公开(公告)号：US20100221012A1

公开(公告)日：2010-09-02

申请号：US12530784

申请日：2008-03-12

申请人： Yoshinari AWAJI

发明人： Yoshinari AWAJI

IPC分类号： H04J14/02 ,  H01S3/14 ,  G06F17/50 ,  G06F3/048 ,  G06F17/10

CPC分类号： H04B10/296 ,  H01S3/06708 ,  H01S3/06716 ,  H01S3/0672 ,  H01S3/06729 ,  H01S3/06758 ,  H01S3/1608 ,  H04B10/2941

摘要： It is an object of the present invention to provide a rare earth doped fiber whose transient response is suppressed and an optical amplifier for optical packet communication having a good characteristic even if there is little traffic.The above-mentioned problem is solved by an optical amplifier for optical packet communication comprising a first rare earth doped fiber (EDFA) having an active region whose diameter is between 3.4 μm and 10 μm, inclusive, an intermediate gain equalizing filter, and a second EDF, wherein the first EDFA is shorter than the second EDFA, and wherein the intermediate gain equalizing filter adjusts the intensity of each wavelength channel so as to equalize the light intensity of each wavelength channel having transmitted through the second EDF.

摘要翻译： 本发明的目的是提供一种其瞬时响应被抑制的稀土掺杂光纤，并且即使交通量少的话，光分组通信的光放大器也具有良好的特性。 上述问题由用于光分组通信的光放大器解决，该光放大器包括具有直径在3.4μm和10μm之间的有源区的第一稀土掺杂光纤（EDFA），包括中间增益均衡滤波器，第二稀土掺杂光纤 EDF，其中所述第一EDFA比所述第二EDFA短，并且其中所述中间增益均衡滤波器调整每个波长信道的强度，以便均衡通过所述第二EDF的每个波长信道的光强度。

公开(公告)号：US07251461B2

公开(公告)日：2007-07-31

申请号：US10271785

申请日：2002-10-17

申请人： Yozo Shoji ,  Kiyoshi Hamaguchi ,  Hiroyo Ogawa

发明人： Yozo Shoji ,  Kiyoshi Hamaguchi ,  Hiroyo Ogawa

IPC分类号： H04B1/00

CPC分类号： H04B1/0483 ,  H04B1/28 ,  H04B7/04 ,  H04B7/0615

摘要： This invention includes a wireless transmitter comprising an IF-signal generator that modulates input signals into those of an intermediate frequency band, signal distributors that distribute signals from the IF-signal generator, and a plurality of signal-transmission units that convert the signals distributed by the signal distributors into those of a radio frequency band, and then transmit the converted radio signals. The invention also includes a wireless receiver that receives the radio-frequency-band modulated signals and restores the signals of the intermediate frequency band. In this way, effective diversity is realized and signal interruptions are prevented. In addition, a handy, low-cost wireless communications system is provided.

摘要翻译： 本发明包括一种无线发射机，其包括将输入信号调制成中频带的IF信号发生器，分配来自IF信号发生器的信号的信号分配器，以及多个信号传输单元，其将由 将信号分配给无线电频段，然后发送转换后的无线电信号。 本发明还包括一个无线接收器，它接收射频带调制信号并恢复中频带的信号。 以这种方式，实现有效的分集，并且防止信号中断。 另外，还提供了一种方便，低成本的无线通信系统。

公开(公告)号：US20070172600A1

公开(公告)日：2007-07-26

申请号：US10554059

申请日：2004-04-23

申请人： Akiro Otomo ,  Seiichi Furumi ,  Hitoshi Suzuki ,  Hideki Miki ,  Shinro Mashiko

发明人： Akiro Otomo ,  Seiichi Furumi ,  Hitoshi Suzuki ,  Hideki Miki ,  Shinro Mashiko

IPC分类号： B05D3/00 ,  B01J19/08 ,  G21H1/00 ,  G21H5/00 ,  H01F41/00

CPC分类号： B82Y30/00 ,  B82B3/00 ,  B82Y10/00 ,  B82Y40/00 ,  G03F7/165 ,  H01L51/0595

摘要： External energy is fed to N-[3-{3,5-bis{3,5-bis[3,5-bis(4-mercaptobenzylthio)benzylthio]benzylthio}benzyloxy}-propionyl-4-nitro-1-naphthylamine (18a) being a molecule capable of photosensitization as an intermediate excitation medium, fixed on support (12) of a metal, so as to photosensitized molecule of excited triplet state (18b), thereby inducing an excited triplet energy transfer from this photosensitized molecule to first molecule (28a) having a residue capable of bonding. The first molecule (28b) having thus been excited by the excited triplet energy transfer is bonded with second molecule (30) having a residue capable of bonding which is a bonding object to be bonded with the first molecule.

