JP2011015804A - Prize-falling-type game machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a prize-falling-type game, wherein a prize is made to fall down when a user plays the game the number of times or more predetermined by a provider of the game machine while letting the user operate the machine so as to try his/her skill.SOLUTION: The prize-falling-type game machine discharges the prize in such a way that an object to be shot is shot to strike the prize placed on a prize-resting table to make the prize fall down from the table. The game machine includes: a shooting device for shooting out the object to the prize; a contact sensor, provided on a front end of the object, for detecting the object being brought into contact with the prize; and a control means for controlling a movement distance of the object based on a result detected by the sensor.

Description

  The present invention relates to a prize dropping game machine in which an object to be ejected is ejected and applied to a prize placed on a prize placing table to drop the prize.

  2. Description of the Related Art Conventionally, prize drop type game machines in which a prize placed on a prize placing table is dropped by a user's operation and the dropped prize is acquired by a user are widely used. In general, these game machines use a type in which a prize is dropped by the user's skill by directly operating the user as in Patent Document 1, and a roulette as in Patent Document 2. By doing so, regardless of the skill of the user, it is divided into a type in which a prize is dropped based on a preset probability.

Japanese Patent Laid-Open No. 10-43425 JP 2000-79273 A

  However, in the invention according to Patent Document 1, whether or not the prize is dropped depends on the skill of the user. In other words, there is no way for the side providing the game machine to perform the game even when the premium is simply discharged by a high skill user with a small number of plays. As a result, for the side providing the game machine, the prize discharge rate for the amount of money inserted becomes high, and the expected income cannot be obtained.

  On the other hand, as described above, the invention according to Patent Document 2 drops a prize based on a preset probability. The invention according to Patent Document 2 is different from the invention according to Patent Document 1 described above. For a game machine providing side, a stable income can be expected with a preset prize discharge rate. Whether or not you can acquire it depends on your luck and you cannot test your skills. Therefore, the result is not preferable for a game machine in which the user gradually loses interest in playing.

  In this way, in the conventional prize drop-type game machine, the game machine provider who expects a stable income by setting the prize discharge rate in advance, and his skill instead of the preset prize discharge rate Although there is a discrepancy between the user and the user who expects to give away the prize, there is a problem that only one of the expectations can be answered.

  In view of such a point, the present invention provides a prize dropping type game in which a user drops a prize at a number of times that is preset by a game machine provider while allowing the user to try the skill.

  According to a main aspect of the present invention, there is provided a prize drop-type game machine that ejects an object to be shot and hits the prize placed on the prize placing table to drop the prize from the prize placing table and discharge it. An injection device that injects the object to be emitted toward the prize, a contact sensor that is provided at a tip of the object to be detected and that the object to be in contact with the prize, and a detection result of the contact sensor And a control means for limiting the movement distance of the object to be ejected based on the present invention.

  Further, in this case, the injection device includes an expansion / contraction member that is connected to the object to be injected and is provided to be extendable / contractible, and the control means detects that the object to be injected has contacted the prize by the contact sensor. When detected, it is desirable to limit the extension distance of the telescopic member.

  Further, according to another embodiment of the present invention, a page for calculating a number of times that does not limit an extension distance of the telescopic member among a predetermined number of shots for one premium or one premium group. A pay rate setting means for presetting a pay rate, and the control means counts the number of shootings and based on the counted shooting times and a pay rate preset by the pay rate setting means. Thus, there is provided a prize drop-type game machine that limits or does not limit the extension distance of the telescopic member.

  In this case, the pay rate setting means sets a plurality of pay rates corresponding to ranges obtained by dividing the injection range of the object to be injected, and the control means sets the injection range of the object to be injected. The number of shootings is counted for each of the divided ranges, and the extension distance of the expansion / contraction member is determined based on the counted number of shootings and one pay rate among the plurality of preset pay rates. It is desirable to limit or not limit.

  Furthermore, according to another embodiment of the present invention, there is provided an injection direction detection means for detecting an injection direction of the object to be injected, and the control means is a range obtained by dividing the injection range of the object to be injected into a plurality of ranges. Among them, the extension distance of the expansion / contraction member is limited or not limited based on the number of shots and the pay rate in a range corresponding to the injection direction of the injection target detected by the injection direction detection means. A free fall game machine is provided.

