AU2004200817B2 - Gaming Machine - Google Patents

Gaming Machine Download PDF

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AU2004200817B2
AU2004200817B2 AU2004200817A AU2004200817A AU2004200817B2 AU 2004200817 B2 AU2004200817 B2 AU 2004200817B2 AU 2004200817 A AU2004200817 A AU 2004200817A AU 2004200817 A AU2004200817 A AU 2004200817A AU 2004200817 B2 AU2004200817 B2 AU 2004200817B2
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means
symbols
display
gaming machine
symbol
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AU2004200817A1 (en
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Hideaki Imura
Shingo Omomo
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Universal Entertainment Corp
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Universal Entertainment Corp
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Abstract

GAMING MACHINE Abstract of the Disclosure 5 With liquid crystal provided in front of reels, a gaming machine includes reels (3) having symbol placement faces shaped like curved surfaces on which a plurality of symbols are placed for variably displaying of a plurality of symbol rows each made up of the plurality of symbols, liquid crystal (504) being provided in front of and opposed to the reels (3) for displaying the symbols through a flat symbol transmission face and also 10 displaying an image concerning game play, reel backlights (513) for illuminating the symbols, and reel side reflectors (320) being provided on a side of the reels (3) for covering an area sandwiched between the symbol placement face and the symbol transmission face on a face on the side of the reels (3) for assisting image display of the liquid crystal (504).

Description

S&F Ref: 668671 AUSTRALIA PATENTS ACT 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT Name and Aruze Corp. Address 3-1-25 Ariake, Koto-ku of Applicant: Tokyo Japan Actual Hideaki Imura Inventor(s): Shingo Omomo Address for Spruson & Ferguson Service: St Martins Tower Level 35 31 Market Street Sydney NSW 2000 (CCN 3710000177) Invention Title: Gaming Machine The following statement is a full description of this invention, including the best method of performing it known to me/us:- GAMING MACHINE BACKGROUND OF THE INVENTION 5 Field of the Invention [00011 The present invention relates to a gaming machine including a liquid crystal display. Description of the Related Art 10 [0002] A recent slot machine including stop buttons or a so-called pinball slot machine (a so-called "Pachi-Slot machine" in Japan) has a variable display means provided with a plurality of rotatable reels for variably displaying symbols in a front 15 display window. As the player performs start operation, control means controls the variable display means for rotating the reels, thereby producing variable display of symbols. Then, the rotating reels are stopped in order automatically in a given time or as the player performs stop operation. At this time, if the 20 symbols on the reels appearing in the display window become a specific combination (winning symbol combination), game medium such as medals and coins are paid out to the player as the prize of the win. [0003] 25 The currently predominant pinball slot machine has a - 1 display window for the player to visually check symbols on reels on the front of the machine and a liquid crystal display for displaying an effect image concerning game play on a side of, below, or above the display window (namely, a position not 5 overlapping the display window from the viewpoint of the player). Such a liquid crystal display generally is provided with a backlight for the liquid crystal display implemented as a cold-cathode tube for producing sharp display. [0004] 10 FIG. 13 is a perspective view of the front to show a part of a pinball slot machine in a related art. In FIG. 13, display windows 9004 (9004L, 9004C, and 9004R) are provided in front of a plurality of reels 9003 (9003L, 9003C, and 9003R) on which a plurality of symbols are arranged, so that the player visually 15 checks the symbols placed on the reels 9003 through the display windows 9004. BET lamps 9009 for indicating which of pay lines in the horizontal direction (top line, center line, and bottom line) and pay lines in slanting directions (cross down line and cross up line) is activated are provided on one side of the display 20 window 9004. A medal insertion slot 9022 for the player to insert a medal, BET switches 9011, 9012, and 9013 operated by the player to make the pay line activated, and a display 9005 for displaying an image concerning game play are provided below the display windows 9004. 25 [0005] -2- C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -3 FIG. 14 is a perspective view of a backside of the door to show a part of the gaming machine in the related art. In FIG. 14, a control circuit board 9530 is attached through a board support member 9520 to one side of and below the 5 display windows 9004 (9004L, 9004C, and 9004R) . The control circuit board 9530 is provided for performing display control of the BET lamps 9009 and the display 9005 and any other control; various circuits 9531 to 9539 are installed on the control circuit board 9530. 10 [0006] Generally, reel backlights implemented as white light emitting diodes are provided for illuminating the symbols on the reels from behind to project the symbols onto the display windows. 15 [0007] The above structure is disclosed in JP-A-2001-353255 (see page 2 and FIG. 2). [0008] It is desired to address or ameliorate one or more 20 shortcoming or disadvantages of the prior art, or at least provide a useful alternative. SUMMARY OF THE INVENTION [0009] 25 According to one aspect of the invention, there is provided a gaming machine comprising: variable display means configured to variably display a plurality of symbol rows on which a plurality of symbols are placed; 30 image display means being provided in front of and opposed to the variable display means and configured to C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -4 display symbols through a flat symbol transmission face and to display an image concerning a game, the image display means including a liquid crystal display for displaying the image concerning the game and a light guide plate located 5 behind the liquid crystal display and in front of the variable display device, the light guide plate having at least one opening through which the symbols on the variable display device are displayed, the light guide plate providing backlighting to the liquid crystal display in 10 regions outside of the at least one opening; symbol illumination means configured to illuminate the symbols; and image display assistance means being provided lateral to an area between the variable display means and the image 15 display means and configured to assist image display of the image display means, wherein the symbol illumination device comprises a rear illumination lamp configured to illuminate the symbols from behind the symbols and to provide backlighting to the liquid 20 crystal display in the region within the at least one opening of the light guide plate, and wherein the image display assistance device reflects light emitted from the rear illumination lamp to assist in providing backlighting to the liquid crystal display in the 25 region within the at least one opening of the light guide plate. BRIEF DESCRIPTION OF THE DRAWINGS Preferred embodiments of the present invention are 30 hereafter described, by way of non-limiting example only, with reference to the accompanying drawings, in which: C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -5 FIG. 1 is a drawing to show an embodiment of a gaming machine and is a perspective view to show the appearance of a pinball slot machine as gaming machine; FIG. 2 is a perspective view to show the appearance of 5 the pinball slot machine with reels displayed in the embodiment of the gaming machine; FIG. 3 is a perspective view to show reels, a reel case, and reel side reflectors attached to the reel case in the first embodiment of the gaming machine; 10 FIG. 4 is a drawing to show symbol rows drawn on the outer peripheral surfaces of the reels in the first embodiment of the gaming machine; FIG. 5 is a drawing to show a reel, a liquid crystal display in front of the reel, and the reel side reflector in 15 the first