 7" are lined up along the effective line under the normal game state, the BB win game is completed, And pay the player 15 coins, and the game state of the next game will enter the BB game state.

When the combination of symbols along the effective line in the normal game state is "BAR-BAR-BAR" or the combination of symbols along the effective line in the normal game state in BB is "Replay-Replay-Replay" (JACIN) , the RB game state appears. At this point, the player is paid 15 coins.

The RB game state is a game state in which the player can win relatively easily if the predetermined symbol combination "replay-replay-replay" is completed when the player bets a coin. 15 coins reward.

The maximum number of games that a player can play (the number of playable RB games) in one RB game state is 12. The maximum number of game wins (possible number of RB game wins) that can be obtained in the RB game state is 8. That is to say, if the number of games reaches 12 or the number of game wins reaches 8, then the RB game state will be exited.

Exit the BB game state when the player performs the third stop operation in the predetermined game, for example, when the player performs the third stop operation in the last game in the third RB game state, the BB game state exits.

When the symbols along the valid line are combined as "replay-replay-replay" in the normal game state, the replay winning game is completed. When the replay winning game is completed, the same amount of coins as the number of coins that have been invested is automatically inserted, so the player can play the game without spending coins.

When the combination of symbols lined up along the active line in the normal game state or the normal game state in BB is "bell - bell - bell", the winning game for the small bell bonus is completed. When the inner win of the bell bonus is accepted, whether to complete the win game is determined by the watch number (described later) and the operation sequence of the stop buttons 7L, 7C and 7R by the player.

Specifically, only when the player operates the stop buttons 7L, 7C, and 7R in an operation sequence among the six operation sequences corresponding to the table numbers, the symbol combination "bell—bell—bell" is lined up along the effective line And complete the winning game with the small bell reward. If the player operates the stop buttons 7L, 7C, and 7R in any order other than the operation order corresponding to the table number, the bell bonus winning game cannot be completed.

In the general game state or the general game state in BB, it is possible to realize the completion of winning games such as "cherry small bonus", "BAR small bonus", "plum small bonus". The figure shows the number of coins paid out to the player.

In the general game state, when the inner win of the bell bonus is accepted, a time period (auxiliary time period or AT) is provided for notifying the player of the operation sequence to achieve the completion of the winning game. When the inner win of the bell reward is accepted within that time period, the player will definitely achieve the completion of the winning game.

There are two auxiliary time slot lottery conditions. The first lottery condition is when the internal win of the plum is accepted and the state is the normal game state. The second lottery condition is when the internal lottery is blank in the auxiliary period or the latent period (described later). When one of these two lottery conditions is satisfied, auxiliary period lottery processing (AT lottery processing) described later is executed.

The auxiliary period consists of a plurality of consecutive games, which are hereinafter referred to as sets. The number of games in one set and the number of sets to be generated are lotteryed in the auxiliary period lottery process. The number of groups that can be generated is called the number of groups. If the auxiliary time period lottery process is performed within the auxiliary time period or the latent time period and a prize is won in the lottery, the above-mentioned group numbers are added up.

Whether or not an auxiliary period is to be generated (activated) is determined in an auxiliary period activation process (AT activation process) described later. There is a possibility that an auxiliary time period (specifically, a time period in which the value of the group number counter (described later) in the general game state is 1 or more and A time period that is not an auxiliary time period) is hereinafter referred to as a latency period. A time period other than the auxiliary time period or the latent time period is hereinafter referred to as a normal time period.

The circuit structure shown in FIG. 10 includes: the above-mentioned main control circuit 71 (included in the internal lottery device) for controlling the game processing operation of the pachinko slot machine 1; peripheral devices electrically connected to the main control circuit 71 (to actuator); and an auxiliary control circuit 72 for controlling the horn LED 2106, the liquid crystal display 5, and the horns 21L and 21R based on a control command sent from the main control circuit 71.

The main control circuit 71 is constituted by the microcomputer 30 and the random number sampling circuit as main components on the circuit board. The microcomputer 30 includes a CPU 31 for performing control operations according to preset programs, and a ROM 32 and a RAM 33 as memories.

Connected with the CPU 31 are a clock pulse generation circuit 34, a frequency divider 35, a random number generator 36 and a sampling circuit 37 for generating a sampling random number for generating a reference clock pulse.

