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    • 2. 发明申请
    • LASER DIRECTION DETECTION
    • 激光方向检测
    • WO2006067781A3
    • 2006-09-21
    • PCT/IL2005001258
    • 2005-11-24
    • ELBIT SYSTEMS LTDDAVID OFER
    • DAVID OFER
    • G01S7/48G01S3/783
    • G01S7/4804G01S3/783
    • Apparatus for determining a direction of low power radiation originating from at least one source, the radiation arriving essentially collimated, the apparatus including an opening, at least two radiation sensors, a respective integrator for each radiation sensor, an integration enabler, a threat detector, and a processor, each integrator being coupled with a respective radiation sensor, the integration enabler being coupled with each integrator, the threat detector being coupled with the integration enabler, and the processor being coupled with the integrators and the threat detector, wherein the opening receives incoming radiation, the radiation sensors being located at different spatial locations behind the opening, each radiation sensor detecting at least a respective portion of the incoming radiation received from the opening and converting the respective portion of the incoming radiation into a respective electric signal, each integrator integrating the respective electric signal, wherein the threat detector detects threats and produces a threat indication for each detected threat, wherein the processor determines the direction according to the amounts of the electrical signals integrated by each of the integrators.
    • 用于确定源自至少一个源的低功率辐射方向的装置,所述辐射到达基本准直,所述装置包括开口,至少两个辐射传感器,用于每个辐射传感器的相应积分器,积分启用器,威胁检测器, 以及处理器,每个积分器与相应的辐射传感器耦合,所述积分使能器与每个积分器耦合,所述威胁检测器与所述积分使能器耦合,并且所述处理器与所述积分器和所述威胁检测器耦合,其中所述开口接收 辐射传感器位于开口后面的不同空间位置处,每个辐射传感器至少检测从开口接收的入射辐射的相应部分,并将入射辐射的相应部分转换为相应的电信号,每个积分器 整合相应的电信号 其中所述威胁检测器检测威胁并为每个检测到的威胁产生威胁指示,其中所述处理器根据由每个所述积分器集成的所述电信号的量来确定所述方向。
    • 3. 发明申请
    • OPTICAL CONCENTRATOR
    • 光学集中器
    • WO2006051536B1
    • 2006-06-22
    • PCT/IL2005001182
    • 2005-11-10
    • ELBIT SYSTEMS LTDDAVID OFER
    • DAVID OFER
    • H01L31/0232G02B20060101G02B3/08G02B19/00G02B27/30G06K7/10
    • G02B19/0076G02B3/08G02B19/0014H01L31/02325
    • Apparatus for concentrating light rays arriving from at least one opening onto a receiver, individual beams of the light rays each arriving at the apparatus substantially collimated, the apparatus including a respective Fresnel lens assembly for each opening, the Fresnel lens assembly including a first Fresnel lens, and a second Fresnel lens, the first Fresnel lens being located between the opening and the receiver, the second Fresnel lens being located between the first Fresnel lens and the receiver, the first Fresnel lens collimating the light rays arriving from the opening, the second Fresnel lens converging the collimated light rays onto the receiver, the opening being located in front of the Fresnel lens assembly, on the focal plane of the first Fresnel lens, centered on the focal point of the first Fresnel lens, and the receiver being located behind the Fresnel lens assembly, on the focal point of the second Fresnel lens.
