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    • 5. 发明授权
    • Capacitor discharger for power conversion system
    • 电力转换系统电容放电器
    • US08929113B2
    • 2015-01-06
    • US13568469
    • 2012-08-07
    • Kazunori WatanabeTsuneo Maebara
    • Kazunori WatanabeTsuneo Maebara
    • H02M7/537H02M7/48H02M1/32
    • H02M7/48B60L2210/14H02M2001/322Y02T10/7225
    • A capacitor discharger applied to a power conversion system including a DC voltage source, a power conversion circuit having a pair of input terminals via which the DC voltage source is electrically connected to the power conversion circuit, and a capacitor electrically connected between the pair of input terminals of the power conversion circuit. The capacitor discharger includes a first series connection of resistive elements and a second series connection of resistive elements. In the capacitor discharger, a parallel connection of the first and second series connections of resistive elements is electrically connected between the pair of input terminals of the power conversion circuit. This can ensure a discharge path for discharging the capacitor even in the presence of an abnormality in a portion of the parallel connection of the first and second series connections of resistive elements.
    • 一种电容放电器,其应用于包括直流电压源的电力转换系统,具有一对输入端子的电力转换电路,直流电压源通过该电压转换电路电连接到电力转换电路;以及电容器,电连接在所述一对输入端 电源转换电路的端子。 电容放电器包括电阻元件的第一串联连接和电阻元件的第二串联连接。 在电容放电器中,电阻元件的第一和第二串联连接的并联连接电连接在功率转换电路的一对输入端之间。 即使在电阻元件的第一和第二串联连接的并联部分的一部分存在异常的情况下,也可以确保用于放电电容器的放电路径。
    • 6. 发明授权
    • Optical scanner and image forming apparatus including same
    • 光扫描器及包括其的图像形成装置
    • US08780159B2
    • 2014-07-15
    • US13897970
    • 2013-05-20
    • Keiichi SerizawaTakeshi YamakawaKazunori Watanabe
    • Keiichi SerizawaTakeshi YamakawaKazunori Watanabe
    • B41J2/435
    • G02B26/10G02B26/12G03G15/04036G03G15/0435
    • An optical scanner includes a light source, an optical element, a deflector, a casing, and a first cover. The deflector deflects the light beam emitted from the light source to scan a photoreceptor through the optical element. The casing includes an upper opening, walls including a transparent plate defining a deflector compartment to accommodate the deflector, and an optical element mounting portion to accommodate the light source and the optical element. The first cover covers the upper opening of the casing and includes a recessed portion recessed toward the bottom of the casing and including a first opening at the bottom thereof facing the deflector. The recessed portion and the walls are directly or indirectly connected to define a single continuous space isolating the deflector compartment from the optical element mounting portion. The recessed portion and the deflector compartment communicate via the first opening.
    • 光学扫描器包括光源,光学元件,偏转器,壳体和第一盖。 偏转器使从光源发射的光束偏转以通过光学元件扫描感光体。 壳体包括上部开口,包括限定用于容纳偏转器的偏转器隔室的透明板的壁和用于容纳光源和光学元件的光学元件安装部分。 第一盖覆盖壳体的上部开口,并且包括朝向壳体的底部凹陷的凹部,并且包括在其底部处面向偏转器的第一开口。 凹陷部分和壁直接或间接连接以限定将偏转器隔室与光学元件安装部分隔离的单个连续空间。 凹陷部分和偏转器室通过第一开口连通。
    • 8. 发明授权
    • Lighting device
    • 照明设备
    • US08714770B2
    • 2014-05-06
    • US13056632
    • 2009-07-27
    • Masaru KatoKazunori Watanabe
    • Masaru KatoKazunori Watanabe
    • F21V7/09
    • F21V5/04F21S2/00F21S4/20F21S8/08F21V5/007F21V5/08F21W2131/103F21Y2103/10F21Y2115/10
    • A lighting device (1) is configured to include: an elongated flat substrate (2); a plurality of semiconductor light sources (3) arranged on the flat substrate in a longitudinal direction of the flat substrate; and a lens plate (4) disposed to face the semiconductor light sources, wherein the lens plate includes a lens-light-incident surface facing the semiconductor light sources and includes a lens-light-emitting surface, a first lens section (5) is formed on one of the lens-light-incident surface and the lens-light-emitting surface and distributing the light emitted by the semiconductor light source in the longitudinal direction, a second lens section (9) is formed on the other one of the lens-light-incident surface and the lens-light-emitting surface for distributing the light emitted by the semiconductor light sources in a width direction, and the first lens section has a curvature surface unit including two or more convex section curvature surfaces having different curvature radii and formed adjacent in the longitudinal direction, each convex section's curvature surface is disposed inside a facing area facing an area corresponding to a width of each semiconductor light source in the longitudinal direction.
    • 照明装置(1)被配置为包括:细长平坦基板(2); 多个半导体光源(3),沿着所述平坦基板的长度方向配置在所述平坦基板上; 以及透镜板(4),其设置为面对所述半导体光源,其中,所述透镜板包括面向所述半导体光源的透镜光入射面,并且包括透镜发光面,所述第一透镜部(5)为 形成在所述透镜光入射面和所述透镜发光面中的一个上,并且在所述纵向方向上分配由所述半导体光源发射的光;第二透镜部(9)形成在所述透镜 光入射表面和用于将半导体光源发射的光在宽度方向上分配的透镜发光表面,并且第一透镜部具有包括具有不同曲率半径的两个或更多个凸部曲率面的曲率面单元 并且在长度方向上相邻地形成,每个凸部的曲率面设置在与长条状的各半导体光源的宽度对应的面对面的面对面 方向。