embodiment of the gaming machine; FIG. 6 is a drawing to show the reel and the liquid crystal display in front of the reel in the first embodiment of the gaming machine; FIG. 7 is a schematic representation to show each 20 symbol placement face of each reel, each symbol transmission face of liquid crystal, and each image display assistance area on a vertical face on the reel side in the first embodiment of the gaming machine; FIG. 8 is a drawing to show the positional 25 relationships among the liquid crystal, the reels, the reel side reflectors, reel backlights, and a fluorescent lamp in the first embodiment of the gaming machine; FIG. 9 is a drawing to show the back of a door in the first embodiment of the gaming machine; C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -6 FIG. 10 is a block diagram to show the configuration of a main control circuit in the first embodiment of the gaming machine; FIG. 11 is a block diagram to show the configuration of 5 a sub-control circuit in the first embodiment of the gaming machine; FIG. 12 is a drawing to show side illumination lights in a second embodiment of a gaming machine; FIG. 13 is a perspective view of the front to show a 10 part of a gaming machine in a related art; FIG. 14 is a perspective view of the door back to show a part of the gaming machine in the related art; and FIG. 15 is a schematic representation to describe the effect of a triangular region if liquid crystal is simply 15 provided in front of a reel for the gaming machine in the related art. DETAILED DESCRIPTION [0010] 20 With respect to the related art gaming machines illustrated in Fig 13 and Fig 14, if an attempt is made to dispose the liquid crystal display so that a part of the liquid crystal display overlaps the display window 9004, the reel 9003 representing the symbols exists just behind the 25 display window 9004 and no liquid crystal backlight can be provided in the portion of the liquid crystal display corresponding to the display window 9004 and thus a reel backlight for illuminating the symbols on the reel 9003 from behind is used supplementally as a liquid crystal backlight. 30 [0011] C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -7 However, since the reel 9003 is circular in cross section, a black triangular region 9321 is produced between the reel 9003 and liquid crystal 9504 due to the fact that the inside of the machine is dark as shown in FIG. 15. The 5 board support member 9520 on the side of the back of the display windows 9004 is white, but the width of the board support member 9520 can be taken only as a small width. If the width of the board support member 9520 is made large, a problem of breakage or failure occurs because of 10 interference between the control circuit board 9530 and the member in the machine (for example, the reel 9003) when a door is opened or closed. Therefore, the black triangular region 9321 is inevitably produced, also as shown in FIG. 13. This problem is not involved in the gaming machine in 15 the related art with no liquid crystal provided on the front of the display window 9004; however, if an attempt is made to provide liquid crystal 9504 on the front of the display window 9004, there occurs a problem that the background of the liquid crystal 9504 becomes black in the presence of the 20 black triangular region 9321, and the player can scarcely perceive color development of the liquid crystal 9504 with the black background. [0012] Further, as shown in FIG. 15, there occurs a problem 25 that in an area 9541 or 9543 distant from the reel 9003 on the liquid crystal 9504, color output relatively weakens as compared with that in a nearest part 9542 of the liquid crystal 9504 to the reel 9003. [00131 30 If the same color is developed in all area of the liquid crystal 9504, it is also clarified that if the black C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -8 shadow of the black triangular region 9321 is cast over the liquid crystal 9504, the liquid crystal area over which the black shadow is cast produces relatively dark display. [0014] 5 According to the configuration of one embodiment of the invention, in the area formed as the reel 3 is circular in cross section, namely, the area (image display assistance area) sandwiched between the symbol placement face and the symbol transmission face on the face on the side of the reel 10 3, display of the image is assisted with the image display assistance means as the background of the image display means, so that the player perceives color development in the area on the image display means with the image display assistance means as the background, the color development 15 effect of the image can be enhanced with good energy efficiency, and the player can clearly recognize the image and enjoy playing a game. (0015] In the gaming machine of one embodiment of the 20 invention, the symbol illumination means may include a rear illumination lamp (for example, reel backlight 513) for illuminating the symbols from behind the symbols and the image display assistance means may reflect light emitted from the rear illumination lamp. 25 [0016] According to the configuration, not only the light emitted from behind the symbols to illuminate the symbols is applied to the image through the symbol row, but also the light leaked in the lateral direction is reflected on the 30 side of the symbol row for illuminating the display area in front of the variable display means, so that full use of the C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -9 light from the rear illumination lamp is made and the illumination effect can be enhanced with good energy efficiency. [0017] 5 In the gaming machine of an embodiment of the invention, the symbol illumination means may include a front illumination lamp (for example, fluorescent lamp 510) for illuminating the symbols from a slanting direction of the front of the symbols and the image display assistance means 10 may reflect light emitted from the front illumination lamp. [0018] According to the configuration, not only the light emitted from the slanting direction of the front of the symbols to illuminate the symbols is reflected on the symbol 15 row for illuminating the image, but also the light leaked in the lateral direction is reflected on the side of the symbol row for illuminating the display area in front of the variable display means, so that full use of the light from the front illumination lamp is made and the illumination 20 effect can be enhanced with good energy efficiency. [0019] In the gaming machine of one embodiment of the invention, the image display assistance means may be attached to a housing (for example, reel case 310) for 25 housing the variable display means. [0020] According to the configuration, the image display assistance means is attached to the symbol row side, so that when the door is opened or closed, the image display 30 assistance means does not becomes a hindrance and the door can be opened or closed without a hitch as compared with the C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 - 10 case where the image display assistance means is attached to the door of the machine. The image display assistance means can also be disposed tightly along a triangular region and energy efficiency can be improved. 5 [0021] In the gaming machine of one embodiment of the invention, the image display assistance means may be a white plate. [0022] 10 According to the configuration, for example, a mold member can be used as the white place, so that the illumination effect can be enhanced at a low cost. White enables the player to well perceive color development. [0023] 15 In the gaming machine of one embodiment of the invention, the image display assistance means may be a mirror plate. [0024] According to the configuration, a mirror plate has a 20 good reflection efficiency, so that the illumination effect can be enhanced. [0025] - [0028] ARE INTENTIONALLY LEFT BLANK [0029] First embodiment 25 FIG. 1 shows a first embodiment applying a gaming machine according to the invention to a pinball slot machine (a so-called "Pachi-Slot machine" in Japan) . FIG. 2 shows a state that a full screen display is not displayed by a liquid crystal display in display screen 5a and a member 30 such as reels 3 disposed at the back of the liquid crystal are displayed through the display screen 5a.

