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304 条记录 (耗时 0.041 秒)

    Optical transmitter
    51.
    发明申请
    Optical transmitter 有权
    光发射机

    公开(公告)号：US20070110453A1

    公开(公告)日：2007-05-17

    申请号：US11364054

    申请日：2006-03-01

    申请人： Suguru Akiyama ,  Tsuyoshi Yamamoto

    发明人： Suguru Akiyama ,  Tsuyoshi Yamamoto

    IPC分类号： H04B10/04

    CPC分类号： H04B10/58 ,  G02B6/12004 ,  G02B6/12007 ,  G02F1/3519 ,  H01S5/0078 ,  H04B10/25 ,  H04B10/503 ,  H04B10/504

    摘要： In an optical transmitter comprising a directly modulated laser and a wavelength filter provided on a post-stage of the directly modulated laser, the wavelength filter has a modulated light input port for inputting modulated light output from the directly modulated laser, a filter transmitted light output port for outputting light having a wavelength included in a filter transmission band among the modulated light as filter transmitted light, and a filter cutoff light output port provided separately from the modulated light input port and the filter transmitted light output port and outputting light having a wavelength included in a filter cutoff band among the modulated light as filter cutoff light, and the peak of the filter transmission band is set on a shorter-wave side from the peak of the spectrum of modulated light output from the directly modulated laser.

    摘要翻译： 在包括直接调制激光器和设置在直接调制激光器的后级上的波长滤波器的光发射机中，波长滤波器具有用于输入从直接调制的激光器输出的调制光的调制光输入端口，滤波器透射光输出 用于输出调制光中包括在滤波器传输频带中的波长的光作为滤波器透射光的端口，以及与调制光输入端口和滤光透射光输出端口分离设置的滤光器截止光输出端口，并输出具有波长 被包含在作为滤波器截止光的调制光中的滤波器截止频带中，并且滤波器传输频带的峰值被设置在从直接调制的激光器输出的调制光谱的峰值的较短波侧。

    Wavelength selector switch
    53.
    发明申请
    Wavelength selector switch 有权
    波长选择开关

    公开(公告)号：US20060239607A1

    公开(公告)日：2006-10-26

    申请号：US11473117

    申请日：2006-06-23

    申请人： Tsuyoshi Yamamoto ,  Shinji Taniguchi

    发明人： Tsuyoshi Yamamoto ,  Shinji Taniguchi

    IPC分类号： G02B6/26 ,  G02B6/34 ,  G02B27/14

    CPC分类号： G02B6/2713 ,  G02B6/272 ,  G02B6/2766 ,  G02B6/2931 ,  G02B6/29311 ,  G02B6/29358 ,  H04Q11/0005 ,  H04Q2011/0015 ,  H04Q2011/0026 ,  H04Q2011/0035

    摘要： A wavelength selector switch includes first and second refracting plates, an optical splitter, first and second optical systems, an optical coupler polarization controller, and second refracting plate. The first refracting plate refracts the second wavelength-multiplexed light beam. The optical splitter spatially splits into a plurality of wavelength components light beams. The first optical system changes the wavelength components into parallel light beams. The polarization controller selectively changes a polarization angle of each of the parallel light beams. The second optical system condenses the parallel light beams. The optical coupler multiplexes into a third wavelength-multiplexed light beam the parallel light beams condensed. The second refracting plate directs wavelength components of the third wavelength-multiplexed light beam to the first and second optical output ports depending on their polarization angles.

    摘要翻译： 波长选择开关包括第一和第二折射板，光分路器，第一和第二光学系统，光耦合器偏振控制器和第二折射板。 第一折射板折射第二波长复用光束。 光分路器在空间上分裂成多个波长分量光束。 第一光学系统将波长分量改变为平行光束。 偏振控制器选择性地改变每个平行光束的偏振角。 第二光学系统凝结平行光束。 光耦合器将平行光束聚光到第三波长复用光束中。 第二折射板根据其偏振角将第三波长复用光束的波长成分引导到第一和第二光输出端口。

    Optical semiconductor device and fabrication method thereof
    54.
    发明申请
    Optical semiconductor device and fabrication method thereof 失效

    公开(公告)号：US20060219996A1

    公开(公告)日：2006-10-05

    申请号：US11244387

    申请日：2005-10-06

    申请人： Tsuyoshi Yamamoto ,  Mitsuru Ekawa

    发明人： Tsuyoshi Yamamoto ,  Mitsuru Ekawa

    IPC分类号： H01L31/00 ,  H01L29/06

    CPC分类号： B82Y20/00 ,  H01S5/2205 ,  H01S5/227 ,  H01S5/34313 ,  H01S5/34366

    摘要： In order to prevent As/P replacement at the boundary face of a re-grown semiconductor layer and avoid a crystalline defect caused by the replacement, there is provided an optical semiconductor device comprising: a semiconductor substrate; a striped stacking body including a first semiconductor layer, an active layer, and a second semiconductor layer; and a burying layer burying the striped stacking body striped stacking body, wherein surfaces in contact with a side face and a bottom face of the burying layer are made of a compound semiconductor that contains arsenic (As) alone as a group V element, and a portion other than the surface includes a group V element other than arsenic.

