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    • 51. 发明申请
    • DEMODULATOR AND RECEIVING DEVICE
    • 解调器和接收装置
    • US20100129089A1
    • 2010-05-27
    • US12621949
    • 2009-11-19
    • Takashi ShimizuKoji TeradaKiyomi NaritaKazuyuki Mori
    • Takashi ShimizuKoji TeradaKiyomi NaritaKazuyuki Mori
    • H04B10/06
    • H04B10/677
    • A demodulator includes: a splitter that branches a differential phase shift keying optical signal into a first branched optical signal passing through a first optical path and a second branched optical signal passing through a second optical path; a multiplexer that multiplexes the first branched optical signal having passed through the first optical path and the second branched optical signal having passed through the second optical path and makes interference between the first branched optical signal and the second branched optical signal; and a double refraction medium that reduces difference between phase differences between each polarized wave between the first branched optical signal and the second branched optical signal multiplexed by the multiplexer.
    • 解调器包括:分离器,其将差分相移键控光信号分支成通过第一光路的第一分支光信号和通过第二光路的第二分支光信号; 复用多路复用器,其经过第一光路的第一分支光信号和穿过第二光路的第二分支光信号,并使第一分支光信号和第二分支光信号之间产生干涉; 以及双折射介质,其减小由所述多路复用器复用的所述第一分支光信号与所述第二分支光信号之间的每个极化波之间的相位差之间的差异。
    • 53. 发明授权
    • Wavelength selective and level adjusting optical device
    • 波长选择和电平调整光学器件
    • US07428355B2
    • 2008-09-23
    • US11752740
    • 2007-05-23
    • Koji TeradaHaruhiko TabuchiKohei ShibataTerukazu Naruse
    • Koji TeradaHaruhiko TabuchiKohei ShibataTerukazu Naruse
    • G02B6/34G02B6/26G02B6/42
    • G02B6/12019G02B6/12016G02B6/12023G02B6/12026G02B6/3512G02B6/3516G02B6/355G02B6/3552G02B6/356G02B6/3566G02B6/3594G02F1/313H04J14/0212
    • An optical device enabling reducing device scale is constituted by M circulators (11a, 11b), (M being a natural number), a waveguide-type diffraction grating (12) including M first input/output waveguides (121a, 121b) formed at its one end and M×N second input/output waveguides (125a-1 to 125a-N and 125b-1 to 125b-N) formed at the other end, (N being a natural number), and paths from the M circulators being connected to the M first input/output waveguides; and N reflection-type optical switches (13-1 to 13-N) each for reflecting the optical paths for M adjacent waveguides out of the M×N second input/output waveguides(125a-1 to 125a-N and 125b-1 to 125b-N) and for switching over the returning-destination waveguide respectively, wherein the M circulators, the waveguide-type diffraction grating and N reflection-type optical switches are arranged in cascade. Consequently, the optical device can function preferably also as a wavelength selective optical switch available in a WDM transmission system.
    • 能够减小装置规模的光学装置由M个循环器(11a,11b),(M是自然数)构成,波导型衍射光栅(12)包括M个第一输入/输出波导(121a,121b )和在另一端形成的MxN个第二输入/输出波导(125a-1至125aN和125b-1至125bN),(N为自然数),以及来自M个循环器 连接到M个第一输入/输出波导; 和N个反射型光开关(13-1至13-N),用于将M个相邻波导的光路反射出M×N个第二输入/输出波导(125a-1至125aN和125b-1至125) bN)并分别切换返回目的地波导,其中M个循环器,波导型衍射光栅和N个反射型光开关被级联布置。 因此,光学装置可以优选地也可以用作WDM传输系统中可用的波长选择光开关。
    • 54. 发明申请
    • Wavelength superimposing device, manufacturing method therefor, and WDM network system
    • 波长叠加装置及其制造方法和WDM网络系统
    • US20080069566A1
    • 2008-03-20
    • US11655177
    • 2007-01-19
    • Kazuyuki MoriKoji Terada
    • Kazuyuki MoriKoji Terada
    • H04J14/02
    • H04J14/0226H04J14/0201H04J14/0227H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282H04Q11/0067H04Q2011/0035
    • The present invention is a wavelength superimposing device that can restrain a system scale and further reduce an optical transmission loss, while broadcasting a video signal light in a WDM network system, a manufacturing method therefor, and the WDM network system, and comprises a filter device that reflects some light of an input wavelength-multiplexed light in a direction different from an optical path direction of the input wavelength-multiplexed light and transmits a light of remaining wavelengths, a first optical system in which a reflected light reflected by the filter device is re-incident on a plurality of incident positions on a reflecting surface of the filter device, and a second optical system in which a transmitted light from the filter device is spectrally separated for each wavelength and each separated light is incident on the plurality of incident positions from a transmission surface of the filter device.