摘要翻译： 将外部能量加入到N- [3- {3,5-双{3,5-双[3,5-二（4-巯基苄硫基）苄硫基]苄硫基}苄氧基} - 丙酰基-4-硝基-1-萘胺（ 18 a）作为中和激发介质的能够光敏化的分子，固定在金属的载体（12）上，以便激发三重态的光敏化分子（18b），从而诱导来自该光敏化分子的激发的三线态能量转移 涉及具有能够键合的残基的第一分子（28a）。 由激发的三线态能量转移激发的第一分子（28b）与具有能够键合的残基的第二分子（30）结合，该第二分子（30）是与第一分子键合的结合对象。

公开(公告)号：US10249767B2

公开(公告)日：2019-04-02

申请号：US15182668

申请日：2016-06-15

申请人： TAMURA CORPORATION ,  National Institute of Information and Communications Technology

发明人： Kohei Sasaki ,  Masataka Higashiwaki

IPC分类号： H01L21/02 ,  H01L29/04 ,  H01L29/15 ,  H01L29/24 ,  H01L29/36 ,  H01L29/66 ,  H01L29/78 ,  H01L29/417 ,  H01L29/772 ,  H01L29/786 ,  H01L29/812

摘要： A Ga2O3-based semiconductor element includes an undoped β-Ga2O3 single crystal film disposed on a surface of a β-Ga2O3 substrate, a source electrode and a drain electrode disposed on a same side of the undoped β-Ga2O3 single crystal film, a gate electrode disposed on the undoped β-Ga2O3 single crystal film between the source electrode and the drain electrode, and a region formed in the undoped β-Ga2O3 single crystal film under the source electrode and the drain electrode and including a controlled dopant concentration.

公开(公告)号：US08847817B2

公开(公告)日：2014-09-30

申请号：US13123135

申请日：2009-10-06

申请人： Hitoshi Utagawa ,  Toshiaki Matsui

发明人： Hitoshi Utagawa ,  Toshiaki Matsui

IPC分类号： G01S13/00 ,  H03B7/14 ,  H01Q23/00 ,  H01Q19/30 ,  H01Q13/00 ,  H01Q9/28 ,  H01Q5/00 ,  H01Q19/10 ,  H01Q15/00

CPC分类号： H01Q9/285 ,  H01Q5/25 ,  H01Q13/00 ,  H01Q15/0086 ,  H01Q19/10 ,  H01Q19/30 ,  H01Q23/00

摘要： To provide a microwave/milliwave band high-frequency pulse signal generating device that enables realization of structural simplification, high performance, compact integration, easy design, low power consumption, and low cost. A radiation type oscillator substrate S1 having an inner-layer GND 12 interposed between a front-side dielectric substrate 10 and a rear-side dielectric substrate 11 is provided on the radiation surface side with a pair of axially symmetrical patches 4, 4, a gate electrode 2 and drain electrode 3 of a microwave transistor 1 are respectively connected to the conductor patches 4, 4, DC bias is supplied to the gate electrode 2 through an RF choke circuit 5a, a monopulse from a monopulse generation circuit 7 is supplied to the drain electrode 3 through an RF choke circuit 5b, an impedance line 9 satisfying an oscillating condition is connected to a source electrode 8, and a high-frequency pulse signal of an oscillation frequency/frequency bandwidth determined by negative resistance produced by short-duration operation of the microwave transistor 1 and the resonant cavity structure is generated and simultaneously radiated into space.