    Microcomputer and encoding system for instruction code and CPU
    55.
    发明申请
    Microcomputer and encoding system for instruction code and CPU 有权
    微机和编码系统的指令代码和CPU

    公开(公告)号：US20060161763A1

    公开(公告)日：2006-07-20

    申请号：US11330237

    申请日：2006-01-12

    申请人： Naoki Ito ,  Masahiro Kamiya ,  Hideaki Ishihara ,  Kenji Yamada ,  Tsuyoshi Yamamoto

    发明人： Naoki Ito ,  Masahiro Kamiya ,  Hideaki Ishihara ,  Kenji Yamada ,  Tsuyoshi Yamamoto

    IPC分类号： G06F9/44

    CPC分类号： G06F9/3851 ,  G06F9/30003 ,  G06F9/30018 ,  G06F9/30021 ,  G06F9/30032 ,  G06F9/30072 ,  G06F9/30094 ,  G06F9/30145 ,  G06F9/30167 ,  G06F9/30185 ,  G06F9/3552 ,  G06F11/0721 ,  G06F11/0751

    摘要： A microcomputer that can process plural tasks time-divisionally and in parallel, wherein one of a plural programs described by one of the tasks is described as a looped specific task in which the increment of program addresses is fixed, a program counter is usable as a timer counter, a peripheral function instruction is described in the specific task, the peripheral function instruction is set so as to indicate one or more general-purpose registers as an operand. The CPU executes the peripheral function instruction as one instruction and achieves information needed to execute the instruction by a general-purpose register and stores the execution result into the general-purpose registers. An instruction code encoding system includes an operation code and plural operands for indicating operation targets of an instruction in an instruction code and executing an instruction indicated by the operation code on the operation targets. When the operation targets indicated by the plural operands are set to a combination in which an execution result does not vary, the processing corresponding to an instruction different is executed.

    摘要翻译： 一种可以分时和并行地处理多个任务的微计算机，其中由任务之一描述的多个程序中的一个被描述为循环的特定任务，其中程序地址的增量是固定的，程序计数器可用作 定时器计数器，在特定任务中描述外设功能指令，外设功能指令被设置为指示一个或多个通用寄存器作为操作数。 CPU作为一个指令执行外围功能指令，并实现由通用寄存器执行指令所需的信息，并将执行结果存储到通用寄存器中。 指令代码编码系统包括操作代码和用于指示指令代码中的指令的操作目标的多个操作数，并且执行由操作对象上的操作代码指示的指令。 当由多个操作数指示的操作目标被设置为执行结果不变化的组合时，执行与不同指令相对应的处理。

    Unauthorized-alteration detecting method, unauthorized-alteration detecting program, and recording medium having recorded the program
    56.
    发明申请
    Unauthorized-alteration detecting method, unauthorized-alteration detecting program, and recording medium having recorded the program 失效
    未经授权的变更检测方法，未经授权的变更检测程序，以及已记录程序的记录介质

    公开(公告)号：US20060159273A1

    公开(公告)日：2006-07-20

    申请号：US10531584

    申请日：2003-10-28

    申请人： Naofumi Aoki ,  Hideaki Tamori ,  Tsuyoshi Yamamoto

    发明人： Naofumi Aoki ,  Hideaki Tamori ,  Tsuyoshi Yamamoto

    IPC分类号： H04K1/00

    CPC分类号： G06T1/0042 ,  G06T2201/0051 ,  G06T2201/0052 ,  G06T2201/0061 ,  H04N1/32144 ,  H04N1/32154 ,  H04N1/32331

    摘要： A false alteration detecting method using an electronic watermark method of fragile type by number theoretic transform. A processing section sets parameters P, N, α of number theoretic transform (S101), and reads original image blocks fi,j(x,y) (S103), conducts number theoretic transform of fi,j(x,y) to calculate the number theoretic transform blocks Fi,j(x,y) (S105), determines the position (x′,y′) at which a signature image is to be embedded by using a randomizing function (S107), reads pixel values gi,j of the signature image for embedment from a storage section (S109), determines the embedment value δ of each block from the Fi,j(x′,y′) of the embedment position and gi,j (S111), adds the embedment value δ to the Fi,j(x,y) or subtracts the embedment value δ from the Fi,j(x,y) to determine the number theoretic transform blocks Hi,j(x,y) of the embedded image block (S113), calculates the inverse number theoretic transform of the Hi,j(x,y), determines the embedded image blocks hi,j(x,y), stores them, and outputs them to an output section.

