EP1218687B1 - Appareil et procede de simulation de tir - Google Patents

Appareil et procede de simulation de tir Download PDF

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Publication number
EP1218687B1
EP1218687B1 EP00964509A EP00964509A EP1218687B1 EP 1218687 B1 EP1218687 B1 EP 1218687B1 EP 00964509 A EP00964509 A EP 00964509A EP 00964509 A EP00964509 A EP 00964509A EP 1218687 B1 EP1218687 B1 EP 1218687B1
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EP
European Patent Office
Prior art keywords
shot
shooting
target
target image
movement
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EP00964509A
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German (de)
English (en)
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EP1218687A1 (fr
Inventor
Michael John Lake
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Individual
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G3/00—Aiming or laying means
    • F41G3/26—Teaching or practice apparatus for gun-aiming or gun-laying
    • F41G3/2616—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device
    • F41G3/2622—Teaching or practice apparatus for gun-aiming or gun-laying using a light emitting device for simulating the firing of a gun or the trajectory of a projectile
    • F41G3/2627—Cooperating with a motion picture projector
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A33/00—Adaptations for training; Gun simulators
    • F41A33/02—Light- or radiation-emitting guns ; Light- or radiation-sensitive guns; Cartridges carrying light emitting sources, e.g. laser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J9/00—Moving targets, i.e. moving when fired at
    • F41J9/14—Cinematographic targets, e.g. moving-picture targets

