EP1762811A1 - Improved sight system for a weapon - Google Patents

Improved sight system for a weapon Download PDF

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Publication number
EP1762811A1
EP1762811A1 EP06076433A EP06076433A EP1762811A1 EP 1762811 A1 EP1762811 A1 EP 1762811A1 EP 06076433 A EP06076433 A EP 06076433A EP 06076433 A EP06076433 A EP 06076433A EP 1762811 A1 EP1762811 A1 EP 1762811A1
Authority
EP
European Patent Office
Prior art keywords
weapon
sighting system
sighting
angle
light
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.)
Withdrawn
Application number
EP06076433A
Other languages
German (de)
French (fr)
Inventor
Armand Gering
Tony Macaluso
René Joannes
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.)
FN Herstal SA
Original Assignee
FN Herstal SA
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 FN Herstal SA filed Critical FN Herstal SA
Publication of EP1762811A1 publication Critical patent/EP1762811A1/en
Withdrawn legal-status Critical Current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
    • F41G3/06—Aiming or laying means with rangefinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/32—Night sights, e.g. luminescent
    • F41G1/34—Night sights, e.g. luminescent combined with light source, e.g. spot light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/44—Spirit-level adjusting means, e.g. for correcting tilt; Means for indicating or correcting tilt or cant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/46—Sighting devices for particular applications
    • F41G1/48—Sighting devices for particular applications for firing grenades from rifles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41G—WEAPON SIGHTS; AIMING
    • F41G1/00—Sighting devices
    • F41G1/46—Sighting devices for particular applications
    • F41G1/52—Sighting devices for particular applications for rifles or shotguns having two or more barrels, or adapted to fire different kinds of ammunition, e.g. ball or shot