C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 -- 11 [0030] A pinball slot machine 1 as a gaming machine is provided for the player to play a game using game medium such as a card storing information of the game play value 5 given to the player as well as coins, medals and tokens. In the description that follows, it is assumed that the player uses medals. [0031] In FIGS. 1 and 2, a panel display unit 2a disposed to 10 form a substantially vertical plane is provided at the front of a cabinet 2 forming the whole of the pinball slot machine 1, and a liquid crystal display 5 (described later) having a rectangular 15-inch liquid crystal display screen 5a is provided on the front of the panel display unit 2a. An image 15 can be displayed over the full face of the display screen 5a.

[00321 In the cabinet 2b, three reels (left reel 3L, center reel 3C, and right reel 3R) each with a symbol row including different types of symbols placed on the outer peripheral surface are 5 provided in a row. The player can observe the symbols on the reels through the display windows 4L, 4C, and 4R. Each reel rotates at a constant speed (for example, 80 revolutions per minute). [0033] 10 The three reels 3L, 3C, and 3R are housed in a reel case 310, as shown in FIG. 3. Reel side reflectors 320L and 320R each made of a while plate molded are attached to the sides of the reel case 310 so that they are positioned on the sides of the reel row 3L, 3C, 3R. The reels 3L, 3C, and 3R have annular reel 15 belts 340L, 340C, and 340R attached to annular reel wheels 330L, 330C, and 330R attached to brackets 311L, 311C, and 311R for rotation. [0034] FIG. 4 shows the reel belts 340L, 340C, and 340R on which 20 symbol rows each made up of 21 symbols are printed. The symbols are given code numbers in a range from "00" to "20" and are stored in ROM 32 (shown in FIG. 10) described later as a data table. The symbol rows each made up of symbols of "blue 7 (symbol 91), " "red 7 (symbol 92), " "BAR (symbol 93), " "bell (symbol 94), " "plum 25 (symbol 95), " "Replay (symbol 96) ," and "cherry (symbol 97) " are - 12 represented on the reel belts 340L, 340C, and 340R. The symbol rows on the reel belts 340L, 340C, and 340R are rotated so as to move in the arrow direction in FIG. 4 for variably displaying means of the symbol rows. 5 [0035] The configuration of the liquid crystal display 5 is as shown in FIG. 5. FIG. 6 shows a state in which the reel side reflectors 320 are removed. In FIGS. 5 and 6, a transparent acrylic plate 501 is provided on the front of the liquid crystal 10 display 5, followed by a reel glass base 502, a bezel metal frame 503, liquid crystal 504, a liquid crystal holder 505, a diffuser sheet 506, a light guide plate 507, a rear holder 508, and an antistatic sheet 509 which are stacked in order. A display driver 512 is disposed in the upper part of the liquid crystal 15 display 5 for driving the liquid crystal 504 to display an image on the liquid crystal 504. The antistatic sheet 509 prevents dusts from being deposited on the portion corresponding to the reel window (display window). [0036] 20 The light guide plate 507 is.a plate material subjected to special treatment (including laser beam machining) to uniformly reflect light on the back of a plate member such as an acrylic plate. The light guide plate 507 receives light of cold-cathode tube 511a, 511b used as liquid crystal backlight 25 from the end face, reflects the light on the rear, and produces - 13 uniform surface light emission. The light guide plate 507 and the rear holder 508 are formed with vertically oriented rectangular display windows (4L, 4C, and 4R in FIG. 2). The display windows 4L, 4C, and 4R are visually observed through the 5 liquid crystal display 5. Specifically, the symbols on the reels 3 are seen through the liquid crystal 504 within the frames of the display windows 4L, 4C, and 4R. [0037] The cold-cathode tubes 511a and 511b are used as liquid 10 crystal backlights for areas outside the frames of the display windows 4L, 4C, and 4R through the light guide plate 507. In contrast, three longitudinally arranged reel backlights 513 provided for each reel 3 are used as liquid crystal backlights for areas within the frames of the display windows 4L, 4C, and 15 4R. Two fluorescent lamps 510 disposed above and below the row of the display windows 4L, 4C, and 4R are also used as liquid crystal backlights for areas within the frames of the display windows 4L, 4C, and 4R, as also shown in FIG. 9. Further, the reel side reflectors 320 disposed on the sides of the reels 3 20 reflect light emitted from the reel backlights 513 and light emitted from the fluorescent lamps 510, and the light reflected by the reel side reflectors 320 is also applied to the liquid crystal in the areas within the frames of the display windows 4L, 4C, and 4R for illuminating the area. Particularly, each 25 reel side reflector 320 is disposed along the triangular region - 14 in the gap between the reel 3 and the liquid crystal display 5. The length of the side of the reel side reflector 320 opposed to the liquid crystal display 5 is longer than the longitudinal length of the display window 4L, 4C, 4R and is longer than the 5 spacing between the two fluorescent lamps 510. [00381 FIG. 7 shows an image display assistance area P6 covered with the reel side reflector 320. In FIG. 7, P1 indicates a symbol placement face of the front of the reel 3 on which the symbols 10 are placed, P2 indicates a symbol transmission face, corresponding to the display window 4, for allowing the symbols to pass through in the liquid crystal 504, P3 indicates a vertical face at the position where the reel side reflector 320 is provided on the side of the reel 3, P4 indicates an upper parallel face 15 containing the upper side of the symbol transmission face P2, and P5 indicates a lower parallel face containing the lower side of the symbol transmission face P2. The reel side reflector 320 in FIG. 3 covers the area P6 sandwiched between the symbol placement face Pl and the symbol transmission face P2 on the 20 vertical face P3 on the side of the reel 3 (image display assistance area). More particularly, the reel side reflector 320 covers the image display assistance area P6 of the face formed by the symbol placement face Pl, the symbol transmission face P2, the upper parallel face P4, and the lower parallel face P5 25 on the vertical face P3 on the side of the reel 3. - 15 - [0039] In the invention, considering the visual field of the player and the clearance required on installation between the members, it is not necessary to cover all of the logical area 5 P6 as shown in FIG. 7 if the portion corresponds to the area beyond the visual field of the player on the liquid crystal 504, needless to say. In short, the reel side reflector 320 almost covers the gap on the side of the reel 3 on the background of the area within the visual field of the player on the liquid crystal 504, whereby 10 color development of the liquid crystal 504 is perceived according to the color of the reel side reflector 320 (the reference color used as the reference of perception of color or monochrome, for example, white) for assisting image display of the liquid crystal 504. 