Amusement devices: games – Surface projectile game; game element – Ball games
Patent
1994-12-01
1997-02-25
Harrison, Jessica
Amusement devices: games
Surface projectile game; game element
Ball games
273121A, A63F 702
Patent
active
056053290
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a sensor, and a metal body detecting apparatus employing the sensor for detecting the position of a metal body and a sensing matrix assembly, and more particularly to a sensing matrix assembly formed of a plurality of transmission lines and a plurality of reception lines so as to arrange detecting points in a matrix, and a metal body detecting apparatus for detecting the presence of a metal body and the location thereof by employing the sensing matrix.
DESCRIPTION OF THE RELATED ART
In some cases it is necessary to detect the location of a metal body in a predetermined region, especially within a plane region. By way of an example of such cases, the movement course of a metal body in the plane region may be detected. In other cases, when metal bodies are distributed within a region, a distribution pattern of the metal bodies may be detected. As an example of the former cases, the movement course of a game playing medium in a game machine may be detected.
Some of the game machines are such that a metal body, for example, a metal ball, is moved within a specified space which has been provided in the game machine, and that the prize is determined according to the reached position of the ball. A typical example of such a game machine is a pachinko game machine with which a game player lets a metal pachinko ball move and fall down within a space with many obstacles, the space being formed between parallel planes.
In general, the pachinko game machine has a panel which defines the space within which the pachinko ball moves, a glass plate which covers the panel at a fixed interval therefrom, and a projectile mechanism which projects pachinko balls into the space formed between the panel and the glass plate. The pachinko game machine is installed in such a manner that the panel may be substantially in parallel to the vertical direction. The panel is provided with a plurality of winning holes, and a discharge hole. When the pachinko ball enters the winning hole, that is a win for the player, while all the pachinko balls which fail to enter the winning holes are finally gathered to be discharged from the discharge hole.
Besides, a number of pins (nails) having a length almost equal to the diameter of pachinko balls, are provided at the panel, projecting therefrom and substantially perpendicular to the panel, so that the projected pachinko balls may frequently collide against the pins when falling along the panel to have their moving direction altered. The distribution of the pins is predetermined and pins are arranged accordingly, so that pins may alter the moving direction of the pachinko ball, in some cases guiding the pachinko ball to move toward the winning hole, and in other cases guiding the pachinko ball to miss the winning hole.
By the way, in a pachinko parlor where a plurality of such pachinko machines are installed, the winning status of each one of the pachinko game machines has to be controlled. Namely, it is necessary to find pachinko game machines where pachinko balls move unevenly, or unusually, because such machines require replacements or repairing. It is also necessary to detect an illegal act being perpetrated by a game player during the game, such as guiding the pachinko ball into the winning hole by using a magnet or the like.
A metal body detecting apparatus for such purposes, is disclosed in Japanese patent Application publication (kokai) No. Hei2-279186.
In this publication, a pachinko ball detecting apparatus is disclosed. The detecting apparatus comprises, a metal sensor, which is a so called detecting matrix which consists of a transmission coil line group and a reception coil line group. In the transmission coil column group, a plurality of transmission coil lines in which a series of transmission units of open ring configuration are disposed, are arranged in one direction. In the group of reception coils, lines of reception coils, in which a series of reception units of open ring configuration are disposed, are arranged in a di
Handa Shigeru
Kawashima Kazunari
Takemoto Takatoshi
Harrison Jessica
Kabushiki Kaisha Ace Denken
O'Neill Michael
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