    • 用于将从至少一个开口到达接收器的光线聚集的装置,每个到达该装置的光线的单独光束基本准直,该装置包括用于每个开口的相应菲涅耳透镜组件,该菲涅耳透镜组件包括第一菲涅耳透镜 ,以及第二菲涅耳透镜,第一菲涅耳透镜位于开口和接收器之间,第二菲涅耳透镜位于第一菲涅耳透镜和接收器之间,第一菲涅耳透镜使从开口到达的光线准直,第二 菲涅耳透镜将准直的光线会聚到接收器上,开口位于菲涅耳透镜组件的前方,在第一菲涅耳透镜的焦平面上,以第一菲涅耳透镜的焦点为中心,并且接收器位于后方 菲涅耳透镜组件,位于第二菲涅耳透镜的焦点上。
    • 4. 发明申请
    • IMAGE GATED CAMERA FOR DETECTING OBJECTS IN A MARINE ENVIRONMENT
    • 用于检测海洋环境中的物体的图像门控摄像机
    • WO2011107987A4
    • 2011-10-27
    • PCT/IL2011000206
    • 2011-03-01
    • ELBIT SYSTEMS LTDDAVID OFERBARUKH YEHUDA AKIVABENNET KERENSADE ALON
    • DAVID OFERBARUKH YEHUDA AKIVABENNET KERENSADE ALON
    • G01S7/483G01S17/10G01S17/89
    • G01S7/483G01S17/107G01S17/89
    • System for detecting objects protruding from the surface of a body of water in a marine environment under low illumination conditions, the system comprising a gated light source, generating light pulses toward the body of water illuminating substantially an entire field of view, a gated camera, sensitive at least to wavelengths of the light generated by the gated light source, the gated camera receiving light reflected from at least one object, within the field of view, protruding from the surface of the body of water and acquiring a gated image of the reflected light, and a processor coupled with the gated light source and with the gated camera, the processor gating the gated camera to be set 'OFF' for at least the duration of time it takes the gated light source to produce a light pulse in its substantial entirety in addition to the time it takes the end of the light pulse to complete traversing a determined distance from the system and back to the gated camera, the processor further setting, for each pulse, the gated camera to be 'ON' for an 'ON' time duration until the light pulse, reflecting back from the object, is received by the gated camera.
    • 用于检测在低照度条件下从海洋环境中的水体表面突出的物体的系统,所述系统包括门控光源,产生朝向基本上照射整个视场的水体的光脉冲,门控照相机, 其至少对由门控光源产生的光的波长敏感,门控相机接收从视野内的至少一个物体反射的从水体表面突出的光并获取反射的门控图像 光以及与门控光源和门控照相机耦合的处理器,处理器门控门控照相机至少持续一段时间,使门控光源在其大量产生光脉冲的时间内设置为“关闭” 除了光脉冲结束花费的时间完成从系统经过确定的距离并返回到门控照相机之后,处理器进一步 对于每个脉冲设置门控摄像机在'ON'持续时间内为'ON',直到由门控摄像机接收到从物体反射回来的光脉冲。
    • 5. 发明申请
    • LASER GATED CAMERA IMAGING SYSTEM AND METHOD
    • 激光相机摄像系统和方法
    • WO2004072678B1
    • 2004-09-16
    • PCT/IL2004000112
    • 2004-02-04
    • ELBIT SYSTEMS LTDINBAR SHAMIRDAVID OFER
    • INBAR SHAMIRDAVID OFER
    • G01S7/486G01S17/89
    • G01S17/023G01S7/486G01S17/107G01S17/89
    • A gated camera imaging system and method, utilizing a laser device for generating a beam of long duration laser pulses toward a target. A camera receives the energy of light reflexes of the pulses reflected from the target. The camera gating is synchronized to be set OFF for at least the duration of time it takes the laser device to produce a laser pulse in its substantial entirety, including an end of the laser pulse, in addition to the time it takes the laser pulse to complete traversing a zone proximate to the system and back to the camera, and set ON for an ON time duration thereafter until the laser pulse reflects back from the target and is received in the camera. The laser pulse width substantially corresponds to at least the ON time duration. Preferably, the laser device includes a Diode Laser Array (DLA).
