JPH1190012A - Electronic game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent unfair actions by designing a machine in such a manner that a control board is difficult to remove, and chip parts are difficult to replace in the machine. SOLUTION: On the inner wall of a rear board 35 of a machine main body 1a, a control board part 20 mounting a control circuit is detachably attached. Inside the machine main body 1a, a removal restriction mechanism A is fitted which restricts the removal of the control board part 20. In order to block the removal direction of the control board part 20, the removal restriction mechanism A is designed so that an interfere board 50 is attached to the rear board 35.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic amusement machine such as a slot machine and a pachinko machine installed in a playground such as a pachinko hall, and more particularly, to a control board unit incorporated in an airframe. The present invention relates to a technology for preventing occurrence of wrongdoing in advance.

[0002]

2. Description of the Related Art Like slot machines and pachinko machines,
It is necessary to control the game operation within the range of laws and regulations, and each game machine maker creates fixed data such as its control program and winning probability according to the laws and regulations. I have. A ROM chip component storing the control program and the like, and a CPU chip component which is a main body of control and calculation are mounted on a printed circuit board. It is housed inside 100 and assembled inside the fuselage in a sealed state. In FIG. 12, reference numeral 101 denotes a printed circuit board housed in the protective case 100.
0 constitutes the control board unit 102. 103 is
It is a support fitting for supporting the control board unit 102, and the support fitting 103 is attached to the inner wall surface on the rear side or side surface of the body.

[0003]

The above-mentioned electronic game machine is
Many units are delivered and installed in pachinko halls, etc.
In the delivery hole, after removing the control board unit 102 from the support fitting 103, the protective case 100 is opened, the printed board 101 is taken out, and the printed board 10 is removed.
There is a possibility that an illegal act such as replacing a chip component of the ROM mounted on the device 1 with a chip component of the ROM storing an unauthorized program may be performed.

In order to detect such misconduct,
For each electronic amusement machine, it is necessary to check whether the seal of the protective case 100 inside the body is broken, which requires a great deal of labor and time. If there is no suspicion that the hall is committing wrongdoing, it is difficult to check the inside of the electronic amusement machine, and it is virtually impossible to completely prevent wrongdoing.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and makes it difficult to take out the control board portion from the inside of the machine body or replace the chip parts, thereby preventing the occurrence of fraudulent acts. It is an object of the present invention to provide a protected electronic game machine.

[0006]

According to a first aspect of the present invention, there is provided an electronic game machine in which a control board portion on which a control circuit is mounted is detachably mounted on an inner wall surface of the body. And a removal regulating mechanism for regulating the removal of the control board section. The removal restricting mechanism is configured by attaching a baffle plate to the inner wall surface of the fuselage so as to close at least the removal direction of the control board unit.

According to a second aspect of the present invention, a control board portion comprising a printed board on which a control circuit is mounted and a protective case for housing the printed board is detachably attached to the inner wall surface of the body. In the electronic amusement machine, an inside of the body includes a baffle plate attached to an inner wall surface of the body so as to close at least a removing direction of the control board portion, and a baffle plate and a protective case of the control board portion. A removal regulating mechanism including an engaging member provided therebetween is provided.

According to a third aspect of the present invention, there is provided a baffle plate mounted on an inner wall of the body so as to close at least a direction in which the control board is removed, and a baffle plate detecting the presence or absence of the baffle plate. And a sensor that outputs a detection signal for informing the user of the removal of the vehicle.

According to a fourth aspect of the present invention, there is provided an electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of the body, wherein the control board section is fixed to a rear surface of the body by a stopper. It is fixed to the inner wall surface on the side or the side from the outside of the machine.

According to a fifth aspect of the present invention, there is provided an electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of the body, wherein the body is provided with the control board section. A sensor for detecting the presence or absence and outputting a detection signal for notifying the removal of the control board unit is provided.

According to a sixth aspect of the present invention, there is provided an electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of the body, wherein the control board section is provided inside the body. A lock mechanism for holding the mounting plate is provided.

[0012]

In the electronic amusement machine of the first aspect, since the removing direction of the control board portion is closed by the baffle plate, the control board portion cannot be removed unless the baffle plate is removed. Is hard to do.

In the electronic amusement machine according to the second aspect, since the removing direction of the control board is closed by the baffle, the control board cannot be removed unless the baffle is removed. Since the protective case of the unit is engaged with the engaging member, the work of removing the baffle plate is not easy, and it is difficult to perform an illegal act such as replacement of parts.

