Laser based countermeasures system and method
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G01B-011/26
F41H-005/00
출원번호
US-0515890
(2007-11-13)
등록번호
US-8269957
(2012-09-18)
우선권정보
IL-179453 (2006-11-21)
국제출원번호
PCT/IL2007/001394
(2007-11-13)
§371/§102 date
20100121
(20100121)
국제공개번호
WO2008/062401
(2008-05-29)
발명자
/ 주소
Saban, Izhak
Miller, Hanoch
Even-Sturlesi, Doron
출원인 / 주소
Rafael—Armament Development Authority Ltd.
대리인 / 주소
Rothwell, Figg, Ernst & Manbeck, P.C.
인용정보
피인용 횟수 :
3인용 특허 :
7
초록▼
The present invention relates to a laser based system for protecting a platform against an armament equipped with an optical homing head element, that includes a command and control assembly equipped with an interface to a detection and acquisition system that detects and locates a threatening armam
The present invention relates to a laser based system for protecting a platform against an armament equipped with an optical homing head element, that includes a command and control assembly equipped with an interface to a detection and acquisition system that detects and locates a threatening armament and receives from it a warning about the detection of said threatening armament combined with data relating to it; and a laser source operable by the command and control assembly in order to produce the required energy for jamming the optical head of the threatening armament; and wherein the system is characterized by that it includes in addition a sectarian array of a plurality of end units that are connected unto the laser source for selectively routing laser energy from the source to an end unit that was selected by the command and control assembly as the end unit that is best suited under prevailing conditions for pointing at the threatening armament and attacking it by emitting a laser beam in its direction.
대표청구항▼
1. A laser based system for protecting a platform against an armament equipped with an optical homing head element, that comprises— a command and control assembly equipped with an interface to a detection and acquisition system that detects and locates a threatening armament and receives from it a w
1. A laser based system for protecting a platform against an armament equipped with an optical homing head element, that comprises— a command and control assembly equipped with an interface to a detection and acquisition system that detects and locates a threatening armament and receives from it a warning about said detection of said threatening armament combined with data relating to it; anda laser source operable by said command and control assembly in order to produce the required energy for jamming said optical head of said threatening armament; andwherein said system is characterized by that it comprises in addition—a sectarian array of a plurality of end units that are connected unto said laser source for selectively routing laser energy from said source to an end unit that was selected by said command and control assembly as the end unit that is best suited under prevailing conditions for pointing at said threatening armament and attacking it by emitting a laser beam in its direction, wherein each of said end units comprises a beam director module capable of aiming said laser beam towards said threatening armament and receiving optic reflections from it and an optoelectronic module that is connected to said beam director module and comprises a first sensor means covering a sector at which said threatening armament is anticipated, and second sensor means for sensing said returning optical reflections from said threatening armament as they are received after illuminating it by said laser beam,wherein said command and control assembly enables to rout said laser energy from said laser source to several of said end units in series, in accordance with the variations of said threatening armament's location in relation to said sectarian array of said end units, in a manner that enables to form a continuum of instances of aiming at said threatening armament and launching a volley of laser beams illuminating said threatening armament in series from said plurality of end units one after another, andwherein said command and control assembly enables continuous handling of a plurality of threatening armaments by selectively routing energy from said laser source to an end unit that was selected by said command and control assembly as the most suitable under the prevailing conditions, to be the end unit pointing at and illuminating one of said threatening armaments that endangers said platform at that specific instant, with said laser beam. 2. A system in accordance with claim 1, wherein— said first sensor means is a FLIR system. 3. A system in accordance with claim 1, wherein— said first sensor means is operable by said command and control assembly in a timing scheme fixed on a basis of data being received from said detection and acquisition system. 4. A system in accordance with claim 1, wherein— angular deviations if occur between said laser beam direction and said end unit's sensors LOS, are compensatable in real time. 5. A system in accordance with claim 1, wherein— said beam director module is an optical assembly movable in a manner that it enables centering the threatening armament appearance as it is received from said first sensor means towards the center of said sensor FOR. 6. A system in accordance with claim 5, wherein— said optical assembly includes stabilized mirror assembly in order to achieve said centering. 7. A system in accordance with claim 5, wherein— said threatening armament appearance includes a view of its front end wherein said laser beam might be aimed at. 8. A system in accordance with claim 1, wherein— said second sensor means for sensing the returning optical reflections from said threatening armament, is a FLIR system whose sensing sector is narrow relatively to the above cited dimensions of said sector that is provided by said first sensor means, and said second sensor is centered jointly with the direction of said laser beam. 9. A system in accordance with claim 1, wherein— said laser beam includes a plurality of wavelengths wherein each one of them can be modulated. 