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    ELECTRON BEAM GENERATING APPARATUS
    1.
    发明申请
    ELECTRON BEAM GENERATING APPARATUS 有权
    电子束发生装置

    公开(公告)号：US20120133281A1

    公开(公告)日：2012-05-31

    申请号：US13122109

    申请日：2010-08-10

    申请人： Yong Woon Park ,  Sung Ju Park ,  In Soo Ko ,  Chang Bum Kim ,  Ju Ho Hong ,  Sung Ik Moon

    发明人： Yong Woon Park ,  Sung Ju Park ,  In Soo Ko ,  Chang Bum Kim ,  Ju Ho Hong ,  Sung Ik Moon

    IPC分类号： H01J29/80

    CPC分类号： H01J3/02

    摘要： An apparatus for generating an electron beam is disclosed to reduce emittance of an electron beam. The apparatus includes: a housing including a rear portion where an electron beam is generated, a front portion having an electron beam discharge hole for discharging the electron beam to the exterior, and a side portion connecting the rear portion and the front portion, the side portion having a first hole and an opposite side portion, facing the first hole, having a second hole in order to reduce asymmetry of an electric field caused by the first hole; and a waveguide installed on the side portion to supply an electromagnetic wave to the interior of the housing through the first hole, wherein the electron beam is generated by laser incident to the interior of the housing and accelerated by the electromagnetic wave supplied to the interior of the housing.

    摘要翻译： 公开了一种用于产生电子束的装置，以减少电子束的发射。 该装置包括：壳体，其包括产生电子束的后部，具有用于将电子束排出到外部的电子束排出孔的前部和连接后部和前部的侧部， 具有第一孔和与第一孔相对的相对侧部的部分具有第二孔，以减少由第一孔引起的电场的不对称性; 以及安装在所述侧部上的波导，以通过所述第一孔向所述壳体的内部提供电磁波，其中所述电子束通过入射到所述壳体的内部的激光产生并且被提供给所述壳体内部的电磁波加速 住房。

    Electron beam generating apparatus
    2.
    发明授权
    Electron beam generating apparatus 有权
    电子束发生装置

    公开(公告)号：US08736169B2

    公开(公告)日：2014-05-27

    申请号：US13122109

    申请日：2010-08-10

    申请人： Yong Woon Park ,  Sung Ju Park ,  In Soo Ko ,  Chang Bum Kim ,  Ju Ho Hong ,  Sung Ik Moon

    发明人： Yong Woon Park ,  Sung Ju Park ,  In Soo Ko ,  Chang Bum Kim ,  Ju Ho Hong ,  Sung Ik Moon

    IPC分类号： H01J29/80

    CPC分类号： H01J3/02

    摘要： An apparatus for generating an electron beam is disclosed to reduce emittance of an electron beam. The apparatus includes: a housing including a rear portion where an electron beam is generated, a front portion having an electron beam discharge hole for discharging the electron beam to the exterior, and a side portion connecting the rear portion and the front portion, the side portion having a first hole and an opposite side portion, facing the first hole, having a second hole in order to reduce asymmetry of an electric field caused by the first hole; and a waveguide installed on the side portion to supply an electromagnetic wave to the interior of the housing through the first hole, wherein the electron beam is generated by laser incident to the interior of the housing and accelerated by the electromagnetic wave supplied to the interior of the housing.

    摘要翻译： 公开了一种用于产生电子束的装置，以减少电子束的发射。 该装置包括：壳体，其包括产生电子束的后部，具有用于将电子束排出到外部的电子束排出孔的前部和连接后部和前部的侧部， 具有第一孔和与第一孔相对的相对侧部的部分具有第二孔，以减少由第一孔引起的电场的不对称性; 以及安装在所述侧部上的波导，以通过所述第一孔向所述壳体的内部提供电磁波，其中所述电子束通过入射到所述壳体的内部的激光产生并且被提供给所述壳体内部的电磁波加速 住房。

    Apparatus and method for generating femtosecond electron beam
    4.
    发明授权
    Apparatus and method for generating femtosecond electron beam 有权
    用于产生飞秒电子束的装置和方法

    公开(公告)号：US08278813B2

    公开(公告)日：2012-10-02

    申请号：US12481995

    申请日：2009-06-10

    申请人： Yong Woon Park ,  Hyotcherl Ihee ,  Chang Bum Kim ,  In Soo Ko

    发明人： Yong Woon Park ,  Hyotcherl Ihee ,  Chang Bum Kim ,  In Soo Ko

    IPC分类号： H01J29/46

    CPC分类号： H01J37/045 ,  H01J3/18 ,  H01J37/063 ,  H01J37/073 ,  H01J37/295 ,  H01J2237/0432 ,  H01J2237/06333

    摘要： An apparatus and method for generating femtosecond electron beam are disclosed. The apparatus for generating electron beam by discharging an electron generated via a cathode to an anode includes a transmission window provided at one side of the cathode to allow incident laser to pass therethrough, a pinhole formed on the anode such that the pinhole corresponds to the position of the electron generated from the transmission window, and a focusing unit provided at one side of the cathode and generating an electric field to accelerate and at the same time concentrate the electron to the pinhole. Electrons are simultaneously concentrated and accelerated to the pinhole by an electric field generated by the focusing unit positioned at the cathode to generate femtosecond electron beam.

