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21. 发明申请

US20050169633A1 Optical transmission device 有权
标题翻译：光传输装置
公开(公告)号：US20050169633A1
公开(公告)日：2005-08-04
申请号：US11082958
申请日：2005-03-18
申请人： Goji Nakagawa , Hideyuki Miyata , Yutaka Kai , Hiroshi Onaka , Setsuo Yoshida , Kyosuke Sone , Tomohiro Ueno
发明人： Goji Nakagawa , Hideyuki Miyata , Yutaka Kai , Hiroshi Onaka , Setsuo Yoshida , Kyosuke Sone , Tomohiro Ueno
IPC分类号： H04B10/27 , G02F1/125 , H01L31/12 , H01S5/0687 , H04B10/07 , H04B10/275 , H04B10/29 , H04J14/00 , H04J14/02
CPC分类号： H04B10/572 , H04J14/0204 , H04J14/0209 , H04J14/021 , H04J14/0213 , H04J14/022 , H04J14/0227
摘要： An optical transmission device improved in quality and reliability of OADM function and permitting configuration of highly-flexible, economical OADM networks. A wavelength tunable filter variably selects a wavelength according to a control frequency. A filter controller applies the control frequency to the filter while scanning wavelength over an entire signal bandwidth, to detect, from a reference wavelength monitor signal supplied thereto, a reference control frequency which permits the filter to select a reference wavelength and according to which wavelength is matched. On receiving a wavelength selection request, the controller obtains a target control frequency from the reference control frequency and the position of a target wavelength relative to the reference wavelength, and applies the obtained frequency to the filter. A reference wavelength filter transmits the reference wavelength therethrough. A light-receiving element monitors the transmitted reference wavelength to generate the monitor signal.
摘要翻译：一种光传输设备改进了OADM功能的质量和可靠性，并允许配置高度灵活，经济的OADM网络。波长可调滤波器根据控制频率可变地选择波长。滤波器控制器在整个信号带宽上扫描波长时将滤波器的控制频率施加到滤波器，从提供给其的参考波长监测信号中检测出允许滤波器选择参考波长的参考控制频率，根据哪个波长是匹配。在接收到波长选择请求时，控制器从参考控制频率和目标波长相对于参考波长的位置获得目标控制频率，并将获得的频率应用于滤波器。参考波长滤波器透过参考波长。光接收元件监测发射的参考波长以产生监测信号。

22. 发明授权

US06782017B1 Wavelength locker and wavelength discriminating apparatus 失效
标题翻译：波长锁定器和波长识别装置
公开(公告)号：US06782017B1
公开(公告)日：2004-08-24
申请号：US09560151
申请日：2000-04-28
申请人： Yutaka Kai , Hideyuki Miyata , Hiroshi Onaka
发明人： Yutaka Kai , Hideyuki Miyata , Hiroshi Onaka
IPC分类号： H01S313
CPC分类号： H04B10/572 , H01S5/0078 , H01S5/0687 , H04B10/506
摘要： An object of the invention is to provide a wavelength locker which has a wider locking range than that of the wavelength locker in the prior art and which can cope with a plurality of wavelengths. The aforementioned objects are achieved by a wavelength locker, which comprises a periodic filter, a detecting part for detecting the intensity of a laser beam through the periodic filter, and a controlling part for controlling the wavelength of the laser beam to a desired wavelength in accordance with the output of the detecting part. In this wavelength locker, the FSR of the periodical filter is controlled according to space between the wavelengths, and refers to the number of wavelength to be locked, so that the characteristics corresponding to output wavelengths that vary in every period twice the space of wavelengths and are complementary to each other, can be obtained, and the locking range will become wider.
摘要翻译：本发明的目的是提供一种具有比现有技术中的波长锁定器更宽的锁定范围并且可以应付多个波长的波长锁定器。上述目的通过一种波长锁定器实现，该波长锁定器包括周期滤波器，用于检测通过周期滤波器的激光束的强度的检测部分，以及用于将激光束的波长控制为所需波长的控制部分与检测部分的输出。在该波长锁定器中，周期滤波器的FSR根据波长之间的空间来控制，并且是指要锁定的波长的数量，使得对应于输出波长的特性在每个周期中变化是波长空间的两倍，互补，可以获得，锁定范围将变宽。

