专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20110052212A1 Optical receiver 失效
标题翻译：光接收机
公开(公告)号：US20110052212A1
公开(公告)日：2011-03-03
申请号：US12661884
申请日：2010-03-25
申请人： Masahito Mure , Masahide Miyachi , Kaoru Higuma , Norikazu Miyazaki , Toshio Kataoka , Hiroyuki Sato , Hiroshi Nagaeda , Noriyasu Shiga , Yoichi Oikawa
发明人： Masahito Mure , Masahide Miyachi , Kaoru Higuma , Norikazu Miyazaki , Toshio Kataoka , Hiroyuki Sato , Hiroshi Nagaeda , Noriyasu Shiga , Yoichi Oikawa
IPC分类号： H04B10/06
CPC分类号： H04B10/677
摘要： The present invention relates to an optical receiver, and particularly, to an optical receiver by which a DQPSK-modulated optical signal is demodulated to a multilevel phase-modulated signal.
摘要翻译：光接收机技术领域本发明涉及一种光接收机，特别涉及将DQPSK调制光信号解调为多电平相位调制信号的光接收机。

2. 发明授权

US08180226B2 Optical receiver 失效
标题翻译：光接收机
公开(公告)号：US08180226B2
公开(公告)日：2012-05-15
申请号：US12661884
申请日：2010-03-25
申请人： Masahito Mure , Masahide Miyachi , Kaoru Higuma , Norikazu Miyazaki , Toshio Kataoka , Hiroyuki Sato , Hiroshi Nagaeda , Noriyasu Shiga , Yoichi Oikawa
发明人： Masahito Mure , Masahide Miyachi , Kaoru Higuma , Norikazu Miyazaki , Toshio Kataoka , Hiroyuki Sato , Hiroshi Nagaeda , Noriyasu Shiga , Yoichi Oikawa
IPC分类号： H04B10/06
CPC分类号： H04B10/677
摘要： The present invention relates to an optical receiver, and particularly, to an optical receiver by which a DQPSK-modulated optical signal is demodulated to a multilevel phase-modulated signal.
摘要翻译：光接收机技术领域本发明涉及一种光接收机，特别涉及将DQPSK调制光信号解调为多电平相位调制信号的光接收机。

3. 发明申请

US20120301158A1 Optical Receiver 审中-公开
标题翻译：光接收机
公开(公告)号：US20120301158A1
公开(公告)日：2012-11-29
申请号：US13576531
申请日：2010-02-01
申请人： Masahito Mure , Kaoru Higuma , Toshio Kataoka , Norikazu Miyazaki , Masahide Miyachi , Youichi Oikawa , Noriyasu Shiga , Hiroshi Nagaeda
发明人： Masahito Mure , Kaoru Higuma , Toshio Kataoka , Norikazu Miyazaki , Masahide Miyachi , Youichi Oikawa , Noriyasu Shiga , Hiroshi Nagaeda
IPC分类号： H04B10/06
CPC分类号： H04B10/677
摘要： An optical receiver includes interference means 2 for branching the optical signal modulated in a DQPSK manner into two light beams, delaying at least one branched light beam so that two branched light beams have a predetermined phase difference, rotating the polarization plane of at least one branched light beam so that the polarization planes of the two branched light beams are orthogonal to each other, and coupling the two branched light beams, light separation adjusting means 3 to 5 for separating the output light beam from the interference means and adjusting the polarization planes of the separated light beams, and detection means 6 and 6′ for detecting light intensities of the separated light beams output from the light separation adjusting means, wherein an I-component signal and a Q-component signal are generated on the basis of detection signals from the detection means.
摘要翻译：光接收机包括干扰装置2，用于将以DQPSK方式调制的光信号分支成两个光束，延迟至少一个分支光束，使得两个分支光束具有预定的相位差，旋转至少一个分支的偏振面光束使得两个分支光束的偏振平面彼此正交，并且耦合两个分支光束，光分离调节装置3至5，用于将输出光束与干涉装置分离并调整偏振面分离的光束，以及用于检测从光分离调节装置输出的分离的光束的光强度的检测装置6和6'，其中基于来自光分离调节装置的检测信号产生I分量信号和Q分量信号检测装置。