In order to sample random numbers, random number sampling may be performed in the microcomputer 30 (ie, the operating program of the CPU 31). In this case, the random number generator 36 and the sampling circuit 37 may be omitted, or they may be retained as backup devices for the random number sampling operation.

Stored in the ROM 32 of the microcomputer 30 is a lottery table for determining the probability of random number sampling performed each time the player operates the start lever 6 (start operation), and a table for determining the stop pattern of the reels in response to the operation of the stop button. The control table and various control commands to be sent to the auxiliary control circuit 72 are stopped.

These commands include a standby screen command, a start command, and the like. The auxiliary control circuit 72 does not input commands and information to the main control circuit 71 , and performs only one-way communication from the main control circuit 71 to the auxiliary control circuit 72 .

In the circuit shown in FIG. 10, the main actuators whose operations are controlled by control signals from the microcomputer 30 include: various indicator lights (1 bet lamp 9a, 2 bet lamp 9b, maximum bet lamp 9c and WIN lamp 17 ), various display devices (payment display device 18, point value display device 19 and bonus game information display device 20), as a game value payout device for keeping coins and paying a predetermined number according to the instructions of the coin storage bin drive circuit 51 A coin storage bin (including a driving part for paying out coins) 40 and stepping motors 49L, 49C and 49R for rotating the reels 3L, 3C and 3R.

In addition, a motor drive circuit 39 for driving and controlling the stepping motors 49L, 49C, and 49R, a hopper drive circuit 41 for driving and controlling the hopper 40, a single indicator for driving and controlling various indicator lights A lamp driving circuit 45 and a display device driving circuit 48 for driving and controlling various display devices are connected to the output part of the CPU 31 through the I/O port 38. Each of these drive circuits receives a control signal (such as a drive command) output from the CPU 31 and controls the operation of the corresponding actuator.

The main input signal generating means for generating input signals required by the microcomputer 30 to generate control commands include a start switch 6S, a 1-bet switch 11, a 2-bet switch 12, a maximum bet switch 13, a C/P switch 14, a game auxiliary switch 99. Coin sensor 22S, reel stop signal circuit 46 , reel position detection circuit 50 and payment completion signal circuit 51 . These components are also connected to the CPU 31 through the I/O port 38.

The start switch 6S detects the player's operation on the start lever 6 . The coin sensor 22S detects coins inserted into the coin slot 22 . When the player operates the respective buttons 7L, 7C, 7R, the reel stop signal circuit 46 generates a stop signal. The drum position detection circuit 50 receives pulse signals from the drum rotation sensors, and supplies the CPU 31 with signals for detecting the positions of the respective drums 3L, 3C, 3R. When the count of the coin detection device 40S (the number of coins paid out from the coin storage 40) reaches the specified number of coins, the payout completion signal circuit 51 generates a signal for detecting the completion of coin payout.

In the circuit shown in FIG. 10 , the random number generator 36 generates random numbers within a given value range, and after the player activates the trigger lever 6 , the sampling circuit 37 samples a random number at an appropriate moment. The CPU 31 determines an internal winning combination based on the random numbers thus sampled and the odds lottery table stored in the ROM 32. Therefore, the CPU 31 realizes winning game mode determining means for determining a winning game mode (ie, an internal winning combination) of a game by lottery of random numbers.

After the rotation of each reel 3L, 3C, and 3R is started, the number and count of drive pulses supplied to each stepping motor 49L, 49C, and 49R are written to a predetermined area of the RAM 33. The drums 3L, 3C, and 3R get a reset pulse for each revolution, and the reset pulse is input to the CPU 31 through the drum position detection circuit 50. The drive pulse count written in the RAM 33 is cleared to zero based on the thus obtained reset pulse. Accordingly, counts corresponding to the rotational positions of the reels 3L, 3C and 3R within one revolution are held in the RAM 33.

A symbol table is stored in the RAM 32 to associate the rotational positions of the reels 3L, 3C, and 3R and the symbols drawn on the outer peripheral surfaces of the reels with each other. In this symbol table, numbers and symbol codes are sequentially given every given rotational pitch of the respective drums 3L, 3C, and 3R according to the rotational position at which the reset pulse is generated (indicating symbols corresponding to these numbers one-to-one) Interrelated.

