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    WIDE FIELD SCANNING LASER OBSTACLE AWARENESS SYSTEM
    1.
    发明申请
    WIDE FIELD SCANNING LASER OBSTACLE AWARENESS SYSTEM 审中-公开
    宽场扫描激光障碍识别系统

    公开(公告)号：WO2003021291A1

    公开(公告)日：2003-03-13

    申请号：PCT/US2002/022901

    申请日：2002-07-18

    Applicant: ROSEMOUNT AEROSPACE, INC.

    Inventor： JAMIESON, James, R. ,  RAY, Mark, D.

    IPC: G01S17/42

    CPC classification number: G01S17/026 ,  B64D45/08 ,  G01C23/00 ,  G01P5/26 ,  G01S7/481 ,  G01S7/4811 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/4817 ,  G01S7/483 ,  G01S7/499 ,  G01S7/51 ,  G01S17/42 ,  G01S17/58 ,  G01S17/87 ,  G01S17/88 ,  G01S17/933 ,  G02B26/101

    Abstract: A wide field scanning laser obstacle awareness system (LOAS) comprises: a plurality of first optical elements configured to directa portion of a pulsed laser beam generated by a light source to a light detector, and to direct the pulsed laser beam to a beam expander wherein the pulsed laser beam is expanded; and at least one rotationally operated second optical element for directing the expanded pulsed laser beam from the system with a predetermined pattern scanned azimuthally over a wide field, the at least one rotationally operated second optical element also for receiving reflections of the pulsed laser beam from at least one object along the predetermined pattern and directing them to the laser beam expander wherein the laser beam reflections are focused: the plurality of first optical elements also configured to direct the focusedlaser beam reflections to the light detector for use in determining the location of the at least one object.

    Abstract translation: 宽场扫描激光障碍物识别系统（LOAS）包括：多个第一光学元件，其被配置为将由光源产生的脉冲激光束的一部分引导到光检测器，并将脉冲激光束引导到光束扩展器，其中 脉冲激光束扩大; 以及至少一个旋转操作的第二光学元件，用于以宽广的场方位扫描的预定图案将来自系统的扩展的脉冲激光束引导，所述至少一个旋转操作的第二光学元件还用于接收脉冲激光束从 沿着预定图案的至少一个物体并且将它们引导到激光束扩展器，其中激光束反射被聚焦：多个第一光学元件还被配置为将聚焦激光束反射引导到光检测器，以用于确定at 至少一个对象。

    SYSTEM AND METHOD OF MEASURING FLOW VELOCITY IN THREE AXES
    2.
    发明申请
    SYSTEM AND METHOD OF MEASURING FLOW VELOCITY IN THREE AXES 审中-公开

    公开(公告)号：WO2003021285A3

    公开(公告)日：2003-03-13

    申请号：PCT/US2002/022894

    申请日：2002-07-18

    Applicant: ROSEMOUNT AEROSPACE, INC.

    Inventor： JAMIESON, James, R. ,  RAY, Mark, D. ,  MENEELY, Clinton, T.

    IPC: G01S17/93

    Abstract: A LIDAR system for measuring flow velocity in three axes comprises: a LIDAR arrangement of optical elements for generating a coherent beam of light and directing the coherent beam of light by at least one rotationally operated optical element from the system with a predetermined pattern, the at least one rotationally operated optical element also for receiving reflections from particles along the predetermined pattern and directing the beam reflections to a light detector which converts the beam reflections into representative electrical signals; and a processor for detecting bursts from the electrical signals which are representative of light beam reflections from at least one particle substantially at a corresponding position along the predetermined pattern, and for computing a Doppler frequency for each of a selected plurality of detected bursts from the signal content thereof. The processor also capable of associating the selected plurality of detected bursts with their corresponding positions along the predetermined pattern and for computing a three axis flow velocity measurement from at least three of the selected plurality of computed Doppler frequencies and their corresponding positions along the predetermined pattern. A method of measuring flow velocity in three axes is further disclosed.

    RAILWAY OBSTACLE DETECTION SYSTEM AND METHOD
    3.
    发明申请
    RAILWAY OBSTACLE DETECTION SYSTEM AND METHOD 审中-公开
    铁路障碍物检测系统及方法

    公开(公告)号：WO2004026660A1

    公开(公告)日：2004-04-01

    申请号：PCT/US2003/021501

    申请日：2003-07-10

    Applicant: ROSEMOUNT AEROSPACE INC.

    Inventor： JAMIESON, James, R. ,  RAY, Mark, D.