10. A system in accordance with claim 1, wherein— said second sensor means for sensing said optical reflections returning from said threatening armament is connected to a sensor means in order to receive data relating to said threatening armament. 11. A system in accordance with claim 10, wherein— said data includes at least one item from a group of data consisting of —velocity of said threatening armament, distance to said threatening armament, angle of said threatening armament in relation to said system, variation of angular rate of said threatening armament and an item providing intensity value of said optical reflection from said threatening armament. 12. A system in accordance with claim 11, wherein— said command and control assembly is connected to said sensor means for gathering the data serving to evaluate the trajectory of said threatening armament and arriving at decisions based on said data. 13. A system in accordance with claim 1, wherein— each of said end units, comprises—means for measuring said intensity of said laser beam; andmeans for generating data providing the location of said laser beam relative to said first sensor means FOR and relative to said second sensor means FOR in a manner that enables said command and control assembly to perform bore sighting of the direction of said laser beam relative to said cited sectors. 14. A system in accordance with claim 1, wherein— said beam director module constitutes a movable optical assembly that comprises—a stabilized mirrors assembly that might be aimed unto every given area within said FOR of said optical assembly; andmeans for calibrating said first and second sensor means; anda gage means for measuring intensity value of said laser source; andmeans for examining and calibrating said angular deviation between said axis of said laser beam to said first and second sensor means; andan electronic module that controls, activates and reports on said operational state of said optical assembly; andwherein said optoelectronic module constitutes a static assembly that comprises—said first and second sensor means; andan optomechanical adapter means for integrating said path of said laser beam radiated by said laser source and routing it by an optical path into said static assembly; andwherein said optomechanical adapter means includes optical components in order to lead said laser beam unto said optical assembly while adapting to said axis of field of view of said first and second sensor means; anddetector means for measuring the angular deviation of said laser beam while entering said adapter means;means for producing said angular state of said end units in space; andan electronic module for controlling, activating and reporting said operational state of said static assembly. 15. A method for protecting platforms from threatening armaments equipped with a guided homing head with an optical element, that includes the stages of— defining a threatening arena relative to a platform, in which the appearance of said threatening armament is anticipated; anddeploying a sectorial array of a plurality of end units relative to said arena, wherein said end units are all connected with a single laser source in a manner that enables selective routing of said laser energy from said laser source to a selected end unit; anddetection of a least one threatening armament in said arena on which said array of end units is assigned; andselecting an end unit that best suits to illuminate said threatening armament from among said other threatening armaments that were detected as said; andallocating said laser energy and routing it to said end units; andilluminating said most (imminent) threatening armament by a laser beam radiated from said end unit in order to jam or disrupt said homing head equipped with said optical element of said threatening armament; andcontinue illuminating said threatening armament by a laser beam radiated from an adjacent end unit, in series, one after another, in accordance with the variations of said threatening armament location within said arena. 16. A method for protecting in accordance with claim 15, where it includes in addition stages of— sensing said most threatening armament by first sensor means installed in said end unit; andsensing optical reflections of said laser beam as reflected from said most threatening armament by said second sensor installed on said (selected) end unit. 17. A method for protecting in accordance with claim 15, wherein it includes in addition a stage of— centering said threatening armament appearance at said first sensor unto said field of view center. 18. A method for protecting in accordance with claim 15 wherein it includes in addition a stage of— centering the LOS of said first and second sensor means and said laser beam to coincide all of them each one with said others. 19. A method for protecting in accordance with claim 15, wherein it includes in addition a stage of— analyzing data relating to the degree of threat presented by said threatening armament based on said reflections arriving from it. 20. A method for protecting in accordance with claim 15, wherein it includes in addition a stage of— compensating for angular deviations if they occur between said laser beam direction and said end unit's sensors LOS.
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이 특허에 인용된 특허 (7)
Warm Berndt (Nurnberg DEX) Wittmer Detlev (Lauf DEX) Noll Matthias (Eckental DEX), Apparatus for defending against an attacking missile.
Vauchy Jean-Marie (St-Cloud FRX) de Ponteves Dominique (Flers FRX), Method and apparatus for correcting the aiming of an optical illuminator on a target.
Schmitt,Randal L.; Henson,Tammy D.; Krumel,Leslie J.; Hargis, Jr.,Philip J., Method to determine and adjust the alignment of the transmitter and receiver fields of view of a LIDAR system.
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