Equipment for practising a projectile throwing game

Abstract

The invention relates to equipment for practising a projectile throwing game, comprising a target (1) having two pads for bearing on an attachment wall and an arm (6) for supporting an optical system for determining a zone in which a projectile is present, the rear end (6a) of the arm being provided with a module (7) for coupling the arm to the target, which module has a rear face supporting a first pad and is provided with a yoke (9) having a front jaw (10) and a rear jaw forming a cavity therebetween in which a portion of the edge (1d) of the target (1) can be disposed, the coupling module for the arm (6) being provided with a device (13) for moving the rear jaw relative to the first pad (5a).

Description

[0001] Equipment for playing a projectile throwing game

[0002] The invention relates to equipment for playing a projectile throwing game, said equipment comprising a target having a front face provided with areas for receiving a projectile according to an aiming result.

[0003] It applies in particular to equipment for dart throwing games, but may also concern targets suitable for arrows, for example in the context of practicing a sport such as archery or crossbow shooting, or for other types of projectiles, for example throwing balls.

[0004] For practice, the target is first fixed to a wall, for example, with the rear face of the target equipped with two support pads to ensure the front face is positioned correctly in relation to the player, particularly parallel to the fixing wall.

[0005] The player can then throw a projectile at the target and score a certain number of points depending on the area where the projectile is received, the number of points being a function of the difficulty of reaching the area where the projectile is received.

[0006] When a player makes multiple throws, the points scored on each throw are added to their total score, which they can compare to the total score of at least one other player to determine the winner of the game.

[0007] To facilitate the counting of points, electronic targets are known whose front face is equipped with sensors to detect projectiles, said target further comprising a display associated with the sensors so as to indicate in particular the aiming result of the last projectile and / or the player's total score.

[0008] However, this solution is not satisfactory because it requires the development of a specific target, particularly as it integrates sensors.

[0009] SUBSTITUTION SHEET (RULE 26) To solve this problem, the use of optical systems for determining the reception area of ​​a projectile on a target is known, in particular by processing the image of the target to locate the projectile there. In particular, an application can be installed on a portable terminal such as a smartphone or touchscreen tablet, said application using the optical capabilities of said terminal to determine the reception area and count the corresponding points.

[0010] Document DE-20 2015 000225 provides for equipping the target with a support arm of a prism at a distance from the front face of the target, said mirror reflecting an image of said face which can be captured by the camera of a terminal in which a determination application is integrated.

[0011] This type of solution allows the use of a standard target but is very sensitive to the quality of the image of the target that is captured, particularly in relation to a determination application which uses a prior calibration of the image of the front face of the target to locate the projectile there.

[0012] However, the use of an arm of sufficient length to capture the image of the front face of the target induces possible vibrations of the optical system carried by said arm, in particular due to the impact of the projectile on the target carrying said arm, which is detrimental to the quality, in particular the sharpness, of the image used to determine the reception zone.

[0013] The invention aims to improve the prior art by proposing in particular equipment for playing a game of throwing a projectile, in which the reception zone of said projectile on a target can be determined optically in a simple and reliable manner, in particular without requiring a specific target.

[0014] To this end, the invention proposes equipment for playing a projectile throwing game, said equipment comprising a target having a front face provided with zones for receiving a projectile according to an aiming result, said target having a rear face equipped with two pads which are arranged to each come to bear on a fixing wall of said target, said equipment comprising an arm for supporting an optical system for determining a zone in which a projectile is present, the rear end of said arm being equipped with a module for associating said arm with said target by arranging the optical determination system at a distance from the front face of said target,the arm association module having a rear face carrying a first of the pads and being equipped with a stirrup having a front jaw and a rear jaw forming between them a housing in which a portion of the edge of the target can be arranged with a portion of the front face of the target facing a rear face of the front jaw and a portion of the rear face of the target facing a front face of the rear jaw, said arm association module being equipped with a device for moving the rear jaw relative to the first pad.,

[0015] Other features and advantages of the invention will appear in the following description, given with reference to the appended figures, in which:

[0016] - Figure 1 shows in front view the front face of a standard dartboard for equipment according to an embodiment of the invention;