Definitions

  • the present invention relates to shooting simulation apparatus, and particularly but not exclusively to shooting simulation apparatus for use in the sport of clay pigeon shooting.
  • shooting simulation apparatus for use with a shooting device, the apparatus including: projection means for projecting a moving target image onto a projection surface; control means for controlling the movement of the target image; initiating means, in communication with the control means, for instructing the control means to commence the movement of the target image; shot simulation means, for simulating the path of a shot fired by the shooting device; and shot detection means, for detecting the location of the simulated shot on the projection surface, wherein the shot detection means is mounted so as to be movable with the projection means and detects the location of a simulated shot only within a detection area on the projection surface, the detection area being movable in dependence upon the movement of the target image.
  • the shooting device is preferably a gun.
  • the gun is preferably a shot gun, and is most preferably a shot gun suitable for use in the sport of clay pigeon shooting.
  • the projection means preferably comprises a first optical beam generator means for emitting a target optical beam and optical beam directing means.
  • the first optical beam generator means is preferably a laser diode.
  • the laser diode preferably emits a red laser beam.
  • An optical lens assembly may be provided in front of the laser diode, generally across the laser beam path, operable to change the diameter of the target optical beam and hence the size of the target image.
  • the optical lens assembly preferably includes a movably mountable optical lens and a motor means operable to move the optical lens towards or away from the laser diode.
  • the optical beam directing means preferably comprises means for independently moving the target optical beam in each of two substantially perpendicular directions.
  • the optical beam directing means is preferably operable to move the target optical beam across a 120° arc path, preferably in a time of less than two seconds.
  • the optical beam directing means preferably comprises a movably mounted reflective member, movement of the reflective member causing movement of the target optical beam in one direction, and a movable arm, for mounting the first optical beam generator means thereon, movement of the arm causing movement of the target optical beam in the other direction.
  • the optical beam directing means may comprise two movably mounted reflective members, movement of each reflective member respectively causing movement of the target optical beam in each of the two directions.
  • the optical beam directing means may comprise a movable arm, for mounting the first optical beam generator means thereon, movement of the arm in each of the two directions causing related movement of the target optical beam in each of the two directions.
  • the or each reflective member may be a glass mirror, or may be a coating of reflective material on a substrate, such as a plastic.
  • the or each reflective member is preferably mounted for rotational movement.
  • each reflective member is preferably rotatable under the control of a motor, such as a servo motor or a DC motor. Where there are two reflective members, each reflective member may be rotatable under the control of a separate motor, or both reflective members may be rotatable under the control of a single motor geared to provided rotational movement about both directions.
  • a motor such as a servo motor or a DC motor.
  • the or each reflective member is preferably rotatable between a first position and a second position in one sense or in the opposite sense.
  • the first optical beam generator may be operable to be actuated substantially only during movement of the or each reflective member.
  • the or each reflective member may be substantially continuously rotatable in one sense, the first optical beam generator preferably being operable to be actuate only for part of each complete rotation.
  • the control means preferably comprises a microprocessor, and may further comprise a display screen.
  • the control means is preferably a personal microprocessor.
  • the control means is preferably operable to control the movement of the target image across a selected one of a plurality of different paths of movement.
  • the control means preferably further comprises selection means to enable a user to select a path of movement for the target image.
  • the control means displays the selected path of movement on the display screen.
  • the control means may also display a background image on the display screen, to enable the user to assess their shooting position in relation to the target and a selected background.
  • the background image is preferably appropriate to the selected path of movement of the target image, and the selected shooting discipline.
  • the initiating means is preferably a voice activated switch means, which preferably comprises a microphone and an electrical signal generator means for sending a signal to the control means when a voice command is received.
  • the initiating means is preferably an acoustic release.
  • the initiating means may be a manually operable switch means, and may comprise a microprocessor mouse button or a microprocessor keyboard key.
  • the shooting simulation apparatus preferably further comprises a shot simulation means, for simulating the path of a shot fired by the shooting device.
  • the shot simulation means preferably comprises a switch means and a second optical beam generator means in communication with the switch means.
  • the switch means is preferably actuated when a shot is fired by a user.
  • the second optical beam generator means preferably emits an optical beam when the switch means is actuated.
  • the switch means is preferably mountable on the shot gun trigger, such that pulling the trigger actuates the switch means and the second optical beam generator.
  • the switch means is preferably an electrical microswitch.
  • the second optical beam generator means is preferably a laser diode.
  • the wavelength of the light emitted by the shot simulation laser diode is preferably widely spaced in wavelength from the wavelength of the target optical beam.
  • the shot simulation laser diode is preferably operable to emit an infra-red laser beam.
  • the shot simulation laser diode is preferably operable to emit pulses of laser light. The pulses are preferably of approximately 20 milliseconds duration.
  • the shot simulation laser diode is preferably mountable on the barrel of the shot gun, and is most preferably mountable inside a barrel of the shot gun, towards the muzzle of the shot gun.
  • the shot simulation means preferably further comprises a signal emitter means in communication with the switch means for sending a signal to a signal receiver means on the control means, for indicating to the control means that a shot has been fired.
  • the signal emitter means is preferably mountable on a barrel of the shot gun, and is most preferably mountable towards the muzzle of the shot gun.
  • the signal emitter means is preferably a third optical signal generator means, and is most preferably in infra-red light emitting diode.
  • the signal receiver means is preferably a first optical detector means suitable for detecting infra-red light.
  • the shot simulation means preferably further includes an electrical power supply means mountable on the shot gun for supplying power to the shot simulation laser diode and to the LED.
  • the electrical power supply means is preferably a battery.
  • the weight of the battery is substantially equal to the combined weight of the shot simulation laser diode and the LED.
  • the battery is mountable on the trigger side of the balance point of the shot gun, such that the weight of the battery counter balances the combined weight of the shot simulation laser diode and LED provided towards the muzzle of the shot gun, thereby ensuring that the shot gun remains balanced.
  • the apparatus may further include recoil simulation means mountable on the shot gun, to simulate recoil on firing a shot.
  • the recoil simulation means preferably comprises a gun cartridge containing compressed gas, such as air.
  • the cartridge is preferably loadable into the user's gun in the same location as a standard cartridge is loaded.
  • the compressed gas in the cartridge is preferably released when the gun is fired, thereby simulating the recoil experienced when a standard cartridge is fired by the gun.
  • An audio speaker means may be provided in communication with the control means for emitting an audible signal when the gun is fired.
  • the audible signal preferably simulates the noise made by a shot gun on firing.
  • the shooting simulation apparatus preferably further comprises shot detection means, for detecting the location of a simulated shot on the projection surface.
  • the shot detecting means preferably comprises a second optical detector means for detecting the shot simulation laser diode beam on the projection surface.
