EP0146466B1 - Hallenschiessübungsgerät - Google Patents

Hallenschiessübungsgerät Download PDF

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Publication number
EP0146466B1
EP0146466B1 EP84402528A EP84402528A EP0146466B1 EP 0146466 B1 EP0146466 B1 EP 0146466B1 EP 84402528 A EP84402528 A EP 84402528A EP 84402528 A EP84402528 A EP 84402528A EP 0146466 B1 EP0146466 B1 EP 0146466B1
Authority
EP
European Patent Office
Prior art keywords
image
infrared beam
infrared
filter
firing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84402528A
Other languages
English (en)
French (fr)
Other versions
EP0146466A3 (en
EP0146466A2 (de
Inventor
Jean-Claude Allard
René Briard
Christian Saunier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Giravions Dorand Dite Ste
Original Assignee
Giravions Dorand Dite Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Giravions Dorand Dite Ste filed Critical Giravions Dorand Dite Ste
Priority to AT84402528T priority Critical patent/ATE44608T1/de
Publication of EP0146466A2 publication Critical patent/EP0146466A2/de
Publication of EP0146466A3 publication Critical patent/EP0146466A3/fr
Application granted granted Critical
Publication of EP0146466B1 publication Critical patent/EP0146466B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J5/00—Target indicating systems; Target-hit or score detecting systems
    • F41J5/02—Photo-electric hit-detector systems
    • 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 invention relates to shooting training equipment suitable for indoor exercises.
  • the device according to the invention is suitable for training one or more shooters. It comprises at least one weapon equipped with a device for firing by the shooter and with an infrared beam emitter, the emission of which is controlled by firing.
  • the transmitter of the laser transmitter type, can advantageously be mounted on any real weapon, whether for example semi-automatic or automatic individual weapons, individual anti-tank weapons, collective anti-tank weapons (such such as rockets, recoilless cannons, missiles), or weapons with ballistic projectiles under a turret.
  • this device also includes on the weapon a detector element adapted to detect the infrared target.
  • the output of each detector element is connected to an instructor station which includes a microprocessor computer which is programmed to tell an infantryman and an instructor whether the shooter has actually fired at the visible target.
  • An infrared television camera detects the spots sent by the laser beam when the shot is fired and this camera is connected to a screen for viewing the target as well as the position of the spot of the laser beam.
  • the device according to this document has the disadvantage of requiring the use of two projectors, one with infrared and the other with visible light, involving complex equipment, and the association on the aiming weapon of an element. detector comprising a large electronic assembly.
  • Another target device constituted by a projected image is described by French patent FR-A-2 456 933.
  • This device comprises a target projection screen interposed between a projector and a gunner, equipped for example with a cannon or a 'a missile launcher.
  • the target projection screen is a translucent projection screen.
  • This device also includes a line of sight detector comprising optical means formed by pivoting mirrors and fixed mirrors.
  • An impact point projector is also provided for projecting a visible light beam coaxially via the same optical means with pivoting mirrors.
  • the apparatus of this document has the drawback of requiring the screen to be placed between the projection means and the shooter, which constitutes a significant use of space, as well as requiring complex optical and electronic means in order to be able to follow the aim of the shooter.
  • the present invention therefore aims to produce a training device for indoor shooting having simple apparatus which can be easily installed and making it possible to obtain a visualization of the point of impact on a video screen presenting the shooting range visible to the shooter.
  • This simplification of apparatus is achieved by the use of a retractable visible light filter placed in front of a camera scanning the screen presenting the field.
  • This retractable filter has two positions: a first position in which the camera detects the point of impact on the screen of the laser beam and a second position, passive, where the filter is removed and where the camera reproduces the landscape and the target seen by the shooter.
  • Electronic means such as a microprocessor make it possible to transcribe the point of impact on a video screen.
  • the device according to the invention comprises a certain number of elements which are known and used conventionally in similar applications.
  • it includes image scrolling projection means, of the camera type, for presenting to the shooter's view the visible image of a field on which there is at least one target to be reached, whether it is fixed, or evolving on a landscape.
  • one of the advantages of the invention is that it is not necessary to have a recording of images of a particular type.
  • a simple cinematographic recording on current film is perfectly suitable, as is a recording.
  • the device according to the invention comprises a certain number of elements which are known and used conventionally in similar applications.
  • it includes image scrolling projection means, of the camera type, for presenting to the shooter's view the visible image of a field on which there is at least one target to be reached, whether it is fixed, or evolving on a landscape.
  • one of the advantages of the invention is that it is not necessary to have a recording of images of a particular type.
  • a simple cinematographic recording on current film is perfectly suitable, as is a video recording.
