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    • 1. 发明授权
    • Windshield wiper control device
    • 挡风玻璃刮水器控制装置
    • US4476419A
    • 1984-10-09
    • US499405
    • 1983-05-31
    • Yoshiaki FukatsuTakashi KurahashiKazuma MatsuiHiroki Ito
    • Yoshiaki FukatsuTakashi KurahashiKazuma MatsuiHiroki Ito
    • B60S1/08H02P1/04H02P7/00
    • B60S1/0837B60S1/0822Y10S15/15Y10S318/02
    • A windshield wiper control device for use on a vehicle includes a light-emitting unit mounted on the vehicle outside of a compartment for emitting a ray of infrared radiation, a photodetector unit mounted on the vehicle within the compartment and having a slit plate for producing an image of a striped pattern with bright and dark areas in response to exposure to the ray of electromagnetic radiation through the windshield and an array of photodetectors for sensing the bright and dark areas of the striped image and generating signals indicative of the bright and dark areas, and an arithmetic circuit arrangement for computing a contrast of the bright and dark areas based on the signals from the photodetectors and controlling the speed and/or period of operation of the windshield wiper based on the computed contrast.
    • 一种用于车辆的挡风玻璃刮水器控制装置包括:安装在车辆外侧的用于发射红外线辐射的发光单元;安装在车厢内的光电检测器单元,具有用于产生 响应于暴露于通过挡风玻璃的电磁辐射的射线而形成具有亮和暗区域的条纹图案的图像和用于感测条纹图像的明暗区域并产生指示明暗区域的信号的光电检测器阵列, 以及算术电路装置,用于基于来自光电检测器的信号计算亮区和对比区域的对比度,并且基于所计算的对比度来控制挡风玻璃刮水器的速度和/或操作周期。
    • 2. 发明授权
    • Windshield wiper control apparatus
    • 挡风玻璃刮水器控制装置
    • US4595866A
    • 1986-06-17
    • US665157
    • 1984-10-26
    • Yoshiaki FukatsuTakashi KurahashiKazuma Matsui
    • Yoshiaki FukatsuTakashi KurahashiKazuma Matsui
    • B60S1/48B60S1/08H02P1/04
    • B60S1/485Y10S15/15Y10S318/02
    • An automotive wiper control apparatus has an infrared emitting unit outside an occupant compartment, a photodetector unit inside the compartment in optical alignment with the infrared emitting unit, and an electric control for automatically controlling the wiper operation in dependence on the state in which infrared rays emitted by the infrared emitting unit through a predetermined area of the windshield are received by the photodetector unit. The photodetector unit has an infrared transmission plate formed of an infrared transmissive material and carrying infrared shielding layers applied in a striped pattern to one surface of the plate. The infrared transmission plate is disposed in front of a plurality of photodetectors so that a contrast is produced on the photodetectors by the infrared rays passing through the uncoated zones of the plate which are free from the infrared shielding layers. The contrast is varied with variation in the quantity of raindrops on the predetermined area of the windshield. The electrical control is responsive to the variation in the contrast to automatically control speed of wiper operation as well as intervals of intermittent wiper operations.
    • 汽车用刮水器控制装置在乘员室外具有红外线发射单元,与红外线发射单元对准的隔室内的光电检测器单元,以及根据发射红外线的状态自动控制刮水器操作的电控制 通过红外发射单元通过挡风玻璃的预定区域被光电检测器单元接收。 光电检测器单元具有由红外透射材料形成的红外透射板,并且将以条纹图案施加的红外屏蔽层携带到板的一个表面。 红外线传输板设置在多个光电检测器的前面,使得通过穿过板的未涂覆区域的红外线在光电检测器上产生对比度,该红外线没有红外屏蔽层。 对比度随着挡风玻璃的预定区域上的雨滴的量的变化而变化。 电气控制响应于对比度的变化,以自动控制刮水器操作的速度以及间歇刮水器操作的间隔。