In the electronic amusement machine of the third aspect, since the removing direction of the control board portion is closed by the baffle plate, the control board portion cannot be removed unless the baffle plate is removed. Even if the baffle plate is removed, the sensor detects the removal of the baffle plate and outputs a detection signal.

In the electronic amusement machine according to the fourth aspect, the control board portion is fixed to the inner wall surface on the rear side or the side surface of the body by the stopper from outside the machine. Unless you move the, you can not remove the stopper, and it is difficult to perform wrongdoing such as replacing parts.

According to the electronic amusement machine of the present invention, when the control board is removed, the sensor detects the removal of the control board and outputs a detection signal.

In the electronic amusement machine according to the sixth aspect, since the control board is held at the mounting position by the lock mechanism, the control board cannot be removed unless the lock is released, and it is difficult to carry out an illegal act such as replacing parts. .

[0018]

FIG. 1 shows the appearance of a slot machine according to one embodiment of the present invention. The present invention is not limited to a slot machine as long as the game operation is controlled electrically, and is applicable to a pachinko machine and other electronic game machines.

In the illustrated slot machine, the body 1 is composed of a box-shaped hollow main body 1a and a door 1b which is attached to the front opening of the main body 1a so as to be openable and closable. The front surface of the door portion 1b is composed of three upper, middle, and lower exterior panels 2a, 2b, and 2c, and the symbols on the outer peripheral surface of the three reels 3a, 3b, and 3c are visually recognized on the central exterior panel 2b. Three possible symbol display windows 4a, 4b, 4c are opened. A medal slot 5, a start lever 6, and three stop button switches 7a, 7b, 7c for each reel are provided below the central exterior panel 2b, and a medal release button is provided below the lower exterior panel 2c. An exit 8 and a medal tray 9 are provided.

As shown in FIG. 2, three reels 3 are provided inside the main body 1a of the body 1 at positions corresponding to the symbol display windows 4a, 4b and 4c of the central exterior panel 2b.
Reel assembly 1 in which a, 3b, and 3c are integrally assembled
0, and the control board 2
0 is a medal discharge machine 11 and a power supply box 1 in a lower position.
2 are each incorporated.

The main body 1a of the body 1 is composed of an upper plate 31, a floor plate 32, both side plates 33, 34, and a back plate 35, and a support fitting 40 is attached to an upper end of the inner wall surface of the back plate 35. The support board 40 supports the control board section 20 in an engaged state. When the slot machine is maintained or inspected, the control board unit 20 can be removed from the support fitting 40.

The control board section 20 comprises a printed circuit board 21 on which a control circuit is mounted, and a transparent protective case 22 for housing the printed circuit board 21 in a sealed state.
The protective case 22 has a cover plate 24 attached to a case body 23 so as to be openable and closable. The cover plate 24 has a rectangular hole 25 for connector connection.
A pair of projections 26a, 26b are provided on both side walls of the projection.

The supporting bracket 40 is formed by integrally bending side plates 42 and 43 on both side edges of a back plate 41 and a bottom plate 44 on a lower edge. Each side plate part 42, 43
A pair of protrusions 26a on both sides of the protective case 22;
Engagement grooves 45a, 45b into which 26b are engaged are formed. The support fitting 40 is fastened and fixed by a plurality of screws 46 from the inside of the main body 1a.

FIG. 3 is an enlarged cross-sectional view of a mounting portion of the control board section 20 described above. In the figure, 35 is the main body 1
a back plate 35, and a support fitting 40 is provided on the inner wall surface of the back plate 35.
The control board unit 20 is attached via the. When the control board unit 20 is pulled up, the protrusions 2 on both sides of the engagement grooves 45a and 45b on both sides of the support fitting 40 are formed.
Since the 6a and 26b escape, it is possible to remove them. However, it is necessary to fix the baffle plate 50 to the back plate 35 of the main body 1a with screws so as to close the removal direction of the control board 20. Thus, the removal of the control board unit 20 is regulated. The baffle plate 50 may be directly attached to the back plate 35 as in this embodiment, or may be attached with an attachment member interposed therebetween.

The baffle plate 50 constitutes a removal restricting mechanism A for restricting unauthorized removal of the control board section 20, and has a width substantially matching the protective case 22 of the control board section 20, It is fixed with screws 51 so as to cover the upper surface of the protective case 22. A transparent plate 52 that constitutes a part of the baffle plate 50 is connected to the tip of the baffle plate 50 so that the control board unit 20 can be seen through. This transparent plate 52
As shown in FIG. 4, the leading edge extends to a position covering the connector 27 fitted in the rectangular hole 25 of the protective case 22. The lead wire 28 of the connector 27 is led downward through the inside of the transparent plate 52.

