JP2005081004A - Lever operation detecting device of slot machine - Google Patents

Lever operation detecting device of slot machine Download PDF

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JP2005081004A
JP2005081004A JP2003318848A JP2003318848A JP2005081004A JP 2005081004 A JP2005081004 A JP 2005081004A JP 2003318848 A JP2003318848 A JP 2003318848A JP 2003318848 A JP2003318848 A JP 2003318848A JP 2005081004 A JP2005081004 A JP 2005081004A
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start lever
light
lever
state
slot machine
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JP3708096B2 (en
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Yuji Ikebukuro
祐二 池袋
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Net Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To prevent the operation of a start lever from being detected always in constant timing. <P>SOLUTION: The start lever operation detecting device 1A of the slot machine is constructed by combining a light shading body 6A to be oscillated while interlocking with the operation of the start lever with an optical sensor 10 with a light emitting part 11 and a light receiving part 12 on both sides of the light shading body 6A. The state of the detection light emitted from the light emitting part 11 to the light receiving part 12 is switched from a translucent state to a shaded state according to the oscillation position of the light shading body 6A. The light shading body 6A comprises a movable part 14 whose position relative to a light shading body main body 13 is changed by the impact of the operation of the lever. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、スタートレバーの操作タイミングに対してその検出タイミングが常に一定にならないようにしたスロットマシンのレバー操作検出装置に関する。   The present invention relates to a lever operation detection device for a slot machine in which the detection timing is not always constant with respect to the operation timing of the start lever.

スロットマシンは、スタートレバーを操作してゲームが開始されるが、その時点で乱数抽選により入賞の種類及び成否が決められる。乱数抽選の結果には周期性があるので、スタートレバーの操作タイミングを特定の周期に同調させると、入賞の確率が向上するという傾向がある。このことを悪用した不正遊技に、脈動を発生するソレノイドや低周波治療器を用いてスタートレバーを操作させることで不正に入賞確率を向上させるという行為がある。   In the slot machine, the game is started by operating the start lever, and at that time, the type of winning and the success or failure are determined by random number lottery. Since the result of the random number lottery has a periodicity, there is a tendency that the probability of winning is improved when the operation timing of the start lever is synchronized with a specific period. An illegal game exploiting this is an act of illegally improving a winning probability by operating a start lever using a solenoid or a low-frequency treatment device that generates pulsation.

上記不正遊技の防止策として、乱数抽選の周期が一定にならないように制御プログラムを変更する方法や、スタートレバーの復帰スプリングの張力を強くしてソレノイドや低周波治療器の弱い力ではスタートレバーを操作できないようにする方法等が考えられてきた。
特開２００１−２９５８０号公報 特開２００１−３７９５５号公報 In order to prevent the above illegal games, the control program can be changed so that the random number lottery cycle is not constant, or the start lever can be moved with a weak force of the solenoid or low-frequency treatment device by increasing the tension of the return spring of the start lever. A method for preventing operation has been considered.
JP 2001-29580 A JP 2001-37955 A

しかしながら、前者の防止策は、制御プログラムが複雑化することにより様々な面でコスト高につながるという問題点があり、また後者の防止策は、スタートレバーの操作に力が要るため長時間遊技を続けると疲れるという問題点がある。本発明は、スタートレバーの操作タイミングに対してその検出タイミングが常に一定にならないようにすることを可能にし、あまりコストをかけずに不正遊技の防止を達成することを課題としている。   However, the former preventive measure has a problem that the control program becomes complicated and leads to high costs in various aspects, and the latter preventive measure requires a long time because the operation of the start lever requires force. There is a problem of getting tired if you continue. An object of the present invention is to make it possible to prevent the detection timing from always being constant with respect to the operation timing of the start lever, and to achieve the prevention of fraudulent gaming without much cost.

上記課題を解決するために、本発明は次の構成とした。すなわち、本発明にかかるスロットマシンのレバー操作検出装置は、スタートレバーの操作に連動して揺動する遮光体と、該遮光体の両側に発光部と受光部とを配した光学式センサとを組み合わせてなり、発光部から受光部へ向けて照射する検出光が遮光体の揺動位置に応じて透過状態と遮断状態とに切り替わるスロットマシンのスタートレバー操作検出装置において、前記遮光体は、レバー操作の衝撃により遮光体本体に対して位置を変更する可動部を含むことを特徴としている。   In order to solve the above problems, the present invention has the following configuration. That is, the lever operation detection device of the slot machine according to the present invention includes a light shielding body that swings in conjunction with the operation of the start lever, and an optical sensor in which a light emitting portion and a light receiving portion are arranged on both sides of the light shielding body. In the start lever operation detecting device of the slot machine, which is combined, and the detection light irradiated from the light emitting unit to the light receiving unit is switched between the transmission state and the blocking state according to the swinging position of the light shielding body, the light shielding body includes a lever It includes a movable part that changes its position with respect to the light-shielding body by an impact of operation.

