JPH10165628A - Game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a game machine that does not make a player invest a large sum of money without getting a jackpot over a long period. SOLUTION: A probability changing part 70 counts the number of screen plays executed since the previous jackpot, and enhances gradually the probability with which the jackpot. occurs according to the number. A probability indicating part 40 informs the player of the current probability of a jackpot using a difference in display color, etc. Not only the probability of a jackpot increases as the game continues, but also the player can objectively determine whether or not to continue the game based on the probability indicated, so that the player can be prevented from suffering a great loss without getting a jackpot at all.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention executes a predetermined screen game based on winning of a ball hit on a game board into a specific winning opening, and a special game advantageous to a player when the execution result is a hit. Related to gaming machines that provide value.

[0002]

2. Description of the Related Art Conventional gaming machines display a screen game such as a symbol matching game on a liquid crystal display when a ball is won in a specific winning opening, and when a specific symbol is aligned, a special value advantageous to the player is obtained. There is a so-called fever machine for applying.

[0003] In such a gaming machine, the probability of winning in a screen game is usually fixed to a fixed value, or the probability of winning in the next and subsequent times is one of special values to be given when a hit occurs. It is set higher temporarily.

[0004]

However, in such a conventionally used gaming machine, the probability of hitting is controlled so that the average value seen over a long period of time is constant. May not appear at all. Even if the player does not come for a long time,
It is easy to have a sense of expectation that if you continue playing a little more, you will always win, so there is a problem that a large amount of investment may be made without hitting.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and is intended to reduce the occurrence of a situation in which a player makes a large investment without being hit for a long time. The purpose is to provide a gaming machine that can do.

[0006]

The gist of the present invention to achieve the above object lies in the following inventions. [1] A predetermined screen game is executed based on the winning of the ball hit on the game board surface (11) into the specific winning opening (12), and a special value advantageous to the player when the execution result is a hit. In the gaming machine (10) to be awarded, when a ball wins in the specific winning opening (12), the screen game control means (60) for executing the predetermined screen game and the screen game control means (60) perform. Probability changing means (70) for changing the probability of a hit in a screen game in accordance with the progress of the game, and displaying to the player the current probability of a hit in the screen game performed by the screen game control means (60) A gaming machine (10), characterized in that the gaming machine (10) comprises:

[2] The probability changing means (70) increases the probability of the hit in accordance with the number of screen games executed after the previous hit in the screen game [1]. A gaming machine (10) as described.

[3] The probability changing means (70) increases the probability of the hit in a stepwise manner every time the number of screen games executed after the last hit in the screen game increases by a predetermined number. A gaming machine (10) according to [1] or [2], characterized in that:

[4] The probability display means (40) indicates the probability of hitting at the present time by a difference in a display color presented to a player [1],
The gaming machine (10) according to [2] or [3].

The present invention operates as follows. The screen game control means (60) executes a predetermined screen game every time a ball wins the specific winning opening (12). The probability changing means (70) changes the probability of winning in the screen game in accordance with the progress of the game, and the probability display means (40) displays the current probability of hitting to the player.

[0011] For example, the probability changing means (70) increases the probability of winning in accordance with the number of screen games executed since the previous hit in screen games. As a result, the probability of hitting gradually increases as the state of no hitting continues, so that it is possible to reduce a situation in which the player loses excessively without any hit. In addition, since the current probability is displayed, the player can objectively judge the possibility of hitting, and continue playing until the player makes a large investment based on subjective expectations Can be reduced.

The probability of hitting at the present time is
Since the difference is represented not by the numerical value itself but by, for example, the color of the display lamp, the player can easily and intuitively recognize the probability of hitting.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. Each drawing shows one embodiment of the present invention. As shown in FIG. 2, the gaming machine 10 according to the present invention is a pachinko machine that launches a ball by rotating a handle 14 and competes for winning a ball into various winning ports. Note that the gaming machine 10 according to the present invention can be applied to various game machines that use a ball as a game medium, such as an arrangement ball machine.