15 [0040] FIG. 8 shows the positional relationships among the reels 3L, 3C, and 3R, the liquid crystal 504, the fluorescent lamp 510, the reel backlights 513L, 513C, and 513R, and the reel side reflectors 320L and 320R viewed from above. Specifically, the 20 reel backlights 513L, 513C, and 513R illuminate the symbols on the reels 3L, 3C, and 3R from behind and also illuminate the areas within the frames of the display windows 4L, 4C, and 4R of the liquid crystal 504. The fluorescent lamps 510 illuminate the symbols on the reels 3L, 3C, and 3R from the slanting top and 25 bottom of the front and also illuminate the liquid crystal in - 16 the areas within the frames of the display windows 4L, 4C, and 4R of the liquid crystal 504. Further, the reel side reflectors 320L and 320R reflect the light emitted from the reel backlights 513L, 513C, and 513R and the light emitted from the fluorescent 5 lamps 510 for illuminating the symbols on the reels 3L, 3C, and 3R from the sides and also illuminating the liquid crystal in the areas within the frames of the display windows 4L, 4C, and 4R of the liquid crystal 504. More particularly, the light reflected by the reel side reflectors 320 includes not only the 10 light directly reaching the reel side reflectors 320L and 320R from the reel backlights 513L, 513C, and 513R and the light directly reaching the reel side reflectors 320L and 320R from the fluorescent lamps 510, but also light transmitted or reflected on the reels 3L, 3C, and 3R and then reaching the reel 15 side reflectors 320L and 320R. [0041] Therefore, the images displayed in the areas within the frames of the display windows 4L, 4C, and 4R of the liquid crystal 504 are sharply displayed owing to the light arriving through 20 the symbol rows (reel belts) on the reels 3L, 3C, and 3R from the reel backlights 513, the light arriving directly from the fluorescent lamps 510, the light arriving after reflected on the reel side reflectors 320L and 320R, and the light arriving after reflected on the symbol rows (reel belts) on the reels 3L, 3C, 25 and 3R. Particularly, the light reflected on the reel side - 17 reflectors 320L and 320R and the light reflected on the reel side reflectors 320L and 320R and then further reflected on the symbol rows on the reels 3L, 3C, and 3R contribute to color development of the images in the areas of the liquid crystal 504 in front 5 of the reels 3L, 3C, and 3R. [0042] Next, the components involved in operation of the pinball slot machine 1 will be discussed with FIG. 2. The display windows 4L, 4C, and 4R are formed with a top line 8b, a center line 8c, 10 and a bottom line 8d in the horizontal direction and a cross down line 8a and cross up line 8e in the slanting directions as pay lines. As the pay lines, one, three, or five lines are made activated as the player operates a 1-BET switch 11, a 2-BET switch 12, or a MAX-BET switch 13 (described later) or inserts medals 15 into a medal insertion slot 22. Which pay lines are made activated is indicated as a BET lamp 9a, 9b, or 9c (described below) is lighted. [0043] The 1-BET lamp 9a, the 2-BET lamp 9b, the MAX-BET lamp 9c, 20 and a credit display unit 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 MAX-BET lamp 9c is lighted in response to the number of medals bet to play one game, which will be hereinafter referred to as the BET count. 25 [0044] - 18 - In the embodiment, one game is over when all reels stop. When the BET count is 1 and one pay line is made activated, the 1-BET lamp 9a is lighted; when the BET count is 2 and three pay lines are made activated, the 2-BET lamp 9b is lighted; and when 5 the BET count is 3 and all the five pay lines are made activated, the MAX-BET lamp 9c is lighted. The credit display unit 19 includes seven-segment LEDs for displaying the deposited number of medals. [0045] 10 The WIN lamp 17 and the payout display unit 18 are provided on the right of the display windows 4L, 4C, and 4R. The WIN lamp 17 is lighted when a specific winning game is complete. It is lighted at a predetermined probability when a specific internal winning is accepted. The payout display unit 18 includes 15 seven-segment LEDs for displaying the number of medals paid out when the winning game is complete. [0046] The bonus game information display unit 20 is provided in the upper right corner of the display screen 5a of the panel 20 display unit 2a. The bonus game information display unit 20 includes seven-segment LEDs for displaying the number of times a predetermined game can be played, the possible number of times a specific game can be won. [0047] 25 As also shown in FIG. 1, a frontward projection portion - 19 - 10 of a horizontal plane is formed below the display screen 5a. The display screen 5a displays not only the various lamps and the various display units, but also various effects of animation and the "operation order" required for realizing completion of 5 the winning game when a predetermined internal winning is accepted. [0048] The medal insertion slot 22 is provided at the right end of the frontward projection portion 10, and the 1-BET switch 11, 10 the 2-BET switch 12, and the MAX-BET switch 13 are provided at the left end of the frontward projection portion 10. The 1-BET switch 11 enables the player to bet one of the credited medals by one push operation on a game. The 2-BET switch 12 enables the player to bet two of the credited medals by one push operation 15 on a game. The MAX-BET switch 13 enables the player to bet as many medals as the maximum number of medals that can be bet on a game by one push operation. As the player operates any of the BET switches, the corresponding pay lines are made activated as described above. 20 [0049] A C/P switch 14 for the player to switch between credit and payout of the medals obtained by playing games by pushbutton operation is provided on the left of the front of the frontward projection portion 10. As the C/P switch 14 is switched, medals 25 are paid out from a medal payout opening 15 in a lower part of - 20 the front and are stored in a medal reception tray 16. [0050] On the right of the C/P switch 14, a start lever 6 for rotating the reels for starting variable display of symbols in 5 the display windows 4L, 4C, and 4R (starting a game) as the player operates the start lever 6 is attached so that it can be turned in a predetermined angle range. [00511 The speakers 21L and 21R are provided on the upper left 10 and right of the cabinet 2, and a payout table panel 23 for displaying winning symbol combination, the number of payout medals, and the like is provided between the two speakers 21L and 21R. [0052] 15 Three stop buttons (left stop button 7L, center stop button 7C, and right stop button 7R) as operation buttons contained in stop operation means for stopping rotation of the three reels 3L, 3C, and 3R are provided at the center of the front of the frontward projection portion 10 and below the display screen 5a. 20 [0053] In the embodiment, the stop operation performed by the player pushing the first stop button when all reels rotate is called "first stop operation, " the stop operation next performed by the player pushing the second stop button is called "second ?5 stop operation, " and the stop operation performed by the player - 21 pushing the third stop button following the second stop operation is called "third stop operation." [0054] Since the pinball slot machine of the embodiment is 5 provided with the three stop buttons 7L, 7C, and 7R, there are six different operation orders of the stop buttons. The operation orders are distinguished from each other as follows: The left stop button 7L is abbreviated to "left," the center stop button 7C to "center," and the right stop button 7R to "right." 