この構成であると、スタートレバーを操作するたびに遮光体本体に対する可動部の位置が異なり、スタートレバーの操作タイミングに対してその検出タイミングが常に一定にならない。乱数抽選は高速で変動しているので、検出タイミングを少し狂わすだけで、スタートレバーの操作タイミングを特定の周期に同調させることを防止できる。   With this configuration, each time the start lever is operated, the position of the movable portion with respect to the light shielding body is different, and the detection timing is not always constant with respect to the operation timing of the start lever. Since the random number lottery fluctuates at a high speed, it is possible to prevent the operation timing of the start lever from being synchronized with a specific cycle by slightly deviating the detection timing.

本発明のスタートレバー操作検出装置は、一部の部品を変更するだけで、スタートレバーの操作タイミングに対してその検出タイミングが常に一定にならないようにすることが可能であるので、あまりコストをかけずにスロットマシンでの不正遊技を防止できるようになった。   The start lever operation detecting device according to the present invention can be configured so that the detection timing does not always become constant with respect to the operation timing of the start lever by changing only some parts. It is now possible to prevent illegal games in slot machines.

本発明の好ましい実施の形態として、図１乃至図５に実施例１、図６乃至図１０に実施例２，及び図１１乃至図１３に実施例３を例示する。   As a preferred embodiment of the present invention, Example 1 is illustrated in FIGS. 1 to 5, Example 2 is illustrated in FIGS. 6 to 10, and Example 3 is illustrated in FIGS.

実施例１のスタートレバー操作検出装置１Ａは、スタートレバー２が支点ピン３を支点にして上下に回動自在にレバーホルダー４に取り付けられ、該スタートレバー２と一体のレバーシャフト５の先端部が遮光体６Ａとなっている。   In the start lever operation detecting device 1A of the first embodiment, the start lever 2 is attached to the lever holder 4 so as to be rotatable up and down with the fulcrum pin 3 as a fulcrum, and the tip of the lever shaft 5 integrated with the start lever 2 is It is a light shield 6A.

レバーシャフト５の外周部には摺動体７が摺動自在に嵌合し、この摺動体７と固定リング８との間にレバー復帰スプリング９が介装されている。スタートレバー２を下方に回動操作すると、摺動体７の上部がレバーホルダー４の背面部に押されてレバー復帰スプリング９が圧縮され（図３参照）、スタートレバー２の回動操作を停止すると、レバー復帰スプリング９の弾発力によりスタートレバー２が元の水平位置に復帰するようになっている（図１参照）。上記スタートレバー２の操作に連動して遮光体６Ａが上下に揺動する。   A sliding body 7 is slidably fitted to the outer periphery of the lever shaft 5, and a lever return spring 9 is interposed between the sliding body 7 and the fixing ring 8. When the start lever 2 is rotated downward, the upper part of the sliding body 7 is pushed by the back surface of the lever holder 4 to compress the lever return spring 9 (see FIG. 3), and when the start lever 2 stops rotating. The start lever 2 is returned to the original horizontal position by the elastic force of the lever return spring 9 (see FIG. 1). In conjunction with the operation of the start lever 2, the light shield 6A swings up and down.

レバーホルダー４の背面側には光学式センサ１０が取り付けられる。取付状態において、光学式センサ１０の発光部１１と受光部１２とが遮光体６Ａの左右両側に位置する。   An optical sensor 10 is attached to the back side of the lever holder 4. In the mounted state, the light emitting unit 11 and the light receiving unit 12 of the optical sensor 10 are positioned on both the left and right sides of the light blocking body 6A.