  • the second optical detector means is preferably a CMOS area image sensor having an infra-red filter member provided thereacross, or may alternatively comprise a charged coupled device.
  • the second optical detector means is preferably provided within the projection means, most preferably generally alongside the first optical beam generator means.
  • the second optical detector means preferably has about a 20° field of vision, preferably generally around the target optical beam.
  • the shot detection means is preferably in communication with the control means, for sending information to the control means regarding the location of the shot simulation laser diode beam.
  • the control means preferably comprises processing means for determining the location of the simulated shot with respect to the location of the target beam on the projection surface. The estimate location of the simulated shot and the target image may be displayed on the display screen, thereby enabling the user to see whether the target image was hit by the simulated shot, or whether the target image was missed, and if so, the location of the simulated shot in relation to the target image.
  • the shooting simulation apparatus may further comprise an image projecting means for projecting the background image onto the projection surface.
  • the shooting simulation apparatus may further comprise measuring means for determining the distance between the projection means and the projection surface.
  • the measuring means is preferably sonar device, such as an ultrasonic measuring device.
  • the shooting simulation apparatus may comprise a plurality of projection means to thereby enable a plurality of target images to be projected onto the projection surface.
  • the control means preferably includes a means whereby the user may create and edit the data necessary for the generation of targets, their display and their projection.
  • Such means are preferably in the form of one or more computer programs runnable on a personal computer.
  • the control means preferably includes means for simulating doubles shooting as well as single shooting.
  • the control means may include means for simulating on-report doubles, where the release of the second target takes place when the user fires at the first, and simultaneous doubles where both targets are released simultaneously.
  • the target images for simultaneous doubles are preferably projected by separate projection means, one for each target.
  • the target images for simultaneous doubles may be projected by one projection means which projects the first target image and then immediately switches to projecting the further second target image when the user fires at the first.
  • the control means preferably includes a visible indication of readiness to shoot. This is required for many shooting disciplines, particularly Olympic ones.
  • the visible indication is preferably a multi-colour light emitting diode (LED).
  • the control means preferably includes a delay mechanism which may be used to impose a delay between the time of initiating the target projection and the actual projection. Such a delay mechanism is required for many shooting disciplines, particularly Olympic ones which require a random delay of between 0 and 3 seconds before the target is released.
  • the delay mechanism preferably includes a random number generator.
  • the control means preferably includes a means where the firmware and software controlling the microprocessors may be changed at any time by the user with updated data provided for that purpose. This form of updating may increase the life of products developed from the present invention and provide the user with new features as and when they become available.
  • the control means preferably includes independent control apparatus for a personal computer, such that the shooting discipline and target may be selected, the release of the simulated target initiated and the location of the shot detected and displayed, using the control apparatus.
  • the independent control apparatus is preferably a remote control apparatus.
  • the control means preferably includes means for controlling access to the shooting simulation apparatus.
  • the access control means may include a Smartcard and associated reader/writer mechanism.
  • the Smartcard is preferably capable of storing shooting credits, which may or may not be charged for, such that the control means may reduce the number of credits by one or more each time a shot is taken and cease to function when no credits remain.
  • control means may store the number of shots taken on the Smartcard so that charging may take place after shooting is finished.
  • the Smartcard is preferably also able to store data about the user, shot gun, cartridges and other factors so that the user can create and edit such data so that the Smartcard may be used to tailor the simulation apparatus to such data.
  • the Smartcard preferably includes security features to prevent misuse.
  • a method for simulating shooting including the steps of projecting a moving target image onto a projection surface and controlling the movement of the target image and wherein movement of the target image may be initiated by a signal from a user; simulating the path of a shot fired by a shooting device; and detecting the location of the simulated shot onto the projection surface, wherein the shot detection means is movable with the projection means and detects may detect the location of a simulated shot only within a detection area on the projection surface, the detection area being movable in dependence upon the movement of the target image.
  • the target image is produced by a target optical beam, which may be a red laser beam.
  • the method may include the step of moving the target optical beam in either or both of two substantially perpendicular directions.
  • the method may include the step of generating the optical beam using an optical beam generating means, which may be a laser diode.
  • the method may include the step of moving the target optical beam by moving the optical beam generator means.
  • the method may include the step of reflecting the target optical beam from a moveably mounted reflective member.
  • the method may include the step of moving the reflective member to cause movement of the target optical beam.
  • the method may include the step of actuating the optical beam generator substantially only during movement of the reflective member.
  • the reflective member may be substantially continuously rotated in one sense, the first optical beam generator being actuated only for part of each complete rotation.
  • the method may include the use of a control means to control the movement of the target image across the projection surface.
  • the target image may be controlled so as to move across a selected one of a plurality of different paths of movement.
  • the method may include the selection of one path of movement for the target image.
  • the method may include the display of the selected path of movement on a display means of the control means.
  • the target shown on the display means may change size as it moves along the selected path of movement, to thereby provide a user with information relating to the distance of the target from the user, the user watching the movement of the target on the display means before taking up position and shooting at the target image on the projection surface.
  • the method may further include displaying numerical distance data on the display means during the display of the selected path of movement, the user watching the movement of the target on the display means before taking up position and shooting at the target image on the projection surface.
  • the method may further include the display of a background image on the display means, to enable the user to assess their shooting position in relation to the target selected background.
  • the method may include the step of initiating the movement of the target image using a voice activated switch means.
  • the movement may be initiated by a manually operable switch means which may include a microprocessor mouse button or a microprocessor keyboard key.
  • the method preferably further includes the step of simulating a shot fired by a shooting device.
  • the method may include the step of providing an optical beam when a switch means is actuated by a user. Actuation of the switch means may be caused by the user pulling a trigger of the shooting device.
  • the wavelength of the light in the second optical beam is preferably spaced from the wavelength of the light of the target optical beam.
  • the second optical beam includes pulses of laser infra-red light, which may be of approximately 20 milliseconds in duration.
  • the method may further include the step of sending a signal to a signal receiver means on the control means, for indicating to the control means that a shot has been fired.
  • a signal receiver means on the control means for indicating to the control means that a shot has been fired.
  • the sending of the signal is initiated by the pulling of the trigger of the shot gun.
  • the signal preferably includes infra-red light.
  • the signal is preferably detected by an optical detector means associated with the control means.