    摘要翻译： 一种使用数字理论变换的脆弱型电子水印方法的虚假变更检测方法。 处理部分设定数理论变换的参数P，N，α（S 101），并且读取原始图像块f i，j（x，y）（S103），进行数理论变换 （x，y），以计算数理论变换块F i，j（x，y）（S105），确定位置（x' ，y'），通过使用随机化函数来嵌入签名图像（S107），从存储部读取用于嵌入的签名图像的像素值g i，j， ），从嵌入位置的F i，j（x'，y'）确定每个块的嵌入值增量，并且g i，j（S 111） 将嵌入值增量添加到F i，j（x，y），或从F i i，j（x，y）中减去嵌入值增量以确定 嵌入图像块的数理论变换块H i，j（x，y）计算H i，j i，j（x，y）的倒数理论变换， （x，y），确定嵌入的im （x，y）存储它们，并将它们输出到输出部分。

    Semiconductor laser and manufacturing method thereof
    57.
    发明申请
    Semiconductor laser and manufacturing method thereof 有权
    半导体激光器及其制造方法

    公开(公告)号：US20060120421A1

    公开(公告)日：2006-06-08

    申请号：US11113054

    申请日：2005-04-25

    申请人： Manabu Matsuda ,  Tsuyoshi Yamamoto

    发明人： Manabu Matsuda ,  Tsuyoshi Yamamoto

    IPC分类号： H01S5/00

    CPC分类号： H01S5/227 ,  B82Y20/00 ,  H01S5/0421 ,  H01S5/0425 ,  H01S5/12 ,  H01S5/1231 ,  H01S5/1237 ,  H01S5/2223 ,  H01S5/2224 ,  H01S5/2231 ,  H01S5/3434 ,  H01S5/34373

    摘要： In a semiconductor laser, in order to realize a desired oscillation wavelength efficiently by adjusting the oscillation wavelength of the laser with sufficient accuracy even when the oscillation wavelength of a manufactured laser deviates from a design value, for example, due to the manufacturing errors and the like in the manufacturing of the laser, there is provided a semiconductor laser comprising a semiconductor substrate, a semiconductor stacking body including a waveguide formed on the semiconductor substrate, and a diffraction grating, wherein the diffraction grating is formed along the waveguide so as to appear in the surface of the semiconductor stacking body.

    摘要翻译： 在半导体激光器中，即使制造的激光器的振荡波长例如由于制造误差而偏离设计值，为了通过以足够的精度调整激光的振荡波长来有效地实现期望的振荡波长， 像制造激光器一样，提供了一种包括半导体衬底的半导体激光器，包括形成在半导体衬底上的波导的半导体堆叠体和衍射光栅，其中衍射光栅沿着波导形成以便出现 在半导体堆叠体的表面。

    Optical fiber array
    59.
    发明授权
    Optical fiber array 有权
    光纤阵列

    公开(公告)号：US06978073B2

    公开(公告)日：2005-12-20

    申请号：US10323485

    申请日：2002-12-18

    申请人： Tsuyoshi Yamamoto ,  Yuji Uenishi ,  Johji Yamaguchi

    发明人： Tsuyoshi Yamamoto ,  Yuji Uenishi ,  Johji Yamaguchi

    IPC分类号： G02B6/35 ,  G02B6/36

    CPC分类号： G02B6/3644 ,  G02B6/3556 ,  G02B6/3582 ,  G02B6/3652 ,  G02B6/3672 ,  G02B6/3676 ,  G02B6/3696

    摘要： An optical fiber array includes an alignment substrate, a plurality of ferrules, and a plurality of optical fibers. The alignment substrate has a plurality of guide holes which are two-dimensionally arrayed and extend through the substrate. The ferrules are respectively inserted into the guide holes in the same direction and have through holes in the central portions. The optical fibers are fitted and held in the respective through holes. The guide hole is formed into a cylindrical shape having a diameter substantially equal to the outer diameter of the ferrule. The light incident/exit end face of the optical fiber is exposed on one end face of the ferrule.

    摘要翻译： 光纤阵列包括对准基板，多个套圈和多根光纤。 对准基板具有二维排列并延伸穿过基板的多个引导孔。 套圈分别以相同的方向插入导向孔中并在中心部分具有通孔。 光纤被安装并保持在相应的通孔中。 导向孔形成为直径基本上等于套圈外径的圆柱形。 光纤的光入射/出射端面露出在套圈的一个端面上。