In addition, a winning symbol combination table is stored in the ROM 32. The winning symbol combination table lists the symbol combinations of the winning games associated with each other, the number of coins paid out to the winning games, and the winning game determination codes representing the winning games. This winning symbol combination table is referred to at the stop control timing of the left reel 3L, the middle reel 3C, and the right reel 3R and when a winning game is confirmed after all the reels stop spinning.

If the internal winning is accepted according to the lottery processing based on random number sampling (probability lottery processing), the CPU 31 then selects the result based on the operation signal sent from the reel stop signal circuit 46 when the player operates the stop buttons 7L, 7C, and 7R. The predetermined stop control table sends the stop control signals of the drums 3L, 3C and 3R to the motor drive circuit 39. The CPU 31 functions as stop control means that performs stop control of the drums 3L, 3C, and 3R.

When the player presses the stop buttons 7L, 7C and 7R, the stop control table is referred to to determine the stop position of the reels.

Specifically, when the player presses the stop buttons 7L, 7C, and 7R, a symbol located on the center line 8c on the reel corresponding to the operated stop button (specifically, a symbol whose center is located on the center line 8c) is detected. And the symbol closest to the centerline 8c position), compare the number (operation position) of the symbol with the stop control table, and determine the number of the symbol to stop on the centerline 8c position (stop position).

The stop control table used when accepting an inside win with a bell reward will now be discussed with reference to FIGS. 11-13.

The stop control table lists the stop operation positions and stop control positions of the drums 3L, 3C and 3R. The stop operation position represents a symbol located on the center line 8c when the player operates the stop buttons 7L, 7C, 7R corresponding to the reels 3L, 3C, 3R (specifically, the symbol whose center is located above the center line 8c and ends at the center line 8c). The symbol of the position close to the centerline 8c) number. The stop control position indicates the number of the symbol that stops and is displayed at the position of the center line 8c when the reel operated by the player actually stops. In this embodiment, the number of sliders is four at most. For example, when the number 12 "cherry" (symbol 97 in FIG. 8 ) reaches the position of the center line 8c when the right reel 3R rotates, if the player operates the stop button 7R, then the stop control of the right reel 3R is performed , stop the right reel 3R at the position of the center line 8c and display the number 8 "blue 7" (symbol 91 in FIG. 8 ).

Figure 11 shows the winning stop control table. This winning stop control table is used when the stop control of the reels is executed after accepting the internal win of the small bell bonus, so that "bell-bell-bell" is lined up along the effective line, and the winning of the small bell bonus is completed game.

In FIG. 11, the stop control position of the left rotary drum 3L is any one of numbers "03", "08", "11", "15" or "19". In the symbol sequence shown in FIG. 8, the symbol corresponding to these numbers is a bell (symbol 94).

In FIG. 11 , the stop control position of the intermediate drum 3C is any one of numbers "03", "07", "11", "15" or "19". In the symbol sequence shown in FIG. 8, the symbol corresponding to these numbers is a bell (symbol 94).

In FIG. 11, the stop control position of the right reel 3R is any one of numbers "01", "05", "10", "14" or "18". In the symbol sequence shown in FIG. 8, the symbol corresponding to these numbers is a bell (symbol 94).

If the winning stop control table shown in FIG. 11 is used for the stop control of the reels 3L, 3C and 3R in this way, then "bell-bell-bell" will stop and be displayed at the position of the center line 8c, that is, the display window 4L, Central to 4C and 4R, and complete winning games.

What Fig. 12 showed is to press (left, middle and right), middle press (middle, left and right) input stop control table. This table is used when the stop control of the reels is performed after accepting the inner win of the bell bonus so that "bell-bell-bell" does not line up along the effective line (the winning game of the bell bonus does not hold). The stop control positions corresponding to the stop operation positions of the left drum 3L and the middle drum 3C are the same as those shown in FIG. 11 .

In FIG. 12, the stop control position of the right reel 3R is any one of numbers "02", "06", "11", "15" or "19". In the symbol sequence shown in FIG. 8, symbols corresponding to these numbers are "replay (symbol 96)".