10 [0055] To indicate the operation order, the abbreviations of the stop buttons 7L, 7C, and 7R are listed from left to right in the stop operation order. For example, when the player operates the left stop button 7L as the first stop operation, the center stop 15 button 2C as the second stop operation, and the right stop button 7R as the third stop operation, the operation order is indicated as "left center right." In the embodiment, the six different operation orders of "left center right," "left right center," "center left right," "center right left," "right left center," 20 and "right center left" are available. [0056] The configuration of a part of the rear of a door of the cabinet 2 is as shown in FIG. 9. In FIG. 9, a liquid crystal display control board 720a for controlling display of the liquid 25 crystal display 5 is housed in a transparent resin case 720 and - 22 is attached to the rear of a door 200a of the cabinet 2 (a part of the cabinet), namely, an upper frame part of the door 200a with screws 721a, 721b. Liquid crystal display parts including an antistatic sheet 509 and a display driver 512 of the liquid 5 crystal display 5 are disposed below the liquid crystal display control board 720a. Semitransparent covers 210L and 210R for covering speakers 21L and 21R are placed at the left and right of the resin case 720. [0057] 10 FIG. 10 shows the circuit configuration including the above-mentioned main control circuit 71 (contained in internal lottery means) for controlling the game processing operation of the pinball slot machine, peripherals (actuators) electrically connected to the main control circuit 71, and a sub-control 15 circuit 72 (contained in control means) for controlling the liquid crystal display 5 and the speakers 21L and 21R based on a control command transmitted from the main control circuit 71. [0058] The main control circuit 71 includes the microcomputer 30 20 placed on the circuit board as the main component and a random number sampling circuit. The microcomputer 30 includes a CPU 31 for performing the control operation in accordance with a preset program, and ROM 32 and RAM 33, both of which are provided as a storage. 25 [0059] - 23 - Connected to the CPU 31 are a clock pulse generation circuit 34 for generating a reference clock pulse, a frequency divider 35, a random number generator 36 for generating sampled random numbers, and a sampling circuit 37. 5 [0060] For sampling random numbers, random number sampling may be executed in the microcomputer 30, namely, the operation program of the CPU 31. In this case, the random number generator 36 and the sampling circuit 37 can be omitted or can also be left 10 for backup of the random number sampling operation. [0061] The ROM 32 of the microcomputer 30 stores probability lottery tables used to determine random number sampling performed each time the player operates the start lever 6 (start 15 operation), stop control tables for determining the reel stop mode in response to operation of the stop buttons, and various control commands to be transmitted to the sub-control circuit 72. [0062] 20 The sub-control circuit 72 does not input commands and information to the main control circuit 71 and one-way communications are conducted from the main control circuit 71 to the sub-control circuit 72. [0063] 25 In the circuitry in FIG. 10, the main actuators whose - 24 operation is controlled by a control signal from the microcomputer 30 include the various lamps (1-BET lamp 9a, 2-BET lamp 9b, MAX-BET lamp 9c, and WIN lamp 17), the various display units (payout display unit 18, credit display unit 19, and bonus 5 game information display unit 20), a hopper (containing a drive section for paying out medals) 40 as game play value giving means for storing medals and paying out a predetermined number of medals according to an instruction of a hopper drive circuit 41, and stepping motors 49L, 49C, and 49R for rotating the reels 3L, 3C, 10 and 3R. [0064] Further, 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, an 15 individual lamp drive circuit 45 for driving and controlling the various lamps, and an individual display unit drive circuit 48 for driving and controlling the various display units are connected to the output section of the CPU 31 through an I/O port 38. Each of these drive circuits receives a control signal such 20 as a drive command output from the CPU 31 and controls the operation of the corresponding actuator. [00651 The main input signal generation means for generating an input signal required for generating a control command by the 25 microcomputer 30 include a start switch 6S, the 1-BET switch 11, - 25 the 2-BET switch 12, the MAX-BET switch 13, the C/P switch 14, an inserted medal sensor 22S, a reel stop signal circuit 46, a reel position detecting circuit 50, and a payout completion signal circuit 51. These are also connected to the CPU 31 through 5 the I/O port 38. [0066] The start switch 6S detects the operation of the start lever 6 operated by the player. The inserted medal sensor 22S detects a medal inserted to the medal insertion slot 22. The reel stop 10 signal circuit 46 generates a stop signal as the player operates each stop button 7L, 7C, 7R. The reel position detecting circuit 50 receives a pulse signal from a reel rotation sensor and supplies a signal for detecting the position of each reel 3L, 3C, 3R to the CPU 31. The payout completion signal circuit 51 15 generates a signal for detecting completion of medal payout when the count of a medal detection unit 40S (the number of medals paid out from the hopper 40) reaches the specified number of medals. [0067] 20 In the circuitry in FIG. 10, the random number generator 36 generates random numbers contained in a given numeric value range and the sampling circuit 37 samples one random number at the appropriate timing after the player starts the start lever 6. The CPU 31 determines the internal winning combination based 25 on the random number thus sampled and the probability lottery - 26 table stored in the ROM 32. Therefore, the CPU 31 implements winning state determination means for determining the winning state of the game, namely, the internal winning combination by random number lottery. 5 [0068] After rotation of each of the reels 3L, 3C, and 3R is started, the number of drive pulses supplied to each of the stepping motors 49L, 49C, and 49R and the counts are written into a predetermined area of the RAM 33. A reset pulse is obtained every revolution 10 of the reel 3L, 3C, 3R and the reset pulses are input to the CPU 31 through the reel position detecting circuit 50. The drive pulse counts written in the RAM 33 are cleared to "0" according to the reset pulses thus obtained. Accordingly, the counts corresponding to the rotation positions of the reels 3L, 3C, and 15 3R within the range of one revolution are stored in the RAM 33. [00691 A symbol table is stored in the ROM 32 to relate the rotation positions of the reels 3L, 3C, and 3R and the symbols drawn on the outer peripheral surfaces of the reels to each other. In 20 the symbol table, the code numbers given in sequence every given rotation pitch of each reel 3L, 3C, 3R based on the rotation position where the reset pulse is generated and the symbol codes indicating the symbols provided in one-to-one correspondence with the code numbers are related to each other. 