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    • 1. 发明授权
    • Active night vision system for vehicles employing short-pulse laser illumination and a gated camera for image capture
    • 使用短脉冲激光照明的车辆的主动夜视系统和用于图像捕获的门控摄像机
    • US06730913B2
    • 2004-05-04
    • US09683838
    • 2002-02-21
    • Jeffrey Thomas RemillardWilles H. Weber
    • Jeffrey Thomas RemillardWilles H. Weber
    • G01J500
    • H04N5/238G01J1/08G01S7/484G01S7/489G01S17/107G01S17/89G02B23/12H04N5/33H04N5/372
    • A method of detecting objects with a night vision system is provided. The night vision system includes a light source and a camera. The method includes activating the light source as a sequence of light pulses wherein each light pulse is increasing in intensity for a predetermined number of pulses to form a pulse train. The camera is activated as a corresponding sequence of detection windows wherein each of the windows corresponds to one of the light pulses for receiving reflected light resulting from the corresponding light pulse. The light pulses and detection windows are configured such that a time delay between each corresponding light pulse and detection window is increasing throughout the pulse train. In another variation, the camera gain is increased throughout the pulse train. In yet another variation, the light pulses have constant amplitude, the camera gain is constant for all pulses, and the number of camera gain windows increases as the delay increases. In all cases, objects nearer the night vision system are imaged with lower intensity light, less camera gain, and/or fewer laser pulses than objects further away to provide a composite image in which the apparent brightness of near and far objects can be controlled.
    • 提供了一种用夜视系统检测物体的方法。 夜视系统包括光源和相机。 该方法包括将光源激活为光脉冲序列,其中每个光脉冲在预定数量的脉冲上强度增加以形成脉冲序列。 相机被激活为相应的检测窗口序列,其中每个窗口对应于用于接收由相应的光脉冲产生的反射光的光脉冲之一。 光脉冲和检测窗被配置为使得每个对应的光脉冲和检测窗口之间的时间延迟在整个脉冲串中增加。 在另一个变型中,在整个脉冲串中增加摄像机增益。 在又一变型中,光脉冲具有恒定的幅度,相机增益对于所有脉冲是恒定的,并且相机增益窗口的数量随着延迟的增加而增加。 在所有情况下,靠近夜视系统的物体以较低强度的光,较少的照相机增益和/或比较远的物体少的激光脉冲成像,以提供可以控制近距离物体和远物体的表观亮度的合成图像。
    • 2. 发明授权
    • On-board gas composition sensor for internal combustion engine exhaust
gases
    • 用于内燃机废气的车载气体组成传感器
    • US5490490A
    • 1996-02-13
    • US363844
    • 1995-04-27
    • Willes H. WeberBennie D. PoindexterJeffrey T. Remillard
    • Willes H. WeberBennie D. PoindexterJeffrey T. Remillard
    • F02D41/14G01N30/02
    • F02D41/1451
    • An on-board gas composition sensor is disclosed for monitoring oxygen content levels in the exhaust gas of an internal combustion engine. The gas composition sensor includes a light source for generating excitation light, e.g. in the 350-525 nm wavelength range. A sensor body of porous high-temperature fluorescent inorganic oxide ceramic exposed to the exhaust gas emits an optical fluorescence signal responsive to oxygen content in the exhaust gas upon exposure to the excitation light at 400.degree.-650.degree. C. A florescence detector receives the optical fluorescence signal from the sensor means and generates an exhaust gas oxygen content output signal in response. Fiber-optic cable can be employed for transmitting excitation light to the sensor body from a remotely located light emitter. The same or a separate fiber-optic cable can transmit the optical fluorescent signal from the sensor body to the fluorescence detector also at a remote location.