  According to another embodiment of the present invention, there is provided a prize recognition means for individually recognizing a kind of a prize in the emission direction of the object to be emitted by image recognition, and the control means recognizes the prize recognition means. A prize drop-type game machine is provided that limits the extension distance of the telescopic member based on the result and the pay rate set individually corresponding to each prize in advance.

    According to another embodiment of the present invention, a prize dropping game machine that ejects an object to be shot and hits the prize placed on the prize placing table to drop the prize from the prize placing table and discharge it. The method of dropping a prize according to claim 1, wherein an ejection process of ejecting the object to be emitted toward the prize and a contact detection process of detecting that the object to be ejected is provided at a tip of the object to be in contact with the prize. And a control process for limiting the moving distance of the object to be ejected based on the detection result of the contact sensor.

  Features other than the features of the present invention described above and remarkable effects of the present invention can be easily understood by those skilled in the art by referring to the following embodiments and drawings.

  The invention of the present application has a configuration as described above, and allows a user to perform a prize dropping type game that allows a user to try a skill and to drop a prize more than the number of times of play set in advance by a game machine provider. Can be provided.

FIG. 1 is an external view. FIG. 2 is an external view and a schematic sectional view of the injection apparatus. FIG. 3 shows a pay rate setting screen. FIG. 4 is a control block diagram. FIG. 5 is a flowchart. FIG. 6 shows a state in which the prize is dropped. FIG. 7 shows a state where a prize is placed on a tray as another embodiment.

  FIG. 1 shows the appearance of a prize dropping game machine 1 according to the present invention.

  This prize drop-type game machine 1 has a housing 2 divided into an upper part and a lower part. The upper portion of the housing 2 has a game space 13 that has a top plate 11 and a bottom plate 12 and is provided with a transparent acrylic plate or the like on the side wall so as to be visible from the outside.

  The bottom plate 12 of the gaming space 13 is provided in two steps, upper and lower, in a substantially arc shape with the injection device 4 being provided from the front side wall in a plan view and across the left and right side walls. A prize placing table 3 is provided. The bottom plate 12 is formed integrally with the lower stage of the prize placing table 3. In addition, although not shown, a space (hereinafter referred to as a “falling zone”) for dropping the prize 22 is provided from the rear end of the lower stage of the premium stage 3 integrally formed with the bottom plate 12 (not shown). (See FIG. 2 (a)).

  In addition, a plurality of prizes 22 are placed on the premium stage 3 on the upper stage and the lower stage, respectively. In the following description, for convenience of explanation, when the term “premium placing table” is simply used, the upper stage and the lower stage are respectively indicated.

  In the lower part of the case 2, the bottom of the gaming space 13 and the prize drop zone are not visible from the outside. In the lower part, the control unit 5 and a pay rate (to be described later) And pay rate setting means 23 for setting.

  Further, on the front surface of the housing 2, coin insertion detection means (not shown) for detecting coin insertion from the coin insertion slot 21, operation means 6 for allowing the user to perform various operations, and voice notification (not shown) A loudspeaker 7 is provided for notifying the user of voice guidance or sound effects, and a prize outlet 8 for discharging the prize 22 dropped from the prize placing table 3. The operation means 6 can be designed as appropriate, but in the present embodiment, it has two buttons, a start button and a stop button.

  FIG. 2A is a perspective view of the injection device 4. As shown in FIG. 2 (a), the injection device 4 is a disk-shaped pedestal that is exposed on the bottom plate 12 of the gaming space 13 and is movable in the vertical direction and is rotatable 360 degrees around the vertical axis. 10, a main body 9 erected on the pedestal 10, a telescopic member 20 provided with one end fixed to the front surface of the main body 9 so as to be stretchable, and an injection target provided at the other end of the telescopic member 20 A body 25, a vertical / rotary drive device 26 provided below the bottom plate 12 of the game space 13 so as not to be recognized from the outside, and a height / angle sensor 27 provided in the vertical / rotary drive device 26. And have.

  The main body 9 is erected on the same axis as the central axis of rotation of the pedestal 10, and moves vertically with the pedestal 10 by the up / down / rotation driving device 26, and rotates 360 degrees around the vertical axis. Yes. Further, the height / angle sensor 27 detects the height of the tip portion of the injection target body 25 and the injection angle of the injection target body 25 in plan view as the injection direction of the injection target body 25. ing.

