公开(公告)号：US07835268B2

公开(公告)日：2010-11-16

申请号：US11493100

申请日：2006-07-25

申请人： Keiji Tanaka

发明人： Keiji Tanaka

IPC分类号： G01R31/08 ,  G02F1/00

CPC分类号： H04J14/0291 ,  H04B10/032 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04J14/0297 ,  H04Q11/0067 ,  H04Q2011/0081

摘要： An optical termination system is provided. The optical termination system includes a working Optical Line Terminal (OLT) that communicates with a plurality of Optical Network Units (ONUs) near end users through an optical transmission line. The OLT includes a control information storage to store control information of the plurality of ONUs. In addition, the optical termination system includes a standby OLT, which includes a storage to store the control information to be transmitted from the working OLT. Furthermore, the optical termination system includes a controller that controls switching from the working OLT to the standby OLT.

摘要翻译： 提供光终端系统。 光终端系统包括通过光传输线路与终端用户附近的多个光网络单元（ONU）进行通信的工作的光线路终端（OLT）。 OLT包括用于存储多个ONU的控制信息的控制信息存储。 此外，光终端系统包括备用OLT，其包括用于存储要从工作OLT发送的控制信息的存储器。 此外，光终端系统包括控制器，其控制从工作OLT到备用OLT的切换。

公开(公告)号：US07782137B2

公开(公告)日：2010-08-24

申请号：US12232015

申请日：2008-09-09

申请人： Keiji Tanaka

发明人： Keiji Tanaka

IPC分类号： H03F3/45

CPC分类号： H03F3/45475 ,  H03F3/45183 ,  H03F3/45748 ,  H03F3/45973 ,  H03F2203/45138 ,  H03F2203/45212 ,  H03F2203/45441 ,  H03F2203/45521 ,  H03F2203/45588 ,  H03F2203/45682

摘要： A new offset canceling circuit for a differential circuit is disclosed whose input offset voltage may be cancelled independent of the variation of the input level, accordingly, enables the cut-off frequency of the canceling circuit unchanged. The offset canceller of the invention provides a buffer amplifier and a filter. The filter includes a capacitance multiplier including an operational amplifier (Op-Amp) operating in the inverting mode and a capacitor connected between the input and output of the Op-Amp. The Op-Amp operating in the inverting mode whose closed loop gain is solely determined by resistors, and the capacitance of the capacitor is multiplied by the closed loop gain of the Op-Amp by the Miller effect.

摘要翻译： 公开了一种用于差分电路的新的偏移消除电路，其输入偏移电压可以被取消，而与输入电平的变化无关，因此能够使取消电路的截止频率不变。 本发明的偏移消除器提供缓冲放大器和滤波器。 滤波器包括电容乘法器，其包括以反相模式工作的运算放大器（Op-Amp）和连接在运算放大器的输入和输出端之间的电容器。 运算在反相模式下的运算放大器，其闭环增益仅由电阻器确定，电容器的电容乘以运算放大器的闭环增益乘以米勒效应。

公开(公告)号：US20100209100A1

公开(公告)日：2010-08-19

申请号：US12772585

申请日：2010-05-03

申请人： Katsumi Uesaka ,  Keiji Tanaka

发明人： Katsumi Uesaka ,  Keiji Tanaka

IPC分类号： H04B10/08 ,  H04B10/06

CPC分类号： H04B10/66 ,  H04B10/0799

摘要： The present invention provides an optical receiver able to monitor the level of the optical input signal in accurate even when the level is quite small. The optical receiver comprises a photodiode to generate a photocurrent Ipd, a current mirror circuit to reflect the photocurrent into a mirrored current Imon, a current-to-voltage converter to convert the mirrored current Imon to a voltage signal, switch to connect/cut the current mirror circuit with the current-to-voltage converter, and a correction unit for subtracting a signal when the switch is connected from a signal when the switch is cut.

