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    • 4. 发明授权
    • Illumination device
    • 照明装置
    • US08419227B2
    • 2013-04-16
    • US12482159
    • 2009-06-10
    • Takahiro Nakayama
    • Takahiro Nakayama
    • F21V7/04
    • H04N1/03H04N1/02815H04N1/0285H04N1/02865H04N1/0303H04N1/0305H04N1/0311H04N1/0312
    • To provide an illumination device in which a point light source and a reflective member based on a light weight, cheap resin material is used, the illumination device has high precision and is strong to environmental variations when in a state assembled as a unit and is easily moldable as a part, a plurality of point light sources (111) is arrayed, a first reflective member (112b, 112c, 112d) is disposed along an outgoing direction of light of the point light sources, a second reflective member (112e) is disposed in a surface opposed to a light emitting surface of the point light source in an orthogonal direction, the point light sources are moved integrally with a part or a whole of the first and the second reflective member, the illumination device irradiates an irradiation surface by light from the point light sources, rib shaped bodies (112a) are disposed in a light passageway side of the first reflective member, the rib shaped bodies includes a reflective surface and is situated at a position of an approximately equal distance from two adjacent point light sources, the rib shaped bodies are disposed to be approximately orthogonal against a straight line connecting the two adjacent point light sources.
    • 为了提供一种照明装置,其中使用基于重量轻的廉价树脂材料的点光源和反射构件,照明装置具有高精度并且在组装为一个单元的状态下易于环境变化,并且容易 排列成多个点状光源(111),沿着点光源的出射方向配置第一反射部件(112b,112c,112d),第二反射部件(112e)为 设置在与所述点光源的发光面相对的表面的正交方向上,所述点光源与所述第一反射构件和所述第二反射构件的一部分或整体一体地移动,所述照明装置通过 来自点光源的光,肋状体(112a)设置在第一反射构件的光通路侧,肋状体包括反射面,位于 距离两个相邻点光源大致相等的距离的位置,肋状体被布置成与连接两个相邻点光源的直线大致正交。
    • 7. 发明申请
    • IMAGE FORMING LENS, CAMERA DEVICE, AND HANDHELD TERMINAL
    • 图像形成镜头,相机设备和手持式终端
    • US20100296180A1
    • 2010-11-25
    • US12786913
    • 2010-05-25
    • Yoshifumi SudohTakahiro Nakayama
    • Yoshifumi SudohTakahiro Nakayama
    • G02B9/04
    • G02B9/62G02B9/04G02B13/04
    • An image forming lens including an aperture stop, a first lens group arranged on the object side relative to the aperture stop, and a second lens group having a positive power arranged on an image side relative to the aperture stop, the first lens group including a first F lens group having a negative power and a first R lens group having a positive power arranged in this sequence from the object side with the widest air space between the first F lens group and the first R lens group, the first F lens group including at least two negative lenses, the first R lens group including at least one positive lens, the second lens group including a second F lens group having a positive power and a second R lens group arranged in this sequence from the object side, the second F lens group including a first positive lens, a first negative lens, a second negative lens, and a second positive lens arranged in this sequence from the object side, and the second R lens group including at least one lens.
    • 一种成像透镜,包括孔径光阑,相对于孔径光阑设置在物体侧的第一透镜组和相对于孔径光阑布置在像侧的具有正光焦度的第二透镜组,第一透镜组包括: 具有负功率的第一F透镜组和具有从第一F透镜组和第一R透镜组之间的最宽空间的物体侧排列的正光焦度的第一R透镜组,第一F透镜组包括 至少两个负透镜,所述第一R透镜组包括至少一个正透镜,所述第二透镜组包括具有正光焦度的第二F透镜组和从所述物体侧以该顺序排列的第二R透镜组,所述第二F 透镜组,包括从物体侧依次排列的第一正透镜,第一负透镜,第二负透镜和第二正透镜,第二R透镜组包括至少一个透镜 。
    • 10. 发明申请
    • EMBEDDED MAGNET TYPE MOTOR
    • 嵌入式磁铁式电机
    • US20080265706A1
    • 2008-10-30
    • US12108135
    • 2008-04-23
    • Takahiro NakayamaHirotaka ItohYoshiyuki TakabeKeisuke KoideYoshihito Nishikawa
    • Takahiro NakayamaHirotaka ItohYoshiyuki TakabeKeisuke KoideYoshihito Nishikawa
    • H02K1/27
    • H02K1/2766
    • An embedded magnet type motor is disclosed. The rotor core of the motor has radially extending first accommodation holes and V-shaped accommodation holes. Each V-shaped accommodation hole includes a second accommodation hole and a third accommodation hole. A first gap is formed in each first accommodation hole. The first gap is not occupied by the corresponding first magnet. A second gap is formed in each second accommodation hole. The second gap is not occupied by the corresponding second magnet. A third gap is formed in each third accommodation hole at a radially outer portion. The third gap is not occupied by the corresponding third magnet. Each second gap and the adjacent third gap form one V-shaped gap. The angular width θa of each first gap and the angular width θb of each V-shaped gap are determined to satisfy the expression: 0.60
    • 公开了一种嵌入式磁体式电动机。 电动机的转子芯具有径向延伸的第一容纳孔和V形容纳孔。 每个V形容纳孔包括第二容纳孔和第三容纳孔。 在每个第一容纳孔中形成第一间隙。 第一间隙不被相应的第一磁体占据。 在每个第二容纳孔中形成第二间隙。 第二间隙不被相应的第二磁体占据。 在径向外侧部分的每个第三容纳孔中形成第三间隙。 第三间隙不被相应的第三磁体占据。 每个第二间隙和相邻的第三间隙形成一个V形间隙。 确定每个V形间隙的每个第一间隙和角宽度的角宽度θa以满足以下表达式:0.60 <θtab<1.60。