4. 发明授权

US08577225B2 Optical receiver 有权
标题翻译：光接收机
公开(公告)号：US08577225B2
公开(公告)日：2013-11-05
申请号：US12935252
申请日：2009-03-25
申请人： Masahito Mure , Norikazu Miyazaki , Toshio Kataoka , Kaoru Higuma
发明人： Masahito Mure , Norikazu Miyazaki , Toshio Kataoka , Kaoru Higuma
IPC分类号： H04B10/06 , G01B9/02
CPC分类号： H04B10/677
摘要： Provided is an optical receiver which accurately demodulates an optical signal obtained by the differential phase shift modulation method. The optical receiver includes: an interferometer which branches the inputted optical signal into two parts and gives a one-bit phase difference to the resultant two optical signals so that the two optical signals after addition of the phase difference are made to interfere each other to output two output lights; reflection means which reflects one of the output lights from the interferometer so as to return to the interferometer; detection means which detects the return light which has been reflected by the reflection means and propagates through the interferometer in the different direction from the inputted optical signal, for output; and phase difference control means which adjusts the phase difference given by the interferometer according to the intensity of the return light detected by the detection means.
摘要翻译：提供了一种能够对由差分相移调制方法获得的光信号进行精确解调的光接收机。光接收机包括：干涉仪，其将输入的光信号分成两部分，并给出所得到的两个光信号的一位相位差，使得相加后的两个光信号相互干扰以输出两路输出灯; 反射装置，其反射来自干涉仪的输出光之一以返回到干涉仪; 检测装置，其检测已经被反射装置反射的返回光，并且沿与所输入的光信号不同的方向通过干涉仪传播; 以及相位差控制装置，其根据由检测装置检测到的返回光的强度来调整由干涉仪给出的相位差。

5. 发明申请

US20110075149A1 OPTICAL RECEIVER 有权
标题翻译：光接收机
公开(公告)号：US20110075149A1
公开(公告)日：2011-03-31
申请号：US12935252
申请日：2009-03-25
申请人： Masahito Mure , Norikazu Miyazaki , Toshio Kataoka , Kaoru Higuma
发明人： Masahito Mure , Norikazu Miyazaki , Toshio Kataoka , Kaoru Higuma
IPC分类号： G01B9/02
CPC分类号： H04B10/677
摘要： Provided is an optical receiver which accurately demodulates an optical signal obtained by the differential phase shift modulation method. The optical receiver includes: an interferometer which branches the inputted optical signal into two parts and gives a one-bit phase difference to the resultant two optical signals so that the two optical signals after addition of the phase difference are made to interfere each other to output two output lights; reflection means which reflects one of the output lights from the interferometer so as to return to the interferometer; detection means which detects the return light which has been reflected by the reflection means and propagates through the interferometer in the different direction from the inputted optical signal, for output; and phase difference control means which adjusts the phase difference given by the interferometer according to the intensity of the return light detected by the detection means.
摘要翻译：提供了一种能够对由差分相移调制方法获得的光信号进行精确解调的光接收机。光接收机包括：干涉仪，其将输入的光信号分成两部分，并给出所得到的两个光信号的一位相位差，使得相加后的两个光信号相互干扰以输出两路输出灯; 反射装置，其反射来自干涉仪的输出光之一以返回到干涉仪; 检测装置，其检测已经被反射装置反射的返回光，并且沿与所输入的光信号不同的方向通过干涉仪传播; 以及相位差控制装置，其根据由检测装置检测到的返回光的强度来调整由干涉仪给出的相位差。

