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1. 发明申请

US20090162054A1 COLLECTION OF DATA FROM AN OPTICAL CHANNEL MONITOR WITHOUT CAUSING A MALFUNCTION OF A TRANSMISSION APPARATUS 有权
标题翻译：从光通道监视器收集数据，而不会导致传输设备的故障
公开(公告)号：US20090162054A1
公开(公告)日：2009-06-25
申请号：US12341853
申请日：2008-12-22
申请人： TAKEFUMI OGUMA
发明人： TAKEFUMI OGUMA
IPC分类号： H04B17/00
CPC分类号： H04B10/07955 , H04J14/0221
摘要： A method of collecting data from an optical channel monitor for monitoring the power of a wavelength-division multiplexed light signal at each wavelength is disclosed. The total light power is analog-to-digital converted by an A/D converter. The data of the total light power which has been analog-to-digital converted is compared with a reference light power by a comparator for each conversion, and when the difference between the total light power and the reference light power exceeds a predetermined threshold, a power fluctuation flag is turned ON. After the comparison, the above process of the analog-to-digital conversion and the comparison is iterated until the optical channel monitor completes the data collection for each wavelength. Thereafter, the processor determines whether the power fluctuation flag is ON or not. When the power fluctuation flag is ON, the processor discards the currently collected data and maintains the data which were collected immediately before.
摘要翻译：公开了一种从光通道监视器收集数据以监测每个波长的波分复用光信号的功率的方法。总光功率由A / D转换器进行模数转换。将模拟数字转换的总光功率的数据与用于每次转换的比较器与参考光功率进行比较，并且当总光功率和参考光功率之间的差异超过预定阈值时，功率波动标志变为ON。比较后，重复上述模数转换和比较处理，直到光通道监视器完成每个波长的数据采集。此后，处理器确定功率波动标志是否为ON。当功率波动标志为ON时，处理器丢弃当前收集的数据，并维护紧接在之前收集的数据。

2. 发明授权

US06911627B2 Heating element device, heating element mounted structure, temperature control circuit, temperature control apparatus, and module 有权
标题翻译：加热元件装置，加热元件安装结构，温度控制电路，温度控制装置和模块
公开(公告)号：US06911627B2
公开(公告)日：2005-06-28
申请号：US10365552
申请日：2003-02-13
申请人： Takefumi Oguma , Nobutaka Watanabe
发明人： Takefumi Oguma , Nobutaka Watanabe
IPC分类号： H05B3/20 , G02B6/10 , H05B3/00 , H05B3/10 , H05B3/22 , H05B1/02
CPC分类号： G02B6/10 , H05B3/22
摘要： A heating element device has a laminate of a plurality of heating element plates, each of the heating element plates having an insulator and a resistor, which is capable of generating heat upon the supply of electric power, provided on the insulator. The plurality of heating element plates are each independently controllable with respect to energization. The heating element device also has a temperature detection plate having an insulator and a resistor, capable of undergoing a change in resistance value upon a change in temperature, provided on the insulator.
摘要翻译：加热元件装置具有多个加热元件板的层压体，每个加热元件板具有绝缘体和电阻器，其能够在设置在绝缘体上的电力供应时产生热量。多个加热元件板相对于通电各自可独立控制。加热元件装置还具有具有绝缘体和电阻器的温度检测板，能够在设置在绝缘体上的温度变化时经历电阻值的变化。

3. 发明授权

US08837939B2 Wavelength division multiplexing transmission system, optical channel monitor and optical channel monitoring method 有权
标题翻译：波分复用传输系统，光通道监控和光通道监控方法
公开(公告)号：US08837939B2
公开(公告)日：2014-09-16
申请号：US13113246
申请日：2011-05-23
申请人： Hiromitsu Sugahara , Takefumi Oguma
发明人： Hiromitsu Sugahara , Takefumi Oguma
IPC分类号： H04B10/07
CPC分类号： H04J14/0221 , H04B10/07955 , H04B10/2942 , H04J14/0227
摘要： A light channel monitor includes an optical separating section configured to separate a wavelength multiplexed optical signal into optical signals for channels and monitors configured to measure intensities of the optical signals for the channels. A processing section is configured to correct the measured intensities of the optical signals based on a wavelength transmission characteristic of the optical separating section to calculate the wavelength multiplexed optical signal before the separation.
摘要翻译：光通道监视器包括：光分离部分，被配置为将波长复用光信号分离成用于信道的光信号和被配置为测量信道的光信号强度的监视器。处理部被配置为基于光分离部的波长透射特性校正测定的光信号的强度，计算分离前的波长复用光信号。

