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    • 21. 发明申请
    • Bent type zoom optical system, and imager, information processor and electronic camera apparatus incorporating the same
    • 弯曲型变焦光学系统,成像器,信息处理器和并入其的电子照相机装置
    • US20070217028A1
    • 2007-09-20
    • US11724990
    • 2007-03-15
    • Kazuya Nishimura
    • Kazuya Nishimura
    • G02B15/14
    • G02B15/173
    • The invention relates to a bent type zoom optical system that is reduced in terms of the whole size and thickness albeit including two reflecting surfaces in an optical path and having a high zoom ratio, and an apparatus incorporating the same. The zoom optical system comprises the positive first lens group G1 adapted to remain fixed upon zooming, the negative second lens group G1 adapted to move upon zooming, and the third lens group G3 adapted to remain fixed upon zooming. The positive first lens group G1 includes the first reflecting member P1, and the third lens group includes the stop S and the second reflecting member P2. The second reflecting member P2 is located in such a way as to bend the optical path in a direction orthogonal to a plane defined by an optical axis of the first lens group G1 on its entrance side and an optical axis bent by the first reflecting member P1, and condition (1) necessary for the proper location of an entrance pupil position is satisfied.
    • 本发明涉及一种弯曲型变焦光学系统,其在整个尺寸和厚度方面减小,尽管在光路中包括两个反射表面并具有高变焦比,以及包括该变焦光学系统的装置。 变焦光学系统包括适于在变焦时保持固定的正的第一透镜组G 1,适于在变焦时移动的负第二透镜组G 1和适于在变焦时保持固定的第三透镜组G 3。 正的第一透镜组G 1包括第一反射部件P 1,第三透镜​​组包括光阑S和第二反射部件P 2.第二反射部件P 2以使光路弯曲的方式 在与由入射侧的第一透镜组G 1的光轴和由第一反射部件P1弯曲的光轴所成的平面正交的方向上,以及入射光瞳的适当位置所需的条件(1) 职位满意
    • 22. 发明授权
    • Wide-angle zoom lens and photographing apparatus using the same
    • 广角变焦镜头及使用其的摄影装置
    • US06510009B2
    • 2003-01-21
    • US09817212
    • 2001-03-27
    • Kazuya Nishimura
    • Kazuya Nishimura
    • G02B1514
    • G02B15/161
    • A wide-angle zoom lens includes a first lens unit with a positive refracting power and a second lens unit with a negative refracting power so that a space between these lens units is changed and thereby the magnification of the zoom lens can be varied. The first lens unit is constructed with a first lens component which is only one negative lens component in the first lens unit, placed at the most object-side position, and at least three positive lens components arranged on the image side of the first lens component to provide air spaces between them. Each of lens components constituting the first lens unit is constructed with a single lens element.
    • 广角变焦透镜包括具有正折射率的第一透镜单元和具有负折射率的第二透镜单元,使得这些透镜单元之间的空间变化,从而可以改变变焦透镜的放大率。 第一透镜单元由第一透镜部件构成,第一透镜部件仅在第一透镜单元中放置在最物体侧位置处的一个负透镜部件,以及布置在第一透镜部件的像侧上的至少三个正透镜部件 在他们之间提供空气空间。 构成第一透镜单元的每个透镜部件由单个透镜元件构成。
    • 27. 发明申请
    • Fiber Electrode for Lithium Secondary Battery, Fabrication Method Therefor, and Lithium Secondary Battery Including Fiber Electrode
    • US20120040246A1
    • 2012-02-16
    • US13147769
    • 2010-02-02
    • Tetsuo SakaiJinhan YaoTakashi MukaiTomoaki TakasakiKazuo TsutsumiKazuya Nishimura
    • Tetsuo SakaiJinhan YaoTakashi MukaiTomoaki TakasakiKazuo TsutsumiKazuya Nishimura
    • H01M4/131C25D7/00C25D3/02H01M4/62C25D5/54
    • H01M4/663H01M4/131H01M4/1391H01M4/623H01M4/667Y02E60/122Y02P70/54
    • Provided is a method for mass manufacturing, at low cost, of a fiber positive electrode for a lithium secondary battery, which has excellent charge/discharge cycle characteristics, and which is capable of charging/discharging with high current density, and a main active material of which is a lithium-doped transition metal oxide. The method includes the steps of: (a) forming a tubular coating of either a transition metal oxide or a transition metal hydroxide on a carbon fiber current collector; and (b) performing, in a lithium ion containing solution in a sealed system under presence of an oxidant or a reductant, heat treatment at 100 to 250° C. on the carbon fiber current collector, on which the tubular coating of either the transition metal oxide or the transition metal hydroxide is formed, to obtain a coating of a lithium-doped transition metal oxide on the carbon fiber current collector. Further provided are: a fiber negative electrode for a lithium secondary battery, which has high current density, high energy density, and excellent charge/discharge cycle characteristics, and which can be fabricated in a relatively easy manner; and a method for fabricating the fiber negative electrode. The fiber negative electrode for a lithium secondary battery includes: (c) a carbon fiber current collector; (d) an outer layer which is a tubular composite layer of a Sn oxide and MXOy formed on the carbon fiber current collector; and (e) an intermediate layer formed of a Sn alloy, which has a lithium occlusion capacity and which is present at an interface between the carbon fiber current collector and the outer layer. The method for fabricating the fiber negative electrode for a lithium secondary battery includes: forming a coating of one of Sn and a Sn alloy, and a coating of at least one kind of metal selected from the group consisting of Fe, Mo, Co, Ni, Cr, Cu, In, Sb, and Bi, on a carbon fiber current collector by an electroplating method; and then performing heat treatment on the carbon fiber current collector under a trace oxygen atmosphere at 350 to 650° C. Moreover, the lithium secondary battery includes: the fiber positive electrode and the fiber negative electrode fabricated in the above methods; and an electrolyte.
