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    • 3. 发明授权
    • Process for surface treatment titanium-containing metallic material
    • 表面处理含钛金属材料的工艺
    • US5116430A
    • 1992-05-26
    • US653087
    • 1991-02-08
    • Eiji HiraiKazuyoshi KurosawaYoshio Matsumura
    • Eiji HiraiKazuyoshi KurosawaYoshio Matsumura
    • C25D15/02
    • C25D15/02Y10T428/12812
    • A titanium-containing metallic material having a high heat-resistant and abrasion resistant surface is produced by (A) cleaning a titanium-containing metallic material, (B) first plating the cleaned surface of the metallic material with Cu or Ni by a strike or flash plating method, (C) second plating the first plated surface of the Ti-containing material with Ni, Ni-P alloy or a composite material comprising a Ni-P alloy matrix and fine ceramic particles dispersed in the matrix by an electroplating method, (D) non-oxidatively heat treating the second plated Ti-containing material at 450.degree. C. or more for one hour or more, (E) surface activating the second plated surface of the Ti-containing material, (F) coating the activated surface of the Ti-containing material with a heat and abrasion resistant coating layer comprising a matrix consisting of a Ni-P alloy or cobalt and fine ceramic particles dispersed in the matrix, and optionally, (G) surface-roughening the heat and abrasion-resistant coating layer surface of the Ti-containing material to a R.sub.Z of 1.0 to 10.0 .mu.m, and (H) coating the roughened surface of the Ti-containing material with a solid lubricant coating layer comprising at least one member selected from MoS.sub.2, graphite, boron nitride and F-containing polymer resin.
    • 4. 发明申请
    • Zoom Lens System, Imaging Device and Camera
    • 变焦镜头系统,成像设备和相机
    • US20120229692A1
    • 2012-09-13
    • US13413668
    • 2012-03-07
    • Yoshio Matsumura
    • Yoshio Matsumura
    • H04N5/232G02B15/177
    • G02B15/177G02B13/18
    • A zoom lens system, in order from an object side to an image side, comprising: a negative first lens unit; and at least one subsequent lens unit, wherein an interval between the first lens unit and the at least one subsequent lens unit varies in zooming, the zoom lens system is provided with: an escaping lens unit that, at the time of retracting, escapes along an axis different from that at the time of image taking; and an image blur compensating lens unit that moves in a direction perpendicular to an optical axis in order to optically compensate image blur, and the escaping lens unit is a lens unit that is different from the image blur compensating lens unit; an imaging device; and a camera are provided.
    • 变焦透镜系统,从物体侧到像侧依次包括:负第一透镜单元; 以及至少一个随后的透镜单元,其中,所述第一透镜单元和所述至少一个后续透镜单元之间的间隔在变焦时变化,所述变焦透镜系统设置有:在缩回时沿着所述透镜单元逸出的逸出透镜单元 与摄影时不同的轴; 以及图像模糊补偿透镜单元,其在与光轴垂直的方向上移动以便光学地补偿图像模糊,并且所述逸出透镜单元是与所述图像模糊补偿透镜单元不同的透镜单元; 成像装置; 并提供相机。
    • 8. 发明授权
    • Zoom lens system, imaging device and camera
    • 变焦镜头系统,成像设备和相机
    • US09274326B2
    • 2016-03-01
    • US13440998
    • 2012-04-06
    • Satoshi KuzuharaYoshio Matsumura
    • Satoshi KuzuharaYoshio Matsumura
    • G02B15/14G02B15/177
    • G02B15/177
    • A zoom lens system, in order from an object side to an image side, comprising: a first lens unit having negative optical power; a second lens unit having positive optical power; a third lens unit having negative optical power; and a fourth lens unit having positive optical power, wherein the third lens unit is composed of two or less lens elements, the fourth lens unit is composed of two or less lens elements, the first lens unit has at least one air space between lens elements constituting the first lens unit, and the condition: Dair/fW>0.75 (Dair: an air space located on the most object side in the first lens unit, fW: a focal length of the entire system at a wide-angle limit) is satisfied; an imaging device; and a camera are provided.
    • 一种从物体侧到像侧的变焦透镜系统,包括:具有负光焦度的第一透镜单元; 具有正光焦度的第二透镜单元; 具有负光焦度的第三透镜单元; 以及具有正光焦度的第四透镜单元,其中所述第三透镜单元由两个或更少的透镜元件组成,所述第四透镜单元由两个或更少的透镜元件组成,所述第一透镜单元在透镜元件之间具有至少一个空气空间 构成第一透镜单元,并且条件:Dair / fW> 0.75(Dair:位于第一透镜单元中最大物体侧的空气空间,fW:广角范围内的整个系统的焦距)为 满意; 成像装置; 并提供相机。
    • 9. 发明申请
    • ZOOM LENS SYSTEM, IMAGING DEVICE AND CAMERA
    • 变焦镜头系统,成像设备和摄像机
    • US20120026601A1
    • 2012-02-02
    • US13192476
    • 2011-07-28
    • Yoshio Matsumura
    • Yoshio Matsumura
    • G02B15/14
    • G02B15/177
    • A zoom lens system, in order from an object side to an image side, comprising a first lens unit having negative optical power and at least one subsequent lens unit, wherein a second lens unit is located closest to the object side in the subsequent lens units, an interval between the first lens unit and a lens unit which is one of the at least one subsequent lens unit varies in zooming, the condition: LT/HT 0 (1.40≦nd 0 (1.67≦nd
    • 变焦透镜系统,从物体侧到像侧依次包括具有负光焦度的第一透镜单元和至少一个后续透镜单元,其中第二透镜单元位于后续透镜单元中最靠近物体侧的位置 所述第一透镜单元和作为所述至少一个随后的透镜单元中的一个的透镜单元之间的间隔在变焦中变化,条件是:LT / HT <13.6(LT是远摄极限处的透镜系统的总长度,HT 是在远摄极限处的图像高度),并且第二透镜单元中的至少一个透镜元件满足以下条件:vd <40和0.0002122×vd2-0.01687×vd + 1.8157-nd> 0(1.40&nlE; nd <1.67)或0.001181×vd2-0.07563×vd + 2.873-nd> 0(1.67&nlE; nd <2.50)(vd是构成第二透镜单元的透镜元件的d线的阿贝数,nd是屈光度 构成第二透镜单元的透镜元件的d线的折射率); 成像装置; 并提供相机。