If the stop control tables shown in Figure 12 are pressed and pressed in the middle to be used for the stop control of the drums 3L, 3C and 3R, then "Bell-Bell" stops and is displayed in the center of the display windows 4L and 4C, and "Restart" Play" stops and is displayed in the center of the display window 4R, so that the winning game of the small bell reward becomes invalid.

What Fig. 13 shows is to press back (right middle left) input and stop control table. This table is used when the stop control of the reels is performed after accepting the inner win of the bell bonus so that "bell-bell-bell" does not line up along the effective line (the winning game of the bell bonus does not hold). The stop control positions corresponding to the stop operation positions of the middle drum 3C and the right drum 3R are the same as those shown in FIG. 11 .

In FIG. 13, the stop control position of the left rotary drum 3L is any one of numbers "04", "09", "12", "17" or "20". In the symbol sequence shown in FIG. 8, symbols corresponding to these numbers are "replay (symbol 96)".

If the anti-press input stop control table shown in FIG. 13 is thus used for the stop control of the reels 3L, 3C and 3R, then "replay" stops and is displayed in the center of the left display window 4L, and "bell-bell" stops and Displayed in the center of the display windows 4C and 4R, the winning game of the small bell bonus becomes invalid.

The number of sliding grids above represents the number of symbols that move before the reels stop after the player operates the stop button, and is represented by the operation position (the number of the symbol on the center line when the player operates the stop button) and the stop position ( The absolute value of the difference between the number of the symbol that stops on the center line when the drum actually stops.

The number of sliding grids may be referred to as "pull-in grids". In this embodiment, the maximum number of sliding grids is 4. For example, when the number 12 "cherry" (symbol 97 in FIG. 8 ) reaches the position of the center line 8c when the right reel 3R rotates, if the player operates the stop button 7R, the stop control of the right reel 3R is executed, The right reel 3R is stopped at the position of the center line 8c, and the number 08 "blue 7" is displayed (symbol 91 in FIG. 8).

On the other hand, in the stop mode indicating the completion of the winning game of the internal winning combination, the CPU 31 supplies a payout command signal to the hopper driving circuit 41 for paying out a predetermined number of coins from the hopper 40 to the player.

At this time, the coin detection device 40S counts the coins paid out from the coin storage 40 . When the count reaches the specified number of coins, the coin payment completion signal is input to the CPU 31, and then the CPU 31 stops driving the coin storage bin 40 through the coin storage bin drive circuit 41 and terminates the coin payment process.

FIG. 14 shows the structure of the auxiliary control circuit 72 . The auxiliary control circuit 72 performs display control of the liquid crystal display 5, sound output control of the speakers 21L and 21R, and lighting control of the speaker LED 2106 (LEDs 2106a to 2106d) based on control commands from the main control circuit 71. The auxiliary control circuit 72 is implemented on a circuit board separate from the circuit board realizing the main control circuit 71, and its components include a microcomputer (auxiliary microcomputer) 73 as a main component, an image control circuit as a display control device of the liquid crystal display 5 81. A sound source IC 78 for controlling sound output from the speakers 21L and 21R, a power amplifier 79, and a driver 2109 as a lighting control device for the speaker LED 2106.

The auxiliary microcomputer 73 includes an auxiliary CPU 74 for performing control operations in accordance with control commands sent from the main control circuit 71, a program ROM 75 and a work RAM 76 as storage means. A signal from the main control circuit 71 to the auxiliary microcomputer 73 is input through the IN port 77 , and a signal to the image control circuit 81 is output through the OUT port 80 .

The auxiliary control circuit 72 does not include a clock pulse generation circuit, a frequency divider, a random number generator, or a sampling circuit, but performs random number sampling in the operation program of the auxiliary CPU 74. When random number sampling is performed, generation of auxiliary time periods is determined.

The auxiliary CPU 74 includes an AT group number counter and an AT game number counter. The AT group number counter holds the group number. The AT game number counter holds information on the number of games played in an auxiliary time period.

The program ROM 75 stores control programs executed in the sub CPU 74. The work RAM 76 serves as a temporary storage device for assisting the CPU 74 in executing control programs.