  • means are provided for imposing a predetermined delay between firing and stopping the scrolling of images, so as to simulate by this delay the time that would take the projectile or the missile launched, in reality, to cover the distance between the weapon and the target.
  • This delay can itself be determined by a computer, on the basis of data which can either be entered for example by the instructor or available in coded form on one of the magnetic tracks of the projected film normally intended for sound.
  • the device of the invention nevertheless constitutes a tool of great precision, by the fact that it is the same equipment which ensures the detection, on the same screen, of the projected image of the landscape and of the target. and the point of impact of the shot.
  • the corresponding information is found in the same video signal for the reconstruction of the superimposed images and the errors of drift, position, linearity have no effect on the assessment of the results of the shooting. Initial system settings are virtually nonexistent. All these advantages are obtained without the need to use a film of special design for projection.
  • the drive device comprises means for correcting, in a predetermined manner, either the direction of the infrared beam relative to the aim of the weapon, during firing, or preferably, the position of the beam trace detected on the immobilized image when it is embedded in the video image.
  • the trace of the infrared beam which is detected and whose figuration is embedded in the immobilized image can be either punctual (and represented by a cross for example), or linear and constituted by several points detected at different moments before the immobilization of the image, to materialize the positions of a missile.
  • an appropriate calculator makes it possible to take into account in the firing result various information, such as the particularities of the weapon used and the ballistic characteristics of the corresponding simulated ammunition, aerological disturbances, information relating to the targets (distance, position, displacement, congestion, or other).
  • Information of this kind can come from the projection device, which contains it for example on one of the sound tracks of the film.
  • FIG. 1 there is shown an image viewing screen (1), a projector (2), of any conventional type as used in cinema for the projection of films impressed with evolving images, and connected to a sound baffle (18), a video camera (3), and a rifle (4), the barrel of which carries a laser transmitter (5), capable of emitting on command a brush of infrared light by pulses.
  • All these elements are oriented towards the same screen (1).
  • the focus of the projector (2) is adjusted to produce a clear image on the screen (1)
  • the camera (3) takes the image broadcast by the screen and scans it into a video image
  • the rifle is aimed manually by the shooter to aim at a target appearing on the screen.
  • This target is integrated into the projected cinematographic film, which represents a landscape in which it evolves.
  • the same landscape may as well contain several targets from which the shooter will choose.
  • the target (s) could also come from a different projector to be projected on the same screen superimposed with, for example, a fixed landscape from a slide projector.
  • the cinematographic projector could be replaced by a video projector, controlled by a video signal containing all the information relating to the landscape and to the target in order to reconstruct the corresponding images on the screen ( 1).
  • both the landscape image and the target image can come from images of real objects previously recorded, or can be produced by electronic synthesis in the video signal.
  • the cinema projector can be replaced by a slide projector for the landscape background, the targets and the impact figuration being generated synthetically by a video projector and superimposed on the landscape on the screen 1.
  • the same elements are all functionally connected to an electronic control unit, constituted by a computer (8) with microprocessors, associated with a control console (15) placed in the hands of the instructor who guides the exercises.
  • a headset (9) also placed under the control of the computer (8), can be used to make the shooter hear a sound evoking a real shot when he operates the trigger of the rifle (14) to trigger a fictitious shot .
  • the computer (8) is essentially used for processing video signals. Thus, it continuously analyzes the signal from the video camera (3), while it determines the signal which controls the projection of the images on a television screen (11).
  • the latter is arranged to be observable by the instructor, and preferably also by the shooter (s), so as to allow them to appreciate the results of the shooting. If there is more than one shooter, several video monitors can be connected in parallel.
  • the device which is described here in a relatively simple embodiment, where it is operated by a single shooter actuating a single rifle can be modified in designs obvious to those skilled in the art, for s '' adapt to several shooters working with the same instructor. If necessary, provision may be made in this case to distinguish the results of the different shots fired by the different shooters, either by the fact that they are aimed at different targets, or by appearing on the television screen (11) impact from different shots by different symbolizations, or by assigning to the laser emitters of the different rifles different codings of the laser pulse trains which are recognized by the computer during the firing.
  • the rifles can be replaced by any other kind of weapon suitable for indoor training.
