公开(公告)号：US5570442A

公开(公告)日：1996-10-29

申请号：US154038

申请日：1993-11-18

申请人： Mitsuzo Arii ,  Kuniaki Jinnai ,  Hisashi Ohwada ,  Yasunari Kawabata

发明人： Mitsuzo Arii ,  Kuniaki Jinnai ,  Hisashi Ohwada ,  Yasunari Kawabata

IPC分类号： G02B6/122 ,  G02B6/125 ,  G02B6/28 ,  G02B6/26

CPC分类号： G02B6/1221 ,  G02B6/125 ,  G02B6/2808

摘要： The present invention is an optical device including an optical circuit in which a plurality of branched optical waveguides are connected to a light receiving side and a light ejecting side of a main optical waveguide which mixes the entering light. The branched optical waveguides include a beginning and a terminal end. The terminal end is connected to an optical fiber and the beginning end is connected to the main optical waveguide. At least one of the branched optical waveguides has a slope or taper construction which is wider at the terminal end than at the beginning end, in order to improve lost variance and to reduce loss of light signals. The present invention also provides a method for manufacturing the above-described optical device to be used in optical local networks and optical instrumentation control systems.

摘要翻译： 本发明是一种光学装置，其包括多个分支光波导连接到混合入射光的主光波导的光接收侧和光弹射侧的光电路。 分支光波导包括起始端和末端。 终端连接到光纤，起始端连接到主光波导。 分支光波导中的至少一个具有在终端比起始端更宽的斜率或锥形结构，以便改善丢失的方差并减少光信号的损失。 本发明还提供一种制造用于光学局部网络和光学仪器控制系统的上述光学装置的方法。

公开(公告)号：US5091986A

公开(公告)日：1992-02-25

申请号：US610680

申请日：1990-11-08

申请人： Mitsuzo Arii ,  Norio Takeda ,  Shigeo Kataoka ,  Osamu Kondoh ,  Kuniaki Jinnai ,  Hisashi Ohwada ,  Tomoko Kondoh

发明人： Mitsuzo Arii ,  Norio Takeda ,  Shigeo Kataoka ,  Osamu Kondoh ,  Kuniaki Jinnai ,  Hisashi Ohwada ,  Tomoko Kondoh

IPC分类号： G02B6/122 ,  G02B6/125 ,  G02B6/28 ,  G02B6/30

CPC分类号： G02B6/30 ,  G02B6/125 ,  G02B6/2808

摘要： An optical divider for multimode optical fibers of graded-index (GI) type composed of an optical input section for securing input optical fiber, a branching section including an optical waveguide having rectangular sectional shapes irrespective of a kind of material or a method of fabricating the same and consists of a main optical waveguide and branch waveguide, and an optical output section for securing an array of output optical fibers, wherein the main optical waveguide having a width D and a length M is divided contiguously into N branch optical waveguides, preferably three or more having uniform width W, the optical waveguide having substantially uniform core thickness T is specifically related with the core diameter K of the otpical fiber to fufull the following relational formulas:0.7.ltoreq.T/K.ltoreq.0.85 (1)0.35.ltoreq.W/K.ltoreq.0.80 (2)15.ltoreq.M/D.ltoreq.70 (3)D=N.times.W (4)for reducing a coupling loss between the optical fibers and the optical waveguide and improved a loss variance by selecting the value of M/D to the value within the range as specified above or more preferably within a range of 20.ltoreq.M/D.ltoreq.60.

公开(公告)号：US5923800A

公开(公告)日：1999-07-13

申请号：US920899

申请日：1997-08-29

申请人： Toshihiko Takano ,  Michio Ohba ,  Hisashi Ohwada ,  Yasunari Kawabata ,  Hamaho Hashimoto ,  Kuniaki Jinnai

发明人： Toshihiko Takano ,  Michio Ohba ,  Hisashi Ohwada ,  Yasunari Kawabata ,  Hamaho Hashimoto ,  Kuniaki Jinnai

IPC分类号： G02B6/30 ,  G02B6/122 ,  G02B6/125 ,  G02B6/42 ,  H04B10/2581 ,  H04B10/27 ,  H04B10/278 ,  H04B10/29 ,  G02B6/26

CPC分类号： G02B6/1221 ,  G02B6/125 ,  G02B6/4246

摘要： An optical waveguide module having a main-line waveguide, which is excellent in optical branching properties, important properties of a bus communication network, and the reproducibility of the above branching properties and is easy to produce, and an optical transmission equipment having the above optical waveguide module. The optical waveguide module having a main-line waveguide which is connected to the optical transmission path and works as part of the optical transmission path and a pair of branch waveguides (21,22) which are unidirectionally branched from the main-line waveguide, the main-line waveguide and the branch waveguides being formed by providing an optically transparent polymer film with a refractive index distribution, a light-receiving device (25) being connected to one (21) of a pair of the branch waveguides, a light-emitting device (26) being connected to the other (22).

