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    • 36. 发明申请
    • VEHICLE DRIVING ASSISTANCE APPATARUS
    • 车辆驾驶辅助装置
    • US20160221493A1
    • 2016-08-04
    • US15013565
    • 2016-02-02
    • USHIO DENKI KABUSHIKI KAISHA
    • Masashi OkamotoHidekazu Hatanaka
    • B60Q1/26G08G1/0967
    • B60Q1/26B60Q1/50B60Q2400/50F21S41/135F21S41/14F21S41/16F21S41/20F21S41/675
    • A vehicle driving assistance apparatus includes a coherent light source, a road surface projection optical system, a road surface wet information retention section, and a control circuit. The road surface projection optical system scans a light source beam emitted from the coherent light source to output a projection beam, and thereby project the light pattern on the road surface around the own vehicle, the light source beam being light. The control circuit is configured to stop the output of the projection beam during a period in which the road surface wet information retention section retains information indicating that the road surface around the own vehicle is wet. The projection beam enters the road surface around the own vehicle at a shallow angle, and projects the light pattern toward a road surface near a boundary of a traveling lane where the own vehicle is traveling.
    • 车辆驾驶辅助装置包括相干光源,路面投影光学系统,路面湿信息保持部和控制电路。 路面投影光学系统扫描从相干光源发射的光源束输出投影光束,从而将光图案投影在本车辆周围的路面上,光源光束变亮。 控制电路被配置为在路面湿信息保持部保持表示本车辆周围的路面是湿的信息的期间停止投影光束的输出。 投影光束以浅的角度进入本车辆周围的路面,并且将光图案投射到本车辆行驶的行驶车道的边界附近的路面上。
    • 40. 发明申请
    • ILLUMINATION DEVICE FOR PRODUCING A POLARIZED LIGHT BEAM
    • 用于生产偏振光束的照明装置
    • US20090168394A1
    • 2009-07-02
    • US12295231
    • 2007-04-03
    • Rifat Ata Mustafa Hikmet
    • Rifat Ata Mustafa Hikmet
    • F21V9/14
    • G02B27/286F21S41/135F21V7/0025G02B5/3083
    • An illumination device for providing a polarized light beam comprising a light source (101) having a light emitting surface arranged to emit light (107) in a plane (X-Y), a first polarizing reflector (103) arranged to enclose a light emitting surface of said light source (101) in said plane, and adapted to receive said light, reflect light (109) of a first elliptical polarization in a target direction (Z) and transmit light (111) of an opposite, second elliptical polarization; and a second reflector (105) arranged to enclose said first polarizing reflector (103) in said plane (X-Y), and adapted to receive transmitted light (111) from the first polarizing reflector (103) and reflect elliptical polarized light (113) in the target direction (Z).By arranging the two reflectors enclosing a side-emitting light source, a higher efficiency can be obtained with a preserved beam shape.
    • 一种用于提供偏振光束的照明装置,包括具有布置成在平面(XY)中发光的发光表面的光源(101);第一偏振反射器(103),其被布置成包围发光表面的发光表面 所述平面中的所述光源(101)适于接收所述光,以目标方向(Z)反射第一椭圆极化的光(109)并透射相对的第二椭圆极化的光(111); 以及第二反射器(105),其布置成在所述平面(XY)中包围所述第一偏振反射器(103),并且适于从所述第一偏振反射器(103)接收透射光(111)并将椭圆偏振光(113)反射在 目标方向(Z)。 通过布置包围侧面发光光源的两个反射器,可以以保持的光束形状获得更高的效率。