  FIG. 2B is a schematic sectional view of the main body 9. As shown in FIG. 2B, an injection driving device 28 for injecting the object to be injected 25 is provided in the main body 9. Specifically, the injection driving device 28 is configured as the expansion / contraction member 20 such that a plurality of hollow shafts 30 having different inner diameters are coaxially overlapped to overlap each other, and is configured as one end of the hollow shaft 30 having the smallest inner diameter. Is fixed to the injection target body 25. A drive cord 31 is passed through the hollow shaft 30 having the smallest inner diameter, and one end of the drive cord 31 is fixed to the hollow shaft 30 having the smallest inner diameter (not shown). The drive cord 31 is driven by an electric motor 33 by a rack and pinion mechanism 32, whereby the telescopic member 20 is extended and the ejected body 25 is ejected. In addition, at the maximum extension, the extensible member 20 is configured such that at least the tip of the object to be ejected 25 extends to the vicinity above the rear end (see FIG. 2A) of the prize placing table 3. In the present embodiment, the object 25 is ejected in the horizontal direction.

  The injection target 25 is made of a member having a small repulsive force, such as rubber or synthetic resin. Note that the size and shape of the injection target 25 can be designed as appropriate. Further, a contact sensor 35 for detecting contact with an object is provided at the tip of the object to be ejected 25. Here, it is desirable that the detection range of the contact sensor 35 covers at least the range that can be in contact with the prize in the tip portion of the object 25. Note that a plurality of the contact sensors 35 may be configured.

  Here, the extension distance of the telescopic member 20 is limited to a predetermined distance by the control unit 5 in conjunction with the detection result of the contact sensor 35. Specifically, when the contact sensor 35 detects that the injected object 25 has been in contact with the prize 22, the extension distance (hereinafter referred to as “contact”) of the expansion / contraction member 20 from the detection is detected. The distance ”is limited to a predetermined distance (for example, 5 mm) by the control unit 5. Whether or not to limit the contact distance is determined based on a pay rate described later.

  FIG. 3A shows a state in which the injection range of the object 25 is divided into predetermined positions and ranges A to H. Among the predetermined positions and ranges (hereinafter referred to as “group zones”) A to H, the group zones A to D correspond to the upper stage of the prize placing table 3, while the group zones E to H corresponds to the lower stage of the prize placing table 3.

  These group zones A to H are set in advance in association with the injection direction of the injection target 25. For example, in the group zone A, it is assumed that one elephant stuffed animal shown in FIG. In this case, as shown in FIG. 3A, in order to set the position and range of the group zone A, the lowest point of the rotation center axis of the main body 9 is set as a reference point P, and the reference point P The height range (Y) of the center point of the tip of the object 25 and the emission angle range (θ) in plan view are set as a group zone A in association with the shape and size of the stuffed elephant.

  The setting of each group zone is contrary to the case where it is determined according to the shape and size of the prize 22 described above. For example, the range of each group zone is set in advance, and the set range is set in advance. On the basis of this, a line may be provided in advance on the boundary line of each group zone on the prize placing table 3 or a partition panel may be provided. That is, by placing the prize 22 in this line or partition panel, the prize 22 is placed separately for each group zone. When a plurality of prizes are placed in one group zone, it is not always necessary to place the same kind of prizes. For example, a large prize and a small prize, or an expensive prize and a fixed prize may be placed in one group zone.

  FIG. 3B shows the pay rate setting screen. On the pay rate setting screen, the pay rate is set at a position corresponding to the group zones A to H. That is, in the loop zones A, B, C, D, E, F, G, and H shown in FIG. 3A, the pay rate is 3%, 10%, 10%, 3% corresponding to the position. , 20%, 20%, 20%, and 20%.

  Here, the pay rate is used to calculate the number of times that does not limit the extension distance of the stretchable member among the predetermined number of shots for each group zone. For example, in FIG. 3 (a), the pay rate of the group zone B is 10%. This is because the telescopic member 20 is up to the first nine out of ten shots for the group zone B. The contact distance is limited to 5 mm, for example, but from the next tenth time, the contact distance of the elastic member 20 is not limited, and the expansion of the elastic member 20 is the longest. That is, the number of times that the extension distance is not limited = 100 / pay rate (%). In addition, when a decimal point comes out, it can set suitably, such as truncating.