    • 门控摄像机成像系统和方法,利用激光装置产生朝向目标的长时间激光脉冲束。 相机接收从目标反射的脉冲的光反射能量。 相机门控被同步以至少在激光装置基本上整体产生激光脉冲的时间的持续时间内,包括激光脉冲的结束,除了激光脉冲的时间 完成遍历靠近系统的区域并返回到摄像机,并且在此之后将ON设置为ON,直到激光脉冲从目标反射回来并被接收在摄像机中。 激光脉冲宽度至少基本上对应于接通时间。 优选地,激光装置包括二极管激光阵列(DLA)。
    • 6. 发明申请
    • LASER THREAT WARNING SYSTEM AND METHOD
    • 激光威胁系统和方法
    • WO2012093399A4
    • 2012-08-30
    • PCT/IL2012050002
    • 2012-01-03
    • ELBIT SYSTEMS LTDDAVID OFERYANIV ELADHERSHMAN AKIVASHUKRUN AVI
    • DAVID OFERYANIV ELADHERSHMAN AKIVASHUKRUN AVI
    • G01S7/48G01S3/783
    • G01S7/4804G01S3/783
    • Laser threat warning system for detecting laser radiation transmitted by a threat source. The system filters noise and irrelevant detections using filtering mechanisms, while identifying and characterizing an incoming laser-based threat using threat identification mechanisms. The filtering mechanisms include an adjustable threshold mechanism, a correlation filtering mechanism, and a friendly fire avoidance mechanism. The threat identification mechanisms include a temporal mapping mechanism and a first arrival mechanism. The adjustable threshold mechanism filters noise signals by dynamically adjusting a noise threshold level based on detected ambient light conditions. The correlation filtering mechanism filters noise signals based on correlation criteria of the received radiation timing. The friendly fire avoidance mechanism filters radiation transmitted by a non-threat source. The temporal mapping mechanism identifies and characterizes the threat based on pulse mappings of the radiation. The first arrival mechanism determines the threat direction based on where the radiation arrived first among multiple laser detectors.
    • 用于检测威胁源传输的激光辐射的激光威胁警告系统。 该系统使用过滤机制来过滤噪声和不相关的检测,同时使用威胁识别机制识别和表征传入的基于激光的威胁。 过滤机制包括可调阈值机制,相关过滤机制和友好的消防机制。 威胁识别机制包括时间映射机制和第一到达机制。 可调阈值机制通过基于检测到的环境光条件动态调整噪声阈值水平来对噪声信号进行滤波。 相关滤波机制根据接收到的辐射定时的相关标准对噪声信号进行滤波。 友好的防火机制可以过滤由非威胁源传播的辐射。 时间映射机制基于辐射的脉冲映射来识别和表征威胁。 首先到达机制基于辐射在多个激光检测器中首先到达的位置确定威胁方向。
    • 10. 发明专利
    • Sistema y método de formación de imágenes con cámara con desbloqueo periódico con un láser
    • ES2459748T3
    • 2014-05-12
    • ES04708004
    • 2004-02-04
    • ELBIT SYSTEMS LTD
    • INBAR SHAMIRDAVID OFER
    • Un sistema láser (20) de formación de imagen con una cámara con desbloqueo periódico, que comprende: Un dispositivo láser (30), para generar un haz de energía láser (40) en forma de pulsos; y un montaje (60) de cámara con desbloqueo periódico para recibir la energía de los reflejos (70) de luz de dichos pulsos reflejados desde objetos situados entre una distancia Lm y una distancia Lt, en la que dicha distancia Lm es una distancia mínima desde dicho sistema (20) a la cual se desea recibir los reflejos, y en la que dicha distancia Lt es una distancia más alejada de dicho sistema a la que está situado el blanco (50); dicho sistema está caracterizado porque: el desbloqueo periódico de dicho montaje (60) de cámara está sincronizado, en un estado OFF, durante al menos el tiempo que dicho dispositivo láser 30 tarda en producir un pulso láser de dichos pulsos, además del tiempo adicional que tarda la totalidad sustancial de dicho pulso láser en completar longitudinalmente la distancia Lm, y reflejarse de vuelta a dicho montaje (60) de cámara, y poner dicho montaje (60) de cámara en estado ON durante una duración de tiempo en ON hasta que la totalidad sustancial de dicho pulso láser se refleja de vuelta desde dicha distancia Lt, y es recibida en dicho montaje (60) de cámara; comprendiendo dicho pulso láser una achura de pulso larga, que corresponde sustancialmente, en duración, a dicha duración de tiempo en ON, de manera que los reflejos de los objetos próximos a dicha distancia Lm comprende una pequeña porción de dicho pulso láser mientras que el reflejo procedente de los objetos próximos a dicha distancia Lt comprende una gran porción de dicho pulso.