    摘要翻译： 公开了一种用于产生飞秒电子束的装置和方法。 通过将通过阴极发射的电子放电到阳极来产生电子束的装置包括设置在阴极的一侧以允许入射激光通过的透射窗口，形成在阳极上的针孔，使得针孔对应于位置 的发射窗产生的电子，以及设置在阴极一侧的聚焦单元，产生电场以加速并同时将电子集中到针孔。 通过由位于阴极处的聚焦单元产生的电场，电子同时集中并加速到针孔，以产生飞秒电子束。

    Steering control device of autonomous vehicle, autonomous vehicle having the same and steering control method of autonomous vehicle
    6.
    发明授权
    Steering control device of autonomous vehicle, autonomous vehicle having the same and steering control method of autonomous vehicle 有权
    自主车辆转向控制装置，自主车辆与自主车辆转向控制方法相同

    公开(公告)号：US08983708B2

    公开(公告)日：2015-03-17

    申请号：US13320352

    申请日：2010-09-28

    申请人： Tok Son Choe ,  Yong Woon Park ,  Jeong Sook Chae

    发明人： Tok Son Choe ,  Yong Woon Park ,  Jeong Sook Chae

    IPC分类号： G05D1/02 ,  B62D1/28 ,  B62D6/00

    CPC分类号： B62D1/283 ,  B62D6/002 ,  G05D1/021 ,  G05D2201/0209

    摘要： Disclosed are a steering control device of an autonomous vehicle, an autonomous vehicle having the same, and a steering control method of an autonomous vehicle. The steering control method comprises receiving a position of an autonomous vehicle, and a first heading angle of the autonomous vehicle with respect to the north; calculating a second heading angle of the autonomous vehicle toward a tracking waypoint based on the position of the autonomous vehicle, and computing a rotation radius of the autonomous vehicle with respect to the tracking waypoint; calculating a yaw rate based on a speed of the autonomous vehicle and the computed rotation radius, and generating a steering command corresponding to the calculated yaw rate; and compensating for the steering command based on the first and second heading angles.

    摘要翻译： 公开了一种自主车辆的转向控制装置，具有该自主车辆的自主车辆以及自主车辆的转向控制方法。 所述转向控制方法包括接收自主车辆的位置和所述自主车辆相对于所述北部的第一行驶角度; 基于所述自主车辆的位置计算所述自主车辆朝向跟踪航点的第二航向角度，以及相对于所述跟踪航点计算所述自主车辆的旋转半径; 基于所述自主车辆的速度和所计算的旋转半径计算偏航率，并且生成与所计算的横摆率相对应的转向命令; 并且基于第一和第二方向角来补偿转向命令。

    APPARATUS AND THE METHOD FOR DISTINGUISHING GROUND AND OBSTACLES FOR AUTONOMOUS MOBILE VEHICLE
    8.
    发明申请
    APPARATUS AND THE METHOD FOR DISTINGUISHING GROUND AND OBSTACLES FOR AUTONOMOUS MOBILE VEHICLE 有权
    用于自动移动车辆识别地面和障碍的装置和方法

    公开(公告)号：US20110309967A1

    公开(公告)日：2011-12-22

    申请号：US13254099

    申请日：2010-03-03

    申请人： Tok Son Choe ,  Jeong Sook Chae ,  Yong Woon Park ,  Jun Kim

    发明人： Tok Son Choe ,  Jeong Sook Chae ,  Yong Woon Park ,  Jun Kim

    IPC分类号： G01S13/93

    CPC分类号： G05D1/024 ,  G01S17/87 ,  G01S17/875 ,  G01S17/936 ,  G05D2201/0209

    摘要： Disclosed is apparatus for distinguishing between ground and an obstacle for autonomous mobile vehicle, comprising an upper 2D laser radar 1, a lower 2D laser radar 2, and a processing unit 10, the processing unit 10 comprising a distance data receiving part 11, an inclination calculating part 12, a ground and obstacle determining part 13, and a transmitting part. Also disclosed is a method for distinguishing between ground and an obstacle for autonomous mobile vehicle by using the apparatus for distinguishing between ground and an obstacle for autonomous mobile vehicle of claim 1, in which the detected object is determined as an obstacle when the actual inclination (g) of the detected object is larger than the reference inclination, and as ground when the actual inclination (g) of the detected object is smaller than the reference inclination.