摘要翻译： 本发明提供一种即使当该电平相当小时也能够准确地监视光输入信号的电平的光接收器。 光接收器包括光电二极管以产生光电流Ipd，将光电流反射成镜像电流Imon的电流镜电路，用于将镜像电流Imon转换成电压信号的电流 - 电压转换器，切换到连接/切割 具有电流 - 电压转换器的电流镜电路，以及用于当开关切断时从信号连接开关时减去信号的校正单元。

公开(公告)号：US07558482B2

公开(公告)日：2009-07-07

申请号：US11251608

申请日：2005-10-13

申请人： Keiji Tanaka ,  Noboru Edagawa

发明人： Keiji Tanaka ,  Noboru Edagawa

IPC分类号： H04J14/08

CPC分类号： H04L12/12 ,  Y02D50/40

摘要： The invention is applied to a PON system including an optical line terminal (OLT) at a center station, a plurality of optical network units (ONUs) at subscribers' sites, and an optical transmission line shared by the plurality ONUs to optically connect between the OLT and the plurality of ONUs. Each of the ONUs requests the OLT to assign a logical link according to start-up of an application.

摘要翻译： 本发明应用于包括中心站的光线路终端（OLT），用户站点处的多个光网络单元（ONU）和由多个ONU共享的光传输线的PON系统，以在 OLT和多个ONU。 每个ONU请求OLT根据应用的启动分配逻辑链路。

公开(公告)号：US07555520B2

公开(公告)日：2009-06-30

申请号：US09993486

申请日：2001-11-27

申请人： Shinichi Watanabe ,  Toshio Nagatsuka ,  Keiji Tanaka

发明人： Shinichi Watanabe ,  Toshio Nagatsuka ,  Keiji Tanaka

IPC分类号： G06F15/16

CPC分类号： H04L51/28

摘要： A server apparatus and a method for electronic mail transmission control are provided that enables electronic mail communication, even if a user does not know information regarding destination, such as a mail account, in advance. The server apparatus includes a receiver that receives an electronic mail data including a destination telephone number from a sender terminal. A memory section stores at least one telephone number and at least one IP address in association with each other. A transmitter obtains an IP address that is pre-associated with the destination telephone number from the memory section and transmits the electronic mail data to the obtained IP address.

公开(公告)号：US20090163657A1

公开(公告)日：2009-06-25

申请号：US12083690

申请日：2006-10-24

申请人： Keiji Tanaka ,  Toshihiko Nagamura ,  Masaaki Ozawa ,  Akihiro Tanaka

发明人： Keiji Tanaka ,  Toshihiko Nagamura ,  Masaaki Ozawa ,  Akihiro Tanaka

IPC分类号： C08F28/00 ,  C08F14/00

CPC分类号： C08L101/005 ,  C08J3/005 ,  C08J2300/202

摘要： There is provided a novel, simple, general-purpose technique capable of being applied to the modification of the polymer surface and/or interface.A polymer structure whose surface and/or interface is modified is obtained by mixing a branched polymer (preferably a dendritic polymer, a comb-like polymer or a hyperbranched polymer) into a linear polymer as a matrix polymer to concentrate the branched polymer on the surface and/or interface of the matrix polymer.

摘要翻译： 提供了一种可应用于聚合物表面和/或界面的改性的新颖简单的通用技术。 其表面和/或界面被改性的聚合物结构是通过将支化聚合物（优选树枝状聚合物，梳状聚合物或超支化聚合物）混合为线性聚合物作为基质聚合物而获得的，以将支化聚合物浓缩在表面上 和/或基质聚合物的界面。

公开(公告)号：US20080240739A1

公开(公告)日：2008-10-02

申请号：US12073571

申请日：2008-03-06

申请人： Keiji Tanaka

发明人： Keiji Tanaka

IPC分类号： H04B10/06

CPC分类号： H03F3/082 ,  H03F3/45475 ,  H03F2203/45008 ,  H03F2203/45138 ,  H03F2203/45561 ,  H03F2203/45576

摘要： The present invention provides a precisely controlled terminator circuit of a differential amplifier, in particular, for a differential amplifier of an optical receiver. The differential circuit, which receives a differential signal by a first input for the normal phase signal and a second input for an anti-phase signal, provides a terminator circuit comprises two resistors connected in serial between two inputs and two resistive connections each including a transistor and a resistor serially connected to the transistor and connected between respective inputs and the power supply line Vcc. The control unit, by receiving a medium potential of two resistors, provides a bias to two transistors so as to equalize the medium potential with the reference potential.