    • 29. 发明授权
    • Bent type zoom optical system, and imager, information processor and electronic camera apparatus incorporating the same
    • 弯曲型变焦光学系统,成像器,信息处理器和并入其的电子照相机装置
    • US07508593B2
    • 2009-03-24
    • US11717848
    • 2007-03-13
    • Kazuya Nishimura
    • Kazuya Nishimura
    • G02B15/14
    • G02B15/161G02B15/17G02B15/173
    • The invention relates to a bent type zoom optical system comprising a positive first lens group having a reflecting member and remaining fixed upon zooming and a second lens group adapted to move upon zooming, and having a high zoom ratio and a short entire-length, and an imaging apparatus or the like incorporating the same. The zoom optical system comprises the positive first lens group G1 adapted to remain fixed upon zooming and the negative second lens group adapted to move upon zooming. The positive first lens group G1 comprises, in order from the object side, a negative single lens, a reflecting member P and a positive lens unit. The zoom optical system satisfies condition (1) for prevention of fluctuations in the entrance pupil position, condition (2) about the focal length of the first lens group G1, and condition (3) for putting in order the shape of the negative single lens in the first lens group G1.
    • 本发明涉及一种弯曲型变焦光学系统,包括具有反射构件的正的第一透镜组,并且在变焦时保持固定,以及适于在变焦时移动的第二透镜组,并且具有高变焦比和短整体, 包含该成像装置的成像装置等。 变焦光学系统包括适于在变焦时保持固定的正的第一透镜组G1和适于在变焦时移动的负的第二透镜组。 正的第一透镜组G1从物体侧依次包括负单透镜,反射构件P和正透镜单元。 变焦光学系统满足用于防止入射光瞳位置的波动的条件(1),关于第一透镜组G1的焦距的条件(2)以及用于放置负单透镜的形状的条件(3) 在第一个镜头组G1。
    • 30. 发明授权
    • Bent type zoom optical system, and imager, information processor and electronic camera apparatus incorporating the same
    • 弯曲型变焦光学系统,成像器,信息处理器和并入其的电子照相机装置
    • US07499224B2
    • 2009-03-03
    • US11724990
    • 2007-03-15
    • Kazuya Nishimura
    • Kazuya Nishimura
    • G02B15/14
    • G02B15/173
    • The invention relates to a bent type zoom optical system that is reduced in terms of the whole size and thickness albeit including two reflecting surfaces in an optical path and having a high zoom ratio, and an apparatus incorporating the same. The zoom optical system comprises the positive first lens group G1 adapted to remain fixed upon zooming, the negative second lens group G1 adapted to move upon zooming, and the third lens group G3 adapted to remain fixed upon zooming. The positive first lens group G1 includes the first reflecting member P1, and the third lens group includes the stop S and the second reflecting member P2. The second reflecting member P2 is located in such a way as to bend the optical path in a direction orthogonal to a plane defined by an optical axis of the first lens group G1 on its entrance side and an optical axis bent by the first reflecting member P1, and condition (1) necessary for the proper location of an entrance pupil position is satisfied.
    • 本发明涉及一种弯曲型变焦光学系统,其在整个尺寸和厚度方面减小,尽管在光路中包括两个反射表面并具有高变焦比,以及包括该变焦光学系统的装置。 变焦光学系统包括适于在变焦时保持固定的正的第一透镜组G1,适于在变焦时移动的负第二透镜组G1和适于在变焦时保持固定的第三透镜组G3。 正的第一透镜组G1包括第一反射构件P1,并且第三透镜组包括止挡件S和第二反射构件P2。 第二反射构件P2的位置使得在与入射侧的第一透镜组G1的光轴和由第一反射构件P1弯曲的光轴正交的方向上弯曲光路 ,并且满足入射光瞳位置的适当定位所必需的条件(1)。