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    • 1. 发明授权
    • Optical switch device
    • 光开关器件
    • US07289696B2
    • 2007-10-30
    • US10565339
    • 2004-08-03
    • Eiji FujisawaToshifumi TsurutaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • Eiji FujisawaToshifumi TsurutaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • G02B6/26G02B26/00
    • G02B6/3516G02B6/352G02B6/3548G02B6/3572G02B6/358
    • An optical switch device (1) of such a type that the COUPLED state of light guides is switched by moving a light reflective member capable of securely preventing a movable body with the light reflective member from being displaced and allowing a reduction in thickness, comprising a pressing member (41) switching the movable body (2) with a prism mirror (10) mounted thereon between a clamped state and an unclamped state, a twisted spring (60) energizing the pressing member in a clamping direction, and a magnetic drive circuit (45) for clamping driving the pressing member (41) in the unclamped state against the torsion spring (60). The magnetic drive circuit (45) for clamping further comprises a clamp coil (72) on the fixed member (13) side and clamp magnets (70, 71) on the pressing member (41) side. The clamp magnets (70, 71) are disposed so as to hold the clamp coil (72) from the inside and outside of the opening thereof with the different poles thereof opposed to each other.
    • 通过移动能够可靠地防止可移动体与光反射构件的光反射构件的移动并允许厚度的减小来切换光导的COUPLED状态的光开关装置(1),包括: 按压构件(41),其在安装在其上的棱镜(10)在夹紧状态和未夹紧状态之间切换可动体(2),沿着夹紧方向对按压构件施力的扭簧(60),以及磁驱动电路 (45),用于将所述按压构件(41)以未夹紧状态夹紧驱动所述扭簧(60)。 用于夹持的磁驱动电路(45)还包括在固定构件(13)侧上的夹紧线圈(72)和在按压构件(41)侧上的夹紧磁体(70,71)。 夹持磁体(70,71)被设置成将夹紧线圈(72)从其开口的内侧和外侧保持为彼此相对的不同的极。
    • 2. 发明申请
    • Optical switch device
    • 光开关器件
    • US20060245684A1
    • 2006-11-02
    • US10565339
    • 2004-08-03
    • Eiji FujisawaToshifuma TsurutaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • Eiji FujisawaToshifuma TsurutaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • G02B6/26
    • G02B6/3516G02B6/352G02B6/3548G02B6/3572G02B6/358
    • An optical switch device (1) of such a type that the coupled state of light guides is switched by moving a light reflective member capable of securely preventing a movable body with the light reflective member from being displaced and allowing a reduction in thickness, comprising a pressing member (41) switching the movable body (2) with a prism mirror (10) mounted thereon between a clamped state and an unclamped state, a twisted spring (60) energizing the pressing member in a clamping direction, and a magnetic drive circuit (45) for clamping driving the pressing member (41) in the unclamped state against the torsion spring (60). The magnetic drive circuit (45) for clamping further comprises a clamp coil (72) on the fixed member (13) side and clamp magnets (70, 71) on the pressing member (41) side. The clamp magnets (70, 71) are disposed so as to hold the clamp coil (72) from the inside and outside of the opening thereof with the different poles thereof opposed to each other.