[0017] - Figure 2 is a schematic perspective representation seen from the front of a gaming equipment according to an embodiment of the invention, Figure 2a being an enlarged view of Figure 2 centered on the support arm of the optical determination system (not shown), in which the protective screen of the reception module of said system has been removed;

[0018] - figures 3 and 4 represent the play equipment of figure 2, respectively in partial side view and in perspective view from the rear;

[0019] - figures 5a and 5b represent in front perspective respectively the module for associating the support arm with the target and the support module of figure 2;

[0020] - figure 6 represents in perspective a module for associating the support arm with the target according to another embodiment of the invention;

[0021] - figures 7a and 7b represent in perspective view respectively from the front and from the rear, the receiving module of the optical system of figure 2; - figures 8a, 8b and 8c represent a module for associating the support arm with the target according to another embodiment of the invention, respectively in perspective (figure 8a) and in axial section following two positions of movement of the rear jaw, respectively a low position (figure 8b) and a high position (figure 8c) allowing the pads to be pressed;

[0022] - figures 9a and 9b represent in perspective view respectively from the front and from the rear, a reception module of the optical system according to another embodiment of the invention.

[0023] In connection with these figures, equipment for playing a projectile throwing game is described below, which comprises a target 1 which has a front face 1a provided with areas for receiving a projectile according to an aiming result.

[0024] In the embodiments shown, the target 1 is suitable for a dart throwing game. Alternatively, the target 1 may be suitable for throwing other types of projectiles, for example arrows, in particular in the context of a sporting and / or leisure activity such as archery or crossbow shooting, or even throwing balls.

[0025] Target 1 comprises several projectile reception areas, corresponding to different aiming results. In relation to Figure 1, relating to a dart throwing game, target 1 has a circular geometry and its front face 1a comprises:

[0026] - twenty angular sectors 2 of equal dimensions, each angular sector 2 comprising: o two “simple” zones 2a, respectively interior and exterior, which make it possible to obtain a number of points equal to the numerical value 3 inscribed on the exterior of the corresponding angular sector 2; o an exterior “double” zone 2b, which makes it possible to obtain a number of points equal to double this numerical value 3; and o an interior “triple” zone 2c, which makes it possible to obtain a number of points equal to triple this numerical value 3;

[0027] - a central zone 4, called “Bull”, located in the center of target 1, and allowing you to obtain a number of points equal to 50.

[0028] In the description, the terms of positioning in space are taken with reference to the target 1 as represented in the figures, and in particular with respect to its central axis (perpendicular to the front face 1a of the target 1 represented in figure 1). Thus:

[0029] - the terms “exterior” and “interior” refer to arrangements respectively distant and close to this central axis; and

[0030] - the terms “axial” and “radial” refer to arrangements respectively following this axis and moving away from or towards it;

[0031] - the term “angular” relates to an arrangement following a rotation around this central axis.

[0032] Furthermore, the terms "front" and "back" are taken in reference to the position of a player facing target 1 to practice the game, and designate positions respectively close to and far from said player.

[0033] The target 1 can be fixed to a support wall, for example to a wall, by means of suitable means (not shown), for example hooks arranged in the upper part and / or on the rear face 1b of said target. The rear face 1b is equipped with two pads 5a, 5b arranged to each come to bear on the fixing wall of the target 1, in order to stabilize it during the practice of the game, by limiting the oscillations due to the impact of a projectile on it.

[0034] The equipment further comprises an arm 6 for supporting an optical system for determining a zone 2, 2a, 2b, 2c, 4 in which a projectile is present, the rear end 6a of said arm being equipped with a module 7 for associating said arm 6 with the target 1, by arranging the optical determination system at a distance from the front face 1a of said target. In relation to the figures, the module 7 for associating the arm 6 has a rear face 8 carrying the first pad 5a, and is equipped with a stirrup 9 having a front jaw 10 and a rear jaw 11 forming between them a housing 12 in which a portion of the outer edge 1d of the target 1 can be arranged, with a portion of the front face 1a of the target 1 facing a rear face of the front jaw 10, and a portion of the rear face 1b of the target 1 facing a front face 11a of the rear jaw 11.

