Boresighting system and method

Abstract

A boresight device, includes a rotating camera and a camera carrier. The camera carrier is connected to a firearm barrel, or removably attachable to the firearm.

1 . A boresighting device, comprising a rotating camera and a camera carrier connected to or removably attachable to a firearm barrel. 
   
   
       2 . A boresighting device according to  claim 1 , further comprising electrical motor coupled to the rotating camera. 
   
   
       3 . A boresighting device according to  claim 2 , wherein the motor being remotely controlled. 
   
   
       4 . A boresighting device according to  claim 1 , further comprising wireless communication unit. 
   
   
       5 . A boresighting device according to  claim 1 , wherein the camera is coupled to a weapon's barrel or to a muzzle-adapter attachable to a weapons barrel, through a ring-shaped bearing. 
   
   
       6 . A boresighting device according to  claim 1 , further comprising a tightening arrangement comprising a lever handle operable by a user between a securing position and a releasing position and coupled mechanically to at least one tightening cam; the tightening cam being moveable by the handle between a tightening position in which the cam protrudes from the muzzle adapter to a first extent, and a releasing position in which the cam is withdrawn into the muzzle-adapter or at least moves to protrude from the muzzle-adapter to a second extent smaller from said first extent. 
   
   
       7 . A boresighting device according to  claim 1 , further comprising a control unit located remotely from the boresighting device. 
   
   
       8 . In a boresighting device having a camera as a means for imitating muzzle's boresight, the improvement comprising a pivotal coupling arrangement between the camera and a construction carrying the camera. 
   
   
       9 . Boresighting system comprising a boresighting device having a rotating camera, a camera carrier connected to or removably attachable to a firearm barrel, and a control unit located remotely from the boresighting device. 
   
   
       10 . Setup method for camera-based boresighting devices, the method includes aiming a boresighting device toward an image-origin; activating a camera having a line-of-view for acquiring from the image origin a reference image taken at a first angular position of the camera; rotating the camera about an axis parallel or close to parallel to the line-of-view and acquiring a comparable image from the image origin taken at a second angular position of the camera; comparing the acquired images and determining a pixel or an array of a few adjacent pixels representing similar portion of the image origin in both acquired images; and marking said pixel or a substantial center of said pixels' array by a crosshair. 
   
   
       11 . Boresighting device having a camera as a means for imitating a muzzle's boresight, the camera being characterized by an invariable zoom and a focal infinity.