An engaging member 57 is provided between the baffle plate 50 and the protective case 22 of the control board portion 20 to engage with each other to make it difficult to remove the baffle plate 50. The illustrated engaging member 57 includes hooks 58 attached to both end surfaces of the baffle plate 50 and protruding shafts 59 projecting from both side surfaces of the protective case 22, respectively. The hook 58 is engaged with the protruding shaft 59. Baffle board 5
In order to remove 0, it is necessary to release the engagement between the hook 58 and the protruding shaft 59, which makes it more difficult to remove the baffle plate 50.

In the above embodiment, the baffle plate 50 is moved in the direction in which the control
Although only the upper part of the control board unit 20 is covered, as shown in FIGS. In this embodiment, the baffle plate 50 is formed of a transparent material so that the control board unit 20 can be seen through, and a drawing hole 53 for drawing out the lead wire 28 of the connector 27 is formed on the upper surface of the baffle plate 50. It has been established.

Since the baffle plate 50 in the illustrated example has a form in which both side surfaces are open, the upper end edge and the lower end edge are fixed to the inner wall surface of the back plate 35 of the main body 1a with screws 51. As shown by the dashed line, if both sides are closed, the four sides of the baffle plate 50 can be fixed with screws 51, and the removal of the baffle plate 50 becomes more troublesome.

Returning to FIG. 3, the presence or absence of the baffle 50 is determined.
It is constantly monitored by the sensor 54. In this embodiment, the sensor 54 includes a photoelectric sensor 54a attached to the back plate 35 of the main body 1a and a shutter 54b attached to the back surface of the baffle plate 50. When the baffle 50 is attached, the shutter 54b is
The optical path of 4a is blocked. When the baffle 50 is removed,
Since the shutter 54b opens the optical path of the photoelectric sensor 54a, the removal of the baffle plate 50 is detected, and the shutter 54b
A detection signal is output.

The detection signal is taken into a control circuit 60 mounted on the control board section 20 as shown in FIG. 8, and the control circuit 60 operates an alarm 61 in response to the detection signal input. Output a control signal for causing the The control signal is supplied to a power supply control unit 62 housed in the power supply box 12, and the power supply control unit 62 receives the control signal, supplies power to the alarm 61, and is provided at an appropriate position in the slot machine. The alarm buzzer 63 and the alarm lamp 64 are activated. The detection signal is supplied to the power supply control unit 62.
The operation of the alarm 61 may be controlled in such a manner as to take in. In this embodiment, the alarm 61 is activated when the removal of the baffle plate 50 is detected.
The game operation may be restricted by, for example, disabling the medal insertion operation or the operation of the start lever 6. In this embodiment, the sensor 54 monitors the presence or absence of the baffle plate 50 to detect the removal of the baffle plate 50. However, the same sensor monitors the presence or absence of the control board unit 20 and Can also be detected.

The electric wiring 65 of the sensor 54 may be illegally disconnected. In this embodiment, a disconnection detecting section 66 is provided. The disconnection detecting unit 66 is connected to the electric wiring 6.
5 is disconnected, the disconnection detection signal is sent to the control circuit 60.
Output to The control circuit 60 outputs a control signal for stopping power supply to the power supply control unit 62 in response to the input of the disconnection detection signal. When receiving the control signal, the power supply control unit 62 operates the power supply switching unit 67 to disconnect the commercial power supply circuit 68, thereby disabling the machine.

When a power switch (not shown) is turned off, the power supply control section 62 operates the power switching section 67 to switch from the commercial power supply to the battery 75, and the baffle plate 50 by the sensor 54. Monitoring can be continued. In the drawing, reference numeral 69 denotes a reset switch which can be operated from the back side of the main body 1a, and is used for a return operation when the power supply line is disconnected. When the reset switch 69 is pressed, the power supply switching section 67 operates to set the battery-driven state.

In the figure, reference numeral 70 denotes a sensor control device which can set the sensor 54 to either the sensitive state or the sensitive stop state for maintenance and inspection. 1a is provided with an infrared light receiving section 71,
By irradiating the light receiving section 71 with infrared rays by the remote control section 72, the switching circuit 73 is switched and the sensor 54 is set to either the sensitive state or the sensitive stop state. The remote control unit 72 has a configuration capable of setting a security code.
When the control unit 74 of 0 determines that the codes match, the switching operation of the switching circuit 73 is performed. Note that the sensor control device 71 is not limited to the above-described configuration, and may be configured so that a central computer that monitors the entire hall can set the state of the sensor 54 via a communication line.