[0035] In particular, the association module 7 is equipped with a device 13 for moving the rear jaw 11 relative to the first pad 5a.

[0036] According to the embodiments shown in Figures 2, 2a, 3, 4, 5a, 5b and 6, the front jaw 10 and the rear wall 8 carrying the first pad 5a are fixed relative to each other, and the displacement device 13 is arranged to move the rear jaw 11 relative to the front jaw 10, so as to induce a pressing of the front face portion 1a of the target 1 on the rear face of the front jaw 10.

[0037] Thus, the association module 7 forms a clamp between the target 1 and the fixing wall, so as to exert pressure between them to prevent vibrations of said module and therefore of said support arm 6 which is associated with it, in particular under the effect of the impact of a projectile on said target.

[0038] Advantageously, the pads 5a, 5b are arranged on the rear face 1b of the target 1 so that the movement of the rear jaw 11, which in the aforementioned embodiments causes the front face portion 1a of the target 1 to be pressed against the rear face of the front jaw 10, also induces counter-support of the pads 5a, 5b which is arranged to allow them to be pressed against the fixing wall of the target 1.

[0039] This arrangement makes it possible to obtain three support points on the target 1, namely two on its rear face 1b and one on its front face 1a, so as to prevent any movement of said target upon impact of a projectile on its front face 1a. Thus, vibrations of the optical system carried by the arm 6 are avoided, in order to allow precise determination of the zone 2, 2a, 2b, 2c, 4 of the target 1 where the projectile is present.

[0040] The jaws 10, 11 also make it possible to form a housing 12 whose initial axial dimension is greater than the thickness of the target 1, the latter corresponding to the axial dimension of its edge 1e, measured between its front 1a and rear 1b faces. As a result, it is easy to place the outer edge 1d of the target 1 between the jaws 10, 11 before tightening the displacement device 13. In addition, the equipment is thus made compatible with different thicknesses of targets 1.

[0041] In the embodiments shown, the first pad 5a is arranged axially at the rear of the stirrup 9.

[0042] In particular, the association module 7 has a U-shaped geometry having a rear wall 14 under which the first pad 5a is formed.

[0043] In Figures 2, 2a, 3, 4, 5a, 5b and 6, this U-shaped geometry also has a front wall 15 forming the front jaw 10, said walls being connected by a substantially axial intermediate wall 16 forming the base of said U. The rear jaw 11 is furthermore movable between the front 15 and rear 14 walls of the U, so as to induce a pressing of the target 1 against the front jaw 10.

[0044] Furthermore, in Figures 2 to 5a, the front wall 10 is formed by two fingers 17 for retaining the portion of the edge 1b of the target 1 in the housing 12.

[0045] According to a first embodiment, shown in Figures 2 to 5b, the device 13 for moving the rear jaw 11 comprises a wheel 18 that can rotate on a cam path, in particular formed in the rear wall 14, the rear jaw 11 being engaged on said wheel so that a rotation of said wheel induces an axial movement of said rear jaw. In particular, the wheel 18 comprises an actuating lever 19 which extends projecting outside the stirrup 9, the player manually grasping said lever to actuate the wheel 18 in the direction of tightening or loosening the rear jaw 11.

[0046] In relation to figures 4 and 5a, the association module 7 has an oblong groove 20 which extends angularly at the axial intersection between the rear 14 and intermediate 16 walls, and through which extends the lever 19 for actuating the wheel 18, the longitudinal ends of said groove respectively delimiting the maximum clamping position and the maximum unclamping position of the rear jaw 11.

[0047] According to a second embodiment, shown in Figure 6, the device 13 for moving the rear jaw 11 comprises a threaded rod 21 actuated in rotation by a button 22, the rear jaw 11 being engaged on said rod so that a rotation of said button induces an axial movement of said rear jaw.

[0048] In particular, the threaded rod 21 extends axially on an outer face of the intermediate wall 16 forming the base of the U, and the rear jaw 11 has a nut 23 made integrally with it which extends radially through an axial slot 24 formed in said intermediate wall, being provided with a tapped hole in which the threaded part of the rod 21 is arranged.