23. 发明授权

US06717713B2 Variable optical attenuator which applies a magnetic field to a faraday element to rotate the polarization of a light signal 失效
标题翻译：可变光衰减器，其向法拉第元件施加磁场以旋转光信号的偏振
公开(公告)号：US06717713B2
公开(公告)日：2004-04-06
申请号：US10411139
申请日：2003-04-11
申请人： Hiroshi Onaka , Nobuhiro Fukushima
发明人： Hiroshi Onaka , Nobuhiro Fukushima
IPC分类号： G02F109
CPC分类号： G02F1/09 , G02F1/093 , G02F2203/48
摘要： An apparatus which attenuates a light signal polarized in a first direction. The apparatus includes a polarization rotation unit and an output unit. The polarization rotation unit rotates the polarization of the light signal to produce a polarization rotated light signal having a polarization component in the first direction and a polarization component in a second direction which is substantially 90 degrees with respect to the first direction. The output unit passes, as an output signal, the polarization component in the second direction of the polarization rotated light signal and blocks the polarization component in the first direction. The polarization rotation unit includes an electromagnet and a permanent magnet which apply magnetic fields in specific directions with respect to the light path. Various yoke constructions are provided for the electromagnet and the permanent magnet. A control circuit maintains the output power of the output signal at a constant level, or maintains a constant ratio between the power level of the output signal and the power level of he light signal before the polarization is rotated. The apparatus can have a wavelength dependent attenuation which compensates for the wavelength dependent gain of an optical amplifier.
摘要翻译：一种衰减在第一方向上偏振的光信号的装置。该装置包括偏振旋转单元和输出单元。偏振旋转单元旋转光信号的偏振，以产生具有第一方向的偏振分量和相对于第一方向基本上为90度的第二方向的偏振分量的偏振旋转光信号。输出单元将偏振旋转光信号的第二方向上的偏振分量作为输出信号传递，并阻止第一方向的偏振分量。偏振旋转单元包括在相对于光路在特定方向上施加磁场的电磁体和永磁体。为电磁铁和永久磁铁提供各种轭结构。控制电路将输出信号的输出功率维持在恒定水平，或者在偏振旋转之前保持输出信号的功率电平与光信号的功率电平之间的恒定比率。该装置可以具有波长相关的衰减，其补偿光放大器的与波长相关的增益。

24. 发明授权

US06252688B1 Optical wavelength multiplex transmission method and optical dispersion compensation method 有权
公开(公告)号：US06252688B1
公开(公告)日：2001-06-26
申请号：US09438147
申请日：1999-11-10
申请人： George Ishikawa , Hideyuki Miyata , Hiroshi Onaka , Motoyoshi Sekiya , Kazue Okazaki
发明人： George Ishikawa , Hideyuki Miyata , Hiroshi Onaka , Motoyoshi Sekiya , Kazue Okazaki
IPC分类号： H04J1402
CPC分类号： G02B6/29377 , G02B6/4215 , H04B10/25133 , H04B10/2525 , H04B10/25253 , H04B10/255 , H04B10/2563 , H04B2210/252 , H04B2210/254 , H04B2210/258 , H04J14/02 , H04J14/0224
摘要： The invention provides an optical wavelength multiplex transmission method wherein a band in the proximity of a zero dispersion wavelength of an optical fiber is used and optical signals are disposed at efficient channel spacings taking an influence of the band, the wavelength dispersion and the four wave mixing into consideration to realize an optical communication system of an increased capacity which is not influenced by crosstalk by FWM. When optical signals of a plurality of channels having different wavelengths are to be multiplexed and transmitted using an optical fiber, a four wave mixing suppressing guard band of a predetermined bandwidth including the zero-dispersion wavelength &lgr;0 of the optical fiber is set, and signal light waves of the plurality of channels to be multiplexed are arranged on one of the shorter wavelength side and the longer wavelength side outside the guard band.

25. 发明授权

US06252687B1 Optical wavelength multiplex transmission method and optical dispersion compensation method 失效
公开(公告)号：US06252687B1
公开(公告)日：2001-06-26
申请号：US09066580
申请日：1998-04-27
申请人： George Ishikawa , Hideyuki Miyata , Hiroshi Onaka , Motoyoshi Sekiya , Kazue Otsuka
发明人： George Ishikawa , Hideyuki Miyata , Hiroshi Onaka , Motoyoshi Sekiya , Kazue Otsuka
IPC分类号： H04J1402
CPC分类号： G02B6/29377 , G02B6/4215 , H04B10/25133 , H04B10/2525 , H04B10/25253 , H04B10/255 , H04B10/2563 , H04B2210/252 , H04B2210/254 , H04B2210/258 , H04J14/02 , H04J14/0224
摘要： The invention provides an optical wavelength multiplex transmission method wherein a band in the proximity of a zero dispersion wavelength of an optical fiber is used and optical signals are disposed at efficient channel spacings taking an influence of the band, the wavelength dispersion and the four wave mixing into consideration to realize an optical communication system of an increased capacity which is not influenced by crosstalk by FWM. When optical signals of a plurality of channels having different wavelengths are to be multiplexed and transmitted using an optical fiber, a four wave mixing suppressing guard band of a predetermined bandwidth including the zero-dispersion wavelength &lgr;0 of the optical fiber is set, and signal light waves of the plurality of channels to be multiplexed are arranged on one of the shorter wavelength side and the longer wavelength side outside the guard band.

