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특허 상세정보

Semi-active laser last pulse logic seeker utilizing a focal plane array

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01C-003/08    G01S-017/66   
미국특허분류(USC) 25/020.32 ; 35/600.401
출원번호 US-0207899 (1998-11-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Tischer
인용정보 피인용 횟수 : 23  인용 특허 : 1
초록

The semi-active laser (SAL) last pulse logic seeker utilizing a focal plane array is obtained by combining the semi-active laser last pulse logic sal processing using a single PIN photodiode with a staring imaging infrared (I.sup.2 R) focal plane array detector, such as InSb. The result is an improvement that renders the seeker capable of operating in three different modes: SAL only, I.sup.2 R only or simultaneous multi-spectral processing in SAL/I.sup.2 R. The improvement uses a single PIN photodiode detector with an imaging infrared focal plane array (...

대표
청구항

[ We claim:] [1.] In a seeker for locating and tracking a target in a scene by detecting and processing laser pulses reflected by the target in the scene, the seeker having semi-active laser last pulse logic circuit for determining the last pulse indicative of the true target, the circuit containing a pulse discriminator for setting a pulse detection threshold, the threshold decaying at a given constant rate, and for producing pulse presence signals in response to the detected laser pulses and a microprocessor capable of receiving and processing the puls...

이 특허를 인용한 특허 피인용횟수: 23

  1. Caplan, William. Asynchronous pulse detection through sequential time sampling of optically spread signals. USP2017029568583.
  2. Layton, Allen C.. Binary optics SAL seeker (BOSS). USP2009087575191.
  3. Jenkins, David D.; Taylor, Byron B.; Markason, David J.. Co-boresighted dual-mode SAL/IR seeker including a SAL spreader. USP2012048164037.
  4. d'Aligny, Auguste. Distance measurement methods and apparatus. USP2015079091754.
  5. d'Aligny, Auguste. Distance measurement methods and apparatus. USP2017069689970.
  6. Streuber, Casey T.; Pflibsen, Kent P.; Easton, Michael P.. Dual-mode electro-optic sensor and method of using target designation as a guide star for wavefront error estimation. USP2013088502128.
  7. Ell, Todd; Rutkiewicz, Robert. Harmonic shuttered seeker. USP2015129207053.
  8. Guetta, Avishay; Yagudaev, Michael; Korngut, Doron. Laser daylight designation and pointing. USP2017039590000.
  9. Crawford, Ian D.; Chandler, Noal; Harwick, John; Wildon, Dwight; Smith, Charles G.. Laser spot tracking with off-axis angle detection. USP2013058451432.
  10. Ell, Todd. Laser-aided passive seeker. USP2016079383170.
  11. Thomas P. Ramstack. Lidar-based air defense system. USP2002056396577.
  12. Rinker, Robert. Multi-mode seekers including focal plane array assemblies operable in semi-active laser and image guidance modes. USP2014098829404.
  13. Roncone, Ronald L.. Multimode shared aperture seeker. USP2016039291429.
  14. English,James E.; Pittman,William C.. Polarized semi-active laser last pulse logic seeker using a staring focal plane array. USP2006016987256.
  15. McCarthy, Patrick L.. Projectile guidance system including a compact semi-active laser seeker with immersed filter stack and field lens. USP2012058188411.
  16. Ell, Todd; Caplan, William. Seeker having scanning-snapshot FPA. USP2016119494687.
  17. Ell, Todd. Seeker/designator handoff system for use in dual-mode guided missiles. USP20181110126101.
  18. Cloud, Eugene L.; Rakes, Alan; Bailey, John. System and method for identifying non-cooperative pulsed radiation sources in a field-of-view of an imaging sensor. USP2015028946647.
  19. Tholl,Hans Dieter; Barenz,Joachim. Target tracking device for a flight vehicle. USP2007127304283.
  20. Rutkiewicz, Robert; Halama, Gary. Target-designation detection used to shutter camera images for locating target. USP2018019857145.
  21. Andressen, Clarence C.; Anderson, Robert C.. Transparent silicon detector and multimode seeker using the detector. USP2012098274027.
  22. Ell, Todd A.; Rutkiewicz, Robert D.. View-point guided weapon system and target designation method. USP2013098525088.
  23. Sims,S. Richard F.; Pittman,William C.. Weather-agile reconfigurable automatic target recognition system. USP2006057040570.