[0049] The association module 7 has a front base 25 which extends radially outside the front jaw 10 and on which the rear end 6a of the support arm 6 can be mounted.

[0050] In Figures 2 to 5a, the base 25 comprises a sleeve 26 integral with it which extends in a substantially axial direction from a front wall of said base, and in which the rear end 6a of the support arm 6 can be reversibly mounted, for example by fitting. In Figure 6, the base 25 has an internal bore 27 in which the threaded rod 21 of the device 13 for moving the rear jaw 11 and its button 22 for actuating in rotation are mounted, as well as an external bore 28 in which the rear end 6a of the support arm 6 is intended to be mounted.

[0051] In the embodiments shown, the second pad 5b is placed radially opposite the first pad 5a, in particular by arranging the two pads 5a, 5b in a median horizontal plane passing through the center of the target 1. This arrangement of the pads 5a, 5b makes it possible to limit the risk of oscillations of the target 1, in particular after an impact of a projectile on an area close to the outer edge 1d of said target.

[0052] The equipment comprises a support module 29 having a rear wall 30 under which the second pad 5b is formed. In Figures 2, 3 and 4, this support module 29 is further equipped with:

[0053] - an axial rim 31, formed in the external extension of the rear wall 30, and intended to be arranged opposite a rear portion of the slice 1e of the target 1;

[0054] - a front wall 32 opposite which a rear portion of the edge 1d of the target 1 can be arranged, said support module being equipped with a device 33 for moving said front wall which is capable of inducing a pressing of the front wall 32 on said rear edge portion.

[0055] Advantageously, the support module 29 is equipped with a device 33 for moving its front wall 32 which has a structure similar to that of the device 13 for moving the rear jaw 11, in order to improve the ergonomics of use of the equipment.

[0056] Thus, as shown in Figures 2, 3, 4 and 5b, this second displacement device 33 comprises a wheel 34 on which the front wall 32 is engaged, which is rotatable on a cam path formed in the rear wall 30 by means of an external lever 35 which extends through an oblong groove 36 extending angularly at the axial intersection between the rear wall

[0057] 30 and the axial rim 31.

[0058] The front end 6b of the support arm 6 is equipped with a module 37 for receiving the optical system for determining the reception area of ​​a projectile on the target 1.

[0059] In the figures, the receiving module 37 comprises a support plate 38 equipped with a clamp 39 for fixing a device of the optical determination system.

[0060] In relation to figures 7a and 7b, the clamp 39 comprises two lateral tabs 40 which are each mounted in horizontal translation in a housing 41 formed for this purpose in the lower part of the support plate 38, each tab 40 having a rear tab 42 which projects through a recess 43 formed at the rear of said support plate, in order to allow the movement of said tabs by manipulation of said tabs for their tightening or loosening around the apparatus of the optical system.

[0061] In particular, each tab 42 comprises two faces for manipulation by the player, at least one of said faces being provided with a network of raised patterns 44 to facilitate finger gripping.

[0062] Advantageously, the optical system device is a portable terminal of the smartphone or touch tablet type, and comprises:

[0063] - an optical image capture device, which can be directed towards the target 1 in order to be able to take at least one photograph and / or a video of the front face 1a of the target 1;

[0064] - a display screen, in particular a touch screen, capable of displaying an image of the front face 1a of the target 1 captured in real time by the optical device, as well as at least one aiming result relating to the zone 2, 2a, 2b, 2c, 4 in which a projectile launched by the player is present. In particular, the equipment does not require a specific device or target 1, and can therefore be used with different types of standard commercial devices and / or targets 1.

[0065] The support plate 38 is provided with a rear face 46 in the center of which is arranged an end piece 45 adapted to allow the mounting in ball joint connection of the reception module 37 on the front end 6b of the support arm 6, in order to be able to orient said reception module according to the relative position of the player with respect to the target 1, in particular to orient the display device of the apparatus in the direction of said player.

[0066] The reception module 37 further comprises a prism 47 for viewing the front face 1a of the target 1 by the optical device of the apparatus, said prism being mounted in rotation and / or in translation on said module, in order to be able to adjust the orientation of said prism in the direction of said target independently of the adjustment of the ball joint connection of the support plate 38 on the arm 6, and therefore of the orientation of the apparatus.