    IPC: B61L23/04

    CPC classification number: B61L23/041 ,  B61L23/34 ,  B61L2205/04

    Abstract: A scanning laser beam railway obstacle detection system disposable on-board a railway vehicle transportable over railway tracks comprises: a laser scanning module optically coupled to a laser source for scanning a laser beam over the tracks ahead of the vehicle with a predetermined pattern; a light detector for receiving light echoes from the scanned laser beam and for converting the light echoes into electrical signals representative thereof; and a processor for processing the electrical signals from the light detector to detect an obstacle ahead of the vehicle. A method of detecting a threat to a railway vehicle transportable over railway tracks comprises the steps of: generating a laser beam; scanning the laser beam over the tracks ahead of the vehicle with a predetermined pattern; receiving light echoes from the scanned laser beam and converting the light echoes into electrical signals representative thereof; determining positions of the light echo signals along the scan pattern; and processing the light echo signals and corresponding positions to produce an image of a scene ahead of the vehicle for use in detecting a threat to the vehicle.

    Abstract translation: 扫描式激光束轨道障碍物检测系统，一次性在铁路上行驶的轨道车辆包括：激光扫描模块，其光学耦合到激光源，用于以预定图案在车辆前方的轨道上扫描激光束; 光检测器，用于从扫描的激光束接收光回波并将光回波转换成代表其的电信号; 以及处理器，用于处理来自光检测器的电信号，以检测车辆前方的障碍物。 一种检测对在铁路轨道上运输的铁路车辆的威胁的方法包括以下步骤：产生激光束; 以预定图案将激光束扫描在车辆前面的轨道上; 从扫描的激光束接收光回波并将光回波转换成代表其的电信号; 确定沿着扫描图案的光回波信号的位置; 以及处理所述光回波信号和对应位置以产生车辆前方的场景的图像，以用于检测对所述车辆的威胁。

    COMBINED LOAS AND LIDAR SYSTEM
    4.
    发明申请
    COMBINED LOAS AND LIDAR SYSTEM 审中-公开
    组合乐器和激光雷达系统

    公开(公告)号：WO2003021290A2

    公开(公告)日：2003-03-13

    申请号：PCT/US2002/022900

    申请日：2002-07-18

    Applicant: ROSEMOUNT AEROSPACE, INC.

    Inventor： JAMIESON, James, R. ,  RAY, Mark, D. ,  MENEELY, Clinton, T.

    IPC: G01S17/00

    CPC classification number: G01S17/58 ,  B64D45/08 ,  G01C23/005 ,  G01P5/26 ,  G01S7/4802 ,  G01S7/481 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/4817 ,  G01S7/483 ,  G01S17/42 ,  G01S17/87 ,  G01S17/88 ,  G01S17/933

    Abstract: A combined system of a LOAS and a LIDAR system comprises: a LIDAR arrangement of optical elements for generating a first coherent beam of light at a first predetermined wavelength; a LOAS arrangement of optical elements for generating a second coherent beam of light at a second predetermined wavelength; a dichroic filter optical element for directing the first and second coherent beams of light substantially on a first common optical path towards an aperture of a beam expander; at least one output optical element which directs both of the expanded first and second coherent beams of light from the system, the at least one output optical element also for receiving and directing reflections of the first and second coherent beams of light to the beam expander wherein the beam reflections are collected; and wherein the dichroic filter optical element separates and directs the collected light corresponding to the first coherent beam back to the LIDAR arrangement of optical elements for use in determining flow velocity, and separates and directs the collected light corresponding to the second coherent beam back to the LOAS arrangement of optical elements for use in detecting at least one object.

    Abstract translation: LOAS和LIDAR系统的组合系统包括：用于产生第一预定波长的第一相干光束的光学元件的激光雷达装置; 用于产生第二预定波长的第二相干光束的光学元件的LOAS装置; 二向色滤光器光学元件，用于基本上在第一公共光路上将第一和第二相干光束导向光束扩展器的孔; 至少一个输出光学元件，其引导来自所述系统的扩展的第一和第二相干光束两者，所述至少一个输出光学元件还用于接收和引导所述第一和第二相干光束到所述扩束器的反射，其中 收集光束反射; 并且其中所述二向色滤光器光学元件将对应于所述第一相干光束的所述收集光分离并引导回到所述光学元件的所述LIDAR布置以用于确定流速，并且将对应于所述第二相干光束的所述收集光分离并引导回 用于检测至少一个物体的光学元件的LOAS排列。

    LASER PERIMETER AWARENESS SYSTEM
    5.
    发明申请
    LASER PERIMETER AWARENESS SYSTEM 审中-公开
    激光周密意识系统

    公开(公告)号：WO2004104633A2

    公开(公告)日：2004-12-02

    申请号：PCT/US2004/014223

    申请日：2004-05-07

    Applicant: ROSEMOUNT AEROSPACE INC. ,  RAY, Mark, D. ,  JAMIESON, James, R.