  • This camera (3) is equipped with a retractable filter (12). It is a visible light absorbing filter, which is chosen to be selectively traversed by radiation of the same wavelength range as the ray produced by the laser emitter. As an example, it can be assumed that these are 0.9 micron infrared rays.
  • the filter (12) is interposed in front of the camera lens, which is therefore sensitive exclusively to this infrared radiation.
  • the filter is mounted on the axis of a rotary electromagnet (13) placed under the control of the computer, which allows the filter to be retracted by tilting it away from the path of the light rays between the projection screen and camera.
  • This tilting of the filter is controlled by the computer (8), at the same time as the latter also controls the triggering of the laser emission at the start of the shot, with however between the two sufficient time for the laser beam reflected by the screen is received by the camera and detected in the video signal, before the filter switches over.
  • the detection by the camera (3) and the analysis of the video signal by the computer make it possible, in a first step, to detect the position of the trace of the laser beam on the projection screen and to determine the coordinates, before analyzing, in a second step, all of the information relating to the image projected by the projector (2), in at least the entire field of visible light radiation.
  • This projection has nevertheless place, on the screen (1), during the entire time when the shooter prepares for aiming, before the start of the shot.
  • a filter (16) for absorbing infrared radiation which eliminates the latter, at least in the range of wavelengths that passes the filter (12) placed in front of the camera.
  • the computer (8) also controls the stopping of the film running in the projector, so that in the projected images, both the landscape and the target then remain fixed in the position which was the them when the shot is fired. It is this immobilized image which is translated into the video signal and retransmitted by the computer to the monitor, for viewing on the television screen (11).
  • the calculator also displays there, by overlaying in the video signal, a symbolic figuration of the point of impact, a cross for example, in the position previously determined by the calculator for the trace of the laser brush. On the television screen, the instructor and the shooter can therefore observe the results of the shooting and discuss them at leisure, on the image of the landscape and the target frozen at the time of the shot.
  • the device of the invention is suitable without restriction for training in the use of weapons such as rifles, producing direct ballistic projectiles, over distances which can be neglected. incidence.
  • weapons such as rifles, producing direct ballistic projectiles, over distances which can be neglected. incidence.
  • various improvements can be made to this device to adapt it to other uses.
  • the simulation of the distance effect can be ensured by programming the calculator so that it imposes at the end of the projection of the landscape and target images, a delay from the start of the shot corresponding to the travel time of the projectile over the distance evaluated beforehand, either by direct indication from the instructor, or by reading coded information from the projection film or other image support.
  • the ballistics simulation it can be carried out by correcting the value of the arrow, calculated for this distance, the position of the point of impact between its detection by the camera during the emission of the laser brush and its figuration symbolic in the display on the video screen.
  • successive pulse trains of the laser emission it may be advantageous to use successive pulse trains of the laser emission.
  • the weapon is supposed to fire a missile that the shooter can guide relative to the line of sight
  • the recording by the camera of the traces produced on the projection screen by these successive laser pulses allows continuous memorization of the line corresponding to the aiming reticle, and one can make this complete line appear, by overlay in the video signal, on the landscape reproduced with the target in its position at the time of impact.
  • Successive laser pulses can also be used to simulate a burst fire. It is possible, for example, to produce laser pulse trains at the rate of a submachine gun fire, and to insure the video signal by showing the various points of impact. As the image of the landscape is frozen, whether its immobilized position is that of the beginning or that of the end of the shooting, this implies that one neglects the evolution of the target or targets during the time of the burst.
  • the point of impact which is mentioned throughout the description corresponds to the point of passage of the projectile in the vertical plane located at the level of the target and perpendicular to the axis of aiming shooter-target.
  • the projection system is provided with an optical filter (17) attenuating light, which makes it possible to simulate a night atmosphere, on command of the instructor. It is then interposed in front of the objective during the aiming by the shooter, but it is retracted after the shooting, so that the camera provides a fully lit image for the observation of the result of the shooting.
  • a control accessible on the desk allows the instructor to control its positioning by means of a rotary electromagnet (18).
  • the device can be equipped with various mechanisms at the level of the weapon to simulate particular effects.
  • a recoil effect at the time of firing can be brought about by a movement of the weapon triggered upon firing.
  • a movement by shaking can be obtained in particular by a vibrating mass mounted on the weapon and controlled by an electromagnet or by an injection of air.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Rehabilitation Tools (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Spectrometry And Color Measurement (AREA)

