JPH0984940A - Pinball game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the dielectric breakdown and malfunctions due to static electricity of an integrated circuit by connecting a ground pattern, arranging a conductive metal member near the integrated circuit part of an electric circuit part and lowering potential around the integrated circuit parts. SOLUTION: A CPU provided with a central arithmetic processing function, a readable and writable memory RAM and a read-only memory ROM are attached to a game control substrate 31. The conductive metal member 41 is arranged near the memory ROM, the conductive metal member 41 is provided with four-foot parts 43 and the foot parts 43 are inserted to the attachment hole of the game control substrate 31 and fixed to the game control substrate 31 by soldering 47. A part where the soldering 47 is attached forms the ground pattern of the game control substrate 31. The ground pattern is tightly attached to a conductive frame body and the conductive frame body is connected to a ground line. The ground line is connected through a connector to a ground electric wire.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ball game machine, and more particularly to means for preventing malfunction of static electricity in a ball game machine having an electric circuit section including integrated circuit parts.

[0002]

2. Description of the Related Art As a ball game machine, for example, a pachinko game machine using a pachinko ball is known. In a pachinko gaming machine, a predetermined number of pachinko balls are released as prize balls when a pachinko ball hit in a game area covered with a glass plate enters a winning opening, but in recent years, a variable display device and a variable winning ball have been released. A device in which a variable winning ball device is complicatedly controlled according to a display result of a variable display device is widely used.

In such a pachinko game machine, an integrated circuit component having a central processing function and a data storage function is used in an electric circuit section for controlling a game operation. On the other hand, plastic parts are used for the game board of the pachinko game machine, and static electricity is generated when the plastic parts collide with the pachinko ball.

Further, in order to prevent unauthorized modification of the electric circuit section, there is a demand that when the electric circuit section is covered with a cover, a transparent material must be used for easy inspection. The static electricity generated in the game area of the pachinko gaming machine as described above may act on the integrated circuit parts of the electric circuit section through the non-conductive cover or the like, destroy the integrated circuit parts, or cause the malfunction.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned points, and an object thereof is to destroy an integrated circuit component of an electric circuit section for controlling a game operation by static electricity, Another object is to provide a ball game machine that prevents malfunction.

[0006]

The ball-playing machine of the present invention,
In a ball game machine provided with an electric circuit section for controlling a game operation, the electric circuit section has at least one or more integrated circuit parts, and a conductive metal member is close to a part or all of the integrated circuit part. It is arranged and connected to the ground pattern of the electric circuit section.

Further, in the above ball game machine, a conductive metal member is disposed close to the integrated circuit component having a central processing function.

Further, in the same ball game machine, a conductive metal member is arranged in proximity to the integrated circuit component having a data storage function.

[0009]

[Function] The electric circuit is arranged in the vicinity of the integrated circuit component,
The conductive metal member connected to the ground pattern lowers the potential around the integrated circuit component and prevents destruction or malfunction of the integrated circuit component due to static electricity generated in the game board. Further, since it is not necessary for the conductive metal member to cover the entire electric circuit portion, it is possible to easily visually inspect the illegal modification of the electric circuit portion.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A pachinko gaming machine according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a front view showing a pachinko gaming machine 1 which is an embodiment of the present invention. A game board 1b is fixed to a base body 1a of the pachinko gaming machine 1, and a transparent plate holding frame 5 is arranged thereon. The glass plate held by the transparent plate holding frame 5 covers the circular game area 3 of the game board 1b surrounded by the partition rails. On the base body 1a, a hitting ball supply tray 6,
A ball striking force adjusting unit 8, a surplus ball tray 7 and an ashtray 12 are arranged.

The card unit 2 attached to the left side of the pachinko gaming machine 1 supplies a ball to the player with a prepaid card. That is, when a prepaid card is inserted into the card insertion slot 13 of the card unit 2 and a key is operated, a predetermined number of balls to be lent are discharged from the ball discharging device (not shown) to the hit ball supply tray 6. When the ball striking force adjusting unit 8 is rotated clockwise, the balls supplied from the ball striking plate 6 are shot into the game area 3 by the ball striking device. The strength of the hit ball is adjusted by the turning angle of the hitting force adjusting unit 8. Surplus ball receiving tray 7 when the ball of the hitting ball supply tray 6 is full
When the shutter is opened by the operation unit 6a, the ball falls onto the surplus ball tray 7.

