JPH0337669Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field]

This invention relates to a security device for pachinko machines that can deal with various types of fraudulent acts on pachinko machines, and in particular to a security device that can distinguish between opening of a window frame (metal frame) by a hall employee and opening of a window frame by fraudulent acts.

[Conventional technology]

In the past, every time the key was stolen, the lock was replaced with a new one to prevent fraudulent activity. In addition, in order to prevent fraudulent acts caused by forcing the window frame to open, the company was equipped with an alarm device that activated when the window frame was opened, but it was not possible to open the window frame legitimately by an employee or to open the window frame due to fraudulent activity. There was no technology to distinguish between them.

[Problem that the idea aims to solve]

Traditionally, in pachinko halls, even if a stolen key were used to open the window frame, tamper with the nails on the internal game board, or illegally release prizes, it would be extremely difficult to detect and the problem would be immediately dealt with. unable to cope,
Also, the lock and key had to be replaced with a new one every time the car was stolen. In addition, even if an alarm device is installed that activates when the window frame is opened to prevent such fraudulent acts, hall employees frequently open the window frame to remove balls stuck on nails. In order to open the door, the alarm device had to be manually deactivated each time, which was very time-consuming.
However, if you forget to turn off the alarm switch and open the window frame, the alarm will be a false alarm, and if you forget to connect it, the alarm will be disabled, which is a great inconvenience as it will be impossible to tell whether the window frame was opened legitimately or by fraudulent activity. It was hot.

[Means to solve the problem]

This invention was developed as a result of intensive research to solve the above-mentioned conventional drawbacks, and it sets a common encryption key number for each key with a sensed element and lock with a sensing element, and prevents keys from being lost. A sensor switch is installed to change the encryption key number when the key is lost, to prevent unauthorized access due to a lost key. In addition, an alarm control relay is installed to distinguish between cases where the window frame is forcibly opened without a key and official opening by a hall employee, and an alarm control relay is installed to prevent the alarm from operating in the case of official opening. At the same time, it only detects opening of the window frame due to fraudulent activity and enables quick response. In other words, the structure consists of a lock sensor which is provided on the top of the pachinko machine itself or the mounting frame of each pachinko machine and has a sensing element for detecting the code key number, and each sensing element of each lock sensor is connected to the code key of the pachinko machine. A sensor switch whose setting can be arbitrarily changed as a number at a command location, a key having a sensed element corresponding to the encryption key number and which can be set to any encryption key number, and each pachinko machine equipped with the lock sensor. The machine's window frame locking device, the alarm microswitch that closes when the window frame is opened, and the encryption key number of each lock sensor are compared with the encryption key number of the key, and both encryption key numbers match. a comparison circuit that outputs a coincidence signal at the same time; an output circuit that inputs the coincidence signal output from the comparison circuit and outputs an unlocking signal for unlocking the window frame; and an output circuit that inputs the unlocking signal and operates. and an alarm control relay, the alarm control relay having an unlocking contact that is operated to close upon input of an unlocking signal from the output circuit, and an alarm control relay that is operated to open in response to the closing operation of the unlocking contact. By applying the key to the lock sensor part, the encryption key number is automatically read, and only when it matches the set encryption key number, the comparison circuit outputs a matching signal to the output circuit, and the coder The locking contact is closed and the alarm unlocking contact is opened to release the window frame lock and the alarm device, and when the alarm release contact and the alarm microswitch are closed, the alarm unlocking contact is opened. Another feature is that the alarm device is only activated.

[Effect]

When the key is placed on the lock sensor, the lock sensor reads the encryption key number of the key, and a comparison circuit determines whether or not the encryption key numbers match.
If it is determined that they match, a matching signal is output from the comparison circuit to the output circuit, and the output circuit outputs an unlocking signal to the unlocking contact, thereby unlocking the window frame. At this time, the unlocking contact is closed and at the same time the alarm release contact is opened, and the alarm is released. Additionally, if you lose the key, you can operate each switch in the sensor switch to recombine the code, and even if a stolen key is applied to the lock sensor, the comparison circuit will not output a matching signal, allowing the lock to be unlocked. The relay switch does not close and the window frame cannot be opened. Furthermore, the alarm release contact is normally closed except when the code key number matches, so if you force the window frame to open, the alarm microswitch closes and the alarm device is activated, allowing the window frame to be opened normally. It is possible to distinguish between the window opening due to fraud and the release of the window frame due to fraudulent activity, and prompt action can be taken.