Image control circuit 81 is made up of image control CPU 82, image control work RAM 83, image control program ROM 84, image ROM 86, video RAM 87 and image control IC 88. The image control CPU 82 determines the display content on the liquid crystal display 5 according to the image control program stored in the image control program ROM 84 based on the parameters set in the auxiliary microcomputer 73. Signals from the sub CPU 74 are input through the IN port 85.

The image control program ROM 84 stores image control programs and various selection tables related to the display on the liquid crystal display 5. The image control working RAM 83 is used as a temporary storage device for the image control CPU 82 to execute the image control program. The image control IC 88 forms an image corresponding to the display content determined by the image control CPU 82, and outputs the image to the liquid crystal display 5. The image ROM 86 stores dot matrix data for forming an image. The video RAM 87 is used as temporary storage means for images formed by the image control IC 88.

On the other hand, the auxiliary CPU 74 displays an image on the liquid crystal display 5 based on a command signal from the CPU 31.

Specifically, when a stop signal is input from the reel stop signal circuit 46 when the player operates the start lever 6 or the stop buttons 7L, 7C, 7R, the auxiliary CPU 74 sends the signal to the image control CPU 82, and displays it on the display of the liquid crystal display 5. An image is displayed on the display screen 5a.

In this embodiment, the CPU 31, the liquid crystal display 5, the auxiliary CPU 74, and the image control CPU 82 constitute a display device.

Thus, the pachinko slot machine 1 (included in the game machine) according to the first embodiment of the present invention includes a main control circuit 71 (included in the internal lottery device) for determining random numbers at predetermined timings. Internal lottery for playing games; speakers 21L and 21R (included in the sound output device), each having a portion exposed to the front of the pachinko slot machine 1 cabinet, for outputting sound forward; LED board 2106 and LED 2106a to 2106d (included in the light emitting device), spaced apart from the exposed portions of the horns 21L and 21R, and mounted on the cabinet of the pachinko machine 1 for emitting light; and the horn cover 210 (included in the cover), It surrounds the exposed portions of the horns 21L and 21R and covers the LED board 2106 and the LEDs 2106a to 2106d. The LEDs 2106a to 2106d (included in the light source of the light emitting device) are oriented approximately parallel to the front of the pinball slot machine 1 cabinet and are positioned sideways with respect to the front of the machine, and the LED light is reflected in the horn cover 210 and indirectly to reach the player. Therefore, the player feels as if the entire surface of the horn cover 210 is emitting light, and a high lighting effect can be provided. Compared with the lamp, the LED light source is small, so the player will not feel that it is a little light, and the effect of energy saving can also be obtained.

In the description of the first embodiment, the horn cover 210 has the rough surface 2107 formed on its inner surface (back surface). In the present invention, if the horn cover 210 forms continuous steps (including a step shape) on its inner surface, similar advantages can also be provided. Alternatively, if a diffusion sheet (including a prism sheet) is provided inside the horn cover 210, similar advantages may also be provided.

In the description of the first embodiment, the horn cover 210 has the rough surface 2107 formed on its inner surface (back surface). In addition, in the present invention, the horn cover 210 may also form a lens surface on the outside (surface). In this case, an effect of further scattering irregularly reflected light on the rough surface 2107 can be provided.

In the description of the first embodiment, the direction of the LEDs 2106a to 2106d is the vertical direction of the LED board 2106e. In the present invention, similar advantages can also be provided if the orientation of the LEDs 2106a to 2106d is any direction other than the vertical direction of the LED board 2106e.

Furthermore, in the description of the first embodiment, the LED board 2106e is attached to a part of the stepped portion 2110d of the concave portion 2110 of the horn main body 2108 embedded therein. In the present invention, if the LED board 2106e is mounted on the entire peripheral surface of the stepped portion 2110d, or if the stepped portion 2110d has a band deeper than the thickness of the LED board 2106e and LEDs 2106a to 2106d, and wider than the width of the LED board 2106e shaped slots, and mounting the LED board 2106e into the slots can provide similar advantages.

second embodiment

Except for the horn cover 210s, the pachinko slot machine according to the second embodiment of the present invention is the same as the pachinko slot machine according to the first embodiment, and thus the same elements as those previously described with reference to FIGS. 1 to 5 Components are denoted by the same reference numerals in FIG. 15 and will not be described again.