実施例１の遮光体６Ａは、レバーシャフト５と一体に形成された細い軸状の遮蔽体本体１３の外周部に、外形略三角形の可動部１４が嵌合した構造をしている。遮蔽体本体１３が嵌合する可動部１４の孔１４ａの内径は遮蔽体本体１３の直径よりもかなり大きいため、スタートレバー２の操作による衝撃で、可動部１４が遮蔽体本体１３に対して上下動したり、可動部１４が遮蔽体本体１３回りに回転したりする。   The light shielding body 6A according to the first embodiment has a structure in which a movable portion 14 having a substantially triangular outer shape is fitted to the outer peripheral portion of a thin shaft-shaped shielding body main body 13 formed integrally with the lever shaft 5. Since the inner diameter of the hole 14a of the movable portion 14 into which the shield body 13 is fitted is considerably larger than the diameter of the shield body 13, the movable portion 14 moves up and down with respect to the shield body 13 by the impact of the operation of the start lever 2. Or the movable part 14 rotates around the shield body 13.

図１に示す静止状態では、遮蔽体６Ａが発光部１１及び受光部１２と同じ高さにある。このため、図１（ｂ）に示すように可動部１４の頂点が上を向いている状態であっても、図２に示すように可動部１４の頂点が下を向いている状態であっても、発光部１１から照射された検出光が遮光体６Ａに遮られて受光部１２に到達しない。すなわち、光学式センサ１０の出力がＯＦＦである。   In the stationary state shown in FIG. 1, the shield 6 </ b> A is at the same height as the light emitting unit 11 and the light receiving unit 12. For this reason, even if the vertex of the movable part 14 is facing upward as shown in FIG. 1B, the vertex of the movable part 14 is facing downward as shown in FIG. However, the detection light emitted from the light emitting unit 11 is blocked by the light shielding body 6A and does not reach the light receiving unit 12. That is, the output of the optical sensor 10 is OFF.

図３に示すようにスタートレバー２を下方に回動操作すると、遮蔽体６Ａが上動して、発光部１１からの検出光が受光部１２に到達するようになる。すなわち、光学式センサ１０の出力がＯＮになる。ただし、出力ＯＮになるタイミングは、図３（ｂ）に示すように可動部１４の頂点が上を向いている状態と、図４に示すように可動部１４の頂点が下を向いている状態とでは異なり、遮光体本体１３から可動部１４の下端までの距離が短い前者の方が早くＯＮになる。   As shown in FIG. 3, when the start lever 2 is rotated downward, the shield 6 </ b> A moves upward, and the detection light from the light emitting unit 11 reaches the light receiving unit 12. That is, the output of the optical sensor 10 is turned on. However, the timing when the output is turned on is the state where the vertex of the movable part 14 is facing upward as shown in FIG. 3B and the state where the vertex of the movable part 14 is facing downward as shown in FIG. In contrast, the former, which has a shorter distance from the light shielding body 13 to the lower end of the movable portion 14, is turned on earlier.

可動部１４の状態はスタートレバー２の操作による衝撃で変わるので、スタートレバー２を操作するごとに、その検出タイミングが影響を受ける。また、スタートレバー２の操作による衝撃で可動部１４が遮蔽体本体１３に対して上下動するので、可動部１４の状態が同じであっても、操作タイミングに対する検出タイミングは必ずしも一定でない。   Since the state of the movable portion 14 changes due to an impact caused by the operation of the start lever 2, the detection timing is affected every time the start lever 2 is operated. Moreover, since the movable part 14 moves up and down with respect to the shield main body 13 by the impact of the operation of the start lever 2, even if the state of the movable part 14 is the same, the detection timing with respect to the operation timing is not necessarily constant.

実施例２のスタートレバー操作検出装置１Ｂは、ほとんど実施例１と同じ構成で、遮光体だけが実施例１と異なっている。構成が同じ箇所については同一符号で表示し、説明は省略する。なお、図６は図１に、図７は図２に、図８は図３に、図９は図４に、図１０は図５にそれぞれ対応している。   The start lever operation detection device 1B according to the second embodiment has almost the same configuration as that of the first embodiment, and only the light shield is different from the first embodiment. Parts having the same configuration are denoted by the same reference numerals, and description thereof is omitted. 6 corresponds to FIG. 1, FIG. 7 corresponds to FIG. 2, FIG. 8 corresponds to FIG. 3, FIG. 9 corresponds to FIG.

スタートレバー操作検出装置１Ｂの遮光体６Ｂは、レバーシャフト５と一体に形成された遮蔽体本体１５の二股状後端部に、細長い板状の可動部１６が左右方向の軸１７回りに回転自在に取り付けられている。軸１７が嵌合する可動部１６の孔１６ａの内径は軸１７の直径に比べて大きいため、スタートレバー２の操作による衝撃で、可動部１６が遮蔽体本体１５に対して上下動したり、可動部１６が軸１７回りに回転したりする。   The light shielding body 6B of the start lever operation detection device 1B has an elongated plate-like movable portion 16 that is rotatable about a left-right axis 17 at a bifurcated rear end portion of a shielding body 15 formed integrally with the lever shaft 5. Is attached. Since the inner diameter of the hole 16a of the movable portion 16 into which the shaft 17 is fitted is larger than the diameter of the shaft 17, the movable portion 16 moves up and down with respect to the shield body 15 by an impact caused by the operation of the start lever 2. The movable part 16 rotates around the shaft 17.