  The pay rate setting screen is displayed, for example, on a display or the like installed inside a maintenance cover (not shown) of the housing 2 as indicated by the wavy line in FIG. Is done. Then, it is appropriately set by an administrator or the like by a pay rate operation means (not shown).

  FIG. 4 shows a functional block diagram of the present invention. The control unit 5 is formed by connecting an input / output interface (I / F) to an external storage device such as a RAM, a ROM, and an HDD via a system bus to a CPU (not shown). The input interface (I / F) includes the height / angle sensor 27, the contact sensor 35, the operation means 6, the coin insertion slot (coin insertion detection means) 11, and the prize recognition. Means 43 are connected. In addition, the up / down / rotation drive device 26, the injection drive device 28, and the speaker (voice notification means) 7 are connected to the output interface (I / F). Note that the control unit 5 actually has the functions of the present invention when a software program installed in the external storage device is called and executed on the RAM by the CPU.

  Here, when the injection direction of the injection target 25 is detected by the height / angle sensor 27, the control unit 5 is directed to any of the group zones A to H. In addition, the number of shots is counted and stored for each group zone. Further, each time the pay rate is set by the pay rate setting means 25, the control unit 5 calculates and stores the number of times described above that does not limit the extension distance.

  Hereinafter, the operation of the above configuration will be described in detail with reference to FIGS.

  FIG. 5 is a flowchart of this embodiment. Hereinafter, it demonstrates along this flowchart. In this flowchart, reference numerals 1 to 13 correspond to steps S1 to S13 in the following description, respectively.

  First, when the coin insertion detecting means detects that a coin has been inserted into the coin insertion slot 21 (S1), the control unit 5 presses the start button as a game start signal and voice guidance. Notification is made from the speaker 7. When the start button is pressed by the user within a predetermined period, the control unit 5 causes the vertical / rotary drive device 26 to start raising the main body 9 (S2). On the other hand, if the control unit 5 does not detect that the start button has been pressed within a certain period of time, the operation of pressing the start button is regarded as being canceled by the user, and the main body 9 is not raised. Proceed to the next step.

  Next, when the raising of the main body 9 is started, the control unit 5 notifies the speaker 7 to press a stop button as voice guidance. When the user presses the stop button, the control unit 5 causes the vertical / rotary driving device 26 to stop the ascending of the main body 9 (S3).

  Then, when the ascent of the main body 9 stops, the control unit 5 notifies the speaker 7 to press the start button again as voice guidance. When the start button is pressed again by the user, the control unit 5 causes the vertical / rotary drive device 26 to start rotating the main body 9 (S4).

  Next, when the control unit 5 starts to rotate the main body 9, the control unit 5 notifies the speaker 7 to press a stop button as voice guidance. When the user presses the stop button, the control unit 5 causes the vertical / rotary drive device 26 to stop the rotation of the main body 9 (S5).

  Here, when the rotation of the main body 9 stops, the height / angle sensor 27 detects the injection direction of the object to be injected 25. At this time, the control unit 5 determines whether or not the injection direction of the injection target body 25 is appropriate from the detection result (S6). Here, the determination as to whether or not the injection direction of the injection target body 25 is appropriate is, for example, that the injection direction of the injection target object 25 is in the range of any one of the group zones A to H. On the other hand, when the injection direction of the object 25 is directed toward the player, the injection direction of the object 25 is suitable for any range of the group zones A to H. If not, it is judged as inappropriate.

  And when the said control part 5 judges that the injection | emission direction of the said to-be-emitted body 25 is appropriate (YES of S6), while specifying the said group zone previously matched with the said injection | emission direction, this group zone The number of injections at C is counted and stored (S7).

  For example, when the height / angle sensor 27 detects that the injection direction of the injection target 25 is the group zone C, the control unit 5 determines that the injection direction is appropriate and the injection direction is It is specified that the associated group zone is the group zone C, and a number obtained by adding 1 to the past number of injections in the group zone C is calculated and stored as the current shooting number. In this case, the control unit 5 reads the number of times (the 10th time) that is calculated in advance based on the pay rate (10%) in the group zone C and does not limit the extension distance of the elastic member.

  On the other hand, when it is determined that the injection direction is inappropriate (NO in S6), the control unit 5 notifies the speaker 7 of “Foul, try again!” And the rotation of the main body 9 again. The vertical / rotary drive device 26 is started (return to S4).