[0067] In relation to figures 2a, 4, 7a and 7b, the receiving module 37 comprises a rail 48 which extends horizontally in the upper part of the support plate 38, and on which a base 49 carrying the prism 47 is mounted in translation. Furthermore, the prism 47 is mounted in rotation in its base 49 along a horizontal axis perpendicular to the plane containing the support plate 38, which makes it possible to adapt the orientation of said prism relative to the front face 1a of the target 1 according to the laterality of the mounting of the arm 6 on said target.

[0068] As shown in Figures 2 and 4, the support plate 38 is surmounted by a screen 50 for the protection of the device, in particular against the impact of a possible incorrectly launched projectile, said screen allowing vision through it, for example by being made at least partially of a transparent or translucent material, in order to allow the player to view the aiming result(s) displayed on the screen of the device. Figures 8a to 8c represent an association module 7 according to another embodiment, in which the function of clamping the target 1 in the stirrup 9 is dissociated from the function of supporting said target on its fixing wall.

[0069] To do this, the displacement device 13 is associated with the stirrup 9 so as to jointly move the front jaw 10 and rear jaw 11, said front jaw 10 being configured to exert a clamping force on the portion of the edge 1d arranged in the housing 12.

[0070] In Figures 8a to 8c, the stirrup 9 has a U-shaped geometry, and comprises a rigid part which has:

[0071] - a rear radial wall 9a forming the rear jaw 11;

[0072] - a front wall 9b which extends radially outwards relative to said rear jaw, and on which is attached an elastically deformable clamping tab 51 forming the front jaw 10;

[0073] - an intermediate wall 9c which extends axially between the front 9b and rear 9a radial walls.

[0074] In this embodiment, the pads 5a, 5b are also arranged on the rear face 1b of the target 1 so that the movement of the rear jaw 11 induces a counter-support of the pads 5a, 5b arranged to allow them to be pressed against the fixing wall of the target 1.

[0075] To do this, the second pad 5b is advantageously placed radially opposite the first pad 5a, as described previously.

[0076] Furthermore, the association module 7 also has a U-shaped geometry having a rear wall 14 under which the first pad 5a is formed.

[0077] The displacement device 13 comprises a threaded rod 21a which is mounted in a tapped hole formed on the front wall 9b of the stirrup 9, and which can be actuated in rotation by a rotating button 22a mounted on the base 25, in order to allow an axial translation of said stirrup, and therefore a displacement of the rear jaw 11, by rotation of said button.

[0078] Thus, in this embodiment, the function of clamping the jaws 10, 11 on the target 1 is achieved by elastically clamping the edge portion 1d of said target between said jaws, the front jaw 10 deforming elastically to press said edge portion against the rear jaw 11.

[0079] Similarly, as shown in Figure 8c, the function of pressing the pads 5a, 5b onto the fixing wall of the target 1 is performed by actuating the device 13, the tightening of which causes a joint axial movement of the jaws 10, 11 forward, and a separation of said target relative to said fixing wall.

[0080] In particular, in this embodiment, the rear wall 14 has two radial tabs 14a between which the rear jaw 11 is intended to be arranged in its maximum rear position.

[0081] Furthermore, the intermediate wall 16 has an axial slot 52 in which the tongue 51 forming the front jaw 10 is intended to slide axially during movements of the stirrup 9 by actuation of the button 22a.

[0082] Advantageously, the second skate 5b can be mounted on the target 1b by means of a support module which has an elastically deformable front jaw and a device for joint movement of the jaws of structures similar to those of the module 7 as shown in FIGS. 8a to 8c, in order to improve the ergonomics of use of the equipment.

[0083] In relation to figures 9a and 9b, a module 37 for receiving the optical system for determining the reception zone of a projectile on the target 1 is now described, according to another embodiment of the invention. In these figures, the clamp 39 comprises two lateral tabs 40 mounted in the lower part of the support plate 38, and between which an optical system is intended to be wedged horizontally.