摘要翻译： 本发明提供了一种差分放大器的精确控制的终端电路，特别是用于光接收器的差分放大器。 通过正相信号的第一输入端接收差分信号的差分电路和用于反相信号的第二输入端提供了一个终端电路，包括串联连接在两个输入端和两个电阻连接端之间的两个电阻器，每个电阻器包括晶体管 以及串联连接到晶体管并连接在各个输入端和电源线Vcc之间的电阻器。 控制单元通过接收两个电阻器的中等电位，向两个晶体管提供偏置，以便将介电电位与参考电位相等。

公开(公告)号：US20070001184A1

公开(公告)日：2007-01-04

申请号：US11395159

申请日：2006-04-03

申请人： Keiji Tanaka ,  Masayuki Shono

发明人： Keiji Tanaka ,  Masayuki Shono

IPC分类号： H01L33/00 ,  H01L21/00

CPC分类号： G02B6/4206 ,  G02B6/4203 ,  H01L33/44 ,  H01L33/58 ,  H01S5/0267 ,  H01S5/4025 ,  H01S5/4087

摘要： A light-emitting device with a built-in microlens having a microlens integrated with a semiconductor light-emitting device causing no misalignment of an optical axis is provided. This light-emitting device with a built-in microlens comprises a semiconductor light-emitting device and a microlens, integrated with the semiconductor light-emitting device, formed through light emitted from the semiconductor light-emitting device. Thus, the optical axis of the microlens is automatically aligned in formation of the microlens.

摘要翻译： 提供具有内置微透镜的发光器件，其具有与不引起光轴错位的半导体发光器件集成的微透镜。 具有内置微透镜的发光装置包括通过从半导体发光器件发射的光形成的与半导体发光器件集成的半导体发光器件和微透镜。 因此，微透镜的光轴在微透镜的形成中自动对准。

公开(公告)号：US20060083245A1

公开(公告)日：2006-04-20

申请号：US11251608

申请日：2005-10-13

申请人： Keiji Tanaka ,  Noboru Edagawa

发明人： Keiji Tanaka ,  Noboru Edagawa

IPC分类号： H04L12/28

CPC分类号： H04L12/12 ,  Y02D50/40

摘要： The invention is applied to a PON system including an optical line terminal (OLT) at a center station, a plurality of optical network units (ONUs) at subscribers' sites, and an optical transmission line shared by the plurality ONUs to optically connect between the OLT and the plurality of ONUs. Each of the ONUs requests the OLT to assign a logical link according to start-up of an application.

公开(公告)号：US20050000201A1

公开(公告)日：2005-01-06

申请号：US10484456

申请日：2002-08-01

申请人： Keiji Tanaka ,  Kiyoshi Yanagisawa ,  Yoshitaka Akasaka ,  Toshihiro Kuroda ,  Kazuya Mitsudome

发明人： Keiji Tanaka ,  Kiyoshi Yanagisawa ,  Yoshitaka Akasaka ,  Toshihiro Kuroda ,  Kazuya Mitsudome

IPC分类号： B01D8/00 ,  B01D39/12 ,  B01D45/04 ,  B01D45/06 ,  B01D46/00 ,  B01D46/10 ,  B01D46/42 ,  B01D46/52 ,  H01L21/02

CPC分类号： B01D46/521 ,  B01D39/12 ,  B01D45/04 ,  B01D45/06 ,  B01D46/0043 ,  B01D46/0082 ,  B01D46/10 ,  B01D46/4263 ,  B01D2275/10 ,  B01D2275/305

摘要： A trapping apparatus traps solid substances converted from reaction products contained in exhaust gases discharged from a process apparatus by a vacuum pump. The trapping apparatus has a trap member for contacting the exhaust gases and trapping reaction products contained in exhaust gases, and a trap housing (1) accommodating the trap member (4) therein. The trap housing has an inlet port (2) for introducing exhaust gases, and an exhaust gas space (3) connected to the inlet port and having an increased cross-sectional area in the direction in which exhaust gases flow in. The trap housing has a flow passage defined therein for passing the exhaust gases in the exhaust gas space and then changing the direction of the exhaust gases so as to flow from the exhaust gas space substantially perpendicularly to the trap member so as to pass the exhaust gases through the trap member while in contact therewith.

摘要翻译： 捕集装置捕集由真空泵从处理装置排出的废气中包含的反应产物转化的固体物质。 捕集装置具有捕集构件，用于接收废气中含有的废气和捕集反应产物，以及在其中容纳捕集器（4）的捕集器壳体（1）。 捕集器壳体具有用于引入排气的入口（2）和连接到入口的排气空间（3），并且在废气流入的方向上具有增加的横截面面积。捕集器壳体 限定在其中的流路，用于使废气空间中的排气通过，然后改变废气的方向，以便从排气空间基本上垂直于捕集构件流动，以使废气通过捕集构件 而与之接触。