Definitions

  • the invention relates to a sighting system for an unstretched ballistic weapon, such as a grenade launcher.
  • Such shots require that the shooter give the weapon a correct elevation angle, based on its distance from the target, so that the projectile actually reaches it during its ballistic trajectory. In doing so, the shooter must also maintain the correct alignment azimuth on the target, during the movement it makes with the weapon to give it the correct elevation.
  • EP 0 785 406 which provide, on an optical window or a video screen, the image of a reticle that moves automatically according to the distance measured, and that the shooter must align on the target.
  • the invention relates to an easy-to-use device, light and compact, which automatically provides the shooter with the correct elevation indication, while allowing him to maintain the aiming azimuth.
  • the invention relates to an improved sighting system which comprises a single indicator light; a sighting device embodying an alignment slot with a longitudinal reference plane parallel or substantially parallel to the axis of the barrel and aligned with the light indicator; an inclinometer to measure the elevation angle of the weapon; a ballistic computer connected to the indicator light and the inclinometer, to calculate the desired angle of inclination of the weapon according to the distance of the target and to control the indicator light to signal when angle The measured elevation corresponds to the calculated elevation angle.
  • Such aiming system allows the shooter to instinctively simultaneously obtain the correct elevation and azimuth during ballistic fire, even in night vision.
  • the ballistic calculator calculates the required elevation angle according to the distance of the target, the computer receiving this information either from the shooter who makes an estimate of the distance, or by measuring the distance using a range finder connected to the calculator.
  • the length of the entire sighting device and the indicator light is of the order of 10 cm or less.
  • the sighting device can be folded down to gain even more space when the weapon is not in use and to better protect the device.
  • a special feature of the sighting device is that it It does not have to be close to the shooter's eye, which guarantees the shooter good visibility of the terrain and the target, and gives him a wide latitude in his shooting position.
  • the sighting system is preferably mounted at a distance from the eye of the shooter when it is in the firing position, so as to facilitate the ocular adaptation of the shooter to the light signal.
  • the alignment slot of the light indicator materialized by the sighting device is for the shooter a vertical reference which avoids giving his weapon a lateral inclination which would distort the trajectory of the projectile, which is known as the "cant" error.
  • a second inclinometer is added which is connected to the ballistic computer and which during the sighting measures the residual lateral inclination of the longitudinal reference plane of the sighting device and therefore of the weapon relative to the horizontal and perpendicular to the axis of the barrel, this measurement of "cant" error being used by the ballistic computer to correct the elevation angle accordingly.
  • the ballistic calculator records the initial elevation angle of the weapon at the time of the telemetry, so as to take into account, in its trajectory calculation, the tilt of the target relative to the shooter.
  • the ballistic computer is connected to the percussion mechanism of the weapon, for example via a solenoid, in order to trigger the shot when the weapon has reached the correct position. shot calculated by the ballistic calculator.
  • connection of the ballistic computer on the percussion mechanism of the weapon is preferably interrupted when the trigger of the weapon is not actuated, so as to prevent any accidental or inadvertent fire.
  • the indicator light may possibly be omitted.
  • Figures 1 and 2 show a weapon 1 which is composed of a rifle 2 and a grenade launcher 3 mounted below the barrel 4 of the rifle 2 and which is provided with a sighting system 5 according to the invention mounted on the weapon 1.
  • the sighting member 5 is shown in more detail in FIGS. 3 to 5 and essentially comprises a light indicator 6; a sighting device 7 materializing a vertical alignment slot 8 with a longitudinal reference plane XoX 'parallel or substantially parallel to the axis YY' of the barrel 4 and aligned with the light indicator 6; an inclinometer which is not shown in the figures and which serves to measure the elevation angle A of the weapon and a ballistic computer 9 connected to the indicator light 6 and the inclinometer.
  • the ballistic computer 9 is equipped with a rangefinder 10 connected to the ballistic computer 9 to measure the distance of the target.
  • the ballistic computer 9 is also provided with an interface 11 allowing the shooter to enter data, such as the type of weapon used, and a screen 12 to display certain data such as the distance measured for example.
  • a switch 13 makes it possible to actuate the range finder at the desired moment of the aiming.
  • the sighting device 7 is formed by two walls parallel or substantially parallel to the axis YY 'of the barrel 4 of the weapon 1, whose height of the walls 14 decreases towards the front end 15 of the weapon 1.
  • the indicator light 6 is embodied in the present case by a light mark, for example in the form of an LED which is positioned between the two walls 14 and which, depending on the signal received, may change color, for example from red to green.
  • the ballistic computer 9 makes it possible to calculate the desired angle of inclination of the weapon as a function of the distance of the target measured by the rangefinder 10 and to control the signal of the indicator light 6 in order to signal the moment when the measured elevation angle A corresponds to the calculated elevation angle.
  • the ballistic computer 9 controls the indicator 6 for example so that the indicator 6 gives a light signal of a certain color, preferably red, as long as the measured angle of inclination A does not correspond to the angle of inclination calculated and changing color, preferably green, once the measured angle of inclination A corresponds to the calculated angle.
  • the signal of the indicator is a flashing signal as long as the measured elevation angle A is less than the calculated angle, while the signal a continuous signal when the measured angle A reaches the calculated value or exceeds this calculated value.
  • the blinking of the light signal may be faster and faster as the angle of the measured weapon A approaches the calculated value.
  • the shooter 15 will first possibly indicate to the ballistic computer 9, for example by means of the control buttons 16 of the interface 11 and the screen 12, what type of grenade he uses, the calculator can hold in memory the characteristics ballistics of several ammunition.
  • the shooter 17 will then determine the distance to which the target 18 is located by aiming at the target 18 by means of the sighting devices specific to the weapon and by actuating the rangefinder by means of the switch 13 to record this distance in the distance.
  • ballistic calculator 9 which will immediately calculate the ballistic trajectory of the chosen munition and more particularly will calculate the angle of inclination of the weapon 1 required to hit the target.
  • the shooter 17 is in line with the target 18 as illustrated in Figure 6 and targets the target 18 as shown in Figure 7 and rotates his weapon 1 as shown in Figure 6 while observing the signal of the indicator bright 6.
  • the indicator light 6 will indicate to the shooter 17 that he is aiming too low by giving a red flashing signal.
  • the blinking signal will become faster and closer to the angle calculated by the ballistic calculator 9 and will become a continuous green signal once the calculated angle is reached, as a sign for the shooter to operate the trigger of the weapon 1 to fire.
  • the signal will turn solid red if the shooter exceeds the correct angle of sight and therefore aims too high.
  • the signal of the ballistic computer 9 may also be used to control the triggering of the percussion mechanism of the weapon 1 in an automatic way at the moment the right firing angle is reached.
  • the sighting system 5 can be made in the form of a dismountable unit of the weapon 1 or can be integrated into the weapon 1.
  • FIG. 8 shows a sighting device 7 also with two walls 14 for materializing an alignment slot 8, but for which the indicator light 6 is formed by two light markers 19 positioned on each side of the sighting device 7 and immediately next to the walls 14.
  • FIG. 9 shows a variant of a sighting system 5 according to the invention which is similar to that of FIG. 3, but in which the aiming device 7 is formed by a rectangular frame 20 which is rectified forming an angle B with the axis YY 'of the barrel 4 of the weapon 1 and materializing a slot 8.
  • the rectangular frame can be replaced by a U-shaped or V-shaped frame or any other device defining a vertical slot.
  • target device 7 can be made in folding form, for example by providing a hinge at the base of the frame 20.

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

Abstract

The sighting system consists of a single luminous indicator (6), a sight (7) with an alignment slot (8) having a lengthwise reference plane parallel to the axis (Y-Y') of the gun barrel, an inclinometer to measure the gun's elevation, and a ballistic calculator (9) connected to the indicator. The inclinometer calculates the required inclination according to the distance of the target, measured by a range finder (10) while the indicator emits a coloured light, preferably red and changing to green when the measured angle of elevation corresponds to the calculated angle.

Description

L'invention concerne un système de visée pour une arme à tir balistique non tendu, comme par exemple un lance-grenades.The invention relates to a sighting system for an unstretched ballistic weapon, such as a grenade launcher.

De tels tirs exigent que le tireur donne à l'arme un angle d'élévation correct, en fonction de sa distance à la cible, pour que le projectile atteigne effectivement celle-ci au cours de son trajectoire balistique. Ce faisant, il faut également que le tireur conserve le bon azimut d'alignement sur la cible, lors du mouvement qu'il effectue avec l'arme pour lui donner l'élévation correcte.Such shots require that the shooter give the weapon a correct elevation angle, based on its distance from the target, so that the projectile actually reaches it during its ballistic trajectory. In doing so, the shooter must also maintain the correct alignment azimuth on the target, during the movement it makes with the weapon to give it the correct elevation.