6. 发明申请

US20130045008A1 Electric Field Measuring Apparatus 审中-公开
标题翻译：电场测量装置
公开(公告)号：US20130045008A1
公开(公告)日：2013-02-21
申请号：US13580725
申请日：2011-02-21
申请人： Norikazu Miyazaki , Takeshi Sakai , Masahito Mure
发明人： Norikazu Miyazaki , Takeshi Sakai , Masahito Mure
IPC分类号： H04B10/08
CPC分类号： G01R29/0871 , G01R29/0885
摘要： An electric field measuring apparatus measures electric field intensity of an electromagnetic wave generated from equipment under test installed in an area in which electromagnetic waves are detected. The apparatus includes an antenna, an RF amplifier amplifying an output signal of the antenna, a signal intensity detector detecting whether intensity of the output signal is higher than a predetermined level, a signal generator generating a detection result signal on the basis of a detection result of the signal intensity detector, a multiplexer multiplexing an output signal of the RF amplifier, the detection result signal, and a DC bias voltage, and an optical intensity modulator having a Mach-Zehnder type optical waveguide performing an optical modulation operation on the basis of an output signal of the multiplexer are arranged inside the area. Arranged outside the area are a light source unit, a receiver unit, a DC bias controller, and a display unit.
摘要翻译：电场测量装置测量安装在检测到电磁波的区域中的被测设备产生的电磁波的电场强度。该装置包括天线，放大天线的输出信号的RF放大器，检测输出信号的强度是否高于预定电平的信号强度检测器，根据检测结果生成检测结果信号的信号发生器信号强度检测器的多路复用器，多路复用RF放大器的输出信号，检测结果信号和DC偏置电压，以及光强度调制器，其具有基于以下方式执行光调制操作的马赫 - 曾德尔型光波导多路复用器的输出信号被布置在该区域内。在该区域外部布置有光源单元，接收器单元，DC偏置控制器和显示单元。

7. 发明申请

US20060285787A1 Optical modulator 有权
标题翻译：光调制器
公开(公告)号：US20060285787A1
公开(公告)日：2006-12-21
申请号：US11315615
申请日：2005-12-22
申请人： Toshio Sakane , Norikazu Miyazaki , Kaoru Higuma , Shingo Mori
发明人： Toshio Sakane , Norikazu Miyazaki , Kaoru Higuma , Shingo Mori
IPC分类号： G02F1/035
CPC分类号： G02F1/225 , G02F1/035 , G02F2001/212
摘要： An optical modulator which magnifies a modulation index and reduces affection of SBS by suppressing a light source carrier component in an equivalent light source spectral width and performs more long-distance transmission by suppressing one of sideband spectrums generated by a modulation signal to reduce affection of fiber dispersion, having a light branch means that branches input light having a carrier component into two light waves; a SSB modulation means that modulates one branched wave and generates a wave having the carrier component and one sideband spectrum; an intensity adjustment means that adjusts intensity of the carrier component of the other wave; a phase adjustment means that adjusts the phase of the carrier component with respect to at least one of the two waves; and a multiplexing means that multiplexes the two waves passing through the modulation means, and the intensity and phase adjustment means, and emits output light.
摘要翻译：一种光调制器，其通过抑制等效光源光谱宽度中的光源载体分量来放大调制指数并降低SBS的影响，并且通过抑制由调制信号产生的边带频谱之一来执行更多的长距离传输，以减少光纤的影响具有光分支的分散装置，其将具有载体分量的输入光分支成两个光波; SSB调制装置，其调制一个分支波并产生具有载波分量和一个边带频谱的波; 强度调节装置，其调整另一波的载波分量的强度; 相位调整装置，相对于两个波中的至少一个调整载波分量的相位; 以及多路复用装置，其将通过调制装置的两个波和强度和相位调节装置进行多路复用，并发射输出光。

8. 发明授权

US07751724B2 Optical modulator 有权
标题翻译：光调制器
公开(公告)号：US07751724B2
公开(公告)日：2010-07-06
申请号：US11624887
申请日：2007-01-19
申请人： Yoshihiro Hashimoto , Shingo Mori , Norikazu Miyazaki , Kaoru Higuma , Toshio Sakane
发明人： Yoshihiro Hashimoto , Shingo Mori , Norikazu Miyazaki , Kaoru Higuma , Toshio Sakane
IPC分类号： H04B10/04
CPC分类号： G02F1/2255 , H04B10/505 , H04B10/5053 , H04B10/5165
摘要： An optical modulator is provided which includes: an optical splitting part that splits an input light wave into two light waves; two optical waveguides that propagate the two light waves into which the input light wave is split, respectively; a first SSB modulating part that is provided in one of the two optical waveguides and modulates a light wave, which propagates into the first SSB modulating part, with a carrier frequency so that the light wave is converted into a different light wave having a single side band; a second SSB modulating part that is provided in the other of the two optical waveguides and modulates a light wave, which propagates into the second SSB modulating part, with a data signal in order to generate a signal light wave having a different single side band; and an optical combining part that combines the light wave modulated by the first SSB modulating part with the signal light wave generated by the second SSB modulating part.
摘要翻译：提供了一种光调制器，其包括：将输入光波分成两个光波的光分裂部分; 分别传播输入光波被分裂成的两个光波的两个光波导; 设置在两个光波导中的一个中的第一SSB调制部分，以载波频率调制传播到第一SSB调制部分的光波，使得光波被转换为具有单侧的不同光波带; 设置在所述两个光波导中的另一个中的第二SSB调制部分，并且利用数据信号调制传播到所述第二SSB调制部分的光波，以产生具有不同单边带的信号光波; 以及光合成部，其将由第一SSB调制部调制的光波与由第二SSB调制部生成的信号光波组合。