4. 发明授权

US07649162B2 Optical feedback control unit, optical communication system, feedback control method, and recording medium for recording program 有权
标题翻译：光反馈控制单元，光通信系统，反馈控制方法以及用于记录程序的记录介质
公开(公告)号：US07649162B2
公开(公告)日：2010-01-19
申请号：US12044650
申请日：2008-03-07
申请人： Takefumi Oguma , Hiroki Rikiyama , Koji Asahi
发明人： Takefumi Oguma , Hiroki Rikiyama , Koji Asahi
IPC分类号： G01J1/32
CPC分类号： H04J14/0221 , H04B10/0793
摘要： The present invention is to provide an optical feedback control unit for determining an optical output by a feedback control, an optical communication system, a feedback control method, and a recording medium for recording a program. According to the present invention, even when used in the system to which a plurality of nodes are connected, the unstable system may become stable by the proper feedback control without being affected by the optical level change according to the polarized variation or the loss variation. In The optical feedback control unit according to the present invention, an optical output control portion determines an optical output by a feedback control using the result detected by a detection portion, a dead zone not performing the feedback control is set for the difference between the detected value from the detection portion and the control target value, and when the difference between the detected value and the control target value is within the dead zone, a width of the dead zone is set to be wider than that of the dead zone when the difference between the detected value and the control target value is out of the dead zone.
摘要翻译：本发明提供一种光反馈控制单元，用于通过反馈控制，光通信系统，反馈控制方法和用于记录程序的记录介质来确定光输出。根据本发明，即使在多个节点连接的系统中使用时，通过适当的反馈控制，不稳定系统也可能变得稳定，而不受根据偏振变化或损耗变化的光学电平变化的影响。 In根据本发明的光学反馈控制单元，光输出控制部分使用由检测部分检测到的结果通过反馈控制来确定光输出，对所检测到的差异设置不执行反馈控制的死区值，并且当检测值与控制目标值之间的差值在死区内时，当死区的宽度被设定为比死区宽时在检测值和控制目标值之间是在死区之外。

5. 发明申请

US20090226173A1 WAVELENGTH DIVISION MULTIPLEXING FILTER, WAVELENGTH DIVISION MULTIPLEXING SYSTEM, AND WAVELENGTH DIVISION MULTIPLEXING METHOD 有权
标题翻译：波长分割多路复用滤波器，波长分割多路复用系统和波长分割多路复用方法
公开(公告)号：US20090226173A1
公开(公告)日：2009-09-10
申请号：US12397084
申请日：2009-03-03
申请人： YUTAKA YANO , TAKEFUMI OGUMA
发明人： YUTAKA YANO , TAKEFUMI OGUMA
IPC分类号： H04J14/02
CPC分类号： H04J14/0204 , G02F2201/305 , G02F2203/585 , H04J14/0205 , H04J14/0209 , H04J14/0212 , H04J14/0213 , H04J14/0217 , H04J14/0246 , H04J14/025 , H04J14/0256
摘要： A wavelength division multiplexing filter according to the present invention is a wavelength division multiplexing filter having a variable filter shape. The wavelength division multiplexing filter has a resolution equal to 2N times (N being an integer, where N≧1) a reference frequency interval and has frequency arrangement of center frequencies of frequency slots corresponding to the 2N-times resolution be offset by half a cycle with respect to the frequency arrangement of standard wavelength grids having a frequency interval equal to 1/2″ of the reference frequency interval.
摘要翻译：根据本发明的波分复用滤波器是具有可变滤波器形状的波分复用滤波器。波分多路复用滤波器具有等于2N倍的分辨率（N为整数，其中N> = 1）参考频率间隔并且具有对应于2N倍分辨率的频率槽的中心频率的频率排列被偏移了一半相对于具有等于参考频率间隔的1/2“的频率间隔的标准波长网格的频率排列的周期。

