Dot sighting device with large caliber

Abstract

Provided is a dot sighting device with large caliber for binocular vision in which sighting can be performed rapidly and accurately by minimizing parallax. The dot sighting device is attached to and detached from a mount for a heavy machine gun. In addition, by using the dot sighting device with large caliber, a user can rapidly and accurately sight and fire a target by taking into consideration types and characteristics of the target and a distance to the target.

The invention claimed is: 
     
       1. A dot sighting device comprising:
 a reflection mirror;   an illumination having a LED irradiating light to the reflection mirror and a transparent reticle that is positioned in front of the LED and forms a dot image by transmitting the light irradiated from the LED;   a fixed grille formed on a lower portion of the dot sighting device;   wherein the dot sighting device is attached to and detached from a mount for a heavy machine gun by the fixed grille;   wherein the reflection mirror comprises a doublet, with a first surface, an interior second surface and a third surface, with the first surface and third surface being spherical, wherein the interior second surface of the reflection mirror comprises a LED reflection surface;   wherein a radius curvature of the first and third surfaces satisfies the following equation:   
       
         
           
             
               
                 
                   
                     
                       
                         
                           D 
                           1 
                         
                         = 
                         
                           
                             n 
                             - 
                             1 
                           
                           
                             R 
                             1 
                           
                         
                       
                       , 
                       
                         
                           D 
                           2 
                         
                         = 
                         
                           
                             1 
                             - 
                             n 
                           
                           
                             R 
                             3 
                           
                         
                       
                     
                     ⁢ 
                     
                       
 
                     
                     ⁢ 
                     
                       
                         
                           D 
                           1 
                         
                         + 
                         
                           D 
                           2 
                         
                         - 
                         
                           
                             d 
                             n 
                           
                           ⁢ 
                           
                             D 
                             1 
                           
                           ⁢ 
                           
                             D 
                             2 
                           
                         
                       
                       = 
                       0 
                     
                   
                 
                 
                   
                     ( 
                     1 
                     ) 
                   
                 
               
             
           
         
       
       wherein D 1  denotes a refractive power of the first surface D 2  denotes a refractive power of the third surface, d denotes a distance between the centers of the first and third surfaces, R 1  denotes a radius curvature of the first surface, R 3  denotes a radius curvature of the third surface, and n denotes a refractive index of the material. 
     
     
       2. The dot sighting device of  claim 1 , further comprising a reticle selection unit connected to the illumination unit, wherein the transparent reticle is formed on a plane perpendicular to a reticle rotation axis that extends from the reticle selection unit and penetrates the illumination unit, thus being able to rotate based on the reticle rotation axis by rotation of the reticle selection unit, and a plurality of reticles according to a target are formed on the transparent reticle on the same radial axis around the reticle rotation axis, and one of the reticles corresponding to the target is selected by rotating the reticle selection unit according to the target. 
     
     
       3. The dot sighting device of  claim 1 , further comprising a reticle selection unit connected to the illumination unit, wherein the transparent reticle is formed on a plane perpendicular to a reticle rotation axis that extends from the reticle selection unit and penetrates the illumination unit, thus being able to rotate based on the reticle rotation axis by rotation of the reticle selection unit, and a plurality of reticles are formed on the transparent reticle on the same radius axis around the reticle rotation axis, wherein the reticles are formed closer to the reticle rotation axis as a distance to the corresponding point of impact is farther, and one of the reticles is selected by rotating the reticle rotation unit according to a distance to the target. 
     
     
       4. A dot sighting device comprising:
 a reflection mirror;   an illumination having a LED irradiating light to the reflection mirror and a transparent reticle that is positioned in front of the LED and forms a dot image by transmitting the light irradiated from the LED;   a fixed grille formed on a lower portion of the dot sighting device;   wherein the dot sighting device is attached to and detached from a mount for a heavy machine gun by the fixed grille;   the dot sighting device further comprising a reticle selection unit connected to the illumination unit, wherein the transparent reticle is formed on a plane perpendicular to a reticle rotation axis that extends from the reticle selection unit and penetrates the illumination unit, thus being able to rotate based on the reticle rotation axis by rotation of the reticle selection unit, and a plurality of reticles according to a target are formed on the transparent reticle on the same radial axis around the reticle rotation axis, and one of the reticles corresponding to the target is selected by rotating the reticle selection unit according to the target;   wherein the reticle rotation axis comprises, around a reticle rotation connection axis, a rotation axis on an illumination unit side having a convex-concave portion with a plurality of convexes-concaves corresponding to a distance to a point of impact; and a rotation axis on a reticle selection unit side that has protrusions coupled to desired convexes-concaves of the convex-concave portion on an end thereof and the other end of which is connected to the transparent reticle,   wherein the rotation axis on the illumination unit side and the rotation axis on the reticle selection unit side are separated from each other by pulling the reticle selection unit, and then the reticle selection unit is rotated so as to couple a desired convex-concave corresponding to the distance to the point of impact of the convex-concave portion of the rotation axis on the illumination unit side with the protrusion of the rotation axis on the reticle selection unit side.   
     