Il existe des systèmes mécaniques de visée, tels que ceux décrits par les brevets US 6 568 118 et 3 604 137 , qui permettent au tireur, après qu'il ait estimé la distance de la cible ou qu'il en ait obtenu la mesure à l'aide d'un télémètre, d'aligner manuellement l'organe de visée sur l'angle correct, donné par exemple par une échelle angulaire graduée.There are mechanical sighting systems, such as those described by the patents US 6,568,118 and 3,604,137 , which allows the shooter, after he has estimated the distance from the target or obtained the measurement using a range finder, to manually align the sighting device to the correct angle, given for example by a graduated angular scale.

De tels systèmes mécaniques présentent deux inconvénients majeurs :

  • ils augmentent le temps d'engagement de la cible, puisque le tireur doit préalablement faire un réglage mécanique de l'organe de visée,
  • pendant qu'il règle le viseur, le tireur perd la cible de vue.
Such mechanical systems have two major disadvantages:
  • they increase the engagement time of the target, since the shooter must first make a mechanical adjustment of the sighting device,
  • while setting the viewfinder, the shooter loses the target of sight.

Il existe également des systèmes de visée plus sophistiqués, tel que celui décrit par le brevet EP 0 785 406 , qui fournissent, sur une fenêtre optique ou un écran vidéo, l'image d'un réticule qui se déplace automatiquement en fonction de la distance mesurée, et que le tireur doit aligner sur la cible.There are also more sophisticated sighting systems, such as the one described by the patent. EP 0 785 406 , which provide, on an optical window or a video screen, the image of a reticle that moves automatically according to the distance measured, and that the shooter must align on the target.

De telles solutions, qui incluent des systèmes dit "à point rouge mobile" dans lesquels l'image du réticule est projetée à l'infini avec l'angle adéquat, de manière à éliminer l'erreur de parallaxe, ont l'inconvénient d'être trop lourdes et trop encombrantes pour une utilisation, par exemple, sur un fusil d'assaut.Such solutions, which include so-called "red dot" systems in which the image of the reticle is projected at infinity with the appropriate angle, so as to eliminate the parallax error, have the disadvantage of be too heavy and too bulky for use, for example, on an assault rifle.

L'invention concerne un dispositif simple d'emploi, léger et peu encombrant, qui fournit automatiquement au tireur l'indication d'élévation correcte, tout en lui permettant de conserver l'azimut de visée.The invention relates to an easy-to-use device, light and compact, which automatically provides the shooter with the correct elevation indication, while allowing him to maintain the aiming azimuth.

A cette fin l'invention concerne un système de visée amélioré qui comprend un indicateur lumineux unique; un dispositif de visée matérialisant une fente d'alignement avec un plan de référence longitudinale parallèle ou substantiellement parallèle à l'axe du canon et aligné sur l'indicateur lumineux; un inclinomètre pour mesurer l'angle d'élévation de l'arme; un calculateur balistique branché sur l'indicateur lumineux et sur l'inclinomètre, permettant de calculer l'angle d'inclinaison souhaitée de l'arme en fonction de la distance de la cible et de contrôler l'indicateur lumineux afin de signaler le moment où l'angle d'élévation mesuré correspond à l'angle d'élévation calculé.To this end the invention relates to an improved sighting system which comprises a single indicator light; a sighting device embodying an alignment slot with a longitudinal reference plane parallel or substantially parallel to the axis of the barrel and aligned with the light indicator; an inclinometer to measure the elevation angle of the weapon; a ballistic computer connected to the indicator light and the inclinometer, to calculate the desired angle of inclination of the weapon according to the distance of the target and to control the indicator light to signal when angle The measured elevation corresponds to the calculated elevation angle.

Un tel système de visé permet au tireur d'obtenir de manière instinctive simultanément l'élévation et l'azimut corrects lors de tirs balistiques, même en vision de nuit.Such aiming system allows the shooter to instinctively simultaneously obtain the correct elevation and azimuth during ballistic fire, even in night vision.

Il suffit au tireur de positionner son arme de façon à aligner l'indicateur lumineux sur la cible à travers la fente et ensuite, tout en restant aligné sur la cible, de soulever le canon de son arme pour chercher la bonne élévation calculée par le calculateur balistique en observant le signal l'indicateur lumineux.It is sufficient for the shooter to position his weapon so as to align the indicator light on the target through the slot and then, while remaining aligned with the target, to raise the barrel of his weapon to seek the good elevation calculated by the calculator ballistic by observing the signal the indicator light.

Le calculateur balistique calcule l'angle d'élévation requis en fonction de la distance de la cible, le calculateur recevant cette information soit du tireur qui fait une estimation de la distance, soit par la mesure de la distance à l'aide d'un télémètre branché sur le calculateur.The ballistic calculator calculates the required elevation angle according to the distance of the target, the computer receiving this information either from the shooter who makes an estimate of the distance, or by measuring the distance using a range finder connected to the calculator.

Afin de limiter l'encombrement du système de visée, la longueur de l'ensemble du dispositif de visée et de l'indicateur lumineux est de l'ordre de 10 cm ou moins.In order to limit the size of the sighting system, the length of the entire sighting device and the indicator light is of the order of 10 cm or less.

Le dispositif de visée peut être rabattable afin de gagner encore plus de place quand l'arme n'est pas utilisée et pour mieux protéger le dispositif.The sighting device can be folded down to gain even more space when the weapon is not in use and to better protect the device.