    摘要翻译： 公开了用于区分自主移动车辆的地面和障碍物的装置，包括上2D激光雷达1，下2D激光雷达2和处理单元10，处理单元10包括距离数据接收部分11，倾斜度 计算部分12，地面和障碍物确定部分13以及发射部分。 还公开了一种通过使用权利要求1所述的用于区分自动移动车辆的地面和障碍物的装置来区分自主移动车辆的地面和障碍物的方法，其中，当实际倾斜度 检测对象的实际倾斜度（g）小于参考倾斜度，并且当检测到的物体的实际倾斜度（g）小于参考倾斜度时，作为接地。

    Switched current memory cell
    9.
    发明授权
    Switched current memory cell 有权
    开关电流存储单元

    公开(公告)号：US07894225B2

    公开(公告)日：2011-02-22

    申请号：US12402639

    申请日：2009-03-12

    申请人： Yong Woon Park

    发明人： Yong Woon Park

    IPC分类号： G11C27/00

    CPC分类号： G11C27/028

    摘要： A switched current memory cell includes a current source 100 having one end connected to an operation power source (Vdd) stage, a current memory circuit unit 200 that stores an input current; which is inputted in a sampling mode of the current from the current source 100, during a hold mode, maintains the current value stored in the hold mode, and outputs the stored current in an output mode, an input switch SW10 that is turned on in the sampling mode to transfer an input current to the current memory circuit unit 200, and turned off in the hold mode, an output switch SW20 that is turned on in the output mode to output current from the current memory circuit unit 200, and a current cut circuit unit 300 that connects a current path between the operation power source Vdd stage and the current source 100 in the input mode and output mode, and separates the current path between the operation power source Vdd stage and the current source 100 in the hold mode.

    摘要翻译： 开关电流存储单元包括具有连接到操作电源（Vdd）级的一端的电流源100，存储输入电流的当前存储器电路单元200; 在保持模式期间，以来自电流源100的电流的采样模式输入，保持存储在保持模式中的电流值，并以输出模式输出存储的电流，将导通的输入开关SW10 用于将输入电流传送到当前存储器电路单元200并在保持模式下关闭的采样模式，在输出模式下导通的输出开关SW20以从当前存储器电路单元200输出电流，以及电流 切断电路单元300，其以输入模式和输出模式连接操作电源Vdd级和电流源100之间的电流路径，并将保持模式中的操作电源Vdd级和电流源100之间的电流路径分离 。

    Device, system and method for calibration of camera and laser sensor
    10.
    发明授权
    Device, system and method for calibration of camera and laser sensor 有权
    用于相机和激光传感器校准的装置，系统和方法

    公开(公告)号：US09470548B2

    公开(公告)日：2016-10-18

    申请号：US13949622

    申请日：2013-07-24

    申请人： Seong Yong Ahn ,  Tok Son Choe ,  Yong Woon Park ,  Won Seok Lee

    发明人： Seong Yong Ahn ,  Tok Son Choe ,  Yong Woon Park ,  Won Seok Lee

    IPC分类号： G01C23/00 ,  G01S7/497 ,  G01S17/08 ,  G01S17/87

    CPC分类号： G01C23/00 ,  G01S7/497 ,  G01S17/08 ,  G01S17/87

    摘要： Disclosed are a calibration device, a calibration system and a calibration method. The calibration device includes a camera configured to capture image information, a laser sensor configured to capture image information, a laser sensor configured to detect distance information, and a calibration module configured to perform a calibration of the camera and the laser sensor by obtaining a relation between the image information and the distance information, wherein the calibration module includes a plane member disposed to intersect a scanning surface of the laser sensor such that an intersection line is generated, and disposed within a capturing range by the camera so as to be captured by the camera, and a controller configured to perform coordinate conversions with respect to the image information and the distance information based on a ratio between one side of the plane member and the intersection line, and based on a plane member image included in the image information. Under these configurations, a calibration is performed through direct coordinate conversions with respect to image information and distance information.

    摘要翻译： 公开了一种校准装置，校准系统和校准方法。 该校准装置包括被配置为捕获图像信息的相机，被配置为捕获图像信息的激光传感器，被配置为检测距离信息的激光传感器，以及被配置为通过获得关系来执行相机和激光传感器的校准的校准模块 在所述图像信息和所述距离信息之间，其中所述校准模块包括布置成与所述激光传感器的扫描表面相交的平面构件，使得生成交叉线，并且通过所述相机设置在捕获范围内，以被所述摄像机捕获 相机和配置为基于平面构件的一侧与交叉线之间的比率，并且基于包括在图像信息中的平面构件图像来执行关于图像信息和距离信息的坐标转换的控制器。 在这些配置下，通过对图像信息和距离信息的直接坐标转换执行校准。