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    • 1. 发明授权
    • Multi-beam light source device and multi-beam light scanning device
    • 多光束光源装置和多光束光扫描装置
    • US08559087B2
    • 2013-10-15
    • US13075290
    • 2011-03-30
    • Shogo MoriJunichi Yokoi
    • Shogo MoriJunichi Yokoi
    • G02B26/08B41J2/435
    • G02B26/125
    • A multi-beam light source device and a multi-beam scanning device including the multi-beam light source device are provided. The multi-beam light source device includes: a light source including: a cylindrical package having a side edge portion which extends in a rotational direction about a rotational axis line defined as a first direction; a plurality of light emitting units which are disposed in the cylindrical package and configured to emit laser light in the first direction; and a housing which holds the light source. The housing has a holder that holds the side edge portion of the cylindrical package to be relatively rotatable in the rotational direction. The holder is formed with at least one opening which exposes the side edge portion of the light source.
    • 提供了包括多光束光源装置的多光束光源装置和多光束扫描装置。 多光束光源装置包括:光源,包括:圆筒形封装,其具有围绕围绕作为第一方向限定的旋转轴线的旋转方向延伸的侧边缘部分; 多个发光单元,其设置在所述圆筒形封装中并且被配置为沿所述第一方向发射激光; 以及保持光源的壳体。 壳体具有将圆筒形封装的侧边缘部保持为沿旋转方向相对旋转的保持器。 保持器形成有暴露光源的侧边缘部分的至少一个开口。
    • 10. 发明授权
    • Transistor with current sensing function
    • 具有电流检测功能的晶体管
    • US5023693A
    • 1991-06-11
    • US532573
    • 1990-06-04
    • Shogo MoriTetsuo Tateishi
    • Shogo MoriTetsuo Tateishi
    • G01R31/26
    • G01R31/2644
    • A transistor with current sensing function comprises a main transistor section for conducting a main current and a sense transistor section for sensing the magnitude of the main current. The main transistor section and the sense transistor section have a common collector region, respective individual base regions and respective individual emitter regions. This allows an external drive circuit to supply a base current to a respective base region. As a result, a high-accuracy current sensing function can be implemented without being affected by variations in current and temperature. In addition, by connecting current dividing resistances to the respective base regions of the main transistor section and the sense transistor section to divide a common base current at a constant ratio, the base regions can be regarded as an apparent single base. It thus becomes easy to drive the base. 148
    • 具有电流检测功能的晶体管包括用于传导主电流的主晶体管部分和用于感测主电流大小的检测晶体管部分。 主晶体管部分和感测晶体管部分具有公共集电极区域,各自的基极区域和各个发射极区域。 这允许外部驱动电路向相应的基极区域提供基极电流。 结果,可以实现高精度电流感测功能,而不受电流和温度的变化的影响。 此外,通过将电流分压电阻连接到主晶体管部分和感测晶体管部分的各个基极区域以将恒定比例的公共基极电流分开,可以将基极区域视为明显的单个基极。 因此变得容易驱动基座。 148