The gaming machine 10 is provided with a gaming board surface 11 as a place where a hit ball flows down. The game board surface 11 is provided with a winning opening, various kinds of accessories, obstacle nails, an out opening, and the like. At a substantially central portion of the game board surface 11, a variable display means 20 as a central accessory for displaying a symbol matching game is provided.

Here, a color liquid crystal display is used as the variable display means 20.
At the top, a game that looks like a slot machine is displayed. In addition, a monochrome liquid crystal display or a CRT display can be used as the variable display means 20.

Below the variable display means 20, there is provided a specific winning opening 12 generally called a starter chucker. With the ball winning the special winning opening 12,
On the variable display means 20, a symbol matching game as a slot machine is executed.

Further below the specific winning opening 12, there is provided a special value generating means 30 for generating a special value advantageous to the player when a hit occurs in the symbol matching game.
The special value generating means 30 is a variable winning opening that is normally closed, but opens and closes the winning opening a plurality of times when a winning occurs in the symbol matching game to increase the winning probability of the ball.

At the lower part of the game board surface 11, a front plate 15 for holding a ball to be used for a game is further provided.
A lower plate 16 is provided for receiving a ball overflowing from the bottom plate.
On the right side of the lower plate 16 is provided a handle 14 for operating the firing of a ball.

The variable display means 20 on the game board surface 11
Above is provided a probability display section 40 for displaying the current probability of occurrence of a hit based on a difference in color. The probability display unit 40 includes a plurality of light emitting diodes so as to emit red, green, and yellow colors. A control circuit for controlling various operations of the gaming machine 10 is mounted on the inside of the machine such as on the back surface of the game board 11.

FIG. 1 shows an outline of a circuit configuration of a gaming machine 10 according to an embodiment of the present invention. The specific winning opening 12 includes a winning detection switch 13 for detecting a winning ball. The prize detecting switch 13 may be a mechanical switch, an optical sensor that detects a prize when light is blocked by a ball, or a magnetic sensor that detects a change in a magnetic field due to the passage of a ball. it can.

The winning signal 51 output from the winning detection switch 13 when a winning of the ball is detected is transmitted to the variable display means 20.
Has been input to the screen game control means 60 for controlling the scrolling operation of the numbers displayed in. Screen game control means 60
Is provided with lottery means 61 for performing random lottery by a random number generator (not shown).

The screen game control means 60 develops a number matching game as a slot machine on the variable display means 20 from the time when the winning signal 51 is inputted, and the lottery means 6
When the result of the lottery performed in step 1 is a hit, the state where the numbers "777" are aligned is displayed, while when the result of the lottery is not aligned, the state where the numbers are not aligned is displayed as the execution result of the number matching game.

The screen game control means 60 outputs a lottery result signal 52 indicating the result of the lottery. The signal 52 is input to the special value generating means 30 and the probability changing unit 70.

The probability changing section 70 is a circuit portion having a function of changing the probability of winning in the symbol matching game according to the progress of the game. The probability changing unit 70 changes the appearance probability of the hit each time the count value of the execution number counting unit 71 increases by a predetermined amount, and an execution number counting unit 71 that counts the number of times the symbol matching game has been executed since the last hit. And
A display color changing unit 72 that changes the display color of the probability display unit 40 according to the changed probability.

The special value generating means 30 has an attacker 31 as a large winning opening which is closed in a normal state, but is opened when a special value advantageous to a player is given. The solenoid 32 is driven to open and close.

When a predetermined game state is reached, the attacker 31 opens and closes for a predetermined period of time (for example, 29 seconds) and then closes for a short period of time (about 2 seconds). The initial value of the number of times of opening and closing (number of rounds) is set to 16 times.

The screen game control means 60, the probability changing section 70, etc. are provided with a CPU (Central Processing Unit) which performs a central function of various controls in the gaming machine 10, and a ROM (Read Only).
Memory) and a circuit having a RAM (random access memory) as a main part.

The ROM stores various kinds of fixed data such as programs executed by the CPU and symbols of displayed numbers. The RAM is a work memory for storing data temporarily required for executing a program.