On the back side of the pachinko gaming machine 1 shown in FIG. 2, an information signal with a ball storage tank 20 for storing a large amount of game balls to be used as prize balls, and a management computer (not shown) in the game hall. A terminal control unit 30 provided with terminals for exchanging information, a game control unit 16 that controls the overall operation of the game in the pachinko gaming machine 1, and the prize balls from the prize ball payout device according to the winning of a hit ball. A prize ball control unit 20a for controlling payout, a decoration control unit 21 for controlling the operation of all lamps including LEDs, and a firing control unit 2 for firing a ball based on the rotation operation of the ball striking force adjusting unit 8.
7, a display control unit 15 for controlling the display of the variable display device 4 shown in FIG. 1, a card unit relay unit 22 for exchanging information signals with the card unit 2, and the like are arranged. The game control unit 16 will be described in detail later.

A variable display device 4 is arranged in the center of the game area 3 shown in FIG. 1, and a variable winning ball device 14 for opening and closing a special winning opening is arranged below the game area 3. Five winning holes are provided on the top of the variable display device 4, the lower right and lower left of the variable display device 4, and the left and right of the variable winning ball device 14. Further, a windmill and a large number of nails are provided on the game board surface so as to change the direction in which the game balls fall. A variable display portion 4c composed of three drums is exposed from the central window of the variable display device 4. Designs, numbers and the like are drawn on the surface of each drum of the variable display portion 4c. Each of these drums is driven to rotate by a pulse motor. The start winning port 4a arranged above the variable winning ball device 14 is for starting the rotation of each drum of the variable display portion 4c when a ball is hit.

The opening / closing plate 14a of the variable winning ball device 14 is driven by a solenoid 14b to open and close the special winning opening. The ball entering the special winning opening proceeds in one of two passages, and in each passage, the specific ball detector 14c and the winning ball detector 1
4d is provided. The ball that has won the starting winning opening 4a passes through a starting ball detector (not shown). The above-mentioned starting ball detector, specific ball detector 14c, and winning ball detector 14d
A proximity switch is used as.

The balls that have entered the above-mentioned winning holes and the starting winning holes are guided to a winning ball processing device (not shown), and the winning ball processing device is controlled by the winning ball control section 20a.
Five award balls are discharged to the hit ball supply tray 6 for each piece. Further, the balls entering the special winning opening are guided to the winning ball processing device through an entrance different from the above, and the winning ball processing device discharges 15 winning balls for one winning ball to the hitting ball supply tray 6. To do. The balls that have not entered the winning opening are discharged to the outside of the game board through the out opening 3a provided at the bottom of the game area 3.

The opening / closing operation of the opening / closing plate 14 for opening / closing the special winning opening of the variable winning ball device is performed as follows. First, when a winning is made in the starting winning opening 4a, a ball is detected by the starting ball detector, and the variable display portion 4c starts to change. After a lapse of a predetermined time, the display change of the left display section stops, and then the change stops in the order of the right display section and then the middle display section. It becomes a big hit when the same symbols are lined up horizontally or diagonally in these three display sections. When a ball enters the starting winning opening 4c during display change or big hit, the number of winnings is stored up to four times, and the variable display unit 4 can store the number of winnings stored.
The display fluctuation of c is repeated. The stored winning count is displayed on the starting memory display 4b. If it becomes a jackpot,
The opening / closing plate 14a is opened for about 29 seconds, and when 10 balls enter the special winning opening, the opening / closing plate 14a is closed. The number of winnings at the special winning opening while the opening / closing plate 14a is open is displayed on the winning number display 14e.

When the specific ball detector 14c detects a ball when the opening / closing plate 14a is open, a V prize is achieved and the opening / closing plate 14 is opened.
After the opening operation of a is completed, the opening / closing plate 14a is opened again. Such an opening operation is repeated up to 16 times including the first opening. The number of times the opening / closing plate 14a is open during the big hit is displayed on the opening number indicator 14f. During the big hit, fluorescent tubes 11a, 11 arranged around the game area 3
b blinks, and when the variable display unit 4c is changing and when it is stopped, and when it is a big hit, sound effects are output from the left speaker 9a and the right speaker 9b arranged above and to the left and right of the game area. The LED 10 arranged above the game area 3 enhances the decorative effect.