     
       5. A dot sighting device comprising:
 a reflection mirror;   an illumination having a LED irradiating light to the reflection mirror and a transparent reticle that is positioned in front of the LED and forms a dot image by transmitting the light irradiated from the LED;   a fixed grille formed on a lower portion of the dot sighting device, wherein the dot sighting device is attached to and detached from a mount for a heavy machine gun by the fixed grille;   wherein the upper plate comprises a protective window; a reflection mirror; and an illumination unit, and   wherein the lower plate comprises: a fixed grille formed on a lower portion of the dot sighting device;   a bullet path adjustment handle installed at a side surface of the dot sighting device;   a click control bolt that connects the upper and lower plates and sets an origin point;   a bullet path adjustment body that is accommodated in a bullet path adjustment body accommodation unit formed in the lower plate and is connected to the upper plate by fixing an end on the lower plate side of the click control bolt to an upper portion of a plate connection rotation axis penetrating a side surface of the lower plate;   a bullet path adjustment axis that comprises a bullet path adjustment portion positioned on a bullet path adjustment axis contact portion at an end of the bullet path adjustment body, and penetrates the lower plate, thereby being connected to the bullet path adjustment handle;   a connection pin of the bullet path adjustment body and the lower plate, penetrating the other end of the bullet path adjustment body and the lower plate from a side surface of the lower plate, thereby connecting the bullet path adjustment body and the lower plate; and   a spring accommodation portion formed in a top surface of the lower plate on the bullet path adjustment axis contact portion side based on the connection pin,   wherein the spring accommodation portion accommodates a spring, thereby pushing the upper plate and the lower plate apart from each other,   wherein the bullet path adjustment body is rotatable around the upper/lower plate connection rotation axis, wherein the bullet path adjustment axis contacts a top surface of the bullet path adjustment axis contact portion of the bullet path adjustment body, and comprises a bullet path adjustment portion having a plurality of contact surfaces each having a different normal distance from the center of the bullet path adjustment axis, corresponding to a distance to a target,   wherein, in the bullet path adjustment portion, by rotating the bullet path adjustment handle, a contact surface corresponding to a distance to a desired target contacts the bullet path adjustment axis contact portion.   
     
     
       6. A dot sighting device comprising:
 a reflection mirror;   an illumination having a LED irradiating light to the reflection mirror and a transparent reticle that is positioned in front of the LED and forms a dot image by transmitting the light irradiated from the LED;   a fixed grille formed on a lower portion of the dot sighting device,   wherein the dot sighting device is attached to and detached from a mount for a heavy machine gun by the fixed grille;   the dot sighting device further comprising a reticle selection unit connected to the illumination unit, wherein the transparent reticle is formed on a plane perpendicular to a reticle rotation axis that extends from the reticle selection unit and penetrates the illumination unit, thus being able to rotate based on the reticle rotation axis by rotation of the reticle selection unit, and a plurality of reticles are formed on the transparent reticle on the same radius axis around the reticle rotation axis, wherein the reticles are formed closer to the reticle rotation axis as a distance to the corresponding point of impact is farther, and one of the reticles is selected by rotating the reticle rotation unit according to a distance to the target   wherein the reticle rotation axis comprises, around a reticle rotation connection axis, a rotation axis on an illumination unit side having a convex-concave portion with a plurality of convexes-concaves corresponding to a distance to a point of impact; and a rotation axis on a reticle selection unit side that has protrusions coupled to desired convexes-concaves of the convex-concave portion on an end thereof and the other end of which is connected to the transparent reticle,   wherein the rotation axis on the illumination unit side and the rotation axis on the reticle selection unit side are separated from each other by pulling the reticle selection unit, and then the reticle selection unit is rotated so as to couple a desired convex-concave corresponding to the distance to the point of impact of the convex-concave portion of the rotation axis on the illumination unit side with the protrusion of the rotation axis on the reticle selection unit side.   
     