25 [00701 - 27 - Further, a winning symbol combination table is stored in the ROM 32. The winning symbol combination table lists the symbol combinations of winning games, the numbers of payout medals for the winning games, and the winning game determination 5 codes representing the winning games in association with each other. The winning symbol combination table is referenced at the stop control time of the left reel 3L, the center reel 3C, the right reel 3R and when the winning game is confirmed after all reels are stopped. 10 [0071] If the internal winning is accepted according to lottery processing based on the random number sampling (probability lottery processing), the CPU 31 sends the stop control signal of the reels 3L, 3C, and 3R to the motor drive circuit 39 based 15 on the operation signal sent from the reel stop signal circuit 46 at the timing at which the player operates the stop buttons 7L, 7C, and 7R, and the selected stop control table. The CPU 31 functions as stop control means for performing stop control of the reels 3L, 3C, and 3R. 20 [0072] When the player pushes the stop button 7L, 7C, 7R, the stop control table is referenced and is used to determine the stop position of the reel. [0073] 25 Specifically, when the player pushes the stop button 7L, - 28 - 7C, 7R, the symbol positioned on the center line 8c on the reel corresponding to the operated stop button (specifically, the symbol whose center is positioned above the center line 8c and is nearest to the position of the center line 8c) is detected, 5 the code number of the symbol (operation position) is collated with the stop control table, ~and the code number of the symbol tobe stopped at the position of the center line 8c (stopposition) is determined. [0074] 10 In the stop mode indicating completion of the winning game of internal winning combination, the CPU 31 supplies a payout command signal to the hopper drive circuit 41 for paying out a predetermined number of medals to the player from the hopper 40. [0075] 15 At the time, the medal detection unit 40S counts the number of medals paid out from the hopper 40. When the count reaches the specified number of medals, a medal payout completion signal is input to the CPU 31, which then stops driving the hopper 40 through the hopper drive circuit 41 and terminates the medal 20 payout processing. [0076] FIG. 11 shows the configuration of the sub-control circuit 72. The sub-control circuit 72 performs display control of the liquid crystal display 5 and output control of sound from the 5 speakers 21L and 21R based on the control commands from the main - 29 control circuit 71. The sub-control circuit 72, which is implemented on a separate circuit board from the circuit board implementing the main control circuit 71, includes a microcomputer (sub-microcomputer) 73 as the main component, an 5 image control circuit 81 as display control means of the liquid crystal display 5, a sound source IC 78 for controlling sound output from the speakers 21L and 21R, and a power amplifier 79. [0077] The sub-microcomputer 73 includes a sub-CPU 74 for 10 performing the control operation following a control command transmitted from the main control circuit 71, program ROM 75 as a storage, and work RAM 76. The signal from the main control circuit 71 to the sub-microcomputer 73 is input through an IN port 77, and the signal to the image control circuit 81 is output 15 through an OUT port 80. [0078] The sub-control circuit 72 does not include a clock pulse generation circuit, a frequency divider, a random number generator, or a sampling circuit, but executes random number 20 sampling in an operation program of the sub-CPU 74. Generation of the assistance time period is determined as the random number sampling is executed. [0079] The sub-CPU 74 includes the number-of-AT-sets counter and 25 a number-of-AT-games counter. The number-of-AT-sets counter - 30 stores the number of sets. The number-of-AT-games counter stores information concerning the number of games in one assistance time period. [0080] 5 The program ROM 75 stores a control program executed in the sub-CPU 74. The work RAM 76 is used as a temporary storage for the sub-CPU 74 to execute the control program. [0081] The image control circuit 81 includes an image control CPU 10 82, an image control work RAM 83, image control program ROM 84, image ROM 86, video RAM 87, and an image control IC 88. The image control CPU 82 determines the display contents on the liquid crystal display 5 in accordance with an image control program stored in the image control program ROM 84 based on the parameters 15 set in the sub-microcomputer 73. The signal from the sub-CPU 74 is input through an IN port 85. [0082] The image control program ROM 84 stores the image control program involved in display on the liquid crystal display 5 and 20 various selection tables. The image control work RAM 83 is used as a temporary storage for the image control CPU 82 to execute the image control program. The image control IC 88 forms an image responsive to the display contents determined by the image control CPU 82 and outputs the image to the liquid crystal display 25 5. The image ROM 86 stores dot data for forming an image. The - 31 video RAM 87 is used as a temporary storage for the image control IC 88 to form an image. [0083] On the other hand, the sub-CPU 74 displays an image on the 5 liquid crystal display 5 based on the command signal from the CPU 31. [00841 Specifically, whenever a stop signal is input from the reel stop signal circuit 46 as the player operates the start lever 10 6 or the stop button 7L, 7C, 7R, the sub-CPU 74 transmits a signal to the image control CPU 82 and displays an image on the display screen 5a of the liquid crystal display 5. [0085] The effect image displayed on the liquid crystal display 15 5 by the image control CPU 82 is displayed only outside the frame of the display window 4 for allowing the player to visually check the symbols on the reel 3 within the frame of the display window 4 at times; the effect image is also displayed within the frame of the display window 4 for allowing the player to visually check 20 the symbols on the reel 3 within the frame of the display window 4 at times; or the effect image is displayed so as to cover all the symbols on the reel 3 within the frame of the display window at times. Therefore, the player can visually check the symbols on the reel 3 clearly within the frame of the display window 4 25 and can also visually check the effect image displayed over the - 32 full face of the rectangular 15-inch liquid crystal screen. [0086] As described above, the gaming machine of the first embodiment of the invention includes the reels 3 (contained in 5 variable display means) having symbol placement faces shaped like curved surfaces on which a plurality of symbols are placed for variably displaying of a plurality of symbol rows each made up of the plurality of symbols, the liquid crystal 504 (contained in image display means) being provided in front of and opposed 10 to the reels 3 for displaying the symbols through a flat symbol transmission face and also displaying an image concerning game play, the reel backlights 513 (contained in symbol illumination means) for illuminating the symbols, and the reel side reflectors 320 (contained in image display assistance means) each being 15 