Une particularité du dispositif de visée est qu'il ne doit pas nécessairement être proche de l'oeil du tireur, ce qui garantit à celui-ci une bonne visibilité du terrain et de la cible, et lui laisse une grande latitude dans sa position de tir.A special feature of the sighting device is that it It does not have to be close to the shooter's eye, which guarantees the shooter good visibility of the terrain and the target, and gives him a wide latitude in his shooting position.

A cette fin, le système de visée est monté de préférence à une distance de l'oeil du tireur quand celui-ci se trouve en position de tir, de manière à faciliter l'adaptation oculaire du tireur au signal lumineux.For this purpose, the sighting system is preferably mounted at a distance from the eye of the shooter when it is in the firing position, so as to facilitate the ocular adaptation of the shooter to the light signal.

Une autre particularité du dispositif de visée est que la fente d'alignement de l'indicateur lumineux matérialisée par le dispositif de visée, de par sa position, constitue pour le tireur un repère vertical qui lui évite de donner à son arme une inclinaison latérale qui fausserait la trajectoire du projectile, ce qui est connu sous le terme erreur de "cant".Another feature of the sighting device is that the alignment slot of the light indicator materialized by the sighting device, by its position, is for the shooter a vertical reference which avoids giving his weapon a lateral inclination which would distort the trajectory of the projectile, which is known as the "cant" error.

Dans une réalisation particulière, on ajoute un second inclinomètre qui est branché sur le calculateur balistique et qui mesure lors de la visée l'inclinaison latérale résiduelle du plan de référence longitudinale du dispositif de visée et donc de l'arme par rapport à l'horizontale et perpendiculairement à l'axe du canon, cette mesure d'erreur de "cant" étant utilisée par le calculateur balistique pour corriger l'angle d'élévation en conséquence.In a particular embodiment, a second inclinometer is added which is connected to the ballistic computer and which during the sighting measures the residual lateral inclination of the longitudinal reference plane of the sighting device and therefore of the weapon relative to the horizontal and perpendicular to the axis of the barrel, this measurement of "cant" error being used by the ballistic computer to correct the elevation angle accordingly.

Dans le cas de la réalisation particulière qui intègre dans le système de visée un télémètre, le calculateur balistique enregistre l'angle d'élévation initial de l'arme au moment du télémétrage, de manière à tenir compte, dans son calcul de trajectoire, du dévers de la cible par rapport au tireur.In the case of the particular embodiment which integrates into the sighting system a rangefinder, the ballistic calculator records the initial elevation angle of the weapon at the time of the telemetry, so as to take into account, in its trajectory calculation, the tilt of the target relative to the shooter.

Dans un autre cas de réalisation particulier, le calculateur balistique est branché sur le mécanisme de percussion de l'arme, par exemple par l'intermédiaire d'un solénoïde, afin de déclencher le tir au moment où l'arme a atteint la bonne position de tir calculée par le calculateur balistique.In another particular embodiment, the ballistic computer is connected to the percussion mechanism of the weapon, for example via a solenoid, in order to trigger the shot when the weapon has reached the correct position. shot calculated by the ballistic calculator.

Ceci permet de réduire le temps d'engagement de la cible et d'augmenter la précision du tir, puisque le tireur n'utilise plus le système de visée que pour maintenir l'azimut et contrôler le mouvement d'élévation de l'arme, le moment précis où l'élévation correcte est atteint étant transmis automatiquement à l'arme, sans nécessiter une autre action spécifique du tireur.This reduces the target engagement time and increases the accuracy of the shot, since the shooter no longer uses the aiming system to maintain the azimuth and control the elevation movement of the weapon, the precise moment when the correct elevation is reached being transmitted automatically to the weapon, without requiring another specific action of the shooter.

Dans ce dernier cas particulier, le branchement du calculateur balistique sur le mécanisme de percussion de l'arme est de préférence interrompu lorsque la détente de l'arme n'est pas actionnée, de manière à empêcher tout tir accidentel ou intempestif.In the latter particular case, the connection of the ballistic computer on the percussion mechanism of the weapon is preferably interrupted when the trigger of the weapon is not actuated, so as to prevent any accidental or inadvertent fire.

Dans le cas du déclenchement automatique du tir par le calculateur balistique, l'indicateur lumineux peut éventuellement être omis.In the case of automatic firing by the ballistic computer, the indicator light may possibly be omitted.

Pour plus de clarté, quelques exemples de réalisation d'un système de visée amélioré selon l'invention sont décrits ci-après à titre illustratif et non restrictif, référence étant faite aux dessins annexés dans lesquels:

  • la figure 1 est une vue en perspective d'une arme qui est équipée d'un système de visée selon l'invention;
  • la figure 2 représente une vue latérale suivant la flèche F2 dans la figure 1;
  • la figure 3 représente à une échelle plus grande le système de visée indiqué par la flèche F3 dans la figure 1;
  • les figures 4 et 5 sont des vues respectivement suivant les flèches F4 et F5 dans la figure 3 ;
  • la figure 6 représente un tireur utilisant l'arme de la figure 1 pendant qu'il vise une cible;
  • la figure 7 est la vue qui est observée par le tireur dans la position de la figure 6;
  • la figure 8 est une vue semblable à celle de la figure 7, mais pour une variante d'un système de visée selon l'invention;
  • la figure 9 est une autre variante d'un système de visée selon la figure 3.
For the sake of clarity, some exemplary embodiments of an improved sighting system according to the invention are described below for illustrative and not restrictive, reference being made to the accompanying drawings in which:
  • Figure 1 is a perspective view of a weapon which is equipped with a sighting system according to the invention;
  • Figure 2 shows a side view along arrow F2 in Figure 1;
  • Figure 3 shows on a larger scale the aiming system indicated by the arrow F3 in Figure 1;
  • Figures 4 and 5 are views respectively along the arrows F4 and F5 in Figure 3;
  • FIG. 6 represents a shooter using the weapon of FIG. 1 while targeting a target;
  • Figure 7 is the view which is observed by the shooter in the position of Figure 6;
  • Figure 8 is a view similar to that of Figure 7, but for a variant of a sighting system according to the invention;
  • FIG. 9 is another variant of a sighting system according to FIG.

Les figures 1 et 2 montrent une arme 1 qui est composée d'un fusil 2 et d'un lance-grenades 3 montés en dessous du canon 4 du fusil 2 et qui est munie d'un système de visée 5 selon l'invention monté sur l'arme 1.Figures 1 and 2 show a weapon 1 which is composed of a rifle 2 and a grenade launcher 3 mounted below the barrel 4 of the rifle 2 and which is provided with a sighting system 5 according to the invention mounted on the weapon 1.

L'organe de visée 5 est représenté plus en détail dans les figures 3 à 5 et comprend essentiellement un indicateur lumineux 6; un dispositif de visée 7 matérialisant une fente d'alignement 8 verticale avec un plan de référence longitudinale XoX' parallèle ou substantiellement parallèle à l'axe Y-Y' du canon 4 et aligné sur l'indicateur lumineux 6; un inclinomètre qui n'est pas représenté dans les figures et qui sert à mesurer l'angle d'élévation A de l'arme et un calculateur balistique 9 branché sur l'indicateur lumineux 6 et sur l'inclinomètre.The sighting member 5 is shown in more detail in FIGS. 3 to 5 and essentially comprises a light indicator 6; a sighting device 7 materializing a vertical alignment slot 8 with a longitudinal reference plane XoX 'parallel or substantially parallel to the axis YY' of the barrel 4 and aligned with the light indicator 6; an inclinometer which is not shown in the figures and which serves to measure the elevation angle A of the weapon and a ballistic computer 9 connected to the indicator light 6 and the inclinometer.

Le calculateur balistique 9 est équipé d'un télémètre 10 branché sur le calculateur balistique 9 pour mesurer la distance de la cible.The ballistic computer 9 is equipped with a rangefinder 10 connected to the ballistic computer 9 to measure the distance of the target.

Le calculateur balistique 9 est pourvu aussi d'un interface 11 permettant au tireur de rentrer des données, comme par exemple le type d'arme utilisé, et d'un écran 12 pour visualiser certaines données comme la distance mesurée par exemple.The ballistic computer 9 is also provided with an interface 11 allowing the shooter to enter data, such as the type of weapon used, and a screen 12 to display certain data such as the distance measured for example.

Un interrupteur 13 permet d'actionner le télémètre au moment voulu de la visée.A switch 13 makes it possible to actuate the range finder at the desired moment of the aiming.

Dans le cas représenté, le dispositif de visée 7 est formé par deux parois parallèles ou substantiellement parallèles à l'axe Y-Y' du canon 4 de l'arme 1, dont la hauteur des parois 14 diminue vers l'extrémité avant 15 de l'arme 1.In the case shown, the sighting device 7 is formed by two walls parallel or substantially parallel to the axis YY 'of the barrel 4 of the weapon 1, whose height of the walls 14 decreases towards the front end 15 of the weapon 1.

L'indicateur lumineux 6 est matérialisé dans le cas présent par un repère lumineux, par exemple sous forme d'un LED qui est positionné entre les deux parois 14 et qui, en fonction du signal reçu, peut changer de couleur, par exemple du rouge au vert.The indicator light 6 is embodied in the present case by a light mark, for example in the form of an LED which is positioned between the two walls 14 and which, depending on the signal received, may change color, for example from red to green.

Le calculateur balistique 9 permet de calculer l'angle d'inclinaison souhaité de l'arme en fonction de la distance de la cible mesurée par le télémètre 10 et de contrôler le signal de l'indicateur lumineux 6 afin de signaler le moment où l'angle d'élévation mesuré A correspond à l'angle d'élévation calculé.The ballistic computer 9 makes it possible to calculate the desired angle of inclination of the weapon as a function of the distance of the target measured by the rangefinder 10 and to control the signal of the indicator light 6 in order to signal the moment when the measured elevation angle A corresponds to the calculated elevation angle.

Le calculateur balistique 9 contrôle l'indicateur 6 par exemple de façon à ce que l'indicateur 6 donne un signal lumineux d'une certaine couleur, de préférence rouge, tant que l'angle d'inclinaison mesuré A ne correspond pas à l'angle d'inclinaison calculé et qui change de couleur, de préférence le vert, une fois que cet angle d'inclinaison mesuré A correspond à l'angle calculé.The ballistic computer 9 controls the indicator 6 for example so that the indicator 6 gives a light signal of a certain color, preferably red, as long as the measured angle of inclination A does not correspond to the angle of inclination calculated and changing color, preferably green, once the measured angle of inclination A corresponds to the calculated angle.

