Apparatus, system, and method for firearms training

Abstract

A system is disclosed. The system has a target assembly having a reflective surface, a plurality of acoustic sensors disposed at the target assembly, and at least one optical sensor. The target assembly includes sound-absorbing material. The at least one optical sensor is configured to image a plurality of users of the system.

1 - 20 . (canceled) 
     
     
         21 . A system, comprising:
 a target assembly having a reflective surface, the target assembly disposed at a wall of a shooting room;   a plurality of acoustic sensors disposed at the target assembly;   a line-of-sight barrier disposed in the shooting room; and   at least one optical sensor;   wherein the at least one optical sensor is configured to identify spatial coordinates of a first user and a second user of the system in the shooting room;   wherein the reflective surface is configured to reflect a reflected image of the first user at the second user; and   wherein the line-of-sight barrier is configured to block a direct line-of-sight between the first user and the second user.   
     
     
         22 . The system of  claim 21 , wherein the target assembly includes sound-absorbing material. 
     
     
         23 . The system of  claim 22 , wherein the target assembly includes a reflective layer including the reflective surface, the sound-absorbing material, and an impact plate. 
     
     
         24 . The system of  claim 23 , wherein the sound-absorbing material is disposed between the reflective layer and the impact plate, and the sound-absorbing material abuts both the reflective layer and the impact plate. 
     
     
         25 . The system of  claim 21 , wherein the at least one optical sensor includes a plurality of stereoscopic cameras and the plurality of acoustic sensors includes a plurality of microphones. 
     
     
         26 . The system of  claim 25 , wherein the plurality of microphones is configured to locate a bullet impact point on the target assembly based on time of arrival extraction and triangulation computing. 
     
     
         27 . The system of  claim 21 , wherein the line-of-sight barrier is a bulletproof barrier that is configured to be disposed between the first user and the second user, the line-of-sight barrier preventing projectiles from passing through the line-of-sight barrier. 
     
     
         28 . The system of  claim 21 , wherein the reflected image of the first user on the target assembly is visible to the second user as a dynamically moving reflection of the first user. 
     
     
         29 . A method, comprising:
 using a reflective surface of a target assembly to reflect an image of a first user at a first location to be visible as a reflected image on the reflective surface to a second user at a second location;   disposing a plurality of acoustic sensors at the target assembly;   acoustically sensing, using the plurality of acoustic sensors, a bullet impact location point on the target assembly of a bullet fired from a firearm of the second user at the reflected image of the first user; and   optically sensing a location of the first user and the second user;   wherein acoustically sensing the bullet impact location point includes calculating the bullet impact location point on the target assembly by triangulation based on a time of arrival of a bullet impact noise to each of the plurality of acoustic sensors.   
     
     
         30 . The method of  claim 29 , wherein the time of arrival of the bullet impact noise to each of the plurality of acoustic sensors is a travel time of the bullet impact noise between a time of bullet impact on an impact plate of the target assembly and a time of arrival of the bullet impact noise at each of the plurality of acoustic sensors. 
     
     
         31 . The method of  claim 29 , wherein calculating the bullet impact location point on the target assembly by triangulation includes determining a signal band for each of the plurality of acoustic sensors that includes the time of arrival of the bullet impact noise to each of the plurality of acoustic sensors. 
     
     
         32 . The method of  claim 31 , further comprising dividing the signal band for each of the plurality of acoustic sensors into time intervals. 
     
     
         33 . The method of  claim 32 , further comprising performing a triangulation for each time interval of each signal band for each of the plurality of acoustic sensors. 
     
     
         34 . The method of  claim 29 , wherein the plurality of acoustic sensors includes six acoustic sensors and calculating the bullet impact location point on the target assembly by triangulation includes performing a triangulation of all triplets of the six acoustic sensors. 
     
     
         35 . The method of  claim 29 , wherein the reflected image of the first user on the reflective surface is visible to the second user as a dynamically moving reflection of the first user. 
     
     
         36 . An impact shot tracking system, comprising:
 an impact shot tracking module, comprising computer-executable code stored in non-volatile memory;   a processor;   an acoustic sensor array including six acoustic sensors;   an optical sensor array; and   a target assembly;   wherein the impact shot tracking module, the processor, the acoustic sensor array, the optical sensor array, and the target assembly are configured to:
 reflect an image of a first user on the target assembly, the reflected image of the first user being visible to a second user; 
 sense a time at which a firearm of the second user is fired at the reflected image of the first user that is visible to the second user on the target assembly; 
 sense a projectile impact location point on the target assembly of a projectile fired from the firearm of the second user; and 
 determine a location of the reflected image of the first user on a reflective surface of the target assembly; 
   wherein sensing the projectile impact location point includes performing a triangulation of all triplets of the six acoustic sensors.   
     
     
         37 . The impact shot tracking system of  claim 36 , further comprising a direct line-of-sight barrier that is a bulletproof barrier configured to block a direct line-of-sight between the first user and the second user. 
     
     
         38 . The impact shot tracking system of  claim 36 , wherein the target assembly includes a reflective surface that is angled relative to the second user to reflect the reflected image of the first user at the second user. 
     
     
         39 . The impact shot tracking system of  claim 38 , wherein determining the location of the reflected image of the first user on the reflective surface of the target assembly is based on using the optical sensor array to sense a location of the first user. 
     
     
         40 . The impact shot tracking system of  claim 36 , wherein the optical sensor array is configured to sense a location of a barrel of the firearm. 
     
     
         41 . The impact shot tracking system of  claim 36 , wherein performing the triangulation of all triplets of the six acoustic sensors is performed in real time throughout a shot sequence of the impact shot tracking system.