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    • 1. 发明专利
    • Signal
    • 信号
    • JP2006142850A
    • 2006-06-08
    • JP2004331553
    • 2004-11-16
    • East Japan Railway CoSankosha:Kk東日本旅客鉄道株式会社株式会社三工社
    • CHIGA HIDEKIYAMAMOTO YOSHINOBU
    • B61L23/08G08G1/095
    • B61L5/1845B61L5/1827B61L2207/02
    • PROBLEM TO BE SOLVED: To eliminate a phenomenon in which a signal is indicated on a lane other than a target lane. SOLUTION: The signal has a combination of a light-emitting unit U and a blinker 5. The light-emitting unit U has a large number of LEDs 2 attached on a substrate 3 of a case 1 and the blinker 5 has a constant plate thickness and an opened small hole 6 set to a opening diameter for cutting diffusion light in a direction other than the front direction of the LED 2. The diffusion light emitted from each LED attached to the light-emitting unit of the signal is cut by the blinker 5. A risk that the diffusion light is erroneously recognized so that the indication of the signal is performed relative to the lane other than a specific lane is avoided. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:消除在目标车道以外的车道上指示信号的现象。 该信号具有发光单元U和闪烁灯5的组合。发光单元U具有安装在壳体1的基板3上的大量LED2,并且闪光灯5具有 固定板厚度和设置为用于沿除LED 2的正面方向以外的方向切割扩散光的开口直径的开口小孔6.从附接到信号的发光单元的每个LED发射的漫射光被切割 避免了错误地识别扩散光的风险,使得相对于特定通道以外的通道执行信号的指示。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Led traffic signal lighting tool
    • LED交通信号照明工具
    • JP2003030786A
    • 2003-01-31
    • JP2001219630
    • 2001-07-19
    • Stanley Electric Co Ltdスタンレー電気株式会社
    • ITO HIROYUKI
    • G02B3/08B61L5/18F21S2/00F21S8/10F21W111/02F21Y101/02G08G1/095
    • B61L5/1845B61L2207/02
    • PROBLEM TO BE SOLVED: To solve problems of increase of power consumption and costs since many LED lamps are required because the light of the LED lamp is poorly collected since a single focus inner lens is adopted to the conventional type LED traffic signal lighting tool.
      SOLUTION: The problems are solved by constituting the LED traffic signal lighting tool so that homogeneous brightness is obtained on an outer lens surface and further light distribution characteristics to satisfy regulations is obtained by a smaller number of LED lamps in the front direction by constituting the LED traffic signal lighting tool 1 in which the focal distance f3 of the inner lens 3 in the outer circumference is made equal to the distance between the outer circumference and a point where the extension of a line connecting the outer circumference of the lens and the LED lamp provided on the outer end of a light source board crosses the center line Z and the focal distance 1 is made equal to the distance to the LED lamp 5 at the center of an outer lens and the focal distance changes between both focal distances at the intermediate position.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:为了解决由于由于将单焦点内透镜用于常规型LED交通信号灯照明工具而导致的LED灯的光收集不良,因此需要许多LED灯,因此需要增加功耗和成本的问题。 解决方案:通过构成LED交通信号照明工具来解决问题,使得在外透镜表面上获得均匀的亮度,并且通过构成LED的方式通过较少数量的LED灯获得满足规定的进一步的光分布特性 交通信号灯照明工具1,其中外透镜3的内透镜3的焦距f3等于外周与连接透镜外周与LED灯之间的线的延伸点之间的距离 设置在光源板的外端上与中心线Z交叉,使焦距1等于在外透镜的中心处的LED灯5的距离,并且焦距在中间的两个焦距之间变化 位置。