  • the method preferably further includes the step of detecting the location of the second optical beam on the projection surface.
  • the method may include the use of an optical detector means for detecting the second optical beam on the projection surface.
  • the method may include the step of processing the output of the shot detection means to determine whether the simulated shot would have hit the target.
  • the step of processing preferably includes calculating the displacement of the second optical beam from the location which the target would have reached by the time the simulated shot reached the same range as the target.
  • the method may include the step of displaying the estimated location of the simulated shot and the estimated location of the target, thereby enabling the user to see whether the target image was hit by the simulated shot.
  • the apparatus 10 includes a projection means 12 for projecting a moving target image onto a projection surface 14.
  • the projection means 12, shown in Fig. 3, includes an optical beam generator, in the form of a laser diode 24, which emits a red laser beam.
  • a mirror 30 is located in alignment with the laser diode such that a laser beam produced by the laser diode is reflected by the mirror and directed towards the projection surface.
  • the laser diode 24 is mounted on a swinging arm 26, which is able to swing across the plane of the paper, about a pivot point 28 located below the mirror 30.
  • the mirror 30 is mounted on an axle 32 supported by bearings 34.
  • the axle 32 is rotatable under the control of a motor 36.
  • the swinging arm 26 is able to pivot about the pivot point 28 such that its distal end 26A moves between positions A and B, thus altering the angle at which the laser beam emitted by the laser diode 24 hits the mirror 30.
  • the laser beam is reflected by the mirror 30 and directed towards the projection surface 14.
  • the target image 18 formed by the laser beam on the projection surface 14 moves from right to left across the projection surface 14.
  • the motor 36 is able to rotate the axle 32 in a clockwise or anticlockwise direction, i.e. bringing the lower edge 30a of the mirror towards the laser diode 24 or away from the laser diode respectively. This causes the laser beam to be directed higher or lower on the projection surface.
  • the projection means 12 is operated under the control of a microprocessor 40.
  • the microprocessor 40 controls the movement of the swinging arm 26 and mirror 30 in order to move the target image 18 along a selected path of movement 42 across the projection surface 14. For example, to create a path which mimics the path of flight of a clay pigeon, the swinging arm 26 is gradually pivoted such that its distal end moves between positions A and B, as described above. Then while the swinging arm 26 is moving between positions A and B the mirror 30 is rotated on the axle 32, firstly in the anticlockwise direction, i.e.
  • the combined effect of the motion of the laser diode 24 and the mirror 30 is to move the target image 18 across the projection surface 14 in an upwardly arced path 42, as shown in Fig. 6.
  • the shape of the path 42 is the same as that travelled by a real clay pigeon. The user's experience of shooting real clay pigeons enables the user to estimate the simulated distance to the simulated target from the shape of the path 42.
  • Information relating to a plurality of different paths of movement 42 of the target image 18 is stored within the microprocessor 40.
  • the user 16 may select a path of movement 42 from a menu on a display screen, using either the microprocessor keyboard or mouse. Following selection of a path of movement, the path 42 is displayed on the display screen.
  • information relating to the available paths of movement of the target image 18 is also stored by the microprocessor 40, and may be displayed on the display screen, thereby enabling the user to assess their shooting position in relation to the target and the background terrain.
  • the size of the target shown on the display screen changes as the target moves along the selected path 42 displayed on the display screen.
  • Numerical distance data may also be displayed on the display screen alongside the path 42, to assist the user 16 in estimating the simulated distance to the target image 18.
  • the microprocessor 40 takes the following variables into account: the size, shape and weight of the clay target; the altitude of the simulated shooting range; wind direction and strength; the distance of the user 16 from the projection means 12; and the height of the projection means 12 above ground level.
  • An ultrasonic measuring device (not shown) may be provided on the projection means 12, to enable the distance between the projection means 12 and the projection surface 14 to be measured.
  • An acoustic release 20 is provided for initiating the movement of the target image 18.
  • the acoustic release 20 comprises a microphone and an electrical signal generator device, and is in communication with the control microprocessor 40.
  • the microphone in the acoustic release 20 is sensitive to a voice command from a user 16, and when a voice command is received by the microphone the electrical signal generator is activated, and a signal is sent to the control microprocessor 40, thereby signalling to the microprocessor 40 that movement of the target image 18 should commence.
  • the acoustic release 20 is sensitive to the user shouting "pull", as they would when out on a shooting range.
  • the shooting simulation apparatus 10 additionally comprises shot simulation means, provided on a shot gun 22, for simulating the path of a shot fired by the shot gun 22.
  • the shot simulation means comprises an electrical microswitch 44 provided on the trigger 46 of the shot gun 22, and an infra-red laser diode 48 provided within one barrel 50 of the shot gun 22, towards the muzzle 52 of the shot gun.
  • a battery is also provided within an enclosure 54 on the shot gun 22 for providing electrical power to the microswitch 44 and the infra-red laser diode 48.
  • the infra-red laser diode 48 is in electrical communication with the electrical microswitch 44, such that when the trigger 46 of the shot gun is pulled, the microswitch 44 is thrown, and the infra-red laser diode 48 is actuated.
  • the infra-red laser diode 48 emits pulses of infra-red light, the pulses being of approximately 20 milliseconds duration.
  • shot detection means in the form of a CMOS area image sensor 38, are provided on the swinging arm 26.
  • the shot sensor 38 is provided on the swinging arm 26 generally adjacent to the laser diode 24.
  • the shot sensor 38 detects when a simulated shot has been fired by the shot gun 22 and detects the location of a simulated shot on the projection surface 14.
  • An infra-red filter 64 is provided across the face of the CMOS sensor 38, to ensure that the sensor 38 is sensitive only to infra-red light, as emitted by the infra-red laser diode 48 on the shot gun 22.
  • the shot sensor 38 has approximately a 20° field of vision around the target beam emitted by the laser diode 24. As the target image 18 moves across the projection surface 14, the field of vision of the shot sensor 38 correspondingly moves across the projection surface 14. Because the majority of the shots will either hit the target image 18, or miss the target image 18 by a small amount, it is only necessary for the shot sensor 38 to look for shots within a small region around the target image 18.
  • the shot sensor 38 is in communication with the control microprocessor 40, and passes a signal to the microprocessor 40 upon detection of the shot simulation beam from the infra-red laser diode 48.
  • the information is then processed by the microprocessor 40 in order to determine the location of the simulated shot with respect to the location of the target image 18.
  • the processing carried out by the microprocessor 40 takes into account various parameters relating to the target, the shot gun and the shot to be simulated.
  • the microprocessor 40 may include one or more of the following: the length of the shot gun barrel; the type of choke used in the barrel; the size of the shot to be simulated; the weight of the shot to be simulated; the muzzle velocity of the shot to be simulated; and the trajectory and speed of the target to be simulated. These variables enable the microprocessor 40 to predict the size and shape of the simulated ball of shot as it reaches the same range as the simulated target. From this, the microprocessor 40 can calculate the lateral and vertical displacement of the shot simulation beam, on the projection surface 14, from the location which the simulated target will have reached by the time the simulated shot has reached the same range as the simulated target.
  • the microprocessor can thereby determine whether the simulated shot Has hit or missed the simulated target, and if the simulated target has been missed, by how far the target was missed by the simulated shot, and in which direction relative to the simulated target, the simulated shot was travelling.