Pour indiquer au tireur qu'il vise trop bas au trop haut, on peut percevoir que le signal de l'indicateur soit un signal clignotant tant que l'angle d'élévation mesuré A est inférieur à l'angle calculé, tandis que le signal soit un signal continu lorsque l'angle mesuré A atteint la valeur calculée ou dépasse cette valeur calculée.To indicate to the shooter that he is aiming too low at too high, it is possible to perceive that the signal of the indicator is a flashing signal as long as the measured elevation angle A is less than the calculated angle, while the signal a continuous signal when the measured angle A reaches the calculated value or exceeds this calculated value.

Afin de donner une idée au tireur qu'il se rapproche ou s'écarte de l'angle d'élévation requis, le clignotement du signal lumineux peut être de plus en plus rapide lorsque l'angle de l'arme mesuré A se rapproche de la valeur calculée.In order to give the firer an idea that he is approaching or deviating from the required elevation angle, the blinking of the light signal may be faster and faster as the angle of the measured weapon A approaches the calculated value.

L'utilisation du système de visée est simple et est expliquée ci-après à partir des figures 6 et 7.The use of the sighting system is simple and is explained below from FIGS. 6 and 7.

Le tireur 15 devra d'abord éventuellement indiquer au calculateur balistique 9, par exemple au moyen des boutons de commande 16 de l'interface 11 et de l'écran 12, quel type de grenade il utilise, le calculateur pouvant tenir en mémoire les caractéristiques balistiques de plusieurs munitions.The shooter 15 will first possibly indicate to the ballistic computer 9, for example by means of the control buttons 16 of the interface 11 and the screen 12, what type of grenade he uses, the calculator can hold in memory the characteristics ballistics of several ammunition.

Le tireur 17 déterminera ensuite la distance à laquelle se situe la cible 18 en visant la cible 18 à l'aide des organes de visée propres à l'arme et en actionnant le télémètre au moyen de l'interrupteur 13 pour enregistrer cette distance dans le calculateur balistique 9 qui calculera immédiatement la trajectoire balistique de la munition choisie et plus particulièrement calculera l'angle d'inclinaison de l'arme 1 requis pour toucher la cible.The shooter 17 will then determine the distance to which the target 18 is located by aiming at the target 18 by means of the sighting devices specific to the weapon and by actuating the rangefinder by means of the switch 13 to record this distance in the distance. ballistic calculator 9 which will immediately calculate the ballistic trajectory of the chosen munition and more particularly will calculate the angle of inclination of the weapon 1 required to hit the target.

Ensuite le tireur 17 se met en ligne avec la cible 18 comme illustré dans la figure 6 et vise la cible 18 comme représenté dans la figure 7 et fait pivoter son arme 1 comme indiqué dans la figure 6 tout en observant le signal de l'indicateur lumineux 6.Then the shooter 17 is in line with the target 18 as illustrated in Figure 6 and targets the target 18 as shown in Figure 7 and rotates his weapon 1 as shown in Figure 6 while observing the signal of the indicator bright 6.

L'indicateur lumineux 6 indiquera au tireur 17 qu'il vise trop bas en donnant un signal clignotant rouge.The indicator light 6 will indicate to the shooter 17 that he is aiming too low by giving a red flashing signal.

Le signal de clignotement deviendra de plus en plus rapide en se rapprochant de l'angle calculé par le calculateur balistique 9 et deviendra un signal continu vert une fois que l'angle calculé est atteint, comme signe pour le tireur de devoir actionner la détente de l'arme 1 pour tirer. Le signal deviendra rouge continu si le tireur dépasse l'angle correct de visée et donc vise trop haut.The blinking signal will become faster and closer to the angle calculated by the ballistic calculator 9 and will become a continuous green signal once the calculated angle is reached, as a sign for the shooter to operate the trigger of the weapon 1 to fire. The signal will turn solid red if the shooter exceeds the correct angle of sight and therefore aims too high.

Il est clair que le signal du calculateur balistique 9 peut éventuellement être utilisé aussi pour contrôler le déclenchement du mécanisme de percussion de l'arme 1 d'une façon automatique au moment au le bon angle de tir est atteint.It is clear that the signal of the ballistic computer 9 may also be used to control the triggering of the percussion mechanism of the weapon 1 in an automatic way at the moment the right firing angle is reached.

On constate en pratique que la manipulation de l'arme 1 est assez intuitive et facile.It is found in practice that the handling of the weapon 1 is quite intuitive and easy.

Il est clair que dans une réalisation plus simple on peut se passer du télémètre 10. La distance de la cible 18 sera alors déterminée d'une autre manière, par exemple par une estimation par le tireur 17, qui pourra enregistrer la distance estimée où moyen de l'interface 11.It is clear that in a simpler embodiment one can dispense with the rangefinder 10. The distance of the target 18 will then be determined in another way, for example by an estimate by the shooter 17, which can record the estimated distance or average of the interface 11.

Il est clair aussi que le système de visée 5 peut être réalisé sous forme d'une unité démontable de l'arme 1 ou peut être intégré dans l'arme 1.It is also clear that the sighting system 5 can be made in the form of a dismountable unit of the weapon 1 or can be integrated into the weapon 1.