    • 公开了一种用于监测内燃机的废气中的氧含量水平的车载气体组成传感器。 气体成分传感器包括用于产生激发光的光源,例如 在350-525 nm波长范围内。 暴露于废气的多孔高温荧光无机氧化物陶瓷的传感器体在暴露于400-650℃的激发光时,响应于废气中的氧含量发射光学荧光信号。荧光检测器接收光学 来自传感器装置的荧光信号,并且响应地产生排气氧含量输出信号。 可以使用光纤电缆将激发光从远程位置的发光器传输到传感器主体。 相同或单独的光纤电缆也可以在远程位置将光学荧光信号从传感器主体传输到荧光检测器。
    • 4. 发明授权
    • Color corrected laser illumination system for night vision applications
    • 用于夜视应用的彩色校正激光照明系统
    • US06900437B2
    • 2005-05-31
    • US10064116
    • 2002-06-12
    • Jeffrey Thomas RemillardTimothy FohlWilles H. Weber
    • Jeffrey Thomas RemillardTimothy FohlWilles H. Weber
    • G02B23/12G02B27/14G01J5/00
    • G02B27/1086G02B23/12
    • A lighting system for night vision applications including a near infrared light source, a visible light source, a beamsplitter and an optical element. The beamsplitter is arranged to reflect light emitting from either the near infrared light source or the visible light source and transmit light emitting from the other of the near infrared light source or visible light source so as to produce a color-corrected light source. The optical element is disposed a predetermined distance from the color-corrected light source. The optical element includes an input surface for receiving light from the color-corrected light source and an output surface for emitting the received light in a desired emission pattern. In one embodiment, each of the near infrared light source and visible light source is associated with respective first and second optical elements. The first and second optical elements are arranged such that the emission patterns of each optical element are substantially identical and overlapping to form a single color-corrected light emission pattern.
    • 一种用于夜视应用的照明系统,包括近红外光源,可见光源,分束器和光学元件。 分束器被配置为反射从近红外光源或可见光源发射的光,并且发射从近红外光源或可见光源中的另一个发射的光,以便产生色彩校正的光源。 光学元件设置在距色彩校正光源预定距离处。 光学元件包括用于接收来自颜色校正的光源的光的输入表面和用于以期望的发射图案发射接收的光的输出表面。 在一个实施例中,近红外光源和可见光源中的每一个与相应的第一和第二光学元件相关联。 第一和第二光学元件布置成使得每个光学元件的发射图案基本上相同并重叠以形成单个颜色校正的发光图案。
    • 10. 发明授权
    • Color-corrected laser illumination system for night vision applications
    • 用于夜视应用的彩色校正激光照明系统
    • US07121685B2
    • 2006-10-17
    • US10707425
    • 2003-12-12
    • Jeffrey T. RemillardWilles H. WeberKenneth E. NieteringMichael A. Marinelli
    • Jeffrey T. RemillardWilles H. WeberKenneth E. NieteringMichael A. Marinelli
    • G01J5/00
    • G02B23/12F21S41/13
    • A color-corrected lighting system for night vision applications includes a near infrared light source and a thin-sheet optical element disposed a distance from the near infrared source. The optical element includes an input surface for receiving light from the near infrared source and an output surface for emitting the received light in a desired emission pattern. The system also includes a visible, non-red light source in the form of a plate having a plurality of non-red LEDs arranged thereon. The plate is proximate a surface of the optical element such that the output surface of the optical element emits the visible light to mask the emitted near infrared light. A camera is adapted to receive the near infrared light from the near infrared light source reflected off an object within a camera field of view, and a display images objects detected within the camera field of view.
    • 用于夜视应用的彩色校正照明系统包括近红外光源和与近红外光源相距一定距离的薄片光学元件。 光学元件包括用于接收来自近红外源的光的输入表面和用于以期望的发射图案发射所接收的光的输出表面。 该系统还包括具有布置在其上的多个非红色LED的板形式的可见非红色光源。 板靠近光学元件的表面,使得光学元件的输出表面发射可见光以掩蔽发射的近红外光。 照相机适于从相机视场内的物体反射的近红外光源接收近红外光,以及在照相机视野内检测到的显示图像物体。