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    • 1. 发明专利
    • Pedestrian recognition device and pedestrian recognition method
    • PEDESTRIAN识别装置和PEDESTRIAN识别方法
    • JP2008026997A
    • 2008-02-07
    • JP2006196124
    • 2006-07-18
    • Denso CorpMasafumi Hashimoto株式会社デンソー雅文 橋本
    • TAKAGI SEIWAHASHIMOTO MASAFUMI
    • G08G1/16
    • G06K9/00369G06K9/00805
    • PROBLEM TO BE SOLVED: To accurately recognize moving pedestrians.
      SOLUTION: The positions of reflecting objects are detected by a laser radar which scans the inside of a detection area in a predetermined detection cycle with irradiation laser beams, to determine coordinate positions in a two-dimensional coordinate system. At this time, whether the reflecting objects are stopped or moving is determined from the position change state of the reflecting objects in the two-dimensional coordinate system in a plurality of detection cycles. The reflecting objects adjacent on the two-dimensional coordinates among the reflecting determined to be moving are grouped. Since only the moving objects are grouped pedestrians can be accurately recognized from the size of an aggregate of the grouped reflecting objects.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:准确地识别移动行人。 解决方案:通过激光雷达检测反射物体的位置,该激光雷达利用照射激光在预定的检测周期内扫描检测区域的内部,以确定二维坐标系中的坐标位置。 此时,在多个检测周期中,从二维坐标系中的反射物体的位置变化状态确定反射物体是否停止或移动。 被确定为移动的反射中的二维坐标上相邻的反射物体被分组。 由于只有移动物体被分组,所以可以从分组的反射物体的聚集体的大小中准确地识别行人。 版权所有(C)2008,JPO&INPIT
    • 7. 发明授权
    • Method for manufacturing a gallium nitride group compound semiconductor
    • 氮化镓基化合物半导体的制造方法
    • US06830992B1
    • 2004-12-14
    • US09677781
    • 2000-10-02
    • Katsuhide ManabeAkira MabuchiHisaki KatoMichinari SassaNorikatsu KoideShiro YamazakiMasafumi HashimotoIsamu Akasaki
    • Katsuhide ManabeAkira MabuchiHisaki KatoMichinari SassaNorikatsu KoideShiro YamazakiMasafumi HashimotoIsamu Akasaki
    • H01L2120
    • H01L33/32H01L33/007H01L33/025
    • Disclosed herein are (1) a light-emitting semiconductor device that uses a gallium nitride compound semiconductor (AlxGa1−xN) in which the n-layer of n-type gallium nitride compound semiconductor (AlxGa1−xN) is of double-layer structure including an n-layer of low carrier concentration and an n+-layer of high carrier concentration, the former being adjacent to the i-layer of insulating gallium nitride compound semiconductor (AlxGa1−xN); (2) a light-emitting semiconductor device of similar structure as above in which the i-layer is of double-layer structure including an iL-layer of low impurity concentration containing p-type impurities in comparatively low concentration and an iH-layer of high impurity concentration containing p-type impurities in comparatively high concentration, the former being adjacent to the n-layer; (3) a light-emitting semiconductor device having both of the above-mentioned features and (4) a method of producing a layer of an n-type gallium nitride compound semiconductor (AlxGa1−xN) having a controlled conductivity from an organometallic compound by vapor phase epitaxy, by feeding a silicon-containing gas and other raw material gases together at a controlled mixing ratio.
    • 这里公开的是(1)使用其中n型氮化镓化合物半导体(Al x Ga 1-x N)的n层是双层结构的氮化镓化合物半导体(Al x Ga 1-x N)的发光半导体器件,包括 低载流子浓度的n层和高载流子浓度的n +层,前者与绝缘氮化镓化合物半导体(Al x Ga 1-x N)的i层相邻; (2)具有上述类似结构的发光半导体器件,其中i层是双层结构,其包括含有较低浓度的p型杂质的低杂质浓度的iL层和iH层 含有较高浓度的p型杂质的高杂质浓度,前者与n层相邻; (3)具有上述特征的发光半导体器件和(4)由有机金属化合物具有受控导电性的n型氮化镓系化合物半导体(Al x Ga 1-x N)的层的制造方法, 通过以受控的混合比将含硅气体和其它原料气体一起供给到气相外延。
    • 8. 发明授权
    • Light emitting device
    • 发光装置
    • US06472689B1
    • 2002-10-29
    • US09677787
    • 2000-10-02
    • Katsuhide ManabeAkira MabuchiHisaki KatoMichinari SassaNorikatsu KoideShiro YamazakiMasafumi HashimotoIsamu Akasaki
    • Katsuhide ManabeAkira MabuchiHisaki KatoMichinari SassaNorikatsu KoideShiro YamazakiMasafumi HashimotoIsamu Akasaki
    • H01L3300
    • H01L33/32H01L33/007H01L33/025
    • Disclosed herein are (1) a light-emitting semiconductor device that uses a gallium nitride compound semiconductor (AlxGa1−xN) in which the n-layer of n-type gallium nitride compound semiconductor (AlxGa1−xN) is of double-layer structure including an n-layer of low carrier concentration and an n+-layer of high carrier concentration, the former being adjacent to the i-layer of insulating gallium nitride compound semiconductor (AlxGa1−xN); (2) a light-emitting semiconductor device of similar structure as above in which the i-layer is of double-layer structure including an iL-layer of low impurity concentration containing p-type impurities in comparatively low concentration and an iH-layer of high impurity concentration containing p-type impurities in comparatively high concentration, the former being adjacent to the n-layer; (3) a light-emitting semiconductor device having both of the above-mentioned features and (4) a method of producing a layer of an n-type gallium nitride compound semiconductor (AlxGa1−xN) having a controlled conductivity from an organometallic compound by vapor phase epitaxy, by feeding a silicon-containing gas and other raw material gases together at a controlled mixing ratio.
    • 这里公开的是(1)使用其中n型氮化镓化合物半导体(Al x Ga 1-x N)的n层是双层结构的氮化镓化合物半导体(Al x Ga 1-x N)的发光半导体器件,包括 低载流子浓度的n层和高载流子浓度的n +层,前者与绝缘的氮化镓化合物半导体(Al x Ga 1-x N)的i层相邻; (2)具有上述类似结构的发光半导体器件,其中i层是双层结构,其包括含有较低浓度的p型杂质的低杂质浓度的iL层和iH层 含有较高浓度的p型杂质的高杂质浓度,前者与n层相邻; (3)具有上述特征的发光半导体器件和(4)由有机金属化合物具有受控导电性的n型氮化镓系化合物半导体(Al x Ga 1-x N)的层的制造方法, 通过以受控的混合比将含硅气体和其它原料气体一起供给到气相外延。