    Inventor： RAY, Mark, D. ,  JAMIESON, James, R.

    IPC: G01S17/42

    CPC classification number: G01S17/89 ,  G01S7/4802 ,  G01S7/4811 ,  G01S7/4818 ,  G01S13/78 ,  G01S13/86 ,  G01S17/023 ,  G01S17/42 ,  G01S17/58 ,  G01S17/66 ,  G01S17/74

    Abstract: A method of laser scanning a perimeter zone of a target site for the detection of potential threats comprises: scanning a pulsed laser beam across the perimeter zone; receiving echoes from the pulsed laser beam and forming for a plurality of perimeter zone scans to form scene images. In addition, a method of authenticating a potential threat detected in a perimeter zone of a target site comprises: detecting the potential threat, interrogating the potential threat by a wireless transmission; declaring the potential threat unauthorized if no response is transmitted within a predetermined time interval or if the received response is determined not to comprise the proper access code.

    Abstract translation: 用于检测潜在威胁的激光扫描目标部位的周边区域的方法包括：扫描穿过周边区域的脉冲激光束; 从脉冲激光束接收回波并形成多个周边区域扫描以形成场景图像。 另外，鉴定在目标站点的周边区域中检测到的潜在威胁的方法包括：通过无线传输来检测潜在的威胁，询问潜在的威胁; 如果在预定时间间隔内没有发送响应，或者如果接收到的响应被确定为不包括适当的访问代码，则宣告未授权的潜在威胁。

    SYSTEM AND METHOD OF MEASURING FLOW VELOCITY IN THREE AXES
    6.
    发明申请
    SYSTEM AND METHOD OF MEASURING FLOW VELOCITY IN THREE AXES 审中-公开
    测量三轴流速的系统和方法

    公开(公告)号：WO2003021285A2

    公开(公告)日：2003-03-13

    申请号：PCT/US2002/022894

    申请日：2002-07-18

    Applicant: ROSEMOUNT AEROSPACE, INC.

    Inventor： JAMIESON, James, R. ,  RAY, Mark, D. ,  MENEELY, Clinton, T.

    IPC: G01S

    CPC classification number: G01S7/4817 ,  G01S7/4812 ,  G01S7/4813 ,  G01S7/483 ,  G01S17/42 ,  G01S17/58 ,  G01S17/87 ,  G01S17/88 ,  G01S17/933

    Abstract: A LIDAR system for measuring flow velocity in three axes comprises: a LIDAR arrangement of optical elements for generating a coherent beam of light and directing the coherent beam of light by at least one rotationally operated optical element from the system with a predetermined pattern, the at least one rotationally operated optical element also for receiving reflections from particles along the predetermined pattern and directing the beam reflections to a light detector which converts the beam reflections into representative electrical signals; and a processor for detecting bursts from the electrical signals which are representative of light beam reflections from at least one particle substantially at a corresponding position along the predetermined pattern, and for computing a Doppler frequency for each of a selected plurality of detected bursts from the signal content thereof. The processor also capable of associating the selected plurality of detected bursts with their corresponding positions along the predetermined pattern and for computing a three axis flow velocity measurement from at least three of the selected plurality of computed Doppler frequencies and their corresponding positions along the predetermined pattern. A method of measuring flow velocity in three axes is further disclosed.

    Abstract translation: 用于测量三个轴上的流速的激光雷达系统包括：光学元件的激光雷达装置，用于产生相干光束并通过至少一个旋转操作的光学元件将相干光束从 所述至少一个旋转操作的光学元件还用于接收沿着所述预定图案的来自微粒的反射，并将所述光束反射引导至光束检测器，所述光检测器将所述光束反射转换为代表性电信号; 以及处理器，用于从电信号中检测代表来自基本上在沿着预定模式的相应位置处的至少一个粒子的光束反射的突发，并且用于从信号中计算针对所选多个检测突发中的每一个的多普勒频率 其内容。 处理器还能够将选定的多个检测到的脉冲串与它们沿着预定模式的相应位置相关联，并且用于从所选择的多个计算出的多普勒频率中的至少三个以及沿着预定模式的它们的相应位置计算三轴流速测量。 进一步公开了一种测量三轴流速的方法。

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