【Example】

Next, to explain in detail an example of the implementation of this invention shown in the drawings, 1 is a plurality of units installed in parallel on a mounting frame (commonly called an island) (only one unit is shown in Figure 1). At the pachinko machine of
2 is the window frame, 3 is the hook for opening/closing the window frame 2,
The plunger 4' of the electromagnet 4 is engaged with a pivoted lever 5 at its tip. When the solenoid of the electromagnet 4 is energized and energized, the lever 5 rotates in a chain line pattern to remove the hook 3 and release the window frame lock, and conversely, when the solenoid is demagnetized, it automatically A window frame locking device L is constructed in which the window frame is locked. Next, on the upper part 6 of the mounting frame of each of the plurality of pachinko machines 1, there are a plurality of sensing elements 8 at respective corresponding positions that can read a cryptographic key number based on a physical quantity (magnetic force), etc., which will be described later, and convert it into an electrical quantity.
Lock sensors 7 having a, 8b, . . . , 8d are provided, respectively. Each sensing element 8a, 8b...8d of each sensor 7 is connected to a plurality of switches 10a, 10 provided at an arbitrary command location (such as a command room).
By operating a sensor switch 9 having numbers b...10d, the encryption key number for all pachinko machines 1 can be changed arbitrarily. Next, 12 is a key that can arbitrarily set each sensed element 13a, 13b, . . . 13d corresponding to a key number. Further, by increasing the sensing elements of the lock sensor and the corresponding sensing elements of the sensor switch and key, the combinations are infinite. In the drawing embodiment, the sensed element 1 of the key 12 is
The lock sensor 7 system uses magnets (N, S poles) as 3a, 13b...13d and converts physical quantities into electrical quantities, but various other types of light rays can be used as sensing elements to convert physical quantities into electrical quantities. Of course, various sensor systems using physical quantity phenomena such as electronic temperature, pressure, etc. can be used. Reference numeral 11 denotes an alarm control relay for an alarm device 16 such as an alarm buzzer and an alarm lamp, and its alarm microswitch 17, and is provided with an unlocking contact X and an alarm canceling contact Y. Next, the comparison circuit 18 has OR gates a to b and a NOR gate A,
The code numbers held by the key 12 and the lock sensor 7 are compared, and when they match, a match signal is output to the output circuit 19 at the next stage. The output circuit 19 has a transistor 15, and outputs an unlocking signal to the unlocking contact X when a match signal is input. The unlocking contact
4 to energize. The alarm canceling contact Y opens at the same time as the unlocking contact X closes. Additionally, the alarm microswitch is linked to the opening and closing of the window frame, and closes when the window frame is opened. Next, the usage of this invention will be explained mainly with reference to the circuit diagram shown in FIG. 2. First, the sensor switch 9 is operated at the command point to set the encryption key number of all the pachinko machines 1. For example, turn on switches 10a, 10b, 10d in sensor switch 9,
If only the switch 10c is turned OFF, this becomes the code key number, and each sensing element 8 of each lock sensor 7 on the top of each mounting frame 6 of each pachinko machine 1
They are set to a, 8b, 8c, and 8d. That is, in this case, the gates of sensing elements 8a, 8b, and 8d are ON, and the gate of sensing element 8c is OFF. Next, the four magnets, which are the sensed elements of the key 12, are exchanged and arranged to correspond to the combination of the sensing elements of the lock sensor 7. That is, the sensed elements 8a, 8b, and 8d are set as N poles (ON), and the sensed element 8c is set as S pole (OFF).
With the above steps, the encryption key numbers for the day are determined for both the lock and the key, and the setting is complete. Therefore, when opening the window frame 2 of the desired pachinko machine 1, when the key 12 is applied to the lock sensor 7, the lock sensor 7 detects the sensed element 1 of the key 12.
3a to 13d are read and compared by OR gates a, b, c, and d in the comparison circuit 18 to determine whether the arrangement is the same as that of the sensing elements 8a to 8d of the lock sensor 7. If they are the same, OR gate a,
Each output of b, c, and d is input to NOR gate A. Therefore, the coincidence signal from the NOR gate A becomes the base current of the transistor 15 in the output circuit 19, and the amplified current flows from the base in the direction of the arrow to the emitter E, and the unlocking contact X in the alarm control relay is closed. The electromagnet 4 is energized, the window frame locking device L is released, and the window frame 2 can be opened. At the same time, the alarm release contact Y is opened, so the alarm device 1
6 does not work. Therefore, it is possible to clearly distinguish between legitimate release by hall employees and release due to fraudulent acts, and only release due to true fraud can be detected at an early stage. Now, if the key 12 is stolen, you can immediately operate the sensor switch 9 to change the encryption key number, and change the sensing elements 8a to 8d of the lock sensor 7 accordingly. 12, the arrangement of the sensed elements 13a to 13d of the key 12 and the arrangement of the sensing elements 8a to 8d of the lock sensor 7 do not match, so no matching current flows from the comparison circuit 18 to the output circuit 19. do not have. Therefore, the window frame locking device L and the alarm device 16
is not affected in any way and does not operate. If the hall employee properly closes the window frame 2 and releases the key 12 from the lock sensor 7, the window frame lock device L and the circuits of each alarm device will be restored to their normal states.