    • 本发明是一种在WDM网络系统中广播视频信号光,其制造方法和WDM网络系统的同时能够抑制系统规模并进一步降低光传输损耗的波长叠加装置,并且包括滤波装置 其反射在与输入波长多路复用光的光路方向不同的方向上的输入波长多路复用光的一些光,并且发射剩余波长的光,其中由滤光器装置反射的反射光为的第一光学系统 重新入射到过滤器装置的反射表面上的多个入射位置,以及第二光学系统,其中来自过滤器装置的透射光在每个波长下被光谱分离,并且每个分离的光入射到多个入射位置 从过滤装置的传输表面。
    • 56. 发明授权
    • Optical device
    • 光学装置
    • US07239770B2
    • 2007-07-03
    • US11140366
    • 2005-05-27
    • Koji TeradaHaruhiko TabuchiKohei ShibataTerukazu Naruse
    • Koji TeradaHaruhiko TabuchiKohei ShibataTerukazu Naruse
    • G02B6/26G02B6/42
    • G02B6/12019G02B6/12016G02B6/12023G02B6/12026G02B6/3512G02B6/3516G02B6/355G02B6/3552G02B6/356G02B6/3566G02B6/3594G02F1/313H04J14/0212
    • An optical device enabling reducing device scale is constituted by M circulators (11a, 11b), (M being a natural number), a waveguide-type diffraction grating (12) including M first input/output waveguides (121a, 121b) formed at its one end and M×N second input/output waveguides (125a-1 to 125a-N and 125b-1 to 125b-N) formed at the other end, (N being a natural number), and paths from the M circulators being connected to the M first input/output waveguides; and N reflection-type optical switches (13-1 to 13-N) each for reflecting the optical paths for M adjacent waveguides out of the M×N second input/output waveguides (125a-1 to 125a-N and 125b-1 to 125b-N) and for switching over the returning-destination waveguide respectively, wherein the M circulators, the waveguide-type diffraction grating and N reflection-type optical switches are arranged in cascade. Consequently, the optical device can function preferably also as a wavelength selective optical switch available in a WDM transmission system.
    • 能够减小装置规模的光学装置由M个循环器(11a,11b),(M是自然数)构成,波导型衍射光栅(12)包括M个第一输入/输出波导(121a,121b )和在另一端形成的MxN个第二输入/输出波导(125a-1至125aN和125b-1至125bN),(N为自然数),以及来自M个循环器 连接到M个第一输入/输出波导; 和N个反射型光开关(13-1至13-N),用于将M个相邻波导的光路反射出M×N个第二输入/输出波导(125a-1至125aN和125b-1至125) bN)并分别切换返回目的地波导,其中M个循环器,波导型衍射光栅和N个反射型光开关被级联布置。 因此,光学装置可以优选地也可以用作WDM传输系统中可用的波长选择光开关。
    • 57. 发明授权
    • Multicylinder internal combustion engine
    • 多缸内燃机
    • US07100562B2
    • 2006-09-05
    • US11071456
    • 2005-03-04
    • Koji TeradaOsamu EmizuRyushi TsubotaNoboru YamashitaYoshiyuki Kasai
    • Koji TeradaOsamu EmizuRyushi TsubotaNoboru YamashitaYoshiyuki Kasai
    • F02F7/00
    • F01M1/12
    • A V-type, multicylinder internal combustion engine with multiple isolated crank chambers formed by partitioning a space inside of a crankcase with multiple support walls for supporting a crankshaft, and multiple oil outlet holes, respectively communicating with the isolated crank chambers to separately discharge oil from the multiple isolated crank chambers, uses a single scavenging pump to discharge the oil from the isolated crank chambers rather than connecting multiple scavenging pumps, respectively, to the oil outlet holes. The engine includes an oil collecting pan mounted on a bottom wall of a crank chamber covering the multiple oil outlet holes respectively communicating with the multiple isolated crank chambers for collecting the oil passed through the oil outlet holes. The oil collecting pan has an oil reservoir with an oil outlet opening, and a single scavenging pump for drawing the oil stored in the oil collecting pan through the oil outlet opening.