provided on a side of the reels 3 for covering an area sandwiched between the symbol placement face and the symbol transmission face on a face on the side of the reels 3 for assisting image display of the liquid crystal 504 (image display means) . Thus, in the area formed as the reel 3 is circular in cross section, 20 namely, the image display assistance area sandwiched between the symbol placement face and the symbol transmission face on the vertical face on the side of the reel 3, image display is assisted with the reel side reflector 320 as the background, so that the player perceives color development in the area on the liquid 25 crystal 504 with the reel side reflector 320 as the background, - 33 the color development effect of the effect image can be enhanced with good energy efficiency, and the player can clearly recognize the effect image and enjoy playing a game. [0087) 5 The gaming machine of the first embodiment of the invention includes the reels 3 (contained in variable display means) for variably displaying of a plurality of symbol rows each made up of a plurality of symbols, the liquid crystal 504 (contained in image display means) being provided in front of the reels 3 for 10 displaying an image concerning game play, the reel backlights 513 (contained in symbol illumination means) for illuminating the symbols, and the reel side reflectors 320 (contained in image display assistance means) being provided on sides of the reels 3 for reflecting light emitted from the reel backlights 513. 15 Thus, the light from the illumination light provided for illuminating the symbols is reflected on the sides of the symbol rows and arrives directly or indirectly at the areas in front of the reels 3, so that the image in front of the variable display means is illuminated for improving color development of the image 20 within the frame of the display window, the illumination effect of the effect image can be enhanced with good energy efficiency, and the player can clearly recognize the effect image and enjoy playing a game. [0088] 25 The fluorescent lamps 510 (contained in symbol - 34 illumination means) for illuminating the symbols from the slanting direction of the front of the symbols are provided and the reel side reflectors 320 reflect light emitted from the fluorescent lamps 510, so that the illumination effect of the 5 effect image can be furthermore enhanced with good energy efficiency. [0089] The reel side reflectors 320 are attached to the reel case 310 (contained in housing) for housing the reels 3, so that when L0 the door is opened or closed, the image display assistance means does not becomes a hindrance and the door can be opened or closed without a hitch as compared with the case where the image display assistance means corresponding to the reel side reflector 320 is attached to the door of the machine. 5 [0090] In the description of the embodiment, the white plate that can be molded, can enhance the illumination effect at a low cost, and produces the image perception effect is used as the reel side reflector 320. In the invention, however, a mirror plate or any 0 other reflection member having a good reflection efficiency may be used as.the reel side reflector 320. [0091] Second embodiment FIG. 12 shows a reel means 1300 in a gaming machine of a second embodiment of the invention. Components identical with - 35 those of reel means 300 previously described with reference to FIG. 3 are denoted by the same reference numerals in FIG. 12. Side illumination lights 1325 each implemented, for example, as a white light emitting diode are provided on the sides in front 5 of reels 3L, 3C, and 3R for illuminating symbols on the front of the reels 3L, 3C, and 3R from the sides and also illuminating liquid crystal 504 from the rear sides. Side plates 1320L and 1320R are attached to the sides of a reel case 310 for holding the side illumination lights 1325. 10 [0092] As the side plate 1320L, 1320R, a member for reflecting light may be used like the reel side reflector 320 in FIG. 3. It is advisable to use a white member for causing the player to perceive color development of an image. 15 [0093] As described above, the gaming machine of the second embodiment of the invention includes the reels 3 (contained in variable display means) for variably displaying of a plurality of symbol rows each made up of a plurality of symbols, the liquid 20 crystal 504 (contained in image display means) being provided in front of the reels 3 for displaying an image concerning game play, and the side illumination lights 1325 (contained in side illumination means) being provided on the sides of the reels 3 for illuminating the symbols on the reels 3 from the sides. Thus, 25 the light emitted from the side of the symbol row arrives directly - 36 - C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 - 37 or indirectly at the display area of the liquid crystal 504 in front of the reels 3, color development in the display area in front of the reels 3 is improved, the illumination effect of the effect image can be enhanced, and the player 5 can clearly recognize the effect image and enjoy playing a game. [0094] In the description of the embodiment, the side plates 1320L and 1320R are attached to the sides of the reel case 10 310, and the side illumination lights 1325 are attached to the side plates 1320L and 1320R. In the invention, however, they are attached in a different manner if the side illumination lights 1325 are disposed on the sides in front of the reels 3L, 3C, and 3R. For example, a plate may be 15 attached to a position on the door and on a side in front of the reels 3L, 3C, and 3R and the plate on the door may hold white light emitting diodes. [0095] Each side illumination light 1325 may be not only a 20 white light emitting diode, but also any other illumination light such as a fluorescent lamp. (0096] As described above, the gaming machine for making it possible to sharply display an image even in an area for 25 displaying symbols on reels through the area and enabling the player to clearly recognize the image and enjoy playing a game can be provided. [0097] Although only some exemplary embodiments of the 30 invention have been described in detail above, those skilled in the art will readily appreciate that many modifications C:\NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 - 38 are possible in the exemplary embodiments without materially departing from the novel teachings and advantages of the invention. Accordingly, all such modifications are intended to be included within the scope of the invention. 5 [0098] In the above description, it is described of the pinball slot machines that have a plurality of stop buttons. However, the present invention can be applied to other gaming apparatus that is configured without a stop button 10 and is featured so that the reels start spinning by activation of a start lever or a start button and stop automatically after a prescribed time elapsed. [0099] Throughout this specification and the claims which 15 follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" and "comprising", will be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of 20 integers or steps. [01001 The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as an 25 acknowledgment or admission or any form of suggestion that that prior publication (or information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates.