La figure 8 montre un dispositif de visée 7 aussi avec deux parois 14 pour matérialiser une fente d'alignement 8, mais pour lequel l'indicateur lumineux 6 est formé par deux repères lumineux 19 positionnés de chaque côté du dispositif de visée 7 et immédiatement à côté des parois 14.FIG. 8 shows a sighting device 7 also with two walls 14 for materializing an alignment slot 8, but for which the indicator light 6 is formed by two light markers 19 positioned on each side of the sighting device 7 and immediately next to the walls 14.

L'utilisation de ce dispositif est similaire au cas précédent.The use of this device is similar to the previous case.

La figure 9 montre une variante d'un système de visée 5 selon l'invention qui est semblable à celui de la figure 3, mais dans lequel le dispositif de visé 7 est formé par un cadre 20 rectangulaire qui est redressé formant un angle B avec l'axe Y-Y' du canon 4 de l'arme 1 et matérialisant une fente 8.FIG. 9 shows a variant of a sighting system 5 according to the invention which is similar to that of FIG. 3, but in which the aiming device 7 is formed by a rectangular frame 20 which is rectified forming an angle B with the axis YY 'of the barrel 4 of the weapon 1 and materializing a slot 8.

Il est clair que le cadre 20 rectangulaire peut être remplacé par un cadre en forme de U ou en forme de V ou tout autre dispositif définissant une fente verticale.It is clear that the rectangular frame can be replaced by a U-shaped or V-shaped frame or any other device defining a vertical slot.

Il est clair aussi que le dispositif de visé 7 peut être réalisé sous forme rabattable, par exemple en prévoyant une articulation à la base du cadre 20.It is also clear that the target device 7 can be made in folding form, for example by providing a hinge at the base of the frame 20.

Il est évident que l'invention n'est nullement limitée aux exemples décrits ci-avant mais que de nombreuses modifications peuvent être apportées au système de visée décrit ci-avant sans sortir du cadre de l'invention telle que définie dans les revendications suivantes.It is obvious that the invention is not limited to the examples described above, but that many modifications can be made to the sighting system described above without departing from the scope of the invention as defined in the following claims.

Claims (20)