6. 发明授权

US06597483B1 Laser oscillation wavelength monitoring device 失效
标题翻译：激光振荡波长监测装置
公开(公告)号：US06597483B1
公开(公告)日：2003-07-22
申请号：US09379347
申请日：1999-08-23
申请人： Takefumi Oguma
发明人： Takefumi Oguma
IPC分类号： H04B1000
CPC分类号： H04B10/572 , H04B10/504
摘要： A laser oscillation wavelength monitoring device, which can obtain a changing direction and a changing amount of an oscillation wavelength without any relation with a polarization state of an incident light, whose manufacturing is made to be easy, is provided. The laser oscillation wavelength monitoring device provides a lens that converts an incident light from an optical fiber in which an optical signal is transmitted using wavelength division to a beam, a polarizer that makes an arbitrary linear polarization state in the beam transmit, a polarization splitter that splits the arbitrary linear polarization state into a first polarization state and a second polarization state, first and second optical band pass filters to which each polarization state split by the polarization splitter is inputted, first and second light receiving elements which receive light transmitted through the first and second optical band pass filters respectively and convert the received light to electric signals, a divider that calculates a ratio of digital values that the output levels of the first and second light receiving elements are converted at analog/digital (A/D) converters, an adder that accumulates the outputs of the divider every designated unit time, and a counter. And the laser oscillation wavelength monitoring device outputs an average value that the accumulated result designated times at the adder is divided by the counted value.
摘要翻译：提供一种激光振荡波长监视装置，其能够获得与制造容易的入射光的偏振状态无任何关系的振荡波长的变化方向和变化量。激光振荡波长监视装置提供一种透镜，其将来自其中使用波分复用光信号的光信号的入射光转换成光束，在光束透射中使任意的线偏振状态的偏振器，将偏振光分离器将任意的线偏振态分解为第一偏振态和第二偏振态，由偏振分离器分离的每个偏振状态被输入的第一和第二光带通滤波器，接收通过第一偏振态发射的光的第一和第二光接收元件和第二光学带通滤波器，并将接收的光转换成电信号;计算第一和第二光接收元件的输出电平在模拟/数字（A / D）转换器转换的数字值的比率的分频器，一个加法器，每个指定单位时间积累分频器的输出，a 一个柜台并且激光振荡波长监视装置输出将加法器处的指定时间的累积结果除以计数值的平均值。

7. 发明授权

US08879908B2 Optical channel monitor 有权
标题翻译：光通道监视器
公开(公告)号：US08879908B2
公开(公告)日：2014-11-04
申请号：US13495732
申请日：2012-06-13
申请人： Takefumi Oguma
发明人： Takefumi Oguma
IPC分类号： H04B10/08 , H04B17/00 , H04J14/02 , H04B10/079
CPC分类号： H04B10/07955 , H04J14/0221 , H04J14/0227 , H04J14/026
摘要： An optical channel monitor includes a demultiplexer, a plurality of paths and a processing section. The demultiplexer demultiplexes an input optical signal, which is wavelength-multiplexed, for respective multiplexed wavelengths to generate a plurality of optical signals. The plurality of paths respectively generate a plurality of digital signals indicating optical powers of the plurality of optical signals. The processing section inputs the plurality of digital signals to calculate correction values of the optical powers, which correspond to characteristics of the demultiplexer. The demultiplexer includes a filter having FMHM (Full With at Half Maximum) within a predetermined range. The predetermined range is set based on a pass center wavelength accuracy of the filter and an oscillation wavelength accuracy of a transponder which generates the input optical signal.
摘要翻译：光通道监视器包括解复用器，多个路径和处理部分。解复用器对于多路复用的波长解复用波长多路复用的输入光信号，以产生多个光信号。多个路径分别产生指示多个光信号的光功率的多个数字信号。处理部分输入多个数字信号以计算与多路分解器的特性对应的光功率的校正值。解复用器包括在预定范围内具有FMHM（最大满满宽度）的滤波器。基于滤波器的通过中心波长精度和产生输入光信号的应答器的振荡波长精度来设定预定范围。