摘要翻译： 具有光分支特性优异，总线通信网络的重要特性以及上述分支特性的再现性且容易制造的主波导管的光波导模块，以及具有上述光学 波导模块。 该光波导模块具有连接到光传输路径并作为光传输路径的一部分的主线波导和从主线波导单向分支的一对分支波导（21,22）， 主线波导和分支波导通过提供具有折射率分布的光学透明聚合物膜形成，光接收装置（25）连接到一对支路波导中的一个（21），发光 设备（26）连接到另一个（22）。

公开(公告)号：US06295150B1

公开(公告)日：2001-09-25

申请号：US09412615

申请日：1999-10-06

申请人： Hisashi Ohwada ,  Toshihiko Takano ,  Norio Takeda ,  Kuniaki Jinnai

发明人： Hisashi Ohwada ,  Toshihiko Takano ,  Norio Takeda ,  Kuniaki Jinnai

IPC分类号： H04J1402

CPC分类号： H04J14/02

摘要： A wavelength division multiplexing device which can easily utilize existing optical fibers for increasing the transmission capacity by approximately several fold mainly in a short-range information communication network, comprising, as essential elements, a pair of 1×N optical couplers (2≦N≦16), N light emission devices in which one of peak wavelengths thereof differs from every other one by at least 30 nm and N light receivers having optical filters having light-transmission wavelength bands adjusted to correspond to said peak wavelengths, wherein the light emission devices and the light receivers having optical filters corresponding to peak wavelengths of the light emission devices form pairs, and said light emission devices of said light receivers are optically connected to N-port-side ports of one of the 1×N optical couplers.

摘要翻译： 一种波分复用装置，其主要在短距离信息通信网络中可以容易地利用现有光纤将传输容量增加大约几倍，其中包括一对1xN光耦合器（2≤N≤= 16），其中峰值波长其中一个峰值波长彼此不同于30nm的N个发光器件和具有调整为对应于所述峰值波长的光透射波长带的滤光器的N个光接收器，其中发光器件 并且具有对应于发光器件的峰值波长的滤光器的光接收器形成成对，并且所述光接收器的所述发光器件光学连接到1xN光耦合器中的一个的N端口侧端口。

公开(公告)号：US5916402A

公开(公告)日：1999-06-29

申请号：US803368

申请日：1997-02-20

申请人： Toshihiko Takano ,  Michio Ohba ,  Hisashi Ohwada ,  Yasunari Kawabata

发明人： Toshihiko Takano ,  Michio Ohba ,  Hisashi Ohwada ,  Yasunari Kawabata

IPC分类号： B32B17/10 ,  B32B31/00 ,  B29D11/00

CPC分类号： B32B17/10981 ,  B32B17/10018 ,  B32B17/10871 ,  B32B17/10908 ,  B32B17/1099 ,  Y10T156/1064

摘要： An object of the present invention is to allow an optical element to be obtained with good precision using a polymer film and a glass substrate as a reinforcer. The present invention is characterized by the fact that a polymer film is formed on a glass substrate which has been treated to prevent the glass substrate and polymer from separation. This allows an optical circuit pattern to be formed without producing separation between the glass substrate and polymer film when the film is formed. The dimensional precision of the configuration of the distributed index in the polymer film can be maintained generally to the same extent as the expansion and shrinkage of the glass substrate. In addition, a vessel obtained with a glass substrate as the bottom surface can be used as the casting vessel.

摘要翻译： 本发明的目的是允许使用聚合物膜和玻璃基板作为增强件以高精度获得光学元件。 本发明的特征在于，在经过处理以防止玻璃基板和聚合物分离的玻璃基板上形成聚合物膜。 这允许在形成膜时不形成玻璃基板和聚合物膜之间的分离而形成光电路图案。 聚合物膜中分布指数的配置的尺寸精度通常可以保持与玻璃基板的膨胀和收缩程度相同的程度。 此外，可以使用以玻璃基板作为底面形成的容器作为铸造容器。

公开(公告)号：US09291135B2

公开(公告)日：2016-03-22

申请号：US13502878

申请日：2010-08-18

申请人： Hisashi Ohwada ,  Tohru Ishikawa ,  Motoyuki Abe

发明人： Hisashi Ohwada ,  Tohru Ishikawa ,  Motoyuki Abe

IPC分类号： F02M61/16 ,  F02M51/06

CPC分类号： F02M51/0614 ,  F02M51/0671 ,  F02M2200/9038

摘要： Provided is an electromagnetic fuel injection valve such that the collision faces of a chrome-coated movable element with respect to a stationary core and a valve body are flat, and change in the fuel injection quantity can be suppressed. The electromagnetic fuel injection valve is provided with a movable element having a cylindrical structure, and a valve body which is separated from the movable element and provided on the hollow portion side of the movable element so as to reciprocate. The movable element has a first collision face which collides with an end face of a stationary core, and a second collision face which collides with an end face of the valve body, said first collision face and second collision face coated with a chrome coating layer, and said chrome coating layer applied by disposing a positive electrode on the center axis of the movable element. An inclined face having an inclination to compensate for the inclination of the inclined face obtained from the thickness of the chrome coating layer gradually increasing toward the center axis is formed on the end face of the base material of the movable element on which at least one of either the first collision face or the second collision face will be formed. The chrome coating layer is applied on the inclined face, so that at least one of either the first collision face or the second collision face is flat.