  Next, the control unit 5 causes the injection driving device 28 to start extending the telescopic member 15 (S8). At this time, the control unit 5 always monitors the detection result of the contact sensor 35 (S9), and continues to extend the telescopic member 20 until it detects that the contact sensor 35 has contacted the prize 22 ( NO of S9).

  When the contact sensor 35 detects that the prize 22 has been touched, the control unit 5 pays the current number of shots and a pay that is associated with the specified group zone (in the injection direction) in advance. Based on the rate, the contact distance is limited as described below.

  That is, for example, as described above, the pay rate in the group zone C is 10% (FIG. 3B), and the controller 5 calculates that the calculated number of injections into the group zone C is 1. Up to the ninth time (NO in S10), when the contact distance of the elastic member 20 is extended by a predetermined distance (for example, 5 mm), it is stopped (S11), that is, in this case, as shown in FIG. As described above, the prize 22 is pushed rearward by the contact distance of 5 mm, which is the contact distance, but as shown by the wavy line, the prize 22 is simply shaken on the spot and does not fall. Since the contact distance that does not cause the drop varies depending on the type of the zone, it may be set as appropriate for each group zone.

  On the other hand, when the number of shootings is tenth or more (YES in S10), the control unit 5 maximizes the contact distance of the expandable member 20 (S12). That is, the control unit 5 extends the telescopic member 20 until the tip portion of the to-be-injected body 25 reaches near the upper rear end of the prize placing table 3. Then, as shown in FIG. 6B, the prize 22 is pushed out from the rear end of the prize placing table 3 and falls into the dropping zone. Then, the prize 22 that has fallen into the fall zone is discharged from the prize discharge port 8 (S13).

  Further, even when the contact sensor 35 does not detect contact (when the object 25 is extended out of the prize 22), the control unit 5 does not limit the extendable member 20 and extends to the longest distance. Let

  The extendable member 15 once extended is returned to the original position by the control unit 5 after a certain period of time after the extension is stopped. In addition, the number of shots is appropriately reset by the manager of the game machine or the like when a prize is newly replenished due to the drop of all the prizes placed in each group zone.

  In addition, this invention is not limited to the said one Embodiment, A various deformation | transformation is possible in the range which does not change the summary of invention.

  For example, in the above embodiment, based on the pay rate, the number of times that does not limit the extension distance of the stretchable member among the predetermined number of shots for each group zone is calculated. You may use as a probability which does not restrict | limit the expansion | extension distance of the said expansion-contraction member. For example, when the pay rate is 10%, the control unit 5 may not limit the extension distance of the elastic member at random once out of 10 times.

  As another embodiment, for example, as shown in FIG. 7A, a board 30 (hereinafter referred to as “assist board”) for receiving the injected object 25 and a rotating member that is rotatable around a horizontal axis. One or a plurality of the prizes 22 are placed on a tray 42 having 41. In this case, the tilt of the tray 42 gradually increases as the rotating member 41 rotates (in the direction of arrow Q in the figure) each time the subject 25 hits the assist board 40. Then, the giveaway object 25 hits the assist board 40 a plurality of times, and finally the prize 22 falls as shown in FIG. 7B.

  In this case, the control unit 5 may limit the contact distance as described above, but may limit the extension speed. That is, when the control unit 5 detects that the object to be ejected 25 has contacted the assist board 40, the control unit 5 restricts the extendable member 15 to a preset extension speed based on a pay rate, and the tray 5 Adjust the slope of 42. Then, the prize 22 may be dropped by maximizing the inclination of the tray 42 by maximizing the extension speed when the number of shots is set in advance based on the pay rate. In this case, a member having a strong repulsive force may be employed for the injection target 25.

  As still another embodiment, as shown in FIG. 2B, for example, a CCD camera is used as the prize recognition means 43 so as to aim at one prize 22 in the emission direction of the object 25. It is mounted on the front side of the main body 9. In this case, instead of the above-described group zone, images of individual prizes 22 are stored in advance in storage areas (not shown) of the control unit 5 in association with pay rates. Then, when the rotation of the main body 9 is stopped and the emission direction of the emitted object 25 is directed to the one prize 22, the control unit 5 detects the image and the height taken by the prize recognition unit 43. / The one prize 22 is individually recognized together with the placed position from the emission direction of the object 25 detected by the angle sensor 27. Then, the contact distance of the telescopic member 20 is limited based on the pay rate associated with the one prize 22 recognized individually and the number of times of injection with respect to the one prize 22.