  • a signal emitter means in the form of an infra-red light emitting diode 56 is provided on the other barrel 58 of the shot gun, towards the muzzle 52 of the shot gun (see Fig. 5).
  • the infra-red LED 56 is also in communication with the electrical microswitch 44, and is powered by the battery 54.
  • the infra-red LED 56 is actuated and emits an infra-red optical signal, for receipt by an optical detector 60, in communication with the control microprocessor 40. Receipt of a signal from the infra-red LED 56 by the optical detector 60 provides an indication to the control microprocessor 40 that a shot has been fired by the shot gun 22.
  • the electrical microswitch 44, infra-red laser diode 48, battery 54, and infra-red LED 56 are arranged on the shot gun 22 such that the combined weight of the infra-red laser diode 48 and infra-red LED 56 are counter-balanced by the weight of the microswitch 44 and the battery 54, so that the balance of the shot gun 22 about its balance point 62 is maintained. It is important that this condition is met, so that when the user's shot gun has the aforementioned parts of the shooting simulation apparatus 10 provided on it, the user's shot gun feels the same as when the user is using an unadorned shot gun.
  • An audio speaker 66 is provided in communication with the control microprocessor 40, and emits an audible signal when the shot gun 22 is fired, to simulate the noise made by a shot gun on firing.
  • Recoil simulation means in the form of a gun cartridge 68 containing compressed air may be loaded into the shot gun 22, in the manner in which a standard cartridge would be loaded into the shot gun.
  • a firing mechanism within the shot gun 22 impacts on one end of the cartridge 68, causing the compressed air to be released, and thereby simulating the recoil experienced from a standard cartridge as fired by a shot gun.
  • a background image projector 70 may also be provided, in communication with the control microprocessor 40, for projecting the selected background image onto the projection surface 14.
  • the target image 18 may be located a relatively short distance from the user, it is necessary for the user to fire the gun as if the target was located as it would be on a clay pigeon shooting range.
  • the background image helps the user to make this adjustment.
  • the target image 18 moves across the projected background image and past specific objects within the background image. By knowing the distance represented by these objects the user 16 can judge the simulated distance to the target image 18. It is also helpful if the user has experience in clay pigeon shooting, such that he knows by experience how far away the target should be.
  • a calibration shot is made using the shooting simulation apparatus 10, to enable the control microprocessor 40 to calculate any misalignment between the sights on the shot gun 22 and the simulated shot laser beam emitted by the infra-red laser diode 48.
  • the microprocessor 40 can then automatically compensate for any misalignment during actual use of the shooting simulation apparatus.
  • the information collected from the calibration shot also provides the microprocessor 40 with additional information necessary for the microprocessor 40 to be able to calculate whether or not the simulated shot has hit the target image 18.
  • the user 16 selects a path of movement 47 for the target image 18, and a background across which the target image 18 will travel, from an on-screen menu, or by use of appropriate commands entered into the microprocessor 40.
  • the selected background and path of movement of the target image 18 will then be displayed on the microprocessor screen, to assist the user 16 in preparing for the shot.
  • the user 16 stands behind the projection means 12 with the muzzle 52 of the shot gun 22 positioned directly above the projection means 12, to thereby enable the angular position of the gun barrel to be co-ordinated with the angular position of the target image 18.
  • the user 16 then sets the shot gun 22 ready to fire a simulated shot at the target image 18.
  • the user shouts "pull", which is detected by the acoustic release 20.
  • the acoustic release 20 sends a signal to the control microprocessor 40 to instruct the control microprocessor 40 to commence movement of the target image 18 along the selected path of movement across the projection surface 14.
  • the control microprocessor 40 activates the shot simulation laser diode 24, and causes the mirror 30 and swinging arm 26 to undergo appropriate movement in order to cause the target image 18 to move through the selected path of movement 47.
  • the control microprocessor 40 simultaneously primes the shot sensor 38 to look for the simulated shot signal, from the shot simulation laser diode 48, on the projection surface 14.
  • the user 16 follows the target image 18 through the sights on the shot gun 22, as he would a clay target and fires a shot at an appropriate time, by pulling the trigger 46 on the shot gun 22.
  • the electrical microswitch 44 is actuated, causing the shot simulation laser diode 48 to activate, and emit pulses of infra-red laser light towards the projection surface 14.
  • Pulling of the trigger 46 simultaneously activates the signal emitter LED 56, which sends an infra-red light signal to the infra-red optical detector 60, in communication with the microprocessor 40, to indicate to the microprocessor 40 that a shot has been fired by the shot gun 22.
  • the microprocessor 40 then commences watching for a signal from the shot sensor 38, to indicate that a shot has been detected, by the shot sensor 38 detecting the location of the shot simulation laser diode 24 on the projection surface 14. Pulling of the trigger 46 also causes the simulated recoil cartridge 68 to discharge the compressed air stored within it, to simulate the recoil of the gun on firing, and the audio speaker 66 emits a signal simulating the firing of the gun.
  • the microprocessor 40 then processes the information received regarding the location of the shot simulation laser diode beam and the corresponding location of the target image 18 on the projection surface 14.
  • the stored information relating to the target, the shot gun and the shot is included in the calculation, in order to determine whether the simulated shot hit the target image 18, and if the target image 18 was missed by the simulated shot, the microprocessor 40 calculates where in relation to the target image 18 the simulated shot was fired.
  • the microprocessor must know how far away from the user the target is intended to be, in order to take into account how far ahead of the target the user should have fired (to take into account the distance travelled by the target while the "shot" is travelling towards it).
  • the projection means 72 comprises a swinging arm 74 which is movable across the plane of the page from position x to y, and in the direction into and out of the page.
  • a shot simulation laser diode 24 is provided on the swinging arm 74, and is directed towards a mirror 76, through a lens 78. Movement of the lens 78, under the control of a motor (not shown), towards or away from the laser diode 24 causes the diameter of the laser beam emitted by the laser diode 24 to change.
  • Movement of the swinging arm 74 from position x to position y causes a change in the angle at which the laser beam emitted by the laser diode 74 hits the mirror 76.
  • the laser beam is then reflected by the mirror 76 onto the projection surface 14, on which it moves in a direction right to left. Movement of the swinging arm 74 in a direction into the page, causes the laser beam emitted by the laser diode 24 to move generally downwardly across the mirror, and thus generally upwardly across the projection surface 14.
  • Movement of the lens 78 causes the size of the target image 18 to change.
  • An increase in the size of the target image 18 as it travels along its path of movement 42 indicates to the user 16 that the simulated target is moving towards the user 16.
  • a decrease in the size of the target image 18 indicates that the target is moving away from the user 16.
  • a shot sensor 38 is provided on the swinging arm 74, generally adjacent to the laser diode 24, for detecting the beam from the shot simulation laser diode 48 on the projection surface 14.
  • the infra-red light from the shot simulation laser diode 48 is reflected from the projection surface 14, and is directed onto the shot sensor 38 via the mirror 76 and lens 80.
  • the movement of the swinging arm 74 and the lens 78 is controlled by the microprocessor 40, in order to move the target image 18 across a selected path of movement, as described above.
  • the projection means 12, 72 is controlled by the microprocessor 40 using a simulator control language (SCL), as shown for example in Fig. 7.
  • SCL simulator control language
  • the simulator control language is a command and response language in which the commands are in the form command byte followed by parameter byte(s).
  • the command byte and parameter values are binary.
  • the commands shown by way of example in Fig. 7, are as follows:
  • FIG. 8A and 8B An alternative projection means 88 is shown in Figs. 8A and 8B, the same reference numerals being used for corresponding features.
