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    • 2. 发明授权
    • Method for controlling ignition energy in an internal combustion engine
    • 用于控制内燃机中的点火能量的方法
    • US4303977A
    • 1981-12-01
    • US84081
    • 1979-10-12
    • Mamoru KobashiToshihisa Ogawa
    • Mamoru KobashiToshihisa Ogawa
    • F02P3/045F02P3/055F02P9/00G06F15/20
    • F02P3/0456F02P3/0554
    • A time period during which current is conducted through a primary winding of an ignition coil of an internal combustion engine is calculated in response to signals corresponding to an actual rotational speed of the engine and the magnitude of a power supply voltage which is applied to the primary winding, respectively. A time for initiating the primary winding current is controlled in accordance with the calculated time period. Such current is conducted for a maximum period of time, which is determined in response to the magnitude of the power supply voltage, so as to avoid excessive heat build-up in the ignition coil. The rotational speed of the engine is determined by counting clock signals during time intervals which correspond to predetermined angular segments of rotation.
    • 响应于与发动机的实际转速对应的信号和施加到发动机的电源电压的大小来计算电流通过内燃机的点火线圈的初级绕组传导的时间段 绕组。 根据计算出的时间段来控制初始绕组电流的启动时间。 这样的电流进行最大时间,其是响应于电源电压的大小而确定的,以避免在点火线圈中产生过多的热量。 通过在对应于预定的旋转角度的时间间隔期间计数时钟信号来确定发动机的转速。
    • 7. 发明授权
    • Optical unit and LCD device using the optical unit
    • 光学单元和使用光学单元的LCD设备
    • US07593070B2
    • 2009-09-22
    • US11984403
    • 2007-11-16
    • Toshihisa Ogawa
    • Toshihisa Ogawa
    • G02F1/1333
    • G02B6/0088G02F1/133615
    • An optical unit, includes a light conductive plate having a first surface and a second surface, at least one optical sheet on the first surface of the light conductive plate, and a light reflective sheet extending over the entire second surface of the light conductive plate and fastened on a portion of a first surface of the optical sheet adjacent the periphery thereof to fasten the light conductive plate, the optical sheet, and the light reflective sheet as an optical unit, and to define a light discharge region on the first surface of the optical sheet and the first surface of the light conductive plate.
    • 一种光学单元,包括具有第一表面和第二表面的导光板,在所述导光板的第一表面上的至少一个光学片和在所述导光板的整个第二表面上延伸的光反射片,以及 紧固在邻近其周边的光学片的第一表面的一部分上,以将光导板,光学片和光反射片作为光学单元固定,并且在第一表面上限定光放电区域 光学片和导光板的第一表面。