  Furthermore, in this case, the control unit 5 is based on a moving image that is taken by the prize recognition means 43 and shows that the one prize 22 is pushed out of the prize placing table 3 by the object to be ejected 25 and dropped. The fact that the one prize 22 has been dropped is stored in association with the position where it is placed. Then, after the prize 22 is newly replenished by an administrator of the game machine or the like, when the injection direction of the object to be ejected 25 is directed toward the prize 22 after the supplement, the control unit 15 recognizes the prize recognition. Based on the image of the replenished prize 22 photographed by the means 43 and the direction of emission, the prize 22 is recognized as a newly replenished prize 22 and the number of shots for the replenished prize 22 is reset. The counting may be started again from scratch.

DESCRIPTION OF SYMBOLS 1 ... Premium fall game machine 2 ... Housing 3 ... Premium placement stand 4 ... Injection device 5 ... Control part 6 ... Control means 7 ... Speaker 8 ... Premium outlet 9 ... Main body 10 ... Base 11 ... Top plate 12 ... Bottom plate 13 ... Game space 20 ... Expandable member 21 ... Coin slot 22 ... Premium 23 ... Pay rate setting means 25 ... Subject 26 ... Vertical / rotary drive device 27 ... Height / angle sensor 28 ... Injection drive device 30 ... Hollow shaft 31 ... Drive code 32 ... Rack and pinion mechanism 33 ... Electric motor 35 ... Contact sensor 40 ... Assist board 41 ... Rotating member 42 ... Tray 43 ... Premium recognition means

Claims (7)

A prize dropping type game machine that ejects an object to be shot and hits the prize placed on the prize placing table to drop the prize from the prize placing table and discharge it.
An injection device for injecting the object to be emitted toward the prize;
A contact sensor that is provided at a tip of the object to be detected and detects that the object to be injected has contacted the prize;
And a control means for limiting a moving distance of the object to be ejected based on a detection result of the contact sensor. In the prize drop type game machine according to claim 1,
The injection device includes an expansion / contraction member that is connected to the injection target body and is provided to be extendable and contractible.
The control unit limits the extension distance of the telescopic member when the contact sensor detects that the object to be ejected has contacted the prize. In the premium drop game machine according to claim 2,
Pay rate setting means for presetting a pay rate for calculating the number of times that does not limit the extension distance of the stretchable member among a predetermined number of shots for one premium or one premium group ,
The control means counts the number of shootings, and limits or does not limit the extension distance of the expansion / contraction member based on the counted number of shootings and a pay rate preset by the pay rate setting unit. This is a free fall game machine. In the prize drop type game machine according to claim 3,
The pay rate setting means sets a plurality of pay rates respectively corresponding to ranges obtained by dividing the injection range of the object to be injected;
The control means counts the number of shots for each range obtained by dividing the injection range of the object to be shot, and one of the counted number of shots and the preset plurality of pay rates. A prize drop-type game machine, wherein the extension distance of the elastic member is restricted or not restricted based on a pay rate. In the prize drop type game machine according to claim 4,
Having an injection direction detecting means for detecting an injection direction of the object to be injected;
The control means includes a number of shots and a pay rate in a range corresponding to the injection direction of the object to be detected detected by the injection direction detection means in a range in which the injection range of the object to be injected is divided into a plurality of ranges. On the basis of the above, the extension distance of the elastic member is limited or not limited. In the prize drop type game machine according to claim 3,
A prize recognition means for individually recognizing the type of prize in the emission direction of the object to be ejected by image recognition;
The control means limits the extension distance of the telescopic member based on the recognition result of the prize recognition means and a pay rate set individually corresponding to each prize in advance. Machine. A prize dropping method in a prize dropping type game machine that ejects an object to be shot and hits the prize placed on the prize placing table to drop the prize from the prize placing table and discharge it,
An injection stroke for injecting the object to be emitted toward the prize;
A contact detection step that is provided at a tip of the object to be detected and detects that the object to be injected has contacted the prize;
A prize dropping method comprising: a control step of limiting a moving distance of the object to be ejected based on a detection result of the contact sensor.

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