摘要翻译： 提供一种电磁燃料喷射阀，使得镀铬可动元件相对于固定铁芯和阀体的碰撞面平坦，并且可以抑制燃料喷射量的变化。 电磁燃料喷射阀设置有具有圆柱形结构的可移动元件和与可动元件分离并设置在可移动元件的中空部分侧以便往复运动的阀体。 可移动元件具有与固定铁芯的端面相撞的第一碰撞面和与阀体的端面相撞的第二碰撞面，所述第一碰撞面和涂覆有镀铬层的第二碰撞面， 并且通过在可移动元件的中心轴上设置正电极而施加所述镀铬层。 在可移动元件的基材的端面上形成有倾斜面，其倾斜面用于补偿从镀铬层的厚度获得的倾斜面的倾斜度，朝向中心轴逐渐增加，在该可移动元件的基材的端面上， 将形成第一碰撞面或第二碰撞面。 铬涂层施加在倾斜面上，使得第一碰撞面或第二碰撞面中的至少一个是平坦的。

公开(公告)号：US20120204839A1

公开(公告)日：2012-08-16

申请号：US13502878

申请日：2010-08-18

申请人： Hisashi Ohwada ,  Tohru Ishikawa ,  Motoyuki Abe

发明人： Hisashi Ohwada ,  Tohru Ishikawa ,  Motoyuki Abe

IPC分类号： F02M51/06 ,  F16K31/44

CPC分类号： F02M51/0614 ,  F02M51/0671 ,  F02M2200/9038

摘要： Provided is an electromagnetic fuel injection valve capable of reducing fuel injection amount fluctuations by flattening chromium-coated impact surfaces of a movable core that impact with a stationary core or a valve plug.A movable valve element comprises a movable core, which has a cylindrical structure, and a valve plug, which is formed separate from the movable core and retained on a hollow side of the movable core to reciprocate together with the movable core with the electromagnetic attractive force and a force of a return spring.The movable core has a first impact surface, which impacts with the end face of the stationary core, and a second impact surface, which impacts with a retained surface of the valve plug, the first and second impact surfaces being coated with a chromium film layer.The chromium film layer is formed by setting a positive electrode for plating on a central axis line of the movable core. An end face of a movable core base material, on which at least either the first impact surface or the second impact surface is formed, has a sloped surface having a reverse gradient amount with respect to a gradient amount of the chromium film layer whose thickness gradually increases toward a central axis line of the movable core, and thereby the chromium film layer is formed on the sloped surface of the end face of the movable core base material so that at least either the first impact surface or the second impact surface has a flat surface with little slope.

摘要翻译： 提供一种电磁燃料喷射阀，其能够通过使与固定铁芯或阀芯冲击的可动铁芯的铬涂覆的冲击表面平坦化来减少燃料喷射量的波动。 可移动阀元件包括具有圆柱形结构的可动芯和与可动铁芯分开形成并保持在可动铁芯的中空侧的阀芯，并与可动铁芯一起以电磁吸引力往复运动 和一个复位弹簧的力量。 可动铁芯具有与固定铁芯的端面冲击的第一冲击表面和与阀芯的保持表面碰撞的第二冲击表面，第一和第二冲击表面涂覆有铬膜层 。 通过在可动芯的中心轴线上设置用于电镀的正极来形成铬膜层。 其上形成有第一冲击面或第二冲击面的至少任一个的可动芯基材的端面具有相对于厚度逐渐变厚的铬膜层的倾斜量具有相反梯度量的倾斜面 朝向可动芯的中心轴线增加，从而在可动芯基材的端面的倾斜表面上形成铬膜层，使得第一冲击表面或第二冲击表面中的至少一个具有平坦 表面有一点斜坡

公开(公告)号：US20110073682A1

公开(公告)日：2011-03-31

申请号：US12858306

申请日：2010-08-17

申请人： Yusuke Irino ,  Toru Ishikawa ,  Yasuo Namaizawa ,  Hisashi Ohwada ,  Kiyotaka Ogura

发明人： Yusuke Irino ,  Toru Ishikawa ,  Yasuo Namaizawa ,  Hisashi Ohwada ,  Kiyotaka Ogura

IPC分类号： F02M61/20 ,  F02M61/04

CPC分类号： F02M51/06 ,  F02M51/0671 ,  F02M61/161 ,  F02M61/165 ,  F02M61/168

摘要： A fuel injection valve comprises a valve return spring as a coil spring that applies a spring force to a movable valve element toward a valve seat and an adjuster that is used for adjusting a spring force by adjusting the amount of spring compression. The injection valve is provided with parts supporting respectively both ends of the spring in the axial direction, and the parts rotatable in the circumferential direction of the spring.

摘要翻译： 燃料喷射阀包括作为螺旋弹簧的阀复位弹簧，其向可动阀元件朝向阀座施加弹簧力，以及调节器，其用于通过调节弹簧压缩量来调节弹簧力。 喷射阀设置有分别支撑弹簧的两端在轴向上的部分，并且部件可以在弹簧的圆周方向上旋转。