Fig. 15 shows a speaker cover (back side) in a second embodiment of the present invention. Here, the horn 21R will be discussed. The configuration of the horn 21L is also similar to that of the horn 21R, so the configuration of the horn 21L is not shown and discussed.

The speaker 21R has a speaker body 2108 (shown in FIG. 5 ) embedded in the cabinet and a transparent or translucent resin speaker cover 210s (shown in FIG. 15 ) for covering the speaker body 2108 . The horn cover 210s is formed with mounting protrusions 2101 to 2105 at its outer edge. A plurality of holes 2109 for passing sound waves generated by vibration of the vibrating plate of the horn body 2108 are formed in the front of the cover opposite to the exposed portion of the horn body 2108 . In addition, in addition to the plurality of holes 2109, the horn cover 210s is also formed with a rough surface (corresponding to 2107 of FIG. 4 ) for scattering light on its inner surface.

As in the first embodiment, in the cabinet, the LED board 2106e is installed on the stepped portion 2110d of the recess 2110 exposing a part of the speaker body 2108, and the white LEDs 2106a to 2106d are located on the LED board 2106e (shown in FIG. 5 ). Here, the surface of the stepped portion 2110d is substantially perpendicular to the front of the cabinet and the bottom of the recess 2110 . The outer periphery of the horn cover 210s roughly forms a triangle, and one longitudinal side of the triangle is longer than one transverse side, so the LEDs 2106a to 2106d are arranged on the longitudinal sides to space the four LEDs at a large distance, enhancing the scattering effect of LED light . Mounting the LED board 2106e on the hypotenuse of the triangle is also contemplated. However, the LED boards are still mounted on the longitudinal sides in view of the difficulty of work and installation. In order to set the distance for the LED light to reach the horn cover 210s to be larger than in the prior art, and to prevent the player from seeing the point light, the LEDs 2106a to 2106d are arranged not to face the front of the horn cover 210s, i.e., the LED light does not Direct access to the front of the horn cover 210s. Here, the direction of light from the LEDs 2106a to 2106d is not a single direction, but has an angle of tens of degrees; in this embodiment, the vertical direction of the LED board 2106e is the direction of the LEDs 2106a to 2106d. Mounting holes 2101 a to 2105 e for matching the mounting protrusions 2101 to 2105 are formed on the outer periphery of the recessed portion 2110 . In addition, a mirror surface is formed on the surface of the cabinet portion including the recess 2110 by metal plating or the like, for reflecting light from the LEDs 2106a to 2106d on the recess 2110 to supplement the amount of light emitted by the speaker cover 210s.

According to this structure, light is irregularly reflected by the outer edge of the inner surface of the horn cover 210s and the rough surface 2107 on the front, so that the light of the LEDs 2106a to 2106d is scattered and passes through the horn cover 210s, whereby the player feels as if the speaker The entire surface of the cover 210s is glowing. In particular, a rough surface 2107 is also formed on the front part of the cover facing the exposed part of the horn main body 2108, thereby further enhancing the scattering effect of LED light.

In the description of the second embodiment, the horn cover 210s has the rough surface 2107 formed on its inner surface (back surface). In the present invention, similar advantages can also be provided if the horn cover 210s is formed with continuous steps (including a step shape) on its inner surface. Alternatively, if a diffusion sheet (including a prism sheet) is provided inside the horn cover 210s, similar advantages can also be provided.

In the description of the second embodiment, the horn cover 210s has the rough surface 2107 formed on its inner surface (back surface). In addition, in the present invention, the horn cover 210s may also form a lens surface on the outside (surface). In this case, an effect of further scattering irregularly reflected light on the rough surface 2107 can be provided.

In the description of the second embodiment, the orientation of the LEDs 2106a to 2106d is the vertical direction of the LED board 2106e. In the present invention, similar advantages can also be provided if the orientation of the LEDs 2106a to 2106d is any direction other than the vertical direction of the LED board 2106e.