26. 发明授权

US06178037B1 Optical amplifying apparatus 失效
标题翻译：光放大装置
公开(公告)号：US06178037B1
公开(公告)日：2001-01-23
申请号：US09028825
申请日：1998-02-24
申请人： Yasushi Sugaya , Susumu Kinoshita , Hiroshi Onaka , Terumi Chikama
发明人： Yasushi Sugaya , Susumu Kinoshita , Hiroshi Onaka , Terumi Chikama
IPC分类号： H01S300
CPC分类号： H01S3/1301 , H01S5/0617 , H01S5/06808 , H01S5/0683 , H01S5/50
摘要： A computer-controlled optical amplifying apparatus, which includes an optical amplifying unit including an optical amplifying medium and an optical amplifying control unit controlling the optical amplifying unit under the control of a computer. This optical amplifying control unit is constituted by a status monitoring unit for monitoring the status, an optical output control unit for controlling the optical amplifying unit in accordance with the result of monitoring of status; and a status restoring unit for initializing the control status of the optical output control unit by initializing the computer when detecting an occurrence of the abnormal status by the result of monitoring of status and restoring the optical output control unit to the control status before occurrence of the related abnormal status within a relaxation time inherent in the optical amplifying medium occurring accompanied with this initialization.
摘要翻译：一种计算机控制的光学放大装置，其包括具有光放大介质的光放大单元和在计算机的控制下控制光放大单元的光放大控制单元。该光放大控制单元由用于监视状态的状态监视单元，根据状态监视结果控制光放大单元的光输出控制单元构成; 以及状态恢复单元，用于通过初始化计算机的初始化来初始化光输出控制单元的控制状态，该状态恢复单元通过状态监视的结果检测到异常状态的发生，并且在发生之前将光输出控制单元恢复到控制状态在与该初始化相关的光放大介质中固有的弛豫时间内的相关异常状态。

27. 发明授权

US6151158A Method and device for optical amplification and system having the device 失效
标题翻译：用于光放大的方法和装置以及具有该装置的系统
公开(公告)号：US6151158A
公开(公告)日：2000-11-21
申请号：US1092
申请日：1997-12-30
申请人： Miki Takeda , Susumu Kinoshita , Hiroshi Onaka
发明人： Miki Takeda , Susumu Kinoshita , Hiroshi Onaka
IPC分类号： H01S3/07 , H01S3/06 , H01S3/067 , H01S3/094 , H01S3/10 , H01S3/131 , H04B10/07 , H04B10/2519 , H04B10/29 , H04B10/294 , H01S3/00
CPC分类号： H04B10/291 , H01S3/10023 , H04B10/2912 , H04B10/2941 , H04B10/2942 , H01S2301/04 , H01S3/0078 , H01S3/0675 , H01S3/06758 , H01S3/094096 , H01S3/10015 , H01S3/1301 , H04B2210/003
摘要： A device comprising an optical amplifier including an optical amplifying medium, and first and second optical filters operatively connected to the optical amplifier to suppress the wavelength dependence of gain. The medium has an input end and an output end for an optical signal. The medium is pumped so that it provides a gain band. The gain band includes a first band giving a relatively high gain and noise figure to the optical signal and a second band giving a relatively low gain and noise figure to the optical signal. The first optical filter is connected to the input end of the medium and has characteristics such that the first optical filter suppresses the wavelength dependence of gain in the second band. The second optical filter is connected to the output end of the medium and has characteristics such that the second optical filter suppresses the wavelength dependence of gain in the first band. This configuration allows suitable suppression of the wavelength dependence of gain in each optical filter, thereby providing a low noise figure and high optical output power.
摘要翻译：一种包括包括光放大介质的光放大器和可操作地连接到光放大器以抑制增益的波长依赖性的第一和第二光学滤波器的装置。介质具有用于光信号的输入端和输出端。泵送介质使其提供增益带。增益频带包括对光信号提供相对较高的增益和噪声系数的第一频带以及给予光信号相对低的增益和噪声系数的第二频带。第一滤光器连接到介质的输入端，并且具有使得第一滤光器抑制第二波段中的增益的波长依赖性的特性。第二滤光器连接到介质的输出端，并且具有这样的特性，使得第二滤光器抑制第一波段中的增益的波长依赖性。该配置允许适当地抑制每个滤光器中的增益的波长依赖性，从而提供低噪声系数和高的光输出功率。