Next, the operation flow of the gaming machine 10 will be described. FIG. 3 shows a flow of an operation performed by the gaming machine 10. When the ball wins the specific winning opening 12 (step S101; Y), the winning signal 51 is displayed on the screen game control means 6.
0, and in response to this, the screen game control means 60
The symbol matching game is developed by the variable display means 20 (step S102).

That is, the pattern of the numbers displayed on the variable display means 20 is scrolled in the range of "0" to "9" to start the number matching game as a slot machine, and the lottery means 61 A lottery is performed, and the scroll operation of the symbols is stopped according to the result of the lottery.

When the execution result of the number matching game is out of range (step S103; N), the execution number counting section 71 adds "1" to the counted value, and performs the number matching executed after the last hit. The number of game executions is counted (step S104). When the count value of the execution number counting unit 71 has increased by the specified number of times (step S105; Y), the probability of winning by the winning signal 51 is changed by one step higher (step S106), and according to the changed probability. The display color of the probability display unit 40 is changed (Step S107).

Here, if the number matching game has been performed 200 times since the last hit, the probability that was 1/350 was changed to 1/250, and the probability that it was red until then was changed. The display color of the display unit 40 is changed to green.

Thereafter, if the number matching game is performed 200 times without further hitting, the probability of hitting is 1
The display color of the probability display unit 40 is changed from green to yellow while increasing to 1/00.

On the other hand, if a hit occurs in the number matching game (step S103; Y), the execution number counting section 71
Is initialized to "0" (step S108), and the probability is returned to the initial value of 1/350 (step S109). Then, the display color of the probability display unit 40 is changed to red corresponding to the initial probability.

In the embodiment described above, the probability is increased to three levels each time the number matching game is executed a predetermined number of times without hitting, and the probability at the present time is determined by the colors of red, green and yellow. Is displayed to the user, but the number of steps may be increased and the probability may be increased in smaller increments. Further, the difference in probability is represented by a color, but it is also possible to display the difference by another method. For example, the probability can be displayed by directly displaying a numerical value or by changing the number of lamps to be turned on.

[0036]

According to the gaming machine of the present invention, the probability of hitting increases according to the number of screen games executed after the previous hitting, and furthermore, the probability at the present time is displayed by displaying the probability at the present time. It is possible to objectively determine whether or not to continue the game, and it is possible to reduce the occurrence of a situation in which the player is not hit at all and an excessive loss is given to the player.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an outline of a circuit configuration of a gaming machine according to one embodiment of the present invention.

FIG. 2 is a front view showing the gaming machine according to one embodiment of the present invention.

FIG. 3 is a flowchart showing a flow of an operation performed by the gaming machine according to the embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Game machine 11 ... Game board surface 12 ... Specific winning opening 13 ... Winning detection switch 14 ... Handle 15 ... Front plate 16 ... Lower plate 20 ... Variable display means 30 ... Special value generation means 31 ... Attacker 32 ... Solenoid 40 ... Probability display Part 51 ... Winning signal 52 ... Lottery result signal 60 ... Screen game control means 61 ... Lottery means 70 ... Probability changing part 71 ... Execution number counting part 72 ... Display color changing part

Claims (4)

[Claims] 1. A gaming machine that executes a predetermined screen game based on a winning of a ball hit on a game board into a specific winning opening, and gives a special value advantageous to a player when the execution result is a hit. In the above, when a ball is won in the specific winning opening, a screen game control means for executing the predetermined screen game, and a probability of hitting in a screen game performed by the screen game control means is changed according to the progress of the game. A gaming machine comprising: a probability changing unit; and a probability display unit that displays, to a player, a probability at the present time that a screen game played by the screen game control unit hits. 2. The probability changing means according to claim 1, wherein the probability changing means increases the probability of the winning in accordance with the number of screen games executed after the previous winning in the screen game.
The gaming machine described. 3. The probability changing means increases the probability of hitting in a stepwise manner every time the number of screen games executed after the last hit in the screen game increases by a predetermined number. The gaming machine according to claim 1. 4. The gaming machine according to claim 1, wherein said probability display means indicates the probability of hitting at the present time by a difference in a display color presented to a player.