The game operation as described above is performed by the game control section 1
6, the display controller 15, the prize ball controller 20 a, and the decoration controller 21. That is, signals from the starting ball detector, the specific ball detector 14c and the winning ball detector 14d are input to the game control unit 16, and the winning ball processing device is driven via the winning ball control unit 20a based on the signals. ,Also,
The variable display section 4c is driven via the display control section 15. The game control unit 16 further drives the solenoid 14b of the variable winning ball device 14 to open / close the opening / closing plate 14a to turn on various lamps and LEDs via the decoration control unit 21, and also the left speaker 9a and the right speaker 9b. To drive.

The game control section 16 is further connected to the card unit 2 via the card unit relay section 22,
The card unit 2 is controlled by a signal from a switch (not shown) provided in the pachinko gaming machine 1. Also, the management information from the game control unit 16 is output to the management device in the store via the terminal control unit 30. As management information,
There are effective start information indicating the number of display fluctuations of the variable display device, and big hit information indicating the number of big hits.

Next, the structure of the game control unit 16 will be described with reference to FIGS. A game control unit is formed by the game control board 31 shown in FIG. 3 and the components attached thereto. C having a central processing function on the game control board 31
A PU 17, a RAM 18 that is a readable / writable memory, and a ROM 19 that is a read-only memory are attached. Mounting holes 32, 3 at the four corners of the game control board 31
2 ... are provided.

A conductive frame main body 33 made of a metal plate accommodates the game control board 31 and is attached to a plastic frame base 39 containing a conductive substance. That is, screw 3
8 is the mounting boss 40 of the frame base 39 by inserting the mounting hole 32 of the game control board 31 and the mounting hole 36 of the conductive frame body 33.
Fastened to. A large number of opening holes 34, 34 ... Are provided on the bottom surface of the conductive frame body 33. A conductive cover 28 made of a metal plate is fastened to the conductive frame body 33 so as to cover the game control board 31 housed in the conductive frame body 33. That is, the screw 38 is attached to the mounting hole 3 of the conductive frame body 33.
3a is inserted and fastened to the mounting screw hole 35 of the conductive cover 28. The conductive frame main body 33 and the conductive cover 28
May be formed of a plastic containing a conductive material.

The conductive cover 28 has a large number of openings 29,
29 ... are provided. The conductive cover 28 is further covered with a transparent cover 23 made of plastic. That is,
Elastically deformable hook portion 2 provided on the transparent cover 23
.. are locked in the engaging holes 37, 37 .. The transparent cover 23 is provided with a large number of heat dissipation holes 25 and a seal attaching concave portion 26 for attaching a label of the game control board 31. In this way, the conductive frame body 3
3, conductive cover 28, transparent cover 23 and frame base 3
Although the game control board 31 covered with 9 is arranged on the back surface of the game board, it can be inspected through a hole of a translucent material or a metal plate to prevent unauthorized modification of the game control board 31.

Next, with reference to FIG. 4 and FIG. 5, the mounting state of the conductive metal member 41 arranged in the vicinity of the ROM 19 mounted on the game control board 31 will be described. ROM1
9 is attached to the game control board 31 via the legs 46, 46, .... That is, the ROM 19 is usually mounted on a printed circuit board by a method of mounting integrated circuit parts. The conductive metal member 41 is provided with four legs 43, 43 ... The legs 43, 43 ... Are inserted through the mounting holes 45, 45 ... Of the game control board 31, and are fixed to the game control board 31 with solder 47 as shown in FIGS. 5 (A) and 5 (B). The part to which the solder 47 is attached is the ground pattern of the game control board 31. The ground pattern is fastened to the conductive frame body 33. The conductive frame body 33 is further connected to the ground wire 51 shown in FIG. The ground wire 51 is connected to the ground wire via the connector 52.

Thus, the conductive metal member 41 is the ROM 1
Although it is attached so as to cover 9, the printing portion 44 of the ROM 19 can be seen through the mesh-like transparent window 42 of the conductive metal member 41. A gap L1 between the end surface of the ROM 19 and the conductive metal member 41 and a gap L2 between the upper surface of the ROM 19 and the conductive metal member 41 shown in FIG. 5A are set to about 1 mm. In addition, the foot portion 4 of the ROM 19 shown in FIG.
The gap L3 between 6 and the conductive metal member 41 is set to about 1 mm. Similar to the ROM 19, the CPU 17 is also provided with the conductive metal member 41 in the vicinity thereof.