FIGS. 9 and 10 show another embodiment of the present invention, in which the control board section 20 is fixedly fastened to the inner wall surface of the back plate 35 of the machine body 1 from outside by using a stopper 80. FIG. I have. In the illustrated example, the control board unit 20 is fixedly fixed to the back plate 35, but may be fixedly fixed to the side plates 33 and 34. In the embodiment of FIG. 9, a screw 81 is used as the stopper 80, and in the embodiment of FIG.
Are used respectively. According to these embodiments, compared to the above-described embodiment using the baffle plate 50, it is possible to make it difficult to take out the control board unit 20 and replace the chip components at a lower cost. it can.

In the embodiment shown in FIG. 9, through holes 84 and 85 are respectively formed in the back plate 35 and the back plate 41 of the support fitting 40, and screw holes 86 for screwing are formed in the protective case 22 of the control board section 20. I have. The control board unit 20 is fixedly fixed to the inner wall surface of the back plate 35 by inserting a screw 81 from the outside of the back plate 35 into the through holes 84 and 85 and screwing a screw tip into a screw hole 86.

In the embodiment shown in FIG. 10, the protective case 22 of the control board section 20 is directly fastened and fixed to the inner wall surface of the back plate 35, and the head 82a of the bolt 82 is attached to the protective case 22.
By inserting the bolt shaft portion 82b into the through hole 87 provided in the back plate 35 from the inside and screwing the nut 83 into the bolt shaft portion 82b from the outside of the back plate 35, the control board portion 20 is attached to the back plate 35. Fasten to the inner wall surface. Note that FIG.
In the figure, reference numeral 88 denotes a manual insertion hole for maintenance and inspection work provided near the place where the control board section 20 is fixed, and a door 89 with a lock which can be opened and closed inward is attached to the manual insertion hole 88. By inserting a hand and a tool through the manual insertion hole 88, the nut 83 can be removed without moving the machine.

FIG. 11 shows another embodiment using an electric lock mechanism 90. A pair of electromagnetic solenoids 90a, 90a,
90b is attached to hold the control board unit 20 at the attachment position. Each electromagnetic solenoid 90a, 9
0b is a rod 91 that is inserted into a lock hole 92 formed in the protection case 22 of the control board unit 20 when it is urged or deenergized.
Engage with each other to lock the protection case 22. In addition,
The electric lock mechanism 90 of this embodiment also detects when the wiring is improperly cut and performs an alarm process, and unlocking of the electric lock mechanism 90 can be performed by remote control. It is desirable to do.

However, in the slot machine having the above-described configuration, when the control board section 20 is taken out and the chip component is to be replaced illegally, the removal direction of the control board section 20 is blocked by the baffle plate 50. Therefore, the control board unit 20 cannot be removed unless the baffle plate 50 is removed.
Moreover, the baffle plate 50 is secured to the protective case 2 by the engagement member 57.
It is not easy to remove because it is engaged with 2.

Even if the baffle plate 50 is removed, the sensor 54 detects the removal of the baffle plate 50 and the alarm 61 performs an alarm operation, so that it is difficult to perform illegal acts such as replacement of parts.
When monitoring the presence or absence of the control board unit 20 with a sensor,
When the control board unit 20 is removed, the sensor detects the removal of the control board unit 20, and the alarm 61 performs an alarm process.

In the embodiment shown in FIGS. 9 and 10, the control board portion 20 is fixed to the inner wall surface of the back plate 35 of the body 1 from outside the machine by a stopper 80 such as a screw 81, a bolt 82, and a nut 83. Therefore, when many machines are installed, the stopper 80 cannot be removed unless the machines are moved. In the embodiment of FIG. 11, since the control board unit 20 is held at the mounting position by the electric lock mechanism 90,
Unless the lock is released, the control board unit 20 cannot be removed.

Although each of the above embodiments is directed to a case where the printed circuit board 21 on which the control circuit is mounted is housed in the protective case 22, the printed circuit board not housed in the protective case is also applicable. The mounting of the baffle plate 50, the installation of the sensor 54, the backing structure by the stopper 80, and the holding by the electric lock mechanism 90 can be realized. In addition, by appropriately combining the fraud prevention means of the above embodiments,
The function of preventing fraud can be further enhanced.