[0084] One of these tabs 40b is fixedly mounted on the support plate 38, and the other tab 40a is mounted in horizontal translation in a housing 41a formed for this purpose on said support plate, having a rear tab 42a arranged to allow the movement of said movable tab by manipulation of said tab, and thus the tightening or loosening of said tabs around the apparatus of the optical system.

[0085] In particular, the tab 42a comprises two faces for manipulation by the player, at least one of said faces being provided with a network of raised patterns 44a to facilitate finger gripping.

[0086] In these figures, the receiving module 37 comprises an oblong slot 53 which extends horizontally in the upper part of the support plate 38, and inside which a base 49 carrying the prism 47 is mounted in translation.

[0087] Furthermore, as for the previous embodiments, the prism 47 is mounted in rotation in its base 49 along a horizontal axis perpendicular to the plane containing the support plate 38, which makes it possible to adapt the orientation of said prism relative to the front face 1a of the target 1 according to the laterality of the mounting of the arm 6 on said target.

[0088] The support plate 38 is also surmounted by a screen 50a for the protection of the device, in particular against the impact of a possible incorrectly launched projectile, said screen allowing vision through it, for example by being made at least partially of a transparent or translucent material, in order to allow the player to view the aiming result(s) displayed on the screen of the device. In this embodiment, the screen 50a is reversibly mounted on the module 37 by means of a rigid tab 54 which has a front end on which said screen is fixed, as well as a rear end provided with means 55 adapted to allow its reversible clipping in the upper part of the support plate 38.

[0089] In particular, the tab 54 has an inverted U-shaped geometry which is arranged to arrange the screen 50a in a vertically inclined manner opposite the support plate 38, in order to allow the player to pass a hand under said screen when he wishes to interact with the device, for example to activate an interactive button displayed on the touch screen of a portable terminal of the smartphone or touch tablet type.

[0090] The equipment may further comprise an application for the optical system, said application comprising means for counting points in relation to the determined aiming results. This application may in particular be installed on the player's portable terminal when purchasing and / or using the equipment for the first time, for example by interacting, by means of the capture device and / or an application adapted to said portable terminal, with an interactive link of the QR code type (for "Quick Response") printed on a label or instructions placed in the marketing packaging of said equipment.

[0091] The application comprises at least one algorithm arranged to determine a zone 2, 2a, 2b, 2c, 4 of presence on the target 1 of a projectile launched by a player, in order to deduce an aiming result and to carry out a count of the points scored by said player.

[0092] To do this, the application comprises an image processing algorithm, arranged to first perform a detection of the target 1 in a stream of images captured in real time by the optical device, for example by means of conventional open source artificial intelligence software. Then, after detection and isolation of the target 1 within this stream of images, this image processing algorithm launches a manual calibration step by the player, who is invited to identify, by interaction with the touch screen of his portable terminal, remarkable areas on the image of the target 1 displayed on said screen, for example the central area 4 and four corner areas. This calibration step can also be carried out by means of a so-called overlay process in order to facilitate the mapping of the target 1.

[0093] In particular, once this initial calibration has been carried out, the image processing algorithm can carry out automatic recalibrations, particularly in the event of movement of the portable terminal.

[0094] The image processing algorithm then launches a virtual mapping step of the target 1, in order to enable the identification of all the zones 2, 2a, 2b, 2c, 4 of said target by applying color and contrast differences.

[0095] Finally, each time the player launches a projectile at target 1, the image processing algorithm applies contrast and color processing to the image of said target captured in real time by the portable terminal, in order to isolate said projectile by differentiation processing on said image, for example by means of a conventional computer library such as the OpenCV library (C++).

[0096] Once the projectile image is isolated, the application launches a suitable mathematical algorithm to:

[0097] - determining the reception area of ​​said projectile on the target 1, by identifying in said image a suitable contrast area, for example corresponding to the tip of a dart. In particular, this algorithm can use an image of the shadow of the projectile, if present on the overall image of the target 1, to deduce the area of ​​the reception point at the intersection between said shadow image and the image of said projectile; - establishing a correspondence between the area of ​​the reception point identified on the image and the corresponding area on the virtual mapping of the target 1 previously carried out by the image processing algorithm, in order to precisely determine the area in which said projectile is present.

