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    Optical measurement device and vehicle
    18.
    发明授权
    Optical measurement device and vehicle 有权
    光学测量装置和车辆

    公开(公告)号：US09568358B2

    公开(公告)日：2017-02-14

    申请号：US13956748

    申请日：2013-08-01

    申请人： Tadashi Nakamura ,  Shigeaki Imai

    发明人： Tadashi Nakamura ,  Shigeaki Imai

    IPC分类号： G01J1/04 ,  G01C3/08 ,  G01S17/93 ,  G01S7/481 ,  G01S17/42

    CPC分类号： G01J1/0422 ,  G01C3/08 ,  G01S7/4811 ,  G01S7/4815 ,  G01S7/4817 ,  G01S17/42 ,  G01S17/936

    摘要： Disclosed is an optical measurement device including a first light source, an optical element that condenses a light beam emitted from the first light source, a light irradiator that irradiates the light beam onto an object; and a photo detector that detects reflected light or scattered light of the light beam from the object through an imaging system, the light beam being irradiated onto the object, wherein a first optical path length from the first light source to a first conjugate image of the first light source by the optical element is different from a second optical path length from the photo detector to a second conjugate image of the photo detector by the imaging system at least in a first direction.

    摘要翻译： 公开了一种光学测量装置，包括第一光源，冷凝从第一光源发射的光束的光学元件，将光束照射到物体上的光照射器; 以及光检测器，其通过成像系统检测来自物体的光束的反射光或散射光，所述光束照射到所述物体上，其中，从所述第一光源到所述第一光源的第一共轭图像的第一光路长度 光学元件的第一光源不同于至少在第一方向上由成像系统从光电检测器到光电检测器的第二共轭图像的第二光程长度。

    OPTICAL SCANNER, OBJECT DETECTOR, AND SENSING APPARATUS
    19.
    发明申请
    OPTICAL SCANNER, OBJECT DETECTOR, AND SENSING APPARATUS 有权
    光学扫描仪，对象检测器和感应装置

    公开(公告)号：US20160061955A1

    公开(公告)日：2016-03-03

    申请号：US14813321

    申请日：2015-07-30

    申请人： Shigeaki Imai ,  Masataka Uehira ,  Kohji Sakai ,  Tadashi Nakamura ,  Yukio Itami

    发明人： Shigeaki Imai ,  Masataka Uehira ,  Kohji Sakai ,  Tadashi Nakamura ,  Yukio Itami

    IPC分类号： G01S17/93 ,  G01S17/06 ,  G01S17/58

    CPC分类号： G01S17/936 ,  G01S7/4817 ,  G01S7/484 ,  G01S17/10 ,  G01S17/42 ,  G01S17/58

    摘要： An optical scanner is provided including a light source configured to emit light, a light source driving device configured to drive the light source, a light deflector having at least one rotating reflection plane and configured to deflect the light emitted from the light source to a scanning area, and a light detector configured to output a signal to control a timing at which scanning of the scanning area by the light deflected by the light deflector starts, where the light detector and the scanning area are sequentially scanned in a single scanning by one reflection plane of the light deflector, and the light source driving device drives the light source using a first driving method when the light scans the light detector, and drives the light source using a second driving method that is different from the first driving method when the light scans the scanning area.

    摘要翻译： 提供了一种光学扫描器，包括配置成发光的光源，被配置为驱动光源的光源驱动装置，具有至少一个旋转反射平面并被配置为使从光源发射的光偏转到扫描的光偏转器 区域，以及光检测器，被配置为输出信号以控制由光偏转器偏转的光开始扫描区域的扫描的定时，其中光检测器和扫描区域在单次扫描中通过一次反射被顺序地扫描 并且当光扫描光检测器时，光源驱动装置使用第一驱动方法驱动光源，并且当光照不同于第一驱动方法时使用与第一驱动方法不同的第二驱动方法来驱动光源 扫描扫描区域。

    Optical scanning device and image forming apparatus
    20.
    发明授权
    Optical scanning device and image forming apparatus 有权
    光学扫描装置和图像形成装置

    公开(公告)号：US09229225B2

    公开(公告)日：2016-01-05

    申请号：US13790216

    申请日：2013-03-08

    申请人： Yukio Itami ,  Tadashi Nakamura

    发明人： Yukio Itami ,  Tadashi Nakamura

    IPC分类号： G02B26/12 ,  B41J2/44 ,  B41J2/47

    CPC分类号： G02B26/125 ,  B41J2/442 ,  B41J2/473 ,  G02B26/123 ,  G02B26/127

    摘要： An optical scanning device includes a plurality of scanning optical systems that focus light beams deflected by an optical deflector onto corresponding scanning surfaces. The systems include a first scanning optical system and a second scanning optical system. The first scanning optical system and the second scanning optical system are disposed respectively at each side of a plane including a rotation axis of a polygonal-mirror optical deflector. Each of the scanning optical systems includes a synchronous detection optical system that determines a timing to start scanning the scanning surfaces with the light beams. When a time from the end of an effective scanning area in the second scanning optical system to synchronous detection in the first scanning optical system is Ta, and a time from the end of an effective scanning area in the first scanning optical system to synchronous detection in the second scanning optical system is Tb, Ta>Tb.

    摘要翻译： 光学扫描装置包括多个扫描光学系统，其将由光学偏转器偏转的光束聚焦到相应的扫描表面上。 该系统包括第一扫描光学系统和第二扫描光学系统。 第一扫描光学系统和第二扫描光学系统分别设置在包括多棱镜光学偏转器的旋转轴的平面的每一侧。 每个扫描光学系统包括同步检测光学系统，其确定开始用光束扫描扫描表面的定时。 当从第二扫描光学系统中的有效扫描区域结束到第一扫描光学系统中的同步检测的时间是从第一扫描光学系统中的有效扫描区域的结束到第一扫描光学系统中的同步检测的时间 第二扫描光学系统是Tb，Ta> Tb。