[0042]

According to the first aspect of the present invention, since the baffle plate is provided on the inner wall surface of the fuselage so as to close at least the removal direction of the control board portion, the removal of the control board portion is not easy, and the replacement of parts, etc. It becomes difficult to perform wrongdoing, and the occurrence of wrongdoing can be prevented.

According to the second aspect of the present invention, since the engaging member is provided between the baffle plate and the protection case of the control board portion, it is not easy to remove the baffle plate and fraudulent acts such as replacement of parts are further performed. No.

According to the third aspect of the present invention, since the sensor for detecting the presence or absence of the baffle plate and outputting a detection signal for notifying the removal of the baffle plate is provided, the sensor is provided even if the baffle plate is removed. Detects and notifies the user of the removal of baffle plates, making it difficult to perform illegal activities such as replacing parts.

According to the fourth aspect of the present invention, the control board section is fixed to the inner wall surface on the rear side or the side surface of the machine body from outside the machine by the stopper, so that the machine can be moved when a large number of machines are installed. Unless it is not possible to remove the fasteners, it is difficult to perform wrongdoing such as replacing parts.

According to the fifth aspect of the present invention, since the sensor for detecting the presence or absence of the control board unit and outputting a detection signal for notifying the removal of the control board unit is provided, the control board unit is temporarily removed. In addition, since the sensor detects and informs of the removal of the control board unit, it is difficult to perform an illegal act such as replacement of parts.

According to the sixth aspect of the present invention, since the lock mechanism for holding the control board portion at the mounting position is provided, the control board portion cannot be removed unless the lock is released, and it is difficult to perform an illegal act such as component replacement.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an appearance of a slot machine in which the present invention is implemented.

FIG. 2 is an exploded perspective view of the slot machine showing a mounting structure of a control board unit.

FIG. 3 is an enlarged sectional view showing an attached state of a control board unit.

FIG. 4 is a front view showing an attached state of a control board unit.

FIG. 5 is a perspective view showing another embodiment of the baffle plate.

FIG. 6 is a front view showing an attached state of the baffle plate of FIG. 5;

FIG. 7 is a cross-sectional view showing an attached state of the baffle plate of FIG.

FIG. 8 is a block diagram showing an electrical configuration of the slot machine.

FIG. 9 is an enlarged sectional view showing a backing structure of a control board portion according to another embodiment of the present invention.

FIG. 10 is an enlarged cross-sectional view showing another embodiment of the backing structure of the control board unit.

FIG. 11 is a partially cutaway front view showing another embodiment of the present invention using an electric lock mechanism.

FIG. 12 is a perspective view showing a configuration of a conventional control board unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 20 Control board part 21 Printed circuit board 22 Protective case 50 Baffle plate 54 Sensor 57 Engaging member 80 Stopper 81 Screw 82 Bolt 83 Nut 90 Electric lock mechanism

Claims (6)

[Claims] An electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of a body, wherein the inside of the body is provided to regulate removal of the control board section. An electronic game machine, comprising: a baffle plate attached to an inner wall surface of an airframe so as to close at least a removal direction of the control board unit. 2. An electronic amusement machine in which a control board portion including a printed circuit board on which a control circuit is mounted and a protective case for housing the printed circuit board is detachably mounted on an inner wall surface of the body. Inside the body, a removal regulation mechanism for regulating removal of the control board unit is provided, and the removal regulation mechanism of the body is configured to close at least the removal direction of the control board unit. A baffle attached to the inner wall,
An electronic amusement machine comprising an engagement member provided between the baffle plate and the protection case of the control board. 3. An electronic amusement machine having a control board portion on which a control circuit is mounted removably mounted on an inner wall surface of the body, wherein the body includes a body for restricting removal of the control board portion. A removal control mechanism is provided, the removal control mechanism includes a baffle plate attached to an inner wall surface of the body so as to block at least a removal direction of the control board unit,
An electronic amusement machine comprising: a sensor for detecting the presence or absence of the baffle plate and outputting a detection signal for notifying removal of the baffle plate. 4. An electronic amusement machine in which a control board section on which a control circuit is mounted is detachably attached to an inner wall surface of the body, wherein the control board section is provided on a rear side or side face of the body by a stopper. An electronic game machine that is fixed to the inner wall from outside the machine. 5. An electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of a body, wherein the presence or absence of the control board section is detected inside the body. An electronic amusement machine provided with a sensor for outputting a detection signal for notifying removal of a control board unit. 6. An electronic game machine in which a control board section on which a control circuit is mounted is detachably mounted on an inner wall surface of a body, wherein the control board section is held on a mounting plate inside the body. An electronic game machine provided with a lock mechanism.