[0098] According to one embodiment, the darts can be magnified to facilitate their detection by increasing the contrasts, in particular by providing them with a plastic ring containing reflective glitter.

[0099] Once the reception zone has been determined, the application deduces an aiming result, for example a corresponding number of points won by the player thanks to the throwing of this projectile, which it can display directly on the screen of the portable terminal, so that the player can view it, and / or add it to a total score of points scored with previous throws, in order to display this total score later or simultaneously with the number of points won thanks to the last throw.

Claims

CLAIMS 1. Equipment for playing a projectile throwing game, said equipment comprising a target (1) having a front face (1 a) provided with zones (2, 2a, 2b, 2c, 4) for receiving a projectile according to an aiming result, said target having a rear face (1 b) equipped with two pads (5a, 5b) which are arranged to each come to bear on a fixing wall of said target, said equipment comprising an arm (6) for supporting an optical system for determining a zone (2, 2a, 2b, 2c, 4) in which a projectile is present, the rear end (6a) of said arm being equipped with a module (7) for associating said arm with said target by arranging the optical determination system at a distance from the front face (1a) of said target,said equipment being characterized in that the module (7) for associating the arm (6) has a rear face (8) carrying a first (5a) of the pads and is equipped with a stirrup (9) having a front jaw (10) and a rear jaw (11) forming between them a housing (12) in which a portion of the edge (1 d) of the target (1) can be arranged with a portion of the front face (1a) of the target (1) facing a rear face of the front jaw (10) and a portion of the rear face (1 b) of the target (1) facing a front face of the rear jaw (11), said module for associating the arm (6) being equipped with a device (13) for moving the rear jaw (11) relative to the first pad (5a)., 2. Equipment according to claim 1, characterized in that the displacement device (13) is associated with the stirrup (9) so as to jointly move the front (10) and rear (11) jaws.

3. Equipment according to claim 2, characterized in that the front jaw (10) is configured to exert a clamping force on the portion of the edge (1 d) of the target (1) in the housing (12).

4. Equipment according to claim 1, characterized in that the displacement device (13) is arranged to move the rear jaw (11) relative to to the front jaw (10) so as to induce a plating of the front face portion (1a) of the target (1) on the rear face of the front jaw (10).

5. Equipment according to any one of claims 1 to 4, characterized in that the pads (5a, 5b) are arranged on the rear face (1b) of the target (1) so that the movement of the rear jaw (11) induces counter-support of the pads (5a, 5b) which is arranged to allow the said pads to be pressed against the fixing wall.

6. Equipment according to any one of claims 1 to 5, characterized in that the first pad (5a) is arranged axially at the rear of the stirrup (9).

7. Equipment according to any one of claims 1 to 6, characterized in that the module (7) for associating the arm (6) has a U-shaped geometry having a rear wall (14) under which the first pad (5a) is formed.

8. Equipment according to any one of claims 1 to 7, characterized in that the second pad (5b) is placed radially opposite the first pad (5a).

9. Equipment according to any one of claims 1 to 8, characterized in that it comprises a support module (29) having a rear wall (30) under which the second pad (5b) is formed.

10. Equipment according to any one of claims 1 to 9, characterized in that the front end (6b) of the arm (6) is equipped with a module (37) for receiving the optical determination system.

11. Equipment according to claim 10, characterized in that the reception module (37) comprises a support plate (38) equipped with a clamp (39) for fixing a device of the optical determination system.

12. Equipment according to one of claims 10 or 11, characterized in that the reception module (37) comprises a prism (47) for viewing the front face (1a) of the target (1) by an optical device of the optical determination system.

13. Equipment according to claim 12, characterized in that the prism (47) is mounted in rotation and / or in translation on the reception module (37).

14. Equipment according to any one of claims 10 to 13, characterized in that the receiving module (37) is mounted in a ball joint on the front end (6b) of the arm (6).

15. Equipment according to any one of claims 1 to 14, characterized in that it further comprises an application for the optical determination system, said application comprising means for counting points in relation to the determined aiming results.

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