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    • 3. 发明申请
    • Optical isolator and optical device
    • 光隔离器和光学器件
    • US20070177264A1
    • 2007-08-02
    • US10589581
    • 2005-02-23
    • Yoshihiro KonnoMasaru Sasaki
    • Yoshihiro KonnoMasaru Sasaki
    • G02B27/28
    • G02B6/2746G02F1/093
    • A simple-structure, small-size, inexpensive optical isolator mounted in an amplifier. The PMD and PDL are reduced to desired numerical levels to improve the characteristics. The optical isolator is composed of two double refraction elements, a 45 DEG Faraday rotator, a magnet, a lens, and a total reflection member. The directions of crystal axes of the two double refraction elements and the direction of the rotation of the Faraday rotator are appropriately set. Therefore, going-returning optical paths where incident unpolarized light is separated into ordinary light and extraordinary light, totally reflected by a total reflection member, and outputted are formed. The direction of the crystal axis with respect to the direction of the normal on the element surface of either of the two double refraction elements and the thickness in the direction of the normal on the element surface are corrected.
    • 安装在放大器中的简单结构,小尺寸,便宜的光隔离器。 将PMD和PDL降低到所需的数值水平以改善特性。 光隔离器由两个双折射元件,45°法拉第旋转器,磁体,透镜和全反射构件组成。 适当地设定两个双折射元件的晶轴方向和法拉第旋转器的旋转方向。 因此,形成了将入射的非偏振光分离成普通光和异常光的回射光路,全反射部件全反射并输出。 两个双折射元件中的任一个的元件表面上的法线方向的晶轴方向和元件表面上的法线方向的厚度被校正。
    • 5. 发明授权
    • Microlensed optical terminals and optical system equipped therewith, and
methods for their manufacture, especially an optical coupling method
and optical coupler for use therewith
    • 微型光学终端和配备其的光学系统及其制造方法,特别是与其一起使用的光耦合方法和光耦合器
    • US5293438A
    • 1994-03-08
    • US947565
    • 1992-09-21
    • Yoshihiro KonnoMasato TatenumaHiroshi KumeYukihiko Mikami
    • Yoshihiro KonnoMasato TatenumaHiroshi KumeYukihiko Mikami
    • G02B6/255G02B6/26G02B6/32G02B6/42
    • G02B6/2746G02B6/2552G02B6/262G02B6/32G02B6/4208
    • The tip of a first optical fiber 8 is fused integrally to a second optical fiber 7, having a single refractive index and an identical outer diameter, which has a spherical lens 10 with the length and diameter to produce a beam expansion by Gaussian diffusion to at least 80 .mu.m or greater at the exit and a radius of curvature greater than 200 .mu.m. The spherical part of the second fiber is formed by thermal fusion; a spherical lens having the desired diameter at the optical fiber tip is formed by feeding the optical fiber tip into a thermal fusion unit to form the spherical lens. An optical fiber terminal for optical coupling composed of a single mode optical fiber, a non-doped silica fiber beam expansion segment, and a non-doped silica spherical lens, is connected to a polarization-independent optical isolator. A ferrule support having a rotatable spherical segment formed at the tip, in which the second optical fiber and an optical fiber protecting material are inserted and stabilized in a through-hole of the ferrule support, and a coupling unit consisting of a flange and a cap, which contact with the spherical surface of the spherical segment at opposite sides after the ferrule support has been adjusted into a position which produces an optimal beam converging function.
    • 第一光纤8的尖端与具有单一折射率和相同外径的第二光纤7熔合在一起,该第二光纤具有一个具有长度和直径的球面透镜10,以产生通过高斯扩散到 在出口处至少80(我)m或更大,曲率半径大于200(我)m。 第二纤维的球形部分通过热熔合形成; 通过将光纤端头馈送到热熔接单元以形成球面透镜,形成在光纤端头处具有期望直径的球面透镜。 由单模光纤,非掺杂二氧化硅纤维束扩展段和非掺杂二氧化硅球形透镜组成的光耦合用光纤端子连接到偏振无关光隔离器。 一种套圈支撑件,其具有形成在所述尖端处的可旋转的球形部分,其中所述第二光纤和光纤保护材料插入并稳定在所述套圈支撑件的通孔中;以及联接单元,其由凸缘和帽组成 在套圈支撑件已经被调节到产生最佳光束会聚功能的位置之后,其在相对侧的球形部分的球形表面接触。
    • 6. 发明申请
    • TWO-CORE OPTICAL FIBER MAGNETIC FIELD SENSOR
    • 双核光纤磁场传感器
    • US20130088223A1
    • 2013-04-11
    • US13805031
    • 2011-06-23
    • Yoshihiro KonnoMasaru Sasaki
    • Yoshihiro KonnoMasaru Sasaki
    • G01R33/032
    • G01R33/032
    • A two-core optical fiber magnetic field sensor is configured from at least a light incidence/emission unit; a lens; a magnetic garnet; and a reflector, wherein the lens and the magnetic garnet are disposed between the light incidence/emission end of the light incidence/emission unit and the reflector; a light beam is emitted from one optical fiber; the light beam is reflected by the reflector after being transmitted through the lens and the magnetic garnet; the light beam is transmitted again through the magnetic garnet and the lens after the reflection; and incident on the other optical fiber, the light beam is emitted again from the other optical fiber, and reflected by the reflector after being transmitted through the lens and the magnetic garnet; and the light beam is transmitted again through the magnetic garnet and the lens after the reflection and incident again on the one optical fiber.
