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    • 3. 发明授权
    • Immersion objective lens system for microscope
    • 沉浸物镜系统用于显微镜
    • US07199938B2
    • 2007-04-03
    • US11330349
    • 2006-01-12
    • Yasushi FujimotoTakashi Kasahara
    • Yasushi FujimotoTakashi Kasahara
    • G02B21/02
    • G02B21/33G02B21/02
    • An apochromat immersion objective lens system for microscope which consists, in order from the object side, of a first lens unit composed of a cemented lens component consisting of a plano-convex lens element having a planar surface on the object side and a meniscus lens element having a concave surface on the object side, a second lens unit composed of a lens component or two lens components, a third lens unit comprising at least two cemented lens components, a fourth lens unit composed of a negative lens component having a strongly concave surface on the image side and a fifth lens unit comprising a meniscus lens component having a concave surface on the object side, and has a large numerical aperture exceeding 1.4 without using special oil or a special cover glass plate as well as favorably corrected spherical aberration and chromatic aberration.
    • 一种用于显微镜的复消色差浸没式物镜系统,其从物体侧依次包括第一透镜单元,该第一透镜单元由在物体侧具有平坦表面的平凸透镜元件和弯月透镜元件 在物体侧具有凹面,由透镜部件或两个透镜部件构成的第二透镜单元,包括至少两个胶合透镜部件的第三透镜单元,由具有强凹面的负透镜部件构成的第四透镜单元 并且具有在物体侧具有凹面的弯月形透镜部件的第五透镜单元,并且具有超过1.4的大数值孔径,而不使用特殊的油或特殊的盖玻璃板以及有利地校正的球面像差和色度 像差
    • 6. 发明授权
    • Image pickup lens, and image pickup system using the same
    • 图像拾取镜头和使用其的摄像系统
    • US06775074B2
    • 2004-08-10
    • US10305090
    • 2002-11-27
    • Takashi Kasahara
    • Takashi Kasahara
    • G02B934
    • G02B13/0035G02B9/34G02B13/006G02B13/0065G02B13/06
    • A compact optical system includes a reduced number of lens elements with a bendable optical path and so is compatible with miniature image pickup devices. The image pickup lens includes, in order from its object side, a first lens element having a negative refracting power, a second lens element having positive refracting power, a stop, a third lens element having a negative refractive power and a fourth lens element having positive refracting power, and satisfies the following conditions (1) and (2) 50>&ngr;d1−&ngr;d2>10  (1) 2>f/f3>0.35  (2) where &ngr;d1 is the d-line reference Abbe number of the first lens element, &ngr;d2 is the d-line reference Abbe number of the second lens element, f is the focal length of the image pickup lens, and f3 is the composite focal length of the third and fourth lens elements. Between the first and the second lens element there is interposed a reflecting surface.
    • 紧凑的光学系统包括具有可弯曲光路的少数透镜元件,因此与微型图像拾取装置兼容。 图像拾取透镜从其物体侧依次包括具有负折射率的第一透镜元件,具有正折射率的第二透镜元件,具有负屈光力的第三透镜元件和具有负屈光力的第四透镜元件,以及具有 正折射率,并且满足以下条件(1)和(2)其中nud1是第一透镜元件的d线参考阿贝数,nud2是第二透镜元件的d线参考阿贝数,f是 图像拾取透镜的焦距,f3是第三和第四透镜元件的复合焦距。 在第一和第二透镜元件之间插入有反射表面。
    • 7. 发明授权
    • Gear module
    • 齿轮模块
    • US06289758B1
    • 2001-09-18
    • US09420910
    • 1999-10-20
    • Mitsuyasu KugioTakashi KasaharaToshinori IiijiyaMasaaki Takagi
    • Mitsuyasu KugioTakashi KasaharaToshinori IiijiyaMasaaki Takagi
    • F16H334
    • F16H3/34F16H63/304F16H2063/305Y10T74/19367Y10T74/19516Y10T74/19619Y10T74/19684
    • There is disclosed a gear module comprising an output gear pivotally fitted to a base, a transmission gear rotated by a driving force from a driving motor to transmit the driving force to the output gear, a power actuating lever having a base end pivotally fitted to the base to be rotated around the base end; an actuated lever having a top end pivotally fitted to the transmission lever and a base end pivotally fitted to the base; and a connection bar connecting the top end of the power actuating lever and the top end of the actuated lever, the connection bar allowing the actuated lever to rotate in accordance with a rotation of the power actuating lever and allowing the transmission gear and the output gear to be engaged with each other, wherein the link axises of the power actuating lever and the connection bar form approximately straight line when the transmission lever is engaged with the output gear.