摘要翻译： 提供微波/毫波波段高频脉冲信号发生装置，实现结构简化，高性能，集成度小，设计简单，功耗低，成本低。 具有插入在前侧电介质基板10和背面电介质基板11之间的内层GND12的放射型振荡器基板S1在辐射面侧设置有一对轴对称的贴片4,4，栅极 微波晶体管1的电极2和漏电极3分别连接到导体块4,4，通过RF扼流电路5a向栅电极2提供直流偏压，来自单脉冲发生电路7的单脉冲被提供给 漏电极3通过RF扼流圈电路5b连接，满足振荡条件的阻抗线9连接到源电极8，并且由短时间操作产生的由负电阻确定的振荡频率/频率带宽的高频脉冲信号 的微波晶体管1和谐振腔结构产生并同时辐射到空间中。

公开(公告)号：US20120140793A1

公开(公告)日：2012-06-07

申请号：US13386688

申请日：2010-07-21

申请人： Yohannes Alemseged Demessie ,  Chen Sun ,  Ha Nguyen Tran ,  Hiroshi Harada

发明人： Yohannes Alemseged Demessie ,  Chen Sun ,  Ha Nguyen Tran ,  Hiroshi Harada

IPC分类号： H04B1/69

CPC分类号： H04B1/7163 ,  H04W52/0229 ,  H04W88/06

摘要： Provided is a spectrum sensor for cognitive wireless communication whereby it is possible to improve communication efficiency. In a cognitive wireless communication system, a spectrum sensor senses spectra in multiple frequency bands. A spectrum sensor is configured to be able to operate in one operation mode selected from among a spectrum sensing mode for sensing spectra, and a communication mode for communicating with a wireless communication device. Further, the spectrum sensor is provided with a controller for controlling the operation mode. The controller switches between the above-mentioned operation modes during the symbol period of an ultra-wideband physical layer (UWB PHY).

摘要翻译： 提供了一种用于认知无线通信的频谱传感器，由此可以提高通信效率。 在认知无线通信系统中，频谱传感器感测多个频带中的频谱。 频谱传感器被配置为能够在从用于感测光谱的频谱感测模式中选择的一种操作模式中进行操作，以及用于与无线通信设备进行通信的通信模式。 此外，光谱传感器设置有用于控制操作模式的控制器。 控制器在超宽带物理层（UWB PHY）的符号周期期间在上述操作模式之间切换。

公开(公告)号：US07965448B2

公开(公告)日：2011-06-21

申请号：US12665762

申请日：2008-06-20

申请人： Satoshi Maekawa

发明人： Satoshi Maekawa

IPC分类号： G02B27/14

CPC分类号： G02B5/124 ,  G02B5/136 ,  G02B27/22 ,  G02B27/2292

摘要： A real mirror image forming optical system is constructed from a half-mirror, and from a retroreflector placed in a position where it recursively reflects either the light passing through or reflected by that half-mirror, so that light emitted from an object to be projected placed behind the half-mirror can pass through either a first light path consisting of passing through the half-mirror, recursive reflection by the retroreflector, and reflection by the half-mirror; or a second light path consisting of reflection by the half-mirror, recursive reflection by the retroreflector, and passing through the half-mirror; thus by one or both of these light paths a real mirror image of the object to be projected is formed at a planar symmetric position with respect to the half-mirror surface.

摘要翻译： 一个真实的镜像成像光学系统由半透明反射镜构成，并由后向反射器构成，该反射镜被放置在一个位置上，该反射镜递归地反射通过该半透半反镜的反射光或使被反射的光被投影 放置在半透镜后面的第一光路可以穿过由半透反射镜构成的第一光路，由后向反射器引起的反射和半反射镜的反射; 或由半反射镜反射构成的第二光路，由后向反射器的递归反射，并穿过半反射镜; 因此通过这些光路中的一个或两个，待投影物体的实际镜像形成在相对于半镜面的平面对称位置。

公开(公告)号：US07515735B2

公开(公告)日：2009-04-07

申请号：US10552143

申请日：2003-04-11

申请人： Hisashi Miyamori

发明人： Hisashi Miyamori

IPC分类号： G06K9/00

CPC分类号： G06T7/20 ,  G06T2207/30221

摘要： An image recognizing device for recognizing the motion of a player on the basis of a content containing a sport in which players play in zones demarcated with an obstacle such as a net, including a video information acquiring section for acquiring video information representing the motion of the player in play from the content, a hidden state judging unit for judging whether or not a use tool such as a ball moving between the zones and being an object of scoring is in a hidden state by a predetermined object, a hit time information determining section for determining the time at which the use tool hits on the basis of the hiding start time at which the use tool is judged to be hidden by the hidden state judging section and the hiding stop time at which the hiding is judged to be stopped, a rule information storage section in which rule information on the sport is stored, and an image content recognizing section for recognizing the image content including the motion of the player represented by the video information on the basis of the video information acquired by the video information acquiring section, the position of the use tool at the hit time determined by the hit time information determining section, and the rule information stored in the rule information storage section.