[Effect] By using the recombinant security key device for a pachinko machine according to the present invention, the encryption key number can be easily and quickly changed, thereby preventing unauthorized opening of the window frame using a lost key. Moreover, there is no need to replace the key and lock every time the key is lost. Furthermore, since it is possible to clearly distinguish between the legitimate opening of the window frame by a hall employee and the opening of the window frame due to fraudulent activity, fraudulent activity can be detected early and prompt countermeasures can be taken. As described above, the present invention is an excellent invention that can easily and reliably prevent crime in pachinko machines, and its effects are great.

[Brief explanation of drawings]

The drawings show an embodiment of this invented device, and FIG. 1 is an explanatory diagram of the main parts, and FIG. 2 is a circuit connection diagram. 1...Pachinko machine, 2...Window frame, 3...Hook, 4...Electromagnet, 4'...Plunger, 5...
Lever, 6...Top of mounting stile, 7...Lock sensor,
8a-8d...Sensing element, 9...Sensor switch, 10a-10d...Switch, 11...Alarm control relay, 12...Key, 13a-13d...
Sensed element, 14...Positive power supply, 15...Transistor, 16...Alarm device, 17...Alarm microswitch, 18...Comparison circuit, 19...Output circuit, A...NOR gate, a to d ...OR gate, L...window frame locking device, R...resistance, X...
Contact for unlocking, Y...Contact for canceling alarm.

Claims (1)

[Scope of utility model registration request] A lock sensor is provided at the top of the pachinko machine itself or the mounting frame of each pachinko machine and has a sensing element for detecting a code key number, and each sensing element of each lock sensor is used as the code key number of the pachinko machine at any command location. a sensor switch whose settings can be changed to 1, a key having a sensed element corresponding to the encryption key number and which can be set to any encryption key number, and a window frame locking device for each pachinko machine in which the lock sensor is interposed. and an alarm microswitch that closes when the window frame is opened, compares the coded key number of each lock sensor with the coded key number of the key, and outputs a matching signal when both coded key numbers match. A comparison circuit, an output circuit that inputs a matching signal output from the comparison circuit and outputs an unlocking signal for unlocking the window frame, and an alarm control relay that operates by inputting the unlocking signal. The alarm control relay includes an unlocking contact that is operated to close upon input of an unlocking signal from the output circuit, and an alarm release contact that is operated to open in response to the closing operation of the unlocking contact, and By applying the key to the lock sensor part, the encryption key number is automatically read, and only when it matches the set encryption key number, a matching signal is output from the comparison circuit to the output circuit, and the unlocking contact is closed. At the same time, the alarm unlocking contact operates to open,
A crime prevention device for a pachinko machine, characterized in that a window frame lock and an alarm device are released, and the alarm device is activated only when the alarm release contact and the alarm micro switch are closed. Device.