    • 具有多个隔离曲柄室的V型多缸内燃机,其通过将曲轴箱内部的空间分隔成多个用于支撑曲轴的支撑壁和多个出油孔而形成,所述多个支撑壁分别与分离的曲柄室连通,以将油从 多个分离的曲柄室使用单个扫气泵从分离的曲柄室排出油,而不是分别将多个清空泵连接到出油孔。 该发动机包括安装在曲柄室的底壁上的集油盘,其覆盖分别与多个隔离曲柄室连通的多个出油孔,以收集通过出油孔的油。 集油盘具有带有出油口的储油器,以及用于通过出油口抽吸储存在集油盘中的油的单个扫气泵。
    • 59. 发明授权
    • Numerical control device
    • 数控装置
    • US09417620B2
    • 2016-08-16
    • US14425564
    • 2012-12-04
    • Koji TeradaMasakazu Sagasaki
    • Koji TeradaMasakazu Sagasaki
    • G06F19/00G05B19/19G05B19/4093B23B3/16B23Q1/52
    • G05B19/19B23B3/162B23Q1/52B23Q2220/002G05B19/4093G05B2219/34015
    • A numerical control device controls a machine tool having an X axis for moving a turret to which tools are attached, a Z axis for moving work, and a B axis for rotating the turret and having at least one of an H axis for rotating the turret around a center line perpendicular to the center line of rotation of the B axis and a C axis for rotating the work around a center line parallel to the Z axis. The numerical control device includes a unit that performs, during an virtual Y-axis inclined surface machining mode, virtual Y inclined surface machining for moving the tool along the Y axis relatively to the inclined surface in a state in which the tool is inclined such that a center axis is perpendicular to an inclined surface inclined from the X axis and the Z axis.
    • 数控装置控制具有X轴的机床,用于移动安装有工具的转塔,用于移动工件的Z轴和用于旋转转盘的B轴,并具有用于旋转转台的H轴中的至少一个 围绕垂直于B轴的旋转中心线的中心线和用于围绕平行于Z轴的中心线旋转工件的C轴。 该数控装置包括:在虚拟Y轴倾斜面加工模式期间,在工具倾斜的状态下,相对于倾斜面沿着Y轴移动刀具的虚拟Y倾斜面加工, 中心轴垂直于从X轴和Z轴倾斜的倾斜表面。
    • 60. 发明授权
    • Numerical control device configured to reduce a machining cycle time of a machine tool that does not move along Y-axis
    • 数字控制装置配置为减少不沿Y轴移动的机床的加工周期时间
    • US09304503B2
    • 2016-04-05
    • US13821904
    • 2012-05-28
    • Koji TeradaMasakazu Sagasaki
    • Koji TeradaMasakazu Sagasaki
    • G05B19/18
    • G05B19/182G05B2219/49118
    • A numerical control device controls a machine tool that includes a turret to which a tool is attached, the turret being configured to move along an X-axis and rotate on an H-axis, and further includes a workpiece rotatable on a C-axis. There is no direct movement of the machine tool along a Y-axis that is orthogonal to the X-axis. The numerical control device includes an analyzer that analyzes a y-axis rapid-traverse command in a Y-axis interpolation mode; a C-axis interpolation processor that interpolates a C-axis rotation angle range in response to the analyzed Y-axis rapid-traverse command; and an X-axis interpolation processor that interpolates an X-axis position based on the interpolated C-axis rotation angle range, where the numerical control device rotates the C-axis movement at a constant velocity during the entire C-axis rotation angle range, and accelerates an X-axis velocity of the turret accordingly, to thereby perform an operation.
    • 一个数控装置控制一个机床,它包括一个工具所连接的转塔,转台被配置成沿X轴移动并在H轴上旋转,还包括一个可在C轴上旋转的工件。 机床沿着与X轴正交的Y轴不会直接移动。 该数控装置包括分析器,其以Y轴插补模式分析y轴快速移动指令; C轴插补处理器,其响应于所分析的Y轴快速移动指令来内插C轴旋转角度范围; 以及X轴插补处理器,其基于内插的C轴旋转角度范围内插X轴位置,在该C轴旋转角度范围内,数控装置在整个C轴旋转角度范围内以恒定的速度旋转C轴运动, 并相应地加速转台的X轴速度,从而进行操作。