  • the laser diode 24 includes a spacer 86 and lens 78 and is mounted alongside a CMOS image sensor pixel array 38, an infra-red filter 64, a spacer 85 and a lens 80.
  • This entire assembly is mounted with a motor 82 in an enclosure 84 which is itself mounted on a bracket 83 on a motor 81.
  • the motor 81 is able to rotate the bracket 83 and the enclosure 84 through an arc of 180° horizontally.
  • the motor 82 is able to rotate itself and the enclosure 84 around its own axis and the horizontal axis of the bracket 83 thus enabling the enclosure 84 to rotate through an arc of 180° vertically.
  • the enclosure 84, with the laser diode 24 and the image sensor 38, is thus able to undergo horizontal and vertical movement. This enables the laser diode 24 to project a target image which travels along a path 42 such as that shown in Fig. 10.
  • the combined movements of motor 81 and motor 82 enable the projection means 88 to project a spot of laser light from the laser diode 24 at any point on a vertical surface or horizontal surface 14 in front of or above the user.
  • the image sensor 38 Because the image sensor 38 is mounted alongside the laser diode, it detects light within a detection area 92 on the projection surface, the detection area tracking the target image 93.
  • the image sensor 38 has approximately a rectangular field of vision around the target beam emitted by the laser diode 24. As the target image 18 moves across the projection surface 14, the field of vision of the image sensor 38 correspondingly moves across the projection surfaces 14 (see Fig. 10).
  • the image sensor 38 is under the control of a microprocessor 87 which continually monitors the images falling on the image sensor pixel array 24 to detect the location and size of any bright spot of light falling within its field of view (i.e. within the detection area 93).
  • An infra-red filter 64 in front of the image sensor 24 ensures that the image sensor 38 is primarily sensitive to infra-red light such as that emitted by the second optical beam generator 48 which is placed in the end of the barrel 50 of the shot gun 22.
  • FIG. 8A and 8B An alternative projection means 91 is shown in Figs. 8A and 8B. This is a modified version of the projection means 88 shown in Figs. 8A and 8B with the addition of two mirrors 90 arranged such that an image arriving on path 89 is reflected through lens 80 to the image sensor 38. This enables the 'view' of the image sensor 38 to be genuinely coaxial with the projected target.
  • Fig. 11 shows the muzzle 52 of the shot gun 22 in more detail.
  • the infra-red laser diode 56, a spacer 99 and a lens 100 are provided towards the muzzle 52 within one barrel 50 of the shot gun 22.
  • a soft insertion, general oval, plastic ring 94 is designed to fit a variety of barrel calibres, with or without chokes, and to ensure perfect alignment of the laser diode 56 with the longitudinal axis of the barrel 50 because of the disc shaped flat alignment moulding 97.
  • a battery, microprocessor and associated electronics are provided within the enclosure 54 on the shot gun 22 for providing electrical power to the microswitch 44 and the second optical beam generator 52.
  • the infra-red laser diode 56 is in electrical communication with a microprocessor in enclosure 54 such that when the microswitch 44 on the trigger is pressed the infra-red laser diode 56 is actuated. Under the control of the microprocessor in the enclosure 54 the infra-red laser diode 56 emits pulses of infra-red light for approximately 30 milliseconds duration and with a maximum of two such pulses within any 10 second period.
  • Apparatus according to the invention may further include a remote control device 101, including a Smartcard reader/writer 104, a display 102 for showing menus and the results of each shot and buttons 103 for selecting disciplines or targets.
  • a remote control device 101 including a Smartcard reader/writer 104, a display 102 for showing menus and the results of each shot and buttons 103 for selecting disciplines or targets.
  • the control microprocessor 40 takes into account data read from a Smartcard inserted in the Smartcard reader/writer 104.
  • the data relates to the shot gun and cartridge being used (gun type, barrel length, barrel chokes used, muzzle velocity, powder type, powder amount, shot type, shot weight, etc.) and is used to calculate the time which would be taken for the shot to reach the same range as that of the target 18.
  • the microprocessor 40 then calculates the point 92 where the target would be by the time the shot arrived (see Fig. 10).
  • the microprocessor 40 takes into account the data associated with the shot gun and cartridge to calculate the spread of the shot 94 when it reaches the target area. If the onwardly calculated target position 92 lies within the spread of shot 94 then the shot is counted as a hit.
  • the microprocessor 40 can thereby determine whether the simulated shot has hit or missed the simulated target, and if the simulated target has been missed, by how far the target was missed by the simulated shot, and in which direction relative to the simulated target, the simulated shot was travelling.
  • a multi-colour LED 105 (see Figs. 8A and 9A) is provided to display status information about the system and to indicate ready-to-fire status to the user.
  • the multi-colour LED 105 is used in conjunction with a random number generator within microprocessor 40 to generate any random delay required between the shot being initiated and the target being projected. This feature is required for Olympic and other shooting disciplines.
  • the microprocessor 40 which may be a Personal Computer, may be used to control the shooting simulation apparatus and provide facilities for the creation, editing, storage and processing of data relating to target trajectories, three dimensional virtual reality range displays, shot gun data (type, barrel length, chokes used, etc.), cartridge data (muzzle velocity, powder used, shot type and weight, etc.) and environmental data (wind speed, wind direction, wind type and general weather conditions, etc.).
  • the microprocessor 40 also provides means to enable the user to select a discipline or individual target and provide a three dimensional preview of the target area, including the target and shot trajectories, prior to and after the shot is taken.
  • the microprocessor 40 may also provide a digital simulation of the target area as seen by the image sensor 38. This simulation shows the location of the target when the shot reached it, the exact centre of the shot and the spread of the shot. The microprocessor 40 may also analyse the location of each shot in relation to the position of the target and provide specific advice on how the user may improve his or her skills.
  • the microprocessor 40 may also provide means of downloading a sub-set of its entire target range into the memory of the remote control 101.
  • the microprocessor 40 may provide means to enable the organisation of competition shooting using the shooting simulation apparatus, and may enable access to the shooting simulation apparatus to be controlled or charged for by the use of Smartcards written to or read from using the Smartcard reader/writer 104.
  • the microprocessor 40 may further provide means for the user to obtain further target data and updates to software and microprocessor firmware via the Internet and means for downloading any changes to firmware directly to the remote control processor 101 and the image sensor processor 87.
  • the remote control 101 may carry out many of the functions of the microprocessor 40.
  • the described embodiments thus provide shooting simulation apparatus 10 for projecting a simulated target onto a suitable projection surface, the target being moved across the surface along the same angular flight path and at the same angular speed as a real clay target.
  • a shot from a shot gun 22 may be simulated, and the accuracy of the shot with respect to the simulated target image can be assessed, and displayed to a user.
  • the invention enables the skills of clay pigeon shooting to be practised without the use of real cartridges and clay targets, and thus avoids the associated costs.
  • the apparatus may be used with the user's own shot gun, enabling the user to use the apparatus as a training aid for the sport of clay pigeon shooting.
  • the target may be projected onto a projection surface in front of or above the user.
  • the invention may be used in connection with many different types of shooting disciplines, in addition to the described application with respect to clay pigeon shooting. It will also be appreciated that the SCL commands may be different to those described here. The SCL commands at least in part depend upon the projection means used, which may also be different to those described.
  • the microprocessor may be provided within the projection means.
  • a plurality of projection means 12, 72 may be used together, under the control of one or more controllers 40, to thereby enable a plurality of target images 18 to be projected onto the projection surface 14.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Claims (16)