     
       7. The dot sighting device of  claim 1 , wherein the second surface comprises an aspheric surface having a conic coefficient. 
     
     
       8. A trajectory correcting apparatus, comprising:
 a first plate;   a second plate;   a pin that couples the first plate to the second plate;   an adjustment portion coupled to the second plate;   a first adjustment mechanism coupled to the first plate and the adjustment portion that adjusts an angle between the first plate and the second plate, wherein the adjustment portion is positioned within the second plate; and   a second adjustment mechanism that selects a bullet path, the second adjustment mechanism being distinct from the first adjustment mechanism, and the second adjustment mechanism being operable to adjust the angle between the first plate and the second plate.   
     
     
       9. The trajectory correcting apparatus of claim 8, wherein the second adjustment mechanism includes a first control mechanism and a second control mechanism, the first control mechanism operable to adjust a zero point in up and down directions, and the second control mechanism operable to adjust the zero point in left and right directions. 
     
     
       10. The trajectory correcting apparatus of claim 8, wherein the second adjustment mechanism includes a plurality of selections, each selection corresponding with a predetermined bullet path adjustment associated with a selected distance to a target. 
     
     
       11. The trajectory correcting apparatus of claim 8, wherein the second adjustment mechanism includes a plurality of slope selection portions that, when selected, set a slope of the first plate relative to the second plate corresponding to a predetermined distance to a target. 
     
     
       12. The trajectory correcting apparatus of claim 11, wherein the adjustment portion includes a contacting portion that contacts a selected one of the plurality of slope selection portions. 
     
     
       13. The trajectory correcting apparatus of claim 8, wherein the second plate includes a cavity defined therein. 
     
     
       14. The trajectory correcting apparatus of claim 13, wherein at least a portion of the adjustment portion is disposed in the cavity. 
     
     
       15. The trajectory correcting apparatus of claim 8, wherein the first adjustment mechanism includes a rotatable control mechanism. 
     
     
       16. The trajectory correcting apparatus of claim 15, wherein the second adjustment mechanism includes a rotatable handle distinct from the rotatable control mechanism. 
     
     
       17. The trajectory correcting apparatus of claim 16, wherein an axis of rotation of the first adjustment mechanism is orthogonal to an axis of rotation of the rotatable handle. 
     
     
       18. The trajectory correcting apparatus of claim 8, further comprising a spring disposed between the first plate and the second plate. 
     
     
       19. The trajectory correcting apparatus of claim 18, wherein the spring is disposed at a same side of the pin as the second control mechanism. 
     
     
       20. The trajectory correcting apparatus of claim 8, wherein the first plate is operable to couple to a sighting device, and the second plate is operable to couple to a firearm. 
     
     
       21. The trajectory correcting apparatus of claim 8, further comprising an illumination element that irradiates light, and a reflection element that reflects at least a portion of the light irradiated by the illumination element to form an image. 
     
     
       22. The trajectory correcting apparatus of claim 21, wherein the reflection element is coupled to the first plate. 
     
     
       23. A trajectory correcting apparatus, comprising:
 a first plate;   a second plate;   a pin that couples the first plate to the second plate;   an adjustment portion positioned within the second plate;   a first means for adjusting an angle between the first plate and the second plate, wherein the first means is coupled to the adjustment portion; and   a second means for adjusting the angle between the first plate and the second plate.   
     
     
       24. The trajectory correcting apparatus of claim 23, wherein the second means selects a bullet path. 
     
     
       25. The trajectory correcting apparatus of claim 24, wherein the second means includes a handle. 
     
     
       26. The trajectory correcting apparatus of claim 23, wherein the first plate is operable to couple to a sighting device, and the second plate is operable to couple to a firearm. 
     
     
       27. The trajectory correcting apparatus of claim 23, further comprising an illumination element that irradiates light, and a reflection element that reflects at least a portion of the light irradiated by the illumination element to form an image. 
     
     
       28. The trajectory correcting apparatus of claim 27, wherein the reflection element is coupled to the first plate.