Claims (7)

1. Raumschießanlage, bestehend aus:
1) einer Projektionsvorrichtung (2), die bewegliche Bilder mittels sichtbarem Lichtstrahl auf eine Leinwand wirft, die ein Schußfeld für mindestens einen Schützen mit wenigstens einem Ziel darstellen;
2) mindestens einer Waffe (4) mit vom Schützen bedienbarem Auslöser und Infrarot-Strahlungsemitter;
3) einer Videokamera (3) zur Bildschirmwiedergabe des vor dem Schützen ablaufenden Bildes;
4) einem Bildschirm (11) zur Sichtbarmachung dem Videobildes;
5) einer Computer-Steuerrungsanlage (8) mit Mikroprozessor, bestehend aus:
a) Steuervorrichtungen für die Erzeugung eines Infrarotstrahls, mit dem ein Projektil simuliert wird, mittels des Auslösers;
b) einer durch den Auslöser ausgelösten Vorrichtung, die durch Unterbrechung des projizierten Bilddurchlaufs ein sichtbares stehendes Bild erzeugt;
c) Vorrichtungen zur Ermittlung der Position des Infrarotstrahls auf diesem stehenden Bild;
d) Vorrichtungen zur elektronischen Fixierung einer sichtbaren Darstellung dieser Position auf dem vorgenannten Videobild als Standbild,
dadurch gekennzeichnet,
daß die Anlage weiterhin mit einem Vorsatzfilter (12) für sichtbares Licht versehen ist, der zwischen der Videokamera und der vor dem Schützen ablaufenden Bildfolge plaziert und an einer Umschaltvorrichtung (13) der Computer-Steuerungsanlage angebracht ist, wobei dieser Filter mittels der Umschaltvorrichtung aus einer aktiven Position für den selektiven Durchlaß des Infrarotstrahls in eine passive, außerhalb des Sichtfeldes der Videokamera liegende Position bewegbar ist, wobei die Umschaltung computergesteuert bei Unterbrechung des Bilddurchlaufs erfolgt, sobald der Infrarotstrahl nach seiner Ausstrahlung von der Videokamera eingefangen wurde und die Feststellung seiner Position stattgefunden hat.
2. Anlage gemäß Patentanspruch 1, dadurch gekennzeichnet, daß sie eine zusätzliche Vorrichtung zur Vorgabe einer bestimmten Zeitverzögerung zwischen der Auslösung und dem Augenblick der Unterbrechung des Bilddurchlaufs umfaßt.
3. Anlage gemäß Patentanspruch 1 oder 2, dadurch gekennzeichnet, daß sie eine zusätzliche Vorrichtung zur vorherigen Korrektur dieser Spur beim Bildstillstand der Videoaufzeichnung umfaßt.
4. Anlage gemäß Patentanspruch 1 bis 3, dadurch gekennzeichnet, daß sie eine Vorrichtung zur vorherigen Korrektur der Richtung des Infrarotstrahls im Verhältnis zur Zielrichtung der Waffe umfaßt.
5. Anlage gemäß Patentanspruch 1 bis 4, dadurch gekennzeichnet, daß mehrere Waffen verfügbar sowie Vorrichtungen zur Erkennung der Spuren der jeweiligen Infrarotstrahlen auf dem stehenden Bild vorgesehen sind.
6. Anlage gemäß Patentanspruch 1 bis 5, dadurch gekennzeichnet, daß das Projektionsgerät mit einem Filter (16) versehen ist, der die Strahlungen der Wellenlänge des Infrarotemitters absorbiert.
7. Anlage gemäß Patentanspruch 1 bis 4, dadurch gekennzeichnet, daß zur Simulation von Nachtlicht ein Lichtdämpfungsfilter (17) in der Projektionsvorrichtung angeordnet ist, der im Moment der Auslösung weggeklappt wird.
EP84402528A 1983-12-15 1984-12-07 Hallenschiessübungsgerät Expired EP0146466B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84402528T ATE44608T1 (de) 1983-12-15 1984-12-07 Hallenschiessuebungsgeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8320137 1983-12-15
FR8320137A FR2556827B1 (fr) 1983-12-15 1983-12-15 Dispositif d'entrainement au tir en salle

Publications (3)

Publication Number Publication Date
EP0146466A2 EP0146466A2 (de) 1985-06-26
EP0146466A3 EP0146466A3 (en) 1985-08-07
EP0146466B1 true EP0146466B1 (de) 1989-07-12

Family

ID=9295222

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84402528A Expired EP0146466B1 (de) 1983-12-15 1984-12-07 Hallenschiessübungsgerät

Country Status (7)

Country Link
US (1) US4657511A (de)
EP (1) EP0146466B1 (de)
AT (1) ATE44608T1 (de)
AU (1) AU3669184A (de)
CA (1) CA1252291A (de)
DE (1) DE3478950D1 (de)
FR (1) FR2556827B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
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EP0505395B1 (de) * 1989-12-16 1994-04-27 Nsm Aktiengesellschaft Schiessvorrichtung

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KR102041461B1 (ko) * 2018-03-26 2019-12-02 육군사관학교 산학협력단 가상 현실에서 실제 개인화기의 사격 환경을 적용하여 탄도 궤도 및 탄착점의 정밀성을 향상시키기 위한 탄착점 분석 장치 및 이를 이용한 가상 사격 훈련 시뮬레이션
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CA1252291A (en) 1989-04-11
FR2556827A1 (fr) 1985-06-21
EP0146466A3 (en) 1985-08-07
AU3669184A (en) 1985-06-20
EP0146466A2 (de) 1985-06-26
FR2556827B1 (fr) 1988-04-22
US4657511A (en) 1987-04-14
ATE44608T1 (de) 1989-07-15
DE3478950D1 (en) 1989-08-17

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