図６に示す静止状態では、遮蔽体６Ｂが発光部１１及び受光部１２と同じ高さにある。このため、図６（ｂ）に示すように可動部１６が縦向きになっている状態であっても、図７に示すように可動部１６が横向きになっている状態であっても、発光部１１から照射された検出光が遮光体６Ｂに遮られて受光部１２に到達しない。すなわち、光学式センサ１０の出力がＯＦＦである。   In the stationary state shown in FIG. 6, the shield 6 </ b> B is at the same height as the light emitting unit 11 and the light receiving unit 12. For this reason, even if the movable part 16 is in the vertical orientation as shown in FIG. 6B, or the movable part 16 is in the horizontal orientation as shown in FIG. The detection light emitted from the unit 11 is blocked by the light blocking body 6B and does not reach the light receiving unit 12. That is, the output of the optical sensor 10 is OFF.

図８に示すようにスタートレバー２を下方に回動操作すると、遮蔽体６Ｂが上動して、発光部１１からの検出光が受光部１２に到達するようになる。すなわち、光学式センサ１０の出力がＯＮになる。ただし、出力ＯＮになるタイミングは、図８（ｂ）に示すように可動部１６が縦向きになっている状態と、図９に示すように可動部１６が横向きになっている状態とでは異なり、遮光体６Ｂの前後長が短い後者の方が早くＯＮになる。   As shown in FIG. 8, when the start lever 2 is turned downward, the shield 6 </ b> B moves up, and the detection light from the light emitting unit 11 reaches the light receiving unit 12. That is, the output of the optical sensor 10 is turned on. However, the timing when the output is turned on differs between the state in which the movable part 16 is in the vertical direction as shown in FIG. 8B and the state in which the movable part 16 is in the horizontal direction as shown in FIG. The latter with the short front and rear length of the light shielding body 6B is turned on earlier.

可動部１６の状態はスタートレバー２の操作による衝撃で変わるので、スタートレバー２を操作するごとに、その検出タイミングが影響を受ける。また、スタートレバー２の操作による衝撃で可動部１６が遮蔽体本体１５に対して上下動するので、可動部１６の状態が同じであっても、操作タイミングに対する検出タイミングは必ずしも一定でない。   Since the state of the movable portion 16 changes due to an impact caused by the operation of the start lever 2, the detection timing is affected every time the start lever 2 is operated. Moreover, since the movable part 16 moves up and down with respect to the shield body 15 by an impact caused by the operation of the start lever 2, even if the state of the movable part 16 is the same, the detection timing with respect to the operation timing is not necessarily constant.

実施例３のスタートレバー操作検出装置１Ｃも、スタートレバー２が支点ピン３を支点にして上下に回動自在に設けられている。スタートレバー２は、下向きに操作するようになっており（図１２参照）、操作後に指を離すとレバー復帰スプリング２０の弾発力により元の位置に復帰するようになっている（図１１参照）。   Also in the start lever operation detection device 1C of the third embodiment, the start lever 2 is provided so as to be rotatable up and down with the fulcrum pin 3 as a fulcrum. The start lever 2 is operated downward (see FIG. 12). When the finger is released after the operation, the start lever 2 returns to the original position by the elastic force of the lever return spring 20 (see FIG. 11). ).

このスタートレバー操作検出装置１Ｃの遮光体６Ｃは、スタートレバー２と上下方向に幅広い板状の遮光体本体２１を一体に取り付け、その遮光体本体２１の後端部に形成された穴２２に可動部２３を引っ掛けて吊り下げた構成になっている。そして、当該遮光体６Ｃの左右両側に、光学式センサ１０の発光部１１と受光部１２とが配置されている。穴２２の下縁は側面視で凸凹になっているため、可動体２３の引っ掛かっている位置によって該可動部２３の角度が変わる。また、可動部２３の下縁も側面視で凸凹になっており、可動部２３の角度によって遮光体６Ｃの下端から検出光の通過位置２４までの距離ｄ１，ｄ２が異なる。   The light shield 6C of the start lever operation detection device 1C is integrally mounted with a wide plate-shaped light shield body 21 in the vertical direction with the start lever 2, and is movable in a hole 22 formed in the rear end portion of the light shield body 21. The part 23 is hooked and suspended. And the light emission part 11 and the light-receiving part 12 of the optical sensor 10 are arrange | positioned at the right-and-left both sides of the said light shielding body 6C. Since the lower edge of the hole 22 is uneven in a side view, the angle of the movable portion 23 changes depending on the position where the movable body 23 is hooked. The lower edge of the movable part 23 is also uneven in a side view, and the distances d1 and d2 from the lower end of the light shield 6C to the detection light passing position 24 differ depending on the angle of the movable part 23.