    • 一种光开关装置(1),其通过移动能够可靠地防止具有光反射构件的可移动体的光反射构件来切换光导的耦合状态,并且允许减小厚度,包括 按压构件(41),其在安装在其上的棱镜(10)在夹紧状态和未夹紧状态之间切换可动体(2),沿着夹紧方向对按压构件施力的扭簧(60),以及磁驱动电路 (45),用于将所述按压构件(41)以未夹紧状态夹紧驱动所述扭簧(60)。 用于夹持的磁驱动电路(45)还包括在固定构件(13)侧上的夹紧线圈(72)和在按压构件(41)侧上的夹紧磁体(70,71)。 夹持磁体(70,71)被设置成将夹紧线圈(72)从其开口的内侧和外侧保持为彼此相对的不同的极。
    • 5. 发明申请
    • Optical switch
    • 光开关
    • US20070086697A1
    • 2007-04-19
    • US10555157
    • 2004-05-21
    • Ryo YamamotoIlirokazu TanakaMasayasu OnishiYoichi NakanishiRyuji KawamotoYuichi Suzuki
    • Ryo YamamotoIlirokazu TanakaMasayasu OnishiYoichi NakanishiRyuji KawamotoYuichi Suzuki
    • G02B6/26
    • G02B6/3582G02B6/32G02B6/352G02B6/3556G02B6/3572G02B6/358
    • To decrease an insertion loss by shortening an optical path length between an input side optical fiber and an output side optical fiber, and to decrease a stroke of a drive component. Input side optical fibers and a preliminary optical fiber arranged in parallel to one another and output side optical fibers arranged in parallel to one another are arranged in two stages, and a fixed prism 14 is arranged to be opposite to end surfaces of these. A preliminary optical fiber prism 15b is provided on one oblique surface of the fixed prism 14 to be opposite to a preliminary optical fiber 20, and a driven prism 15a can be made to come in contact with and separated from the one oblique surface of the fixed prism 14, and the driven prism 15a can be moved along the input side optical fibers. At a position where the driven prism 15a comes in contact with the oblique surface of the fixed prism 14, outgoing light from the input side optical fiber is not totally reflected at the oblique surface of the fixed prism 14, but is incident on the driven prism 15a, and after it is sent from the driven prism 15a to the preliminary optical fiber prism 15b, it is incident on the preliminary optical fiber 20 from the preliminary optical fiber prism 15b.
    • 通过缩短输入侧光纤和输出侧光纤之间的光路长度来减小插入损耗,并且减小驱动部件的行程。 输入侧光纤和彼此平行布置的预备光纤和彼此平行布置的输出侧光纤被布置成两级,并且固定棱镜14布置成与它们的端面相对。 预定光纤棱镜15b设置在与预备光纤20相对的固定棱镜14的一个倾斜表面上,并且从动棱镜15a可以与一个倾斜表面接触并从其分离 固定棱镜14和从动棱镜15a可以沿输入侧光纤移动。 在从动棱镜15a与固定棱镜14的倾斜表面接触的位置处,来自输入侧光纤的出射光在固定棱镜14的倾斜表面处不被全反射,而是被入射到被驱动 棱镜15a,从从动棱镜15a发送到预备光纤棱镜15b后,从预备光纤棱镜15b入射到预备光纤20上。
    • 6. 发明授权
    • Optical switch device
    • 光开关器件
    • US07194153B1
    • 2007-03-20
    • US10558334
    • 2004-05-26
    • Masao YajimaHidekazu YoneyamaSadayoshi YasudaYuji FujitaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • Masao YajimaHidekazu YoneyamaSadayoshi YasudaYuji FujitaRyuji KawamotoYoichi NakanishiYuichi Suzuki
    • G02B26/08
    • G02B6/3572G02B6/32G02B6/3548G02B6/358G02B26/0816
    • An optical switch device for driving a movable member mounting a light reflection member thereon by a magnetic drive circuit, wherein, in an optical waveguide switching device (1) as an optical switch device, a movable member (2) mounting thereon an optical waveguide switching prism mirror (2) is driven in an X direction by a magnetic drive circuit while being floated from a fixing-side member (13) in order to improve stability of a light outputting position. When the movable member (2) is moved to a desired position in the X direction, power supply to solenoids (45, 46) is stopped in a clamp mechanism (40), and a clamp plate (41) presses the movable member (2) against the fixing-side member (13) to fix it. A V-groove (30) formed in the movable member (2) and a V-groove (31) formed in the fixing-side member (13) mesh each other to position the movable member (2) in the X direction.