Furthermore, in the description of the second embodiment, the LED board 2106e is attached to a part of the stepped portion 2110d of the concave portion 2110 of the horn main body 2108 embedded therein. In the present invention, if the LED board 2106e is mounted on the entire peripheral surface of the stepped portion 2110d, or if the stepped portion 2110d is formed with a thickness deeper than the LED board 2106e and LEDs 2106a to 2106d, and wider than the width of the LED board 2106e. Ribbon slots, into which LED boards 2106e are mounted, also provide similar advantages.

third embodiment

The pinball slot machine according to the third embodiment of the present invention is the same as the pinball slot machine according to the first embodiment, except for the bottom 2110e of the recess in the cabinet exposing a part of the horn body, and thus is identical to those previously referenced figures. The same elements as described in 1 to 6 are denoted by the same reference numerals in Fig. 16 and will not be described again.

Fig. 16 shows the vicinity of the horn on one side of the cabinet in the third embodiment of the present invention. Here, the horn 21R will be discussed. The configuration of the horn 21L is also similar to that of the horn 21R, so the configuration of the horn 21L is not shown and described.

As in the first embodiment, the speaker 21R has a speaker body 2108 embedded in the cabinet and a transparent or translucent resin speaker cover 210 (shown in FIG. 4 ) for covering the speaker body 2108 . The horn cover 210 is formed with mounting protrusions 2101 to 2105 at its outer edge. In addition, the horn cover 210 is formed with a rough surface 2107 on the inner surface for scattering light (shown in FIG. 6 ).

As in the first embodiment, in the cabinet, the LED board 2106e is installed on the stepped portion 2110d of the concave portion (corresponding to 2110 in FIG. 5 ) exposing a part of the speaker body 2108, and the white LEDs 2106a to 2106d are located on the LED board 2106e. Here, the surface of the stepped portion 2110d is substantially perpendicular to the front of the cabinet and the bottom 2110e of the recess. The outer periphery of the horn cover 210s roughly forms a triangle, and one longitudinal side of the triangle is longer than one transverse side, so the LEDs 2106a to 2106d are arranged on the longitudinal sides to space the four LEDs at a large distance, enhancing the scattering effect of LED light . Mounting the LED board 2106e on the hypotenuse of the triangle is also contemplated. However, the LED boards are still mounted on the longitudinal sides in view of the difficulty of work and installation. In order to set the distance for the LED light to reach the horn cover 210 to be larger than in the prior art, and to prevent the player from seeing the point light, the LEDs 2106a to 2106d are arranged not to face the front of the horn cover 210, i.e., the LED light does not Directly to the front of the horn cover 210 . Here, the direction of light from the LEDs 2106a to 2106d is not a single direction, but has an angle of tens of degrees; in this embodiment, the vertical direction of the LED board 2106e is the direction of the LEDs 2106a to 2106d. Mounting holes 2101 a to 2105 e for matching the mounting protrusions 2101 to 2105 are formed on the outer periphery of the recessed portion 2110 . In addition, a mirror surface is formed on the surface of the cabinet portion including the recess 2110 by metal plating or the like, for reflecting light from the LEDs 2106a to 2106d on the recess 2110 to supplement the amount of light emitted by the speaker cover 210. Here, the four-cone concave portion is formed with a rough surface (consisting of a continuous four-cone shape) at its bottom 2110e.

According to this structure, the light is absorbed by the outer edge of the inner surface of the speaker cover 210, the rough surface 2107 (shown in FIG. 6 ) on the front of the speaker and around the speaker, and the rough surface on the bottom 2110 e of the recess in the front of the cabinet (shown in FIG. 16 ). Irregularly reflected so that the light of the LEDs 2106a to 2106d is scattered and passes through the horn cover 210, whereby the player feels as if the entire surface of the horn cover 210 is emitting light. In particular, the bottom 2110e of the concave portion in front of the cabinet is also formed with a rough surface, thereby further enhancing the scattering effect of the LED light.

In the description of the third embodiment, the four-flute cone continuously forms the four-flute cone shape at the bottom 2110e of the concave portion in front of the cabinet. In the present invention, similar advantages can also be provided if a cone, a three-fluted cone, a hemispherical or stepped shape, etc. are used. Also, similar advantages can be provided if different shapes are mixed or irregular shapes are used.

In the description of the third embodiment, the horn cover 210 has a rough surface 2107 formed on its inner surface (back surface). In the present invention, if the horn cover 210 forms continuous steps (including a step shape) on its inner surface, similar advantages can also be provided. Alternatively, if a diffusion sheet (including a prism sheet) is provided inside the horn cover 210, similar advantages may also be provided.