9. 发明授权

US07302120B2 Optical modulator 有权
标题翻译：光调制器
公开(公告)号：US07302120B2
公开(公告)日：2007-11-27
申请号：US11315615
申请日：2005-12-22
申请人： Toshio Sakane , Norikazu Miyazaki , Kaoru Higuma , Shingo Mori
发明人： Toshio Sakane , Norikazu Miyazaki , Kaoru Higuma , Shingo Mori
IPC分类号： G02F1/035
CPC分类号： G02F1/225 , G02F1/035 , G02F2001/212
摘要： An optical modulator which magnifies a modulation index and reduces affection of SBS by suppressing a light source carrier component in an equivalent light source spectral width and performs more long-distance transmission by suppressing one of sideband spectrums generated by a modulation signal to reduce affection of fiber dispersion, having a light branch means that branches input light having a carrier component into two light waves; a SSB modulation means that modulates one branched wave and generates a wave having the carrier component and one sideband spectrum; an intensity adjustment means that adjusts intensity of the carrier component of the other wave; a phase adjustment means that adjusts the phase of the carrier component with respect to at least one of the two waves; and a multiplexing means that multiplexes the two waves passing through the modulation means, and the intensity and phase adjustment means, and emits output light.
摘要翻译：一种光调制器，其通过抑制等效光源光谱宽度中的光源载体分量来放大调制指数并降低SBS的影响，并且通过抑制由调制信号产生的边带频谱之一来执行更多的长距离传输，以减少光纤的影响具有光分支的分散装置，其将具有载体分量的输入光分支成两个光波; SSB调制装置，其调制一个分支波并产生具有载波分量和一个边带频谱的波; 强度调节装置，其调整另一波的载波分量的强度; 相位调整装置，相对于两个波中的至少一个调整载波分量的相位; 以及多路复用装置，其将通过调制装置的两个波和强度和相位调节装置进行多路复用，并发射输出光。

10. 发明申请

US20060115226A1 Optical modulation element module 失效
标题翻译：光调制元件模块
公开(公告)号：US20060115226A1
公开(公告)日：2006-06-01
申请号：US11233573
申请日：2005-09-23
申请人： Norikazu Miyazaki , Masataka Yokozawa
发明人： Norikazu Miyazaki , Masataka Yokozawa
IPC分类号： G02B6/10
CPC分类号： G02F1/2255 , G02F2001/212 , G02F2201/126 , G02F2202/20
摘要： The present invention provides an optical modulation element module which is capable of the optical modulation for analog transmission with a low driving voltage and low chirp. An optical modulation element module, in which Mach-Zehnder type optical modulation element 50 having a Mach-Zehnder type waveguide unit having two branched waveguides on a substrate which has electro-optical effect and two modulation electrodes which apply a modulation signal to each branched waveguide, optical input and output units for inputting and outputting a light wave to and from the optical modulation element, and a modulation signal input unit 56 for inputting the modulation signal into the modulation electrodes are placed in a case 51, includes a transformer branching unit 57 in which the modulation signal input unit which corresponds to the two modulation electrodes is formed as one terminal and which divides the modulation signal from the modulation signal input unit into two signals, and applies the divided modulation signals to each modulation electrode.
摘要翻译：本发明提供一种能够以低