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    • 4. 发明授权
    • Optical communication system
    • 光通信系统
    • US4511208A
    • 1985-04-16
    • US439547
    • 1982-11-05
    • Takeshi OzekiToshifumi Tamura
    • Takeshi OzekiToshifumi Tamura
    • G02B6/28H04B10/213G02B5/14
    • G02B6/2848G02B6/2817
    • An optical communication system includes a plurality of stations and at least two passive optical couplers. Each of the couplers has at least four pairs of ports, each pair including an input port and an output port. An optical signal inputted to any one of the input ports is outputted to all of the output ports except the output port of the pair into which the optical signal was inputted. A plurality of optical signal transmission lines interconnect the passive optical couplers and connect the passive optical couplers to the stations. Passive optical couplers of both the transmission type and the reflection type are disclosed. The transmission type passive optical couplers rely either upon the direct interconnection of the appropriate input ports and output ports or upon diffraction to guide optical signals to the correct output ports. The reflection type passive optical couplers rely upon a diffraction grating or a plurality of reflective surfaces to direct incoming optical signals to the appropriate output ports.
    • 光通信系统包括多个站和至少两个无源光耦合器。 每个耦合器具有至少四对端口,每对端口包括输入端口和输出端口。 输入到任何一个输入端口的光信号被输出到除了输入光信号的对的输出端口之外的所有输出端口。 多个光信号传输线将无源光耦合器互连并将无源光耦合器连接到站。 公开了透射型和反射型的无源光耦合器。 传输类型的无源光耦合器依赖于适当的输入端口和输出端口的直接互连或者在衍射时将光信号引导到正确的输出端口。 反射型无源光耦合器依靠衍射光栅或多个反射表面将光信号引导到适当的输出端口。
    • 8. 发明申请
    • EXAMINATION-DATA PROCESSING APPARATUS AND EXAMINATION SYSTEM
    • 检验数据处理设备和检查系统
    • US20080306766A1
    • 2008-12-11
    • US12134666
    • 2008-06-06
    • Takeshi OzekiTakashi Masuzawa
    • Takeshi OzekiTakashi Masuzawa
    • G06Q50/00
    • G06F19/321A61B6/507G06Q10/06G06Q50/22G16H15/00G16H40/20
    • An examination system comprises an examination apparatus 1 and a workstation 10. The examination apparatus 1 executes an examination on a patient to acquire a plurality of examination data and acquire an examination time of each of the examination data. The workstation 10 creates a procedure log that associates a procedure item executed on the patient with a procedure time thereof. The workstation 10 displays a chronological display screen 100 on a display 13 based on the procedure log and an examination time. An operator operates an operation part 14 to designate a procedure item in the chronological display screen 100. The workstation 10 extracts partial data within a range that corresponds to the designated procedure item from each of the examination data based on the examination time and the procedure log, and synchronizes and displays the extracted partial data on the display 13.
    • 检查系统包括检查装置1和工作站10.检查装置1对患者执行检查以获取多个检查数据并获取每个检查数据的检查时间。 工作站10创建将病人执行的过程项与其过程时间相关联的过程日志。 工作站10基于过程日志和检查时间在显示器13上显示按时间顺序的显示屏幕100。 操作员操作操作部分14以指定时间显示屏幕100中的过程项目。工作站10基于检查时间和过程日志从每个检查数据中提取与指定的过程项目相对应的范围内的部分数据 并且在显示器13上同步并显示所提取的部分数据。
    • 9. 发明申请
    • Polarization mode dispersion measuring device, method, recording medium
    • 极化模式色散测量装置,方法,记录介质
    • US20050052638A1
    • 2005-03-10
    • US10491787
    • 2002-10-09
    • Takeshi OzekiTomoyu YamashitaMotoki Imamura
    • Takeshi OzekiTomoyu YamashitaMotoki Imamura
    • G01M11/02G01M11/00G01J4/00
    • G01M11/333G01M11/336
    • A polarization mode dispersion measuring device reduced in time required to measure polarization mode dispersion τPMD. A polarization controller (12) allows a first (second) incident light to apply a synthetic incident light to an object to be measured (30) in line with a p-polarization axis (s-polarization axis) in a polarization separator (16). Accordingly, the phase shift equivalent value (optical angle frequency differentiation) and amplitude equivalent value (square value) of a first incident light component (second incident light component) in an output from the polarization separator (16) measured by a first measuring unit (20a) (second measuring unit (20b)) are respectively the phase shift equivalent value and amplitude equivalent value of a first column T11, T21 (second column T12, T22) when the transfer function matrix of the object to be measured (30) is a 2×2 matrix to thereby allow a control unit (2) to determine the polarization mode dispersion r PMD of the object to be measured (30). Since there is no need of switching the orientation setting of light output from the polarization controller (12) with the setting left fixed, time required to measure polarization mode dispersion τPMD can be shortened.
    • 偏振模色散测量装置减少测量偏振模色散τPMD所需的时间。 偏振控制器(12)允许第一(第二)入射光根据偏振分离器(16)中的p偏振轴(s偏振轴)将合成入射光施加到待测量对象(30) 。 因此,由第一测量单元测量的偏振分离器(16)的输出中的第一入射光分量(第二入射光分量)的相移等效值(光学角度频率微分)和振幅等效值(平方值) 20a)(第二测量单元(20b))分别是当被测量对象(30)的传递函数矩阵为(30)时的第一列T11,T21(第二列T12,T22)的相移等效值和振幅当量值 2×2矩阵,从而允许控制单元(2)确定被测量物体的偏振模色散r PMD(30)。 由于不需要将固定的偏振控制器(12)的光的输出的取向设置切换,所以可以缩短测量偏振模色散τPMD所需的时间。
    • 10. 发明授权
    • Digital signal exchange equipment
    • 数字信号交换设备
    • US5276439A
    • 1994-01-04
    • US969519
    • 1992-10-30
    • Takehiko AtsumiHiroyuki IbeTaro ShibagakiTakeshi Ozeki
    • Takehiko AtsumiHiroyuki IbeTaro ShibagakiTakeshi Ozeki
    • H04Q11/04H04B3/38
    • H04Q11/04
    • A digital signal exchange equipment is disclosed which is constructed of a combination of selector modules each constituted by a plurality of gate arrays as a parallel unit in a column direction. The respective gate array comprises a first gate for selecting one line from an n number of first input lines and connecting it to an output line, a second gate for selecting one line from an output line of the first gate and one second input line and connecting it to the second gate and a flip-flop for wave-shaping an output of the second gate and, at the same time, taking synchronization among the respective gate array. The selector module as set forth above is constructed of a semiconductor circuit device. When, in particular, a plurality of selector modules are combined together, they are arranged as a k-column/l-row array in which input bus lines are each connected to each common row and an n number of output lines are connected for each row to an n number of second input lines of the next-row selector module.
    • 公开了一种数字信号交换设备,其由选择器模块的组合构成,每个选择器模块由沿列方向的并联单元的多个门阵列构成。 相应的门阵列包括用于从n个第一输入线选择一条线并将其连接到输出线的第一栅极,用于从第一栅极的输出线选择一条线的第二栅极和一个第二输入线和连接 它到第二栅极和用于对第二栅极的输出进行波形整形的触发器,并且同时在各个栅极阵列之间取得同步。 如上所述的选择器模块由半导体电路器件构成。 特别地,将多个选择器模块组合在一起时,它们被布置为k列/ l行阵列,其中输入总线各自连接到每个公共行,并且每个连接n个输出线 行到下一行选择器模块的n个第二输入行。