  1. Appareil de simulation de tir (10) destiné à être utilisé avec un dispositif de tir (22), l'appareil comportant : un moyen de projection (12) permettant de projeter une image cible en mouvement sur une surface de projection (14); un moyen de commande (40) permettant de commander le mouvement de l'image cible ; un moyen initiateur (20), en communication avec le moyen de commande (40), afin de donner une instruction au moyen de commande de commencer le mouvement de l'image cible ; un moyen de simulation de coup de feu (48), permettant de simuler le trajet d'un coup de feu tiré par le dispositif de tir (22) ; et un moyen de détection de coup de feu (38), permettant de détecter l'emplacement du coup de feu simulé sur la surface de projection (14), caractérisé en ce que le moyen de détection de coup de feu (38) est monté de façon à pouvoir se déplacer avec le moyen de projection (12) et peut détecter l'emplacement d'un coup de feu simulé uniquement à l'intérieur d'une zone de détection sur la surface de projection (14), la zone de détection pouvant se déplacer en fonction du mouvement de l'image cible.
  2. Appareil de simulation de tir (10) selon la revendication 1, dans lequel le moyen de détection de coup de feu (38) peut se déplacer le long de, ou sur la même ligne que le moyen de projection (12).
  3. Appareil de simulation de tir (10) selon l'une quelconque des revendications précédentes, dans lequel le moyen de projection (12) comprend un premier moyen générateur de faisceau optique sous la forme d'une diode laser (24), afin d'émettre un faisceau optique cible, et un moyen directeur de faisceau optique, et dans lequel un ensemble d'objectifs optiques est fourni devant la diode laser (24), généralement sur le trajet du faisceau laser, qui est adapté pour changer le diamètre du faisceau optique cible, et donc la taille de l'image cible (18).
  4. Appareil de simulation de tir (10) selon l'une quelconque des revendications précédentes, dans lequel le moyen de commande (40) est adapté pour commander le mouvement de l'image cible (18) sur un trajet choisi parmi une pluralité de différents trajets de mouvement.
  5. Appareil de simulation de tir (10) selon la revendication 4, dans lequel le moyen de commande (40) affiche également une image d'arrière-plan sur la surface de projection (14) afin de permettre à l'utilisateur d'évaluer sa position de tir par rapport à la cible et à un arrière-plan choisi.
  6. Appareil de simulation de tir (10) selon l'une quelconque des revendications précédentes, dans lequel le moyen de simulation de coup de feu (48) comprend un moyen de commutation (44) et un second moyen générateur de faisceau optique, sous la forme d'une diode laser (48), en communication avec le moyen de commutation.
  7. Appareil de simulation de tir selon la revendication 6, dans lequel le moyen de commutation (44) peut être monté sur la détente du dispositif de tir (46), de telle sorte que le fait d'appuyer sur la détente (46) actionne le moyen de commutation (44) et le second générateur de faisceau optique (48).
  8. Appareil de simulation de tir selon la revendication 6 ou la revendication 7, dans lequel la longueur d'onde de la lumière émise par la diode laser de simulation de coup de feu (48) est largement espacée, en longueur d'onde, de la longueur d'onde du faisceau optique cible.
  9. Appareil de simulation de tir selon la revendication 7 ou la revendication 8, dans lequel la diode laser de simulation de coup de feu (48) peut être montée sur le barillet (50) du dispositif de tir (22), et peut, de préférence, être montée à l'intérieur du barillet d'un revolver, vers la bouche du revolver.
  10. Appareil de simulation de tir selon la revendication 9, dans lequel le moyen de montage aligne la diode laser de simulation de coup de feu (48) avec l'axe longitudinal du barillet (50).
  11. Appareil de simulation de tir selon l'une quelconque des revendications précédentes, dans lequel le moyen détecteur de coup de feu (38) comprend un moyen de détection optique permettant de détecter le faisceau de la diode laser de simulation de coup de feu sur la surface de projection (14), le moyen de détection optique étant fourni à l'intérieur du moyen de projection, généralement le long du premier moyen générateur de faisceau optique.
  12. Appareil de simulation de tir selon la revendication 11, dans lequel le second moyen de détection optique possède un champ de vision d'environ 20°, généralement autour du faisceau optique cible (18).
  13. Appareil de simulation de tir selon l'une quelconque des revendications précédentes, dans lequel le moyen détecteur de coup de feux (38) est en communication avec le moyen de commande (40), afin d'envoyer des informations au moyen de commande concernant l'emplacement du faisceau de la diode laser de simulation de coup de feu, et dans lequel le moyen de commande comprend un moyen de traitement permettant de déterminer l'emplacement du coup de feu simulé, par rapport à l'emplacement du faisceau cible, sur la surface de projection.
  14. Appareil de simulation de tir selon l'une quelconque des revendications précédentes, dans lequel l'appareil comporte un moyen de mesure permettant de déterminer la distance entre le moyen de projection (12) et la surface de projection (14).
  15. Procédé de simulation de tir, ce procédé comportant les étapes de projection d'une image cible en mouvement (18) sur une surface de projection (14) ; de commande du mouvement de l'image cible, le mouvement de l'image cible étant initié par un signal provenant de l'utilisateur ; de simulation du trajet d'un coup de feu tiré par un dispositif de tir (22) ; et de détection de l'emplacement du coup de feu simulé sur la surface de projection, dans lequel le moyen de détection du coup de feu peut se déplacer avec le moyen de projection et détecte l'emplacement d'un coup de feu simulé uniquement à l'intérieur d'une zone de détection sur la surface de projection (14), la zone de détection étant déplacée en fonction du mouvement de l'image cible (18).
  16. Procédé selon la revendication 15, dans lequel la cible représentée sur la surface de projection (14) peut changer de taille alors qu'elle se déplace le long du trajet choisi pour le mouvement, afin de fournir ainsi à l'utilisateur des informations relatives à la distance séparant la cible de l'utilisateur, l'utilisateur regardant le mouvement de la cible sur la surface de projection (14), avant de prendre position et de tirer sur l'image cible sur la surface de projection.
EP00964509A 1999-10-05 2000-10-04 Appareil et procede de simulation de tir Expired - Lifetime EP1218687B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9923387.6A GB9923387D0 (en) 1999-10-05 1999-10-05 Shooting simulation apparatus
GB9923387 1999-10-05
PCT/GB2000/003815 WO2001025716A1 (fr) 1999-10-05 2000-10-04 Appareil de simulation de tir