28. 发明授权

US5790292A Optical fiber transmission line 失效
公开(公告)号：US5790292A
公开(公告)日：1998-08-04
申请号：US537449
申请日：1995-10-02
申请人： Kazue Otsuka , Hiroshi Onaka
发明人： Kazue Otsuka , Hiroshi Onaka
IPC分类号： G02B6/00 , G02B6/02 , G02F1/35 , H04B10/25 , H04B10/2525 , H04B10/2537 , H04B10/2563 , H04B10/00
CPC分类号： H04B10/85 , H04B10/2525 , H04B10/2563
摘要： An optical fiber transmission line capable of suppressing the generation efficiency of four wave mixing in transmitting wavelength multiplex signal light. The transmission line employs a single mode optical fiber in which a zero dispersion wavelength is varied in the longitudinal direction of the optical fiber more largely than manufacturing variations in manufacturing conditions of the optical fiber. The use of this optical fiber as the transmission line suppresses the generation efficiency of four wave mixing in transmitting the wavelength multiplex signal light to allow the transmission of the wavelength multiplex signal light with a reduced crosstalk.

29. 发明授权

US08293397B2 Battery assembly 有权
标题翻译：电池组件
公开(公告)号：US08293397B2
公开(公告)日：2012-10-23
申请号：US12219958
申请日：2008-07-31
申请人： Yasunori Uchida , Kimio Tsubaki , Shigeki Takeo , Hiroshi Onaka , Tatsuo Suzuki , Kenichi Mitsui
发明人： Yasunori Uchida , Kimio Tsubaki , Shigeki Takeo , Hiroshi Onaka , Tatsuo Suzuki , Kenichi Mitsui
IPC分类号： H01M10/50 , H01M2/00 , H01M2/04 , H01M4/00 , H01M4/13 , H01M4/58
CPC分类号： H01M2/1077 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6551 , H01M10/6554 , H01M10/6555 , H01M10/6556 , H01M10/6557
摘要： A battery assembly includes single-battery cells, and thermally-conductive members. The thermally-conductive members are formed of a soft material as a plated configuration. The soft material exhibits thermal conductivity and electric insulatability. The single-battery cells, and the thermally-conductive members are adhered to each other, and are disposed one after another alternately in a row, thereby interposing the thermally-conducive members between the single-cell batteries. The thermally-conductive members include a radiation surface respectively from which heat that the single-battery cells produce radiates. The single-battery cells are cooled indirectly by cooling the radiation surfaces of the thermally-conductive members.
摘要翻译：电池组件包括单电池单元和导热构件。导热构件由作为镀层构造的软质材料形成。柔软的材料具有导热性和电绝缘性。单电池单元和导热构件彼此粘合，并排配置成一列，从而将热导电构件插入单电池之间。导热构件包括分别由单电池单元产生的热辐射的辐射表面。通过冷却导热构件的辐射表面间接冷却单电池单元。

30. 发明授权

US07688498B2 Optical amplifier and optical monitor circuit 有权
标题翻译：光放大器和光电监控电路
公开(公告)号：US07688498B2
公开(公告)日：2010-03-30
申请号：US10998064
申请日：2004-11-29
申请人： Miki Onaka , Etsuko Hayashi , Hiroshi Onaka
发明人： Miki Onaka , Etsuko Hayashi , Hiroshi Onaka
IPC分类号： H01S3/00
CPC分类号： H04B10/2941 , H01S3/06754 , H01S3/1305 , H04B10/071 , H04B10/07955
摘要： An optical amplifier of the present invention comprises: an optical amplifying circuit which amplifies a signal light; an optical reflection medium which is disposed on an optical fiber connected to the optical amplifying circuit and is capable of reflecting a noise light which exists in a predetermined wavelength range outside a signal band, among noise lights generated in said optical amplifying circuit, to radiate the reflected noise light to the outside of a core of the optical fiber; a light receiver which receives the noise light reflected to be radiated to the outside of the core of the optical fiber by the optical reflection medium, to detect the power of the noise light; and a computation circuit which computes the total power of the noise lights generated in the optical amplifying circuit based on the detection result of the light receiver. Thus, it is possible to provide at a low cost an optical amplifier provided with a monitoring function capable of detecting high accurately, with a simple optical circuit configuration, the noise light power and the like generated when the signal light is amplified.
摘要翻译：本发明的光放大器包括：放大信号光的光放大电路; 光反射介质，其设置在与光放大电路连接的光纤上，并且能够反射存在于信号频带外的预定波长范围内的噪声光，在所述光放大电路中产生的噪声光中，将反射的噪声光反射到光纤的核心的外部; 光接收器，其通过光反射介质接收被辐射到光纤的芯的外部的噪声光，以检测噪声光的功率; 以及计算电路，其基于所述光接收器的检测结果来计算在所述光放大电路中产生的噪声光的总功率。因此，可以以低成本提供具有能够以简单的光电路结构高精度检测的监视功能的光放大器，当信号光被放大时产生的噪声光功率等。

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