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    • 62. 发明申请
    • IMAGING LENS
    • 成像镜头
    • US20120200945A1
    • 2012-08-09
    • US13445154
    • 2012-04-12
    • Yoji KUBOTAKenichi KubotaHitoshi HiranoIchiro Kurihara
    • Yoji KUBOTAKenichi KubotaHitoshi HiranoIchiro Kurihara
    • G02B9/34
    • G02B13/004
    • An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; and a fourth lens having positive refractive power, arranged from an object side to an image plane side. In the first lens, a curvature radius on an object-side surface is positive and a curvature radius of an image-side surface is negative. In the second lens, curvature radii of an object-side surface and an image-side surface are both positive. In the third lens, curvature radii of an object-side surface and an image-side surface thereof are both negative. When the whole lens system has a focal length f and a distance from the object-side surface of the first lens to an image-side surface of the fourth lens is L14, the imaging lens satisfies the following expression: 0.5
    • 成像透镜包括具有正折光力的第一透镜; 具有负屈光力的第二透镜; 具有正折射光焦度的第三透镜; 以及从物体侧到像面侧布置的具有正折光力的第四透镜。 在第一透镜中,物体侧表面上的曲率半径为正,图像侧表面的曲率半径为负。 在第二透镜中,物体侧表面和图像侧表面的曲率半径均为正。 在第三透镜中,物体侧表面和图像侧表面的曲率半径均为负。 当整个透镜系统具有焦距f并且从第一透镜的物体侧表面到第四透镜的像侧表面的距离为L14时,成像透镜满足以下表达式:0.5
    • 66. 发明授权
    • Pyroelectric detector and method for manufacturing the same
    • 热电探测器及其制造方法
    • US4383174A
    • 1983-05-10
    • US190161
    • 1980-09-23
    • Sadao MatsumuraKatsuyoshi FukutaHitoshi Hirano
    • Sadao MatsumuraKatsuyoshi FukutaHitoshi Hirano
    • G01J5/34H01L37/02G01J1/00
    • H01L37/02G01J5/34H01L2224/48091
    • A device for detecting infrared rays using the pyroelectric effect, namely a pyroelectric detector, and methods for manufacturing the pyroelectric detector, are disclosed. The pyroelectric detector comprises a pyroelectric material, an electrode for receiving infrared rays placed on one face of the pyroelectric material, a shield electrode placed at the other face of the pyroelectric material, a substrate made of a semiconductor or conductive material which is fastened to the shield electrode, the substrate having a hole corresponding in position to the position of the infrared receiving electrode and a stand to which the substrate is fastened. The method for manufacturing the pyroelectric detector comprises the steps of forming a shield electrode at one face of a pyroelectric wafer, making holes in a substrate, fastening the substrate to the shield electrode, grinding the other of the wafer, forming electrodes on the other face of the wafer for receiving infrared rays, the position of the electrodes corresponding to the position of the holes, and dicing the pyroelectric material between the holes to form a single pyroelectric detector.
    • 公开了一种使用热电效应检测红外线的装置,即热电检测器,以及制造该热电检测器的方法。 热电检测器包括热电材料,用于接收放置在热电材料的一个面上的红外线的电极,放置在热电材料的另一个面上的屏蔽电极,由半导体或导电材料制成的基板,其被固定到 屏蔽电极,具有与红外线接收电极的位置对应的孔的基板和固定基板的支架。 热电检测器的制造方法包括以下步骤:在热电晶片的一个面上形成屏蔽电极,在基板上形成孔,将基板固定在屏蔽电极上,研磨另一个晶片,在另一个面上形成电极 用于接收红外线的晶片,电极的位置对应于孔的位置,并且将热电材料切割在孔之间以形成单个热电检测器。
    • 70. 发明授权
    • Zoom lens
    • 变焦镜头
    • US08760769B2
    • 2014-06-24
    • US13448653
    • 2012-04-17
    • Yoji KubotaKenichi KubotaHitoshi Hirano
    • Yoji KubotaKenichi KubotaHitoshi Hirano
    • G02B15/14
    • G02B15/177
    • A zoom lens includes a first lens group G1 that is negative, a second lens group G2 that is negative, and a third lens group G3 that is positive. The first lens group G1 includes a first lens L1 that is negative and a prism P, and the second lens group G2 includes a second lens L2 that is positive and a third lens L3 that is negative. The third lens group G3 includes a stop ST, a fourth lens L4 that is positive, and a fifth lens L5 that is negative. According to this configuration, upon changing magnification from a wide-angle end to a telephoto end, the first lens group G1 is secured, the second lens group G2 first moves to the image plane side and then moves to the object side, and the third lens group G3 linearly moves to the object side.
    • 变焦透镜包括为负的第一透镜组G1,为负的第二透镜组G2和为正的第三透镜组G3。 第一透镜组G1包括负的第一透镜L1和棱镜P,并且第二透镜组G2包括正的第二透镜L2和为负的第三透镜L3。 第三透镜组G3包括挡块ST,正的第四透镜L4和为负的第五透镜L5。 根据该结构,在从广角端到望远端的倍率变化时,固定第一透镜组G1,第二透镜组G2首先移动到像面侧,然后移动到物体侧,第三透镜​​组 透镜组G3直线移动到物体侧。