Claims (13)

1. A gaming machine comprising: variable display means configured to variably display a 5 plurality of symbol rows on which a plurality of symbols are placed; image display means being provided in front of and opposed to the variable display means and configured to display symbols through a flat symbol transmission face and 10 to display an image concerning a game, the image display means including a liquid crystal display for displaying the image concerning the game and a light guide plate located behind the liquid crystal display and in front of the variable display device, the light guide plate having at 15 least one opening through which the symbols on the variable display device are displayed, the light guide plate providing backlighting to the liquid crystal display in regions outside of the at least one opening; symbol illumination means configured to illuminate the 20 symbols; and image display assistance means being provided lateral to an area between the variable display means and the image display means and configured to assist image display of the image display means, 25 wherein the symbol illumination device comprises a rear illumination lamp configured to illuminate the symbols from behind the symbols and to provide backlighting to the liquid crystal display in the region within the at least one opening of the light guide plate, and 30 wherein the image display assistance device reflects light emitted from the rear illumination lamp to assist in providing backlighting to the liquid crystal display in the C;\NRPortbl\DCC\KXM\3750935_1.DOC-13/0?/2011 - 40 region within the at least one opening of the light guide plate.
2. The gaming machine as claimed in claim 1, wherein each 5 of the plurality of symbol rows have a symbol placement face formed in a curved surface on which the plurality of symbols are placed.
3. The gaming machine as claimed in claim 2, wherein the 10 image display assistance means is provided at a position where covers an area sandwiched between the symbol placement face and the symbol transmission face on a face on the side of the variable display means. 15
4. The gaming machine as claimed in claim 1, wherein the symbol illumination means comprises a front illumination lamp configured to illuminate the symbols from an angled direction of the front of the symbols. 20
5. The gaming machine as claimed in claim 1, wherein the symbol illumination means comprises a front illumination lamp configured to illuminate the symbols from an angled direction of the front of the symbols, and wherein the image display assistance means reflects 25 light emitted from the front illumination lamp.
6. The gaming machine as claimed in claim 1 further comprising a housing that houses the variable display means. 30
7. The gaming machine as claimed in claim 6, wherein the image display assistance means is attached to the housing. C: \NRPortbl\DCC\KXM\3750935_1.DOC-13/07/2011 - 41
8. The gaming machine as claimed in claim 1, wherein the image display assistance means comprises a white plate. 5
9. The gaming machine as claimed in claim 1, wherein the image display assistance means comprises a mirror plate.
10. The gaming machine as claimed in claim 1, wherein the image display assistance means comprises side illumination 10 means being provided on a side of the variable display means and configured to illuminate the symbols from a side of the symbols.
11. The gaming machine as claimed in claim 1 further 15 comprising: internal lottery means configured to carry out an internal lottery of the game with a random number at a predetermined timing; stop control means configured to stop at least one of 20 the symbols of the variable display means based on the result of the internal lottery carried out by the internal lottery means; and game medium payout means configured to pay out the game medium to the player in a case where a stop state of the 25 variable display means stopped by the stop control means corresponds to a predetermined stop state.
12. The gaming machine as claimed in claim 11 further comprising a plurality of operation means with which the 30 player stops at least one of the symbols of the variable display, C:\NRPortbl\DCC\KXM\3750935_1 DOC-13/07/2011 - 42 wherein the stop control means is configured to stop at least one of the symbols based on the internal lottery carried out by the internal lottery means and on a top operation of each of the operation means. 5
13. A gaming machine substantially as described herein in relation to one embodiment with reference to Figs. 1-6.
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165074A (en) * 1984-09-19 1986-04-03 Jpm Gaming or amusement-with-prizes machines
EP0410789A2 (en) * 1989-07-28 1991-01-30 Kabushiki Kaisha Universal Game machine
US20010031658A1 (en) * 2000-02-28 2001-10-18 Masaaki Ozaki Pattern display device and game machine including the same
GB2365191A (en) * 2000-06-20 2002-02-13 Gamesman Ltd Back-lit Symbol with Variable Colour Lighting of Symbol Periphery
US20030087690A1 (en) * 2001-05-22 2003-05-08 Loose Timothy C. Gaming machine with superimposed display image

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165074A (en) * 1984-09-19 1986-04-03 Jpm Gaming or amusement-with-prizes machines
EP0410789A2 (en) * 1989-07-28 1991-01-30 Kabushiki Kaisha Universal Game machine
US20010031658A1 (en) * 2000-02-28 2001-10-18 Masaaki Ozaki Pattern display device and game machine including the same
GB2365191A (en) * 2000-06-20 2002-02-13 Gamesman Ltd Back-lit Symbol with Variable Colour Lighting of Symbol Periphery
US20030087690A1 (en) * 2001-05-22 2003-05-08 Loose Timothy C. Gaming machine with superimposed display image

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