In the description of the third embodiment, the horn cover 210 has a rough surface 2107 formed on its inner surface (back surface). In addition, in the present invention, the horn cover 210 may form a lens surface on its outer surface (surface). In this case, an effect of further scattering irregularly reflected light on the rough surface 2107 can be provided.

In the description of the third embodiment, the orientation of the LEDs 2106a to 2106d is the vertical direction of the LED board 2106e. In the present invention, similar advantages can also be provided if the orientation of the LEDs 2106a to 2106d is any direction other than the vertical direction of the LED board 2106e.

In the description of the third embodiment, the LED board 2106e is attached to a part of the stepped portion 2110d fitted into the recess of the horn main body 2108. In the present invention, if the LED board 2106e is mounted on the entire peripheral surface of the stepped portion 2110d, or if the stepped portion 2110d has a band deeper than the thickness of the LED board 2106e and LEDs 2106a to 2106d, and wider than the width of the LED board 2106e shaped groove, and installing the LED board 2106e into the groove can also provide similar advantages.

Similar advantages can also be provided if the first to third embodiments are used in combination. Furthermore, in the description of the first to third embodiments, the present invention is applied to a pachinko slot machine. However, similar advantages can be provided if the present invention is applied to any game machine other than slot machines, such as a pinball machine.

As described above, according to the present invention, the position of the light source of the light emitting device (including LED) is changed from the front to the side relative to the front of the game machine, and the light from the light source reaches the player indirectly, whereby the player feels the entire cover (including the horn cover) The surface is glowing.

According to the present invention, the light source of the light emitting device is located in the stepped portion 2110d of the recessed portion of the game machine cabinet, thereby preventing the player from feeling that the light source of the light emitting device located on the side of the stepped portion is a point light.

According to the present invention, the rough shape formed on the inner surface of the cover irregularly reflects and scatters the light emitted from the light emitting device, thereby making the player feel that the entire surface of the cover is luminous.

According to the present invention, LEDs are used as light emitting means, so that the direction and size of the light source can prevent the player from feeling that it is a spot light.

Although only some exemplary embodiments of the present invention have been described in detail above, those skilled in the art can easily understand that these can be modified without departing from the novel features and advantages of the present invention. Exemplary embodiments undergo various modifications. Accordingly, all such modifications are included within the scope of this invention.

In the above description, the pachinko slot machine having a plurality of stop buttons has been described. However, the present invention can be applied to other game devices not equipped with a stop button, which is configured to start rotation of the reels by activating the start lever or the start button, and automatically stop the rotation of the reels after a predetermined time elapses.

Claims (6)

1. A gaming machine, comprising: Cabinet; The internal lottery device is used to use the random number to perform the internal lottery of the game according to the predetermined timing; A sound output device, a part of which is exposed on the front surface of the game machine cabinet, and is used to output sound forward; a light emitting device spaced from the exposed portion of the sound output device and mounted on the cabinet, the light emitting device for emitting light; and a cover for enclosing the exposed portion of the sound output device and covering the light emitting device, Wherein, the orientation of the light source of the light emitting device is substantially parallel to the front surface of the game machine cabinet. 2. The game machine according to claim 1, further comprising a concave portion having a stepped portion and located on the front surface of the cabinet, Wherein, the sound output device includes a portion exposed to the bottom of the recess, and The light emitting device is mounted on the stepped portion of the recess. 3. The gaming machine according to claim 1, wherein said cover includes a continuous roughness formed on an inner surface thereof. 4. The gaming machine according to claim 1, wherein the light emitting device comprises a light emitting diode. 5. The gaming machine of claim 1, further comprising: Variable display device for variably displaying multiple symbols: stop control means for stopping the variable display of said variable display means in accordance with the result of an internal lottery performed by said internal lottery means; and game medium payment means for paying a game medium to the player if the stop state of the variable display means stopped by said stop control means corresponds to a predetermined stop state. 6. The gaming machine according to claim 5 , further comprising a plurality of operating devices that the player uses to stop the variable display, Wherein, the stop control means is configured to stop the variable display based on the internal lottery performed by the internal lottery means and the stop operation of the operating means, respectively.

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