    • 公开了一种齿轮模块,其包括可枢转地装配到基座的输出齿轮,通过来自驱动马达的驱动力旋转以将驱动力传递到输出齿轮的传动齿轮;动力执行杆,其具有枢转地安装到 基部围绕基端旋转; 致动杆,其具有枢转地装配到所述传动杆的顶端和枢转地安装到所述基座的基端; 以及连接杆,其连接所述动力操纵杆的顶端和所述致动杆的顶端,所述连接杆允许所述致动杆根据所述动力操纵杆的旋转而旋转,并允许所述传动齿轮和所述输出齿轮 彼此接合,其中当传动杆与输出齿轮接合时,动力驱动杆和连接杆的连杆轴线形成大致直线。
    • 8. 发明授权
    • Spectroscopic sensor
    • 光谱传感器
    • US09587980B2
    • 2017-03-07
    • US14349080
    • 2012-09-10
    • Katsumi ShibayamaTakashi Kasahara
    • Katsumi ShibayamaTakashi Kasahara
    • G01B9/02G01J3/45G01J3/02G01J3/26G01J3/36G01J3/51G01J3/28G01J3/12
    • G01J3/0229G01J3/26G01J3/2803G01J3/36G01J3/513G01J2003/1234G01J2003/2806
    • A spectroscopic sensor 1 comprises an interference filter unit 20, having a cavity layer 21 and mirror layers 22, 23 opposing each other through the layer 21, for selectively transmitting therethrough light in a predetermined wavelength range according to an incident position thereof; a light-transmitting substrate 3, arranged on the layer 22 side, for transmitting therethrough light incident on the unit 20; and a light-detecting substrate 4, arranged on the layer 23 side, for detecting the light transmitted through the unit 20. The layer 21 has a filter region 24 held between the layers 22, 23; an annular surrounding region 25 surrounding the region 24 with a predetermined distance therefrom; and an annular connecting region 26 connecting an end part 24e on the substrate 4 side of the region 24 and an end part 25e on the substrate 4 side of the region 25 to each other.
    • 光谱传感器1包括干涉滤光器单元20,其具有通过层21相对的空腔层21和反射镜层22,23,用于根据其入射位置选择性地透射预定波长范围的光; 布置在层22侧的用于透射入射在单元20上的光的透光基板3; 以及布置在层23侧的用于检测透过单元20的光的光检测基板4.层21具有保持在层22,23之间的过滤器区域24。 围绕区域24的环形周围区域25与预定距离; 以及将区域24的基板4侧的端部24e和区域25的基板4侧的端部25e彼此连接的环状连接区域26。
    • 10. 发明申请
    • SPECTROSCOPIC SENSOR
    • 光谱传感器
    • US20140253923A1
    • 2014-09-11
    • US14349101
    • 2012-09-10
    • Katsumi ShibayamaTakashi Kasahara
    • Katsumi ShibayamaTakashi Kasahara
    • G01J3/45
    • G01J3/45G01J3/0259G01J3/26G01J3/2803G01J3/36G01J3/513G01J2003/1234G01J2003/2806G01J2003/2816
    • A spectroscopic sensor 1 comprises an interference filter unit 20, having a cavity layer 21 and first and second mirror layers 22, 23 opposing each other through the cavity layer 21, for selectively transmitting therethrough light in a predetermined wavelength range according to an incident position thereof; a light-transmitting substrate 3, arranged on the first mirror layer 22 side, for transmitting therethrough light incident on the interference filter unit 20; a light-detecting substrate 4, arranged on the second mirror layer 23 side, for detecting the light transmitted through the interference filter unit 20; and a first coupling layer 11 arranged between the interference filter unit 20 and the light-transmitting substrate 3. The cavity layer 21 and the first coupling layer 11 are silicon oxide films.
    • 光谱传感器1包括干涉滤光器单元20,其具有空腔层21和通过空腔层21彼此相对的第一和第二反射镜层22,23,用于根据其入射位置选择性地透过预定波长范围的光 ; 布置在第一镜层22侧的用于透射入射在干涉滤光器单元20上的光的透光基板3; 布置在第二镜面23侧的光检测基板4,用于检测透过干涉滤光器单元20的光; 以及布置在干涉滤光器单元20和透光衬底3之间的第一耦合层11.空腔层21和第一耦合层11是氧化硅膜。