Publications (2)

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EP1218687A1 EP1218687A1 (fr) 2002-07-03
EP1218687B1 true EP1218687B1 (fr) 2003-07-09

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EP00964509A Expired - Lifetime EP1218687B1 (fr) 1999-10-05 2000-10-04 Appareil et procede de simulation de tir

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EP (1) EP1218687B1 (fr)
AU (1) AU7543900A (fr)
DE (1) DE60003831T2 (fr)
GB (1) GB9923387D0 (fr)
WO (1) WO2001025716A1 (fr)

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US10030937B2 (en) 2013-05-09 2018-07-24 Shooting Simulator, Llc System and method for marksmanship training
US10234240B2 (en) 2013-05-09 2019-03-19 Shooting Simulator, Llc System and method for marksmanship training
US10274287B2 (en) 2013-05-09 2019-04-30 Shooting Simulator, Llc System and method for marksmanship training

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FR2840064B1 (fr) * 2002-05-22 2004-07-16 Christian Georges Gera Saunier Procede de simulation interactif comportemental de formation a la chasse au gibier
FR2911952A1 (fr) * 2007-01-29 2008-08-01 De Boisanger Antoine Breart Cible comportant au moins un ecran en materiau geotextile et stand de tir associe
US10584940B2 (en) 2013-05-09 2020-03-10 Shooting Simulator, Llc System and method for marksmanship training
US9267762B2 (en) 2013-05-09 2016-02-23 Shooting Simulator, Llc System and method for marksmanship training
US9261332B2 (en) 2013-05-09 2016-02-16 Shooting Simulator, Llc System and method for marksmanship training
RU2638510C1 (ru) * 2016-12-01 2017-12-13 Федеральное казенное предприятие "Научно-исследовательский институт "Геодезия" (ФКП "НИИ "Геодезия") Способ формирования атмосферной проекционной мишени для обучения боевой стрельбе и устройство для его осуществления
EP4094036A1 (fr) * 2020-01-24 2022-11-30 Innovative Services and Solutions LLC Système et procédé d'entraînement aux armes à feu utilisant une projection de stimulus distribuée
US11946716B2 (en) 2020-11-30 2024-04-02 Green Ammo As Recoil simulation device
KR20230144004A (ko) * 2020-11-30 2023-10-13 그린 암모 에이에스 반동 시뮬레이션 디바이스

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Publication number Priority date Publication date Assignee Title
US10030937B2 (en) 2013-05-09 2018-07-24 Shooting Simulator, Llc System and method for marksmanship training
US10234240B2 (en) 2013-05-09 2019-03-19 Shooting Simulator, Llc System and method for marksmanship training
US10274287B2 (en) 2013-05-09 2019-04-30 Shooting Simulator, Llc System and method for marksmanship training

Also Published As

Publication number Publication date
EP1218687A1 (fr) 2002-07-03
DE60003831D1 (de) 2003-08-14
GB9923387D0 (en) 1999-12-08
WO2001025716A1 (fr) 2001-04-12
AU7543900A (en) 2001-05-10
DE60003831T2 (de) 2004-05-06

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