    • 一种用于驱动通过磁驱动电路安装光反射部件的可动部件的光开关装置,其中,在作为光开关装置的光波导切换装置(1)中,安装有光波导开关的可动部件(2) 棱镜(2)通过磁驱动电路在X方向上被驱动,同时从固定侧构件(13)浮起,以便提高光输出位置的稳定性。 当可动构件(2)在X方向移动到期望位置时,螺线管(45,46)的供电停止在夹紧机构(40)中,并且夹板(41)按压可动构件(2) )抵靠固定侧构件(13)固定。 形成在可动构件(2)中的V形槽(30)和形成在定影侧构件(13)中的V形槽(31)相互啮合,以将可动构件(2)定位在X方向上。
    • 7. 发明申请
    • Variable light attenuator
    • 可变光衰减器
    • US20060280421A1
    • 2006-12-14
    • US10566828
    • 2004-07-15
    • Hirokazu TanakaYoichi NakanishiRyuji KawamotoYuichi Suzuki
    • Hirokazu TanakaYoichi NakanishiRyuji KawamotoYuichi Suzuki
    • G02B6/26
    • G02B6/3524G02B6/266G02B6/32G02B6/359G02B6/3594G02B26/02
    • A lens array (38) is mounted on the front surface of an optical fiber array (32) holding optical fibers (35, 36) for input and emission. The lens array (38) includes: an input lens (40a) for converting a signal light (45) emitted from the optical fiber (35) into parallel light or converged light; and an output lens (40b) for converging the returned parallel light and connecting it to the optical fiber (36). A rectangular prism (34) having a form of a rectangular equilateral triangle is arranged in front of the optical fiber array (32) having the lens array (38). The signal light (45) emitted from the optical fiber (35) is totally reflected twice by the rectangular prism (34) and comes into the optical fiber (36). A transparent rectangular rotary block (33) is arranged between the lens array (38) and the rectangular prism (34). The outgoing signal light (45) and the returning signal light (45) have optical axis shifted by the rotary block (33) where the signal light passes. With this structure, it is possible to obtain a small-size variable light attenuator having a high control accuracy of the attenuation quantity of the signal light and a high resolution.
    • 透镜阵列(38)安装在保持用于输入和发射的光纤(35,36)的光纤阵列(32)的前表面上。 透镜阵列(38)包括:用于将从光纤(35)发射的信号光(45)转换成平行光或会聚光的输入透镜(40a); 以及用于会聚返回的平行光并将其连接到光纤(36)的输出透镜(40a)。 具有矩形等边三角形形状的矩形棱镜(34)布置在具有透镜阵列(38)的光纤阵列(32)的前面。 从光纤(35)发射的信号光(45)由矩形棱镜(34)全反射两次并进入光纤(36)。 在透镜阵列(38)和矩形棱镜(34)之间布置透明矩形旋转块(33)。 输出信号光(45)和返回信号光(45)具有由信号光通过的旋转块(33)移动的光轴。 利用这种结构,可以获得信号光的衰减量的高控制精度和高分辨率的小尺寸可变光衰减器。
    • 8. 发明申请
    • Monitoring device
    • 监控设备
    • US20060209396A1
    • 2006-09-21
    • US10564793
    • 2004-07-12
    • Hirokazu TanakaTetsuya OnishiRyuji Kawamoto
    • Hirokazu TanakaTetsuya OnishiRyuji Kawamoto
    • H01S3/00
    • G02B6/4214G02B6/34
    • [Object] A monitoring device for precisely taking out light for a monitor and having a simple structure and able to be made compact is provided. [Means for Resolution] A lens array 17 is attached to the tip face of an optical fiber array 12 holding optical fibers 14, 15 in parallel. A lens 19 is arranged in the lens array 17 so as to be opposed to the end face of each of the optical fibers 14, 15. A triangular prism 13 is arranged in front of the lens array 17. An incident-emitting face 22 of the triangular prism 13 is inclined with respect to the lens array 17. Signal light L emitted from the optical fiber 14 is converted into parallel light by the lens 19, and is incident to the triangular prism 13. After the signal light L is then totally reflected on the reflecting face 20, the signal light L is incident to a reflecting face 21. The incident angle of the signal light L incident to the reflecting face 21 is slightly smaller than a critical angle of the total reflection. The signal light L is leaked from the reflecting face 21 to the exterior by a constant ratio κ. Accordingly, the amount of the signal light L can be calculated by measuring this leak light La.
    • 提供了一种用于精确地取出监视器的光并且具有简单结构并且能够被制造成小型化的监视装置。 [分辨装置]透镜阵列17被并入保持光纤14,15的光纤阵列12的前端面。 透镜19配置在透镜阵列17中,以与光纤14,15的端面相对。 三角形棱镜13布置在透镜阵列17的前面。 三角形棱镜13的入射发射面22相对于透镜阵列17倾斜。 从光纤14发射的信号光L被透镜19转换为平行光,并入射到三角棱镜13。 在信号光L然后在反射面20上被全反射之后,信号光L入射到反射面21。 入射到反射面21的信号光L的入射角略小于全反射的临界角。 信号光L从反射面21向外部以恒定比例kappa泄漏。 因此,可以通过测量该泄漏光La来计算信号光L的量。