摘要翻译： 一种图像识别装置，用于基于包含玩家在诸如网络的障碍物划分的区域中的玩家游戏的内容来识别玩家的运动，所述图像识别装置包括：视频信息获取部分，用于获取表示运动的视频信息， 一个隐藏状态判断单元，用于判断诸如在该区域之间移动的和作为评分对象的球的使用工具是否由预定对象处于隐藏状态;命中时间信息确定部分 用于基于隐藏状态判断部分判断使用工具被隐藏的隐藏开始时间和判定隐藏被停止的隐藏停止时间来确定使用工具所达到的时间， 规则信息存储部分，其中存储关于运动的规则信息;以及图像内容识别部分，用于识别包括玩家代表的运动的图像内容 基于由视频信息获取部获取的视频信息的视频信息，由命中时间信息确定部分确定的命中时间的使用工具的位置以及存储在规则信息存储部分中的规则信息 。

公开(公告)号：US11895039B2

公开(公告)日：2024-02-06

申请号：US17641885

申请日：2020-09-09

申请人： NEC CORPORATION ,  NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY

发明人： Takeo Onishi ,  Taketoshi Nakajima ,  Toru Osuga ,  Satoko Itaya ,  Kenichi Maruhashi ,  Fumihide Kojima

IPC分类号： H04L1/00 ,  H04L47/762 ,  H04L43/0894

CPC分类号： H04L47/762 ,  H04L43/0894

摘要： A communication system according to the present disclosure includes: a required band calculation unit (12, 41) configured to calculate a required band for a plurality of flows received by a bridge apparatus (3), in which, for a flow including burst data among the plurality of flows, the required band calculation unit (12, 41) calculates the required band for the flow based on a data size of the burst data and an allowable delay of the flow; and a speed ratio calculation unit (32, 43) configured to calculate a relative ratio of communication speeds of the plurality of flows based on the required band for the plurality of flows. The bridge apparatus (3) transfers the plurality of flows to a data receiving apparatus (2) according to the relative ratio of the communication speeds.

公开(公告)号：US07483640B2

公开(公告)日：2009-01-27

申请号：US10957151

申请日：2004-09-30

申请人： Tetsuya Miyazaki

发明人： Tetsuya Miyazaki

IPC分类号： H04B10/04

CPC分类号： H04B10/505 ,  H04B10/5051 ,  H04B10/5161 ,  H04B10/5162 ,  H04B10/541 ,  H04B10/548

摘要： An optical multilevel-coded signal transmission system transmits information from an optical transmitter to an optical receiver through an optical transmission line using optical intensity and optical phase separately. The optical transmitter includes an inverted RZ signal light generator to generate an inverted RZ signal light intensity-modulated with a first data, and an optical phase modulator to phase-modulate the inverted RZ signal light according to a second data. The optical receiver includes a splitter to split a light input from the optical transmission line into first and second portions, an inverter to invert the first portion from the splitter, a first detector to detect the first data in the first portion inverted by the inverter, a converter to convert a phase-modulated signal included in the second portion from the splitter into an optical intensity-modulated signal, and a second detector to detect the second data in the optical intensity-modulated signal from the converter.

摘要翻译： 光学多层编码信号传输系统通过使用光强度和光学相位的光传输线路将信息从光发射机传输到光接收机。 光发射机包括反转的RZ信号光发生器，用于产生用第一数据强度调制的反相RZ信号，以及光相位调制器，以根据第二数据对反转的RZ信号光进行相位调制。 光接收机包括：分离器，用于将从光传输线路输入的光分成第一和第二部分;逆变器，用于将第一部分从分路器反相;第一检测器，用于检测由逆变器反相的第一部分中的第一数据; 转换器，用于将来自分离器的第二部分中包括的相位调制信号转换为光强度调制信号;以及第二检测器，用于检测来自转换器的光强度调制信号中的第二数据。