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특허 상세정보

Systems and methods for determining shooter locations with weak muzzle detection

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-003/80    G01S-003/00   
미국특허분류(USC) 367/127; 367/906; 367/118; 367/124
출원번호 US-0210295 (2005-08-23)
등록번호 US-7359285 (2008-04-15)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Ropes & Gray LLP
인용정보 피인용 횟수 : 20  인용 특허 : 18
초록

Systems and methods for locating the shooter of supersonic projectiles are described. The system uses at least five, preferably seven, spaced acoustic sensors. Sensor signals are detected for shockwaves and muzzle blast, wherein muzzle blast detection can be either incomplete coming from less than 4 sensor channels, or inconclusive due to lack of signal strength. Shooter range can be determined by an iterative computation and/or a genetic algorithm by minimizing a cost function that includes timing information from both shockwave and muzzle signal channe...

대표
청구항

What is claimed is: 1. A method for estimating a shooter range by detecting shock wave and muzzle blast, comprising: measuring shockwave-only signals at a plurality of spaced acoustic sensors forming an antenna; measuring a muzzle blast signal at the plurality of acoustic sensors; determining from the measured shock wave and muzzle blast signals an initial estimate of the shooter range; assuming an initial bullet velocity and a bullet drag coefficient; and iteratively computing an instantaneous bullet velocity along a bullet trajectory to obtain an upda...

이 특허에 인용된 특허 (18)

  1. Duckworth Gregory L. ; Barger James E. ; Gilbert Douglas C.. Acoustic counter-sniper system. USP2001016178141.
  2. Duckworth Gregory L. ; Barger James E. ; Gilbert Douglas C.. Acoustic counter-sniper system. USP1999075930202.
  3. Levanon Nadav,ILX ITX 52651. Acoustic hit indicator. USP1999075920522.
  4. Showen Robert L. ; Dunham Jason W.. Automatic real-time gunshot locator and display system. USP1999105973998.
  5. McNelis Niall B. (Baltimore MD). Method and apparatus for determining the general direction of the origin of a projectile. USP1996085544129.
  6. Hillis David B.. Method and apparatus for multi-sensor, multi-target tracking using a genetic algorithm. USP2000046055523.
  7. Ferkinhoff David J. ; Baylog John G.. Method and apparatus for preforming mutations in a genetic algorithm-based underwater target tracking system. USP1998075777948.
  8. McNelis, Niall B.. Method and system for correcting for curvature in determining the trajectory of a projectile. USP2003056563763.
  9. McNelis Niall B. (Baltimore MD) Conner Nelson O. (Mason Neck VA). Methods and apparatus for determining the trajectory of a supersonic projectile. USP1993085241518.
  10. Utke Reinhold E. (Moorhead MN) Eidsness John L. (Moorhead MN) Van de Loo Dale P. (Moorhead MN) Ellingson Gary L. (Moorhead MN) Aslakson Joel T. (Fargo ND). Object locator system. USP1994095346210.
  11. Figueroa Jorge F. (New Orleans LA) Barbieri Enrique (Metairie LA). Position detecting system and method. USP1994015280457.
  12. Brinn,Marshall Seth; Barger,James Edwin; Milligan,Stephen Douglas. Self-calibrating shooter estimation. USP2007037190633.
  13. Dumestre ; III. Alex C. (21 S. Lakeshore Dr. Covington LA 70433). Self-calibrating sonar system. USP1990114970698.
  14. Barger,James Edwin; Milligan,Stephen Douglas; Brinn,Marshall Seth; Mullen,Richard J.. System and method for disambiguating shooter locations. USP2006107126877.
  15. Patterson, Frank K.; Baxter, Kevin C.; Holmes, Fred H.. System and method for identifying and locating an acoustic event. USP2005016847587.
  16. Rowland Raymond J.. System and method for locating a trajectory and a source of a projectile. USP1998075781505.
  17. Baxter,Kevin; Fisher,Ken; Holmes,Fred. System and method for protecting the location of an acoustic event detector. USP2006117139222.
  18. Gabrielson Thomas B. (Warminster PA) McEachern James F. (Newtown PA) Lauchle Gerald C. (Port Matilda PA). Underwater acoustic intensity probe. USP1995025392258.

이 특허를 인용한 특허 피인용횟수: 20

  1. Barger, James Edwin; Coleman, Ronald Bruce; Stanley, John N.. Acoustic sensors for detecting shooter locations from an aircraft. USP2013108555726.
  2. Azimi-Sadjadi, Mahmood R.; Srinivasan, SaravanaKumar. Gunshot locating system and method. USP2014088817577.
  3. Medasani, Swarup; Owechko, Yuri; Daily, Michael; Azuma, Ronald. Multi-stage method for object detection using cognitive swarms and system for automated response to detected objects. USP2013088515126.
  4. Owechko, Yuri; Medasani, Swarup S.; Kim, Kyungnam. Rotorcraft threat detection system. USP2015028965044.
  5. Kim, Kyungnam; Daily, Michael. System for automatic object localization based on visual simultaneous localization and mapping (SLAM) and cognitive swarm recognition. USP2014028649565.
  6. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for hostile fire strike indication. USP2017059658108.
  7. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for hostile fire strike indication. USP2015089103628.
  8. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for indicating hostile fire. USP2017119830695.
  9. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for indicating hostile fire. USP2016069360370.
  10. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for indicating hostile fire. USP2017029569849.
  11. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for indicating hostile fire. USP2015119196041.
  12. Moraites, Stephen C.; McPhail, Shawn; Sobiski, Donald. System, method, and computer program product for indicating hostile fire. USP2015099146251.
  13. Johnson, Murphey L.. Systems and methods of processing information regarding weapon fire location using projectile shockwave and muzzle blast times of arrival data. USP2015038995227.
  14. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network and system, method, and computer program product thereof. USP2017089719757.
  15. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network and system, method, and computer program product thereof. USP2017089719758.
  16. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network and system, method, and computer program product thereof. USP2017079714815.
  17. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network and system, method, and computer program product thereof. USP20180910082369.
  18. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network and system, method, and computer program product thereof. USP20181210151567.
  19. Moraites, Stephen C.; Herman, Carl R.. Visual disruption network, and system, method, and computer program product thereof. USP20181210156429.
  20. Moraites, Stephen C.; Herman, Carl R.. Visual disruption system, method, and computer program product. USP2017049632168.