In the above structure, the conductive frame main body 33, the conductive cover 28 and the conductive metal member 41 prevent static electricity and illegal radio waves from entering the game control section 16 from the outside, but the conductive metal member 41 is Since it is very close to the integrated circuit parts, it effectively prevents the intrusion of static electricity and illegal radio waves. When the conductive metal member 41 is attached so as to cover the integrated circuit component as in this embodiment, there is an effect of preventing replacement of the integrated circuit component. The conductive metal member 41
May be arranged in another integrated circuit component such as the RAM 18 of the game control board 31, or may be provided in another electric circuit unit such as the prize ball control unit 20a.

FIG. 6 shows a modification of the above embodiment. In this example, the conductive metal member 49 is attached through the attachment hole 48 of the game control board 31 and connected to the ground pattern.
The conductive metal member 49 is close to the legs 46, 46 ... Of the ROM 19 and prevents static electricity or illegal radio waves from entering the ROM 19. A lightning rod portion 50 having a sharp tip is provided at both ends of the conductive metal member 49 to enhance the potential lowering effect. In this example, when the ROM 19 is attached to the game control board 31 via the socket, the ROM 19 can be replaced without removing the solder,
Moreover, the inspection of the ROM 19 becomes easy.

[0027]

As described above, according to the ball game machine of the present invention, the conductive metal member lowers the potential around the integrated circuit component, and the static electricity generated on the game board destroys or malfunctions the integrated circuit component. Prevent. Further, since it is not necessary for the conductive metal member to cover the entire electric circuit portion, it is possible to easily visually inspect the electric circuit portion for unauthorized modification.

[Brief description of drawings]

FIG. 1 is a front view showing a pachinko gaming machine that is an embodiment of the present invention.

FIG. 2 is a rear view showing the pachinko gaming machine.

FIG. 3 is an exploded perspective view showing a mounting state of a game control board of the pachinko gaming machine.

FIG. 4 is an exploded perspective view showing a portion of a game control board of the pachinko gaming machine.

5 (a) is a vertical cross-sectional view of the portion shown in FIG. 4, FIG.
(B) is a cross-sectional view of the same portion.

FIG. 6 is an exploded perspective view showing a portion of a game control board according to a modified example of the embodiment.

[Explanation of symbols]

1 Pachinko machine, 1a base, 1b game board, 2
Card unit, 3 game area, 3a outlet, 4 variable display device, 4a start winning slot, 4b start memory indicator, 4c variable display part, 5 transparent plate holding frame, 6 ball supply plate, 6a operating part, 7 surplus ball Saucer, 8 ball striking power adjustment unit, 9a left speaker, 9b right speaker, 10
LED, 11a, 11b Fluorescent tube, 12 Ashtray, 13
Card insertion slot, 14 variable winning ball device, 14a open / close plate, 14b solenoid, 14c specific ball detector, 14d
Prize winning ball detector, 14e winning number display, 14f opening number display, 15 display control section, 16 game control section,
17 CPU, 18 RAM, 19 ROM, 20 ball storage tank, 20a prize ball control unit, 21 decoration control unit,
22 card unit relay section, 23 transparent cover, 24
Hook part, 25 heat dissipation hole, 26 Seal attachment concave part, 27
Fire control unit, 28 conductive cover, 29 opening, 30
Terminal control section, 31 game control board, 32 mounting hole, 33 conductive frame body, 33a mounting hole, 34 opening hole, 35 mounting screw hole, 36 mounting hole, 37 engaging hole,
38 screws, 39 frame base, 40 mounting boss, 41 conductive metal member, 42 reticulated see-through window, 43 feet, 44
Printed area, 45 mounting holes, 46 feet, 47 solder, 4
8 mounting holes, 49 conductive metal member, 50 lightning rod part,
51 ground wire, 52 connector

Claims (3)

[Claims] 1. A ball game machine provided with an electric circuit unit for controlling a game operation, wherein the electric circuit unit has at least one or more integrated circuit parts, and a part or all of the integrated circuit parts are electrically conductive. A ball-playing machine characterized in that a conductive metal member is disposed in close proximity and connected to an earth pattern of an electric circuit section. 2. The ball game machine according to claim 1, wherein the integrated circuit component in which the conductive metal member is arranged in proximity is a component having a central processing function. 3. The ball game machine according to claim 1, wherein the integrated circuit component to which the conductive metal member is arranged in proximity is a component having a data storage function.