8. 发明授权

US08238745B2 Collection of data from an optical channel monitor without causing a malfunction of a transmission apparatus 有权
标题翻译：从光通道监视器收集数据，而不会导致传输设备的故障
公开(公告)号：US08238745B2
公开(公告)日：2012-08-07
申请号：US12341853
申请日：2008-12-22
申请人： Takefumi Oguma
发明人： Takefumi Oguma
IPC分类号： H04B10/08 , H04B10/00 , G01R35/00
CPC分类号： H04B10/07955 , H04J14/0221
摘要： A method of collecting data from an optical channel monitor for monitoring the power of a wavelength-division multiplexed light signal at each wavelength is disclosed. The total light power is analog-to-digital converted by an A/D converter. The data of the total light power which has been analog-to-digital converted is compared with a reference light power by a comparator for each conversion, and when the difference between the total light power and the reference light power exceeds a predetermined threshold, a power fluctuation flag is turned ON. After the comparison, the above process of the analog-to-digital conversion and the comparison is iterated until the optical channel monitor completes the data collection for each wavelength. Thereafter, the processor determines whether the power fluctuation flag is ON or not. When the power fluctuation flag is ON, the processor discards the currently collected data and maintains the data which were collected immediately before.
摘要翻译：公开了一种从光通道监视器收集数据以监测每个波长的波分复用光信号的功率的方法。总光功率由A / D转换器进行模数转换。将模拟数字转换的总光功率的数据与用于每次转换的比较器与参考光功率进行比较，并且当总光功率和参考光功率之间的差异超过预定阈值时，功率波动标志变为ON。比较后，重复上述模数转换和比较处理，直到光通道监视器完成每个波长的数据采集。此后，处理器确定功率波动标志是否为ON。当功率波动标志为ON时，处理器丢弃当前收集的数据，并维护紧接在之前收集的数据。

9. 发明申请

US20110286745A1 WAVELENGTH DIVISION MULTIPLEXING TRANSMISSION SYSTEM, OPTICAL CHANNEL MONITOR AND OPTICAL CHANNEL MONITORING METHOD 有权
标题翻译：波长段多路复用传输系统，光通道监测和光通道监测方法
公开(公告)号：US20110286745A1
公开(公告)日：2011-11-24
申请号：US13113246
申请日：2011-05-23
申请人： HIROMITSU SUGAHARA , Takefumi Oguma
发明人： HIROMITSU SUGAHARA , Takefumi Oguma
IPC分类号： H04J14/02
CPC分类号： H04J14/0221 , H04B10/07955 , H04B10/2942 , H04J14/0227
摘要： A light channel monitor includes an optical separating section configured to separate a wavelength multiplexed optical signal into optical signals for channels and monitors configured to measure intensities of the optical signals for the channels. A processing section is configured to correct the measured intensities of the optical signals based on a wavelength transmission characteristic of the optical separating section to calculate the wavelength multiplexed optical signal before the separation.
摘要翻译：光通道监视器包括：光分离部分，被配置为将波长复用光信号分离成用于信道的光信号和被配置为测量信道的光信号强度的监视器。处理部被配置为基于光分离部的波长透射特性校正测定的光信号的强度，计算分离前的波长复用光信号。

10. 发明申请

US20090092391A1 METHOD AND SYSTEM FOR POWER STABILITY CONTROL IN WAVELENGTH DIVISION MULTIPLEXING NETWORKS 有权
标题翻译：波峰段多路复用网络中功率稳定控制的方法与系统
公开(公告)号：US20090092391A1
公开(公告)日：2009-04-09
申请号：US12050465
申请日：2008-03-18
申请人： Lei Zong , Ting Wang , Takefumi Oguma , Katsuyuki Mino , Osamu Matsuda
发明人： Lei Zong , Ting Wang , Takefumi Oguma , Katsuyuki Mino , Osamu Matsuda
IPC分类号： H04J14/02
CPC分类号： H04J14/0221 , H04B10/07955 , H04J14/021 , H04J14/0227 , H04J14/0246 , H04J14/025 , H04J14/0279 , H04J14/0283
摘要： Methods and systems for controlling power fluctuations in a network including a plurality of nodes are disclosed. A node in the network may be configured to modify power levels in accordance with either an active state or an inactive state. The node may transition to an inactive state in response to a power change that exceeds a power change threshold. The role of the node in controlling the power fluctuation in the network is reduced in the inactive state.
摘要翻译：公开了一种用于控制包括多个节点的网络中的功率波动的方法和系统。网络中的节点可以被配置为根据活动状态或非活动状态来修改功率电平。响应于超过功率变化阈值的功率变化，节点可以转变到非活动状态。节点在控制网络中功率波动的作用在不活动状态下降低。

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