図１１に示す静止状態では、発光部１１から照射された検出光が遮光体６Ｃによって遮られて受光部１２に到達せず、光学式センサ１０の出力がＯＦＦになっている。図１２に示すようにスタートレバー２を下方に回動操作すると、遮光体６Ｃが上動して、発光部１１からの検出光が受光部１２に到達するようになり、光学式センサ１０の出力がＯＮになる。可動部２３下縁の中央凸部２３ａの位置が検出光の通過位置に対してずれている場合（図１２）と、合致している場合（図１３）とでは、静止状態における遮光体６Ｃの下端から検出光の通過位置２４までの距離が異なる（ｄ１＞ｄ２）ため、操作タイミングに対する検出タイミングが両者で異なる。   In the stationary state shown in FIG. 11, the detection light emitted from the light emitting unit 11 is blocked by the light shield 6C and does not reach the light receiving unit 12, and the output of the optical sensor 10 is OFF. As shown in FIG. 12, when the start lever 2 is turned downward, the light shield 6C moves up so that the detection light from the light emitting unit 11 reaches the light receiving unit 12, and the output of the optical sensor 10 Is turned on. When the position of the central convex portion 23a at the lower edge of the movable portion 23 is shifted from the detection light passing position (FIG. 12) and when it matches (FIG. 13), the light shielding body 6C in the stationary state Since the distance from the lower end to the detection light passing position 24 is different (d1> d2), the detection timing with respect to the operation timing is different between the two.

可動部２３の状態はスタートレバー２の操作による衝撃で変わるので、スタートレバー２を操作するごとに、その検出タイミングが影響を受ける。また、スタートレバー２の操作による衝撃で可動部２３が遮蔽体本体２１に対して上下動するので、可動部２３の状態が同じであっても、操作タイミングに対する検出タイミングは必ずしも一定でない。   Since the state of the movable portion 23 changes due to an impact caused by the operation of the start lever 2, the detection timing is affected every time the start lever 2 is operated. Moreover, since the movable part 23 moves up and down with respect to the shield main body 21 by an impact caused by the operation of the start lever 2, even if the state of the movable part 23 is the same, the detection timing with respect to the operation timing is not necessarily constant.

この発明は、主としてスロットマシンのゲーム始動用スタートレバーの操作を検出する装置に関するものであるが、スロットマシンのスタートレバーに限らず、操作タイミングに対する検出タイミングがランダムであるのが好ましい他のレバーにも適用できる。   The present invention mainly relates to an apparatus for detecting an operation of a start lever for starting a game of a slot machine, but is not limited to a start lever of a slot machine, and other levers preferably having a detection timing with respect to an operation timing being random. Is also applicable.

スタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ１−Ｓ１断面図である。（実施例１）It is (a) sectional drawing of a start lever operation detection apparatus, and (b) S1-S1 sectional drawing. (Example 1) 異なる状態を示すＳ１−Ｓ１断面図である。（実施例１）It is S1-S1 sectional drawing which shows a different state. (Example 1) 図１とは異なる状態のスタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ２−Ｓ２断面図である。（実施例１）It is (a) sectional drawing of the start lever operation detection apparatus of the state different from FIG. 1, and (b) S2-S2 sectional drawing. (Example 1) 異なる状態を示すＳ２−Ｓ２断面図である。（実施例１）It is S2-S2 sectional drawing which shows a different state. (Example 1) スタートレバー操作検出装置の分解斜視図である。（実施例１）It is a disassembled perspective view of a start lever operation detection apparatus. (Example 1) スタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ３−Ｓ３断面図である。（実施例２）It is (a) sectional drawing of a start lever operation detection apparatus, and (b) S3-S3 sectional drawing. (Example 2) 異なる状態を示すＳ３−Ｓ３断面図である。（実施例２）It is S3-S3 sectional drawing which shows a different state. (Example 2) 図６とは異なる状態のスタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ４−Ｓ４断面図である。（実施例２）7A is a cross-sectional view of the start lever operation detection device in a state different from FIG. 6, and FIG. 7B is a cross-sectional view of S4-S4. (Example 2) 異なる状態を示すＳ４−Ｓ４断面図である。（実施例２）It is S4-S4 sectional drawing which shows a different state. (Example 2) スタートレバー操作検出装置の分解斜視図である。（実施例２）It is a disassembled perspective view of a start lever operation detection apparatus. (Example 2) レバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ５−Ｓ５断面図である。（実施例３）It is (a) sectional drawing of a lever operation detection apparatus, and (b) S5-S5 sectional drawing. Example 3 図１１とは異なる状態のスタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ６−Ｓ６断面図である。（実施例３）It is (a) sectional drawing of the start lever operation detection apparatus of a state different from FIG. 11, and (b) S6-S6 sectional drawing. Example 3 図１１及び図１２とは異なる状態のスタートレバー操作検出装置の（ａ）断面図、及び（ｂ）Ｓ７−Ｓ７断面図である。（実施例３）FIG. 13A is a cross-sectional view of the start lever operation detection device in a state different from FIGS. 11 and 12, and FIG. 13B is a cross-sectional view of S7-S7. Example 3

符号の説明Explanation of symbols

１Ａ，１Ｂ，１Ｃ スタートレバー操作検出装置
２ スタートレバー
４ レバーホルダー
５ レバーシャフト
６Ａ，６Ｂ，６Ｃ 遮蔽体
１０ 光学式センサ
１１ 発光部
１２ 受光部
１３，１５，２１ 遮蔽体本体
１４，１６，２３ 可動部
1A, 1B, 1C Start lever operation detection device 2 Start lever 4 Lever holder 5 Lever shaft 6A, 6B, 6C Shield 10 Optical sensor 11 Light emitter 12 Light receiver 13, 15, 21 Shield body 14, 16, 23 Movable Part

Claims (1)

スタートレバーの操作に連動して揺動する遮光体と、該遮光体の両側に発光部と受光部とを配した光学式センサとを組み合わせてなり、発光部から受光部へ向けて照射する検出光が遮光体の揺動位置に応じて透過状態と遮断状態とに切り替わるスロットマシンのスタートレバー操作検出装置において、前記遮光体は、レバー操作の衝撃により遮光体本体に対して位置を変更する可動部を含むことを特徴とするスロットマシンのスタートレバー操作検出装置。   Detection that irradiates from the light emitting unit to the light receiving unit by combining the light shielding unit that swings in conjunction with the operation of the start lever and an optical sensor having a light emitting unit and a light receiving unit on both sides of the light shielding unit. In a start lever operation detection device of a slot machine in which light is switched between a transmission state and a blocking state according to a swinging position of the light shielding body, the light shielding body is movable to change a position with respect to the light shielding body main body by an impact of the lever operation. A start lever operation detecting device for a slot machine, comprising:
JP2003318848A 2003-09-10 2003-09-10 Start lever operation detection device for slot machines Expired - Fee Related JP3708096B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006326106A (en) * 2005-05-27 2006-12-07 Daito Giken:Kk Game machine and fraudulent act preventing tool
JP2006334311A (en) * 2005-06-06 2006-12-14 Daito Giken:Kk Game machine and fraudulence preventing device
JP2008220749A (en) * 2007-03-14 2008-09-25 Olympia:Kk Game machine and method for its fraudulence prevention and program
JP2010184160A (en) * 2010-06-04 2010-08-26 Daito Giken:Kk Game machine and fraudulent act prevention device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006326106A (en) * 2005-05-27 2006-12-07 Daito Giken:Kk Game machine and fraudulent act preventing tool
JP4555156B2 (en) * 2005-05-27 2010-09-29 株式会社大都技研 Amusement stand and fraud prevention equipment
JP2006334311A (en) * 2005-06-06 2006-12-14 Daito Giken:Kk Game machine and fraudulence preventing device
JP4607670B2 (en) * 2005-06-06 2011-01-05 株式会社大都技研 Amusement stand and fraud prevention equipment
JP2008220749A (en) * 2007-03-14 2008-09-25 Olympia:Kk Game machine and method for its fraudulence prevention and program
JP2010184160A (en) * 2010-06-04 2010-08-26 Daito Giken:Kk Game machine and fraudulent act prevention device

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