Système de visée amélioré pour une arme, caractérisé en ce qu'il comprend un indicateur lumineux (6) unique; un dispositif de visée (7) matérialisant une fente d'alignement (8) avec un plan de référence longitudinale (XoX') parallèle ou substantiellement parallèle à l'axe (Y-Y') du canon 4 et aligné sur l'indicateur lumineux (6); un inclinomètre pour mesurer l'angle d'élévation (A) de l'arme (1); un calculateur balistique (9) branché sur l'indicateur lumineux (6) et sur l'inclinomètre, permettant de calculer l'angle d'inclinaison souhaitée de l'arme (1) en fonction de la distance de la cible (18) et de contrôler l'indicateur lumineux (6) afin de signaler le moment où l'angle d'élévation mesuré (A) correspond à l'angle d'élévation calculé.Improved aiming system for a weapon, characterized in that it comprises a single indicator light (6); a sighting device (7) embodying an alignment slot (8) with a longitudinal reference plane (XoX ') parallel to or substantially parallel to the axis (Y-Y') of the barrel 4 and aligned with the light indicator (6); an inclinometer for measuring the elevation angle (A) of the weapon (1); a ballistic computer (9) connected to the indicator light (6) and the inclinometer, for calculating the desired angle of inclination of the weapon (1) according to the distance of the target (18) and to control the indicator light (6) to signal when the measured elevation angle (A) corresponds to the calculated elevation angle. Système de visée selon la revendication 1, caractérisé en ce qu'il comprend un télémètre (10) branché sur le calculateur balistique (9) pour mesurer la distance de la cible (18).Sighting system according to claim 1, characterized in that it comprises a rangefinder (10) connected to the ballistic computer (9) for measuring the distance of the target (18). Système de visée selon la revendication 1 ou 2, caractérisé en ce que l'indicateur lumineux (6) est constitué par au moins un repère lumineux qui donne un signal lumineux d'une certaine couleur, de préférence le rouge, tant que l'angle d'élévation mesuré (A) ne correspond pas à l'angle d'élévation calculé et qui change de couleur, de préférence le vert, une fois que cet angle d'élévation mesuré (A) correspond à l'angle calculé.Sighting system according to claim 1 or 2, characterized in that the light indicator (6) is constituted by at least one light mark which gives a light signal of a certain color, preferably red, as long as the angle measured elevation angle (A) does not correspond to the calculated elevation angle and changes color, preferably green, once this measured elevation angle (A) corresponds to the angle of elevation calculated. Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce que le signal de l'indicateur lumineux (6) est un signal clignotant tant que l'angle d'élévation mesuré (A) est inférieur à l'angle calculé, tandis que le signal est un signal continu lorsque l'angle mesuré (A) atteint la valeur calculée ou dépasse cette valeur calculée.A sighting system as claimed in any one of the preceding claims, characterized in that the signal of the indicator light (6) is a flashing signal as long as the measured elevation angle (A) is less than the calculated angle, while the signal is a continuous signal when the measured angle (A) reaches the calculated value or exceeds this calculated value. Système de visée selon la revendication 4, caractérisé en ce que le clignotement est de plus en plus rapide lorsque l'angle d'élévation mesuré (A) se rapproche de la valeur calculée.Sighting system according to claim 4, characterized in that the flashing is more and more rapid when the measured elevation angle (A) approaches the calculated value. Système de visée selon l'une quelconque des revendications 3 à 5, caractérisé en ce que l'indicateur lumineux (6) comprend un seul repère lumineux aligné sur le plan de référence longitudinale (XoX') de la fente d'alignement (8).A sighting system according to any of claims 3 to 5, characterized in that the light indicator (6) comprises a single light mark aligned with the longitudinal reference plane (XoX ') of the alignment slot (8) . Système de visée selon l'une quelconque des revendications 3 à 5, caractérisée en ce que l'indicateur lumineux (6) comprend deux repères lumineux (19), un de chaque côté du dispositif de visée (7).A sighting system according to any one of claims 3 to 5, characterized in that the indicator light (6) comprises two light marks (19), one on each side of the sighting device (7). Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de visée (7) matérialise une fente d'alignement (8) verticale.Sighting system according to one of the preceding claims, characterized in that the sighting device (7) embodies a vertical alignment slot (8). Système de visée selon la revendication 8, caractérisé en ce que le dispositif de visée (7) est formé par deux parois parallèles (14) ou substantiellement parallèles à l'axe (Y-Y') du canon (4) de l'arme (1).A sighting system according to claim 8, characterized in that the sighting device (7) is formed by two parallel walls (14) or substantially parallel to the axis (Y-Y ') of the gun barrel (4). (1). Système de visée selon la revendication 9, caractérisé en ce que la hauteur des parois (14) diminue vers l'extrémité avant (15) de l'arme (1).Sighting system according to claim 9, characterized in that the height of the walls (14) decreases toward the front end (15) of the weapon (1). Système de visée selon la revendication 9 ou 10, caractérisé en ce que l'indicateur lumineux (6) est situé entre les deux parois (14).Sighting system according to claim 9 or 10, characterized in that the light indicator (6) is located between the two walls (14). Système de visée selon la revendication 8, caractérisé en ce que le dispositif de visée (7) est formé par un cadre (20) redressé formant un angle (B) avec l'axe (Y-Y') du canon (4) de l'arme (1).Sighting system according to claim 8, characterized in that the sighting device (7) is formed by a rectified frame (20) forming an angle (B) with the axis (Y-Y ') of the barrel (4) of the weapon (1). Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de visé (7) est rabattable.Sighting system according to any one of the preceding claims, characterized in that the aiming device (7) is foldable. Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est monté sur l'arme à une distance de l'oeil du tireur (17) quand celui-ci se trouve en position de tir.A sighting system according to any one of the preceding claims, characterized in that it is mounted on the weapon at a distance from the shooter's eye (17) when it is in the firing position. Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce que la longueur dans le sens longitudinale de l'arme (1) de l'ensemble du dispositif de visée (7) et de l'indicateur lumineux (6) est de l'ordre de 10 cm ou moins.A sighting system according to any one of the preceding claims, characterized in that the length in the longitudinal direction of the weapon (1) of the entire aiming device (7) and the indicator light (6) are of the order of 10 cm or less. Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un inclinomètre branché sur le calculateur balistique (9) pour mesurer l'inclinaison latérale du plan de référence longitudinale du dispositif de visée (7) par rapport à l'horizontale, et que le calculateur balistique (9) calcule la correction de l'angle d'élévation de l'arme (1) en fonction de cet angle d'inclinaison latéral mesuré.A sighting system according to any one of the preceding claims, characterized in that it comprises an inclinometer connected to the ballistic computer (9) for measuring the lateral inclination of the longitudinal reference plane of the aiming device (7) with respect to the horizontal, and that the ballistic computer (9) calculates the correction of the elevation angle of the weapon (1) according to this measured angle of inclination. Système de visée selon l'une quelconque des revendications 2 à 16, caractérisé en ce que le calculateur balistique (7) enregistre l'angle d'élévation initial de l'arme (1) au moment du télémétrage, de manière à tenir compte, dans son calcul de l'angle d'élévation requis, du dévers de la cible (18) par rapport au tireur (17).A sighting system according to any one of claims 2 to 16, characterized in that the ballistic computer (7) records the initial elevation angle of the weapon (1) at the time of the telemetry, so as to take account, in its calculation of the required elevation angle, of the tilt of the target (18) relative to the shooter (17). Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce que le calculateur balistique (9) est branché sur le mécanisme de percussion de l'arme (1) afin de déclencher le tir au moment où l'arme (1) atteint la bonne position de tir calculée par le calculateur balistique (9).A sighting system according to any one of the preceding claims, characterized in that the ballistic computer (9) is connected to the percussion mechanism of the weapon (1) in order to trigger the shot when the weapon (1) reaches the correct shooting position calculated by the ballistic calculator (9). Système de visée selon la revendication 18, caractérisé en ce que le branchement du calculateur balistique (9) sur le mécanisme de percussion de l'arme (1) est interrompu lorsque la détente de l'arme (1) n'est pas actionnée.Sighting system according to claim 18, characterized in that the connection of the ballistic computer (9) to the percussion mechanism of the weapon (1) is interrupted when the trigger of the weapon (1) is not actuated. Système de visée selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est démontable de l'arme (1).Sighting system according to any one of the preceding claims, characterized in that it is removable from the weapon (1).
EP06076433A 2005-09-12 2006-07-17 Improved sight system for a weapon Withdrawn EP1762811A1 (en)

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