    • 两芯光纤磁场传感器由至少一个入射/发射单元构成; 镜头 磁石榴石 以及反射器,其中所述透镜和所述磁性石榴石设置在所述光入射/发射单元的光入射/发射端与所述反射器之间; 从一根光纤射出光束; 光束在透射透镜和磁性石榴石后被反射器反射; 反射后光束再次通过磁石榴石和透镜传播; 入射到另一根光纤上时,光束再次从另一根光纤发射,并被反射器透射后通过透镜和磁性石榴石反射; 并且在反射之后光束再次通过磁性石榴石和透镜再次传输到一根光纤上。
    • 7. 发明授权
    • Connecting structure for hollow member or half hollow member
    • 中空构件或半空心构件的连接结构
    • US07771137B2
    • 2010-08-10
    • US11451559
    • 2006-06-13
    • Eiji AnzaiYunosuke YamadaYoshihiro KonnoYuki Murayama
    • Eiji AnzaiYunosuke YamadaYoshihiro KonnoYuki Murayama
    • F16B7/10B60G7/02
    • B62D27/065B62D21/11B62D21/155Y10T403/7079Y10T403/7084
    • A connecting structure includes a hollow member or a half hollow member including two side portions opposed apart to each other; a collar; and a bolt. The collar includes two contact surfaces at both ends of the collar. The two contact surfaces are adapted to respectively abut on the two side portions between the two side portions. At least one of the two contact surfaces is formed with a receiving portion for caulking. Moreover, the collar is formed with a bolt-hole passing through the two contact surfaces. The collar is disposed between the two side portions, and is caulked with the hollow member or half hollow member at a caulked portion formed from at least one of the two side portions toward the receiving portion. The bolt is adapted to pass through the two side portions and the bolt-hole to connect the hollow member or half hollow member with another member.
    • 连接结构包括中空构件或包括彼此相对分离的两个侧部的半中空构件; 领子 和螺栓。 套环包括在套环的两端的两个接触表面。 两个接触表面适于分别邻接在两个侧部之间的两个侧部。 两个接触表面中的至少一个形成有用于铆接的接收部分。 此外,套环形成有穿过两个接触表面的螺栓孔。 套环设置在两个侧部之间,并且在由朝向接收部分的两个侧部中的至少一个形成的铆接部分处用中空构件或半中空构件铆接。 螺栓适于穿过两个侧部和螺栓孔,以将中空构件或半中空构件与另一构件连接。
    • 10. 发明授权
    • Method of producing forged part and method of producing suspension arm for automotive vehicles
    • 制造锻造件的方法及制造汽车悬臂的方法
    • US07251979B2
    • 2007-08-07
    • US11176684
    • 2005-07-08
    • Hideyori SakuragiYoshihiro KonnoHidenobu Kawai
    • Hideyori SakuragiYoshihiro KonnoHidenobu Kawai
    • B21J5/08
    • B21K1/74B21J5/00B21J5/02B21J5/08B21K1/06
    • A method of producing a forged part includes holding a material by a jig, upsetting the material, held by the jig, to a predetermined length by a pair of upsetting dies disposed on both ends of the material, while pressing the upsetting dies on the material, so as to produce large-diameter portions at the respective axial ends of the material. Next, a bending operation and a forging operation are made to the upset material, in that order. When forging, a direction, in which the material is forged, is set, so that a burr generated on the material by upsetting is included in a burr generated on the material by forging. Next, a finish-machining operation is made to the forged material to remove the burr left on the outer periphery of the material after forging. Thereafter, the finish-machined material is drilled to form bush-mounting holes in the large-diameter portions.
    • 一种制造锻造部件的方法包括通过夹具将材料夹持,通过一对设置在材料两端的镦锻模具将由夹具保持的材料镦锻至预定长度,同时将镦锻模压在材料上 ,以便在材料的相应轴向端部处产生大直径部分。 接下来,按顺序对镦粗材料进行弯曲操作和锻造操作。 当锻造时,设置材料被锻造的方向,使得通过锻造在材料上产生的毛刺包括在通过锻造在材料上产生的毛刺中。 接下来,对锻造材料进行精加工操作,以去除锻造后材料的外周留下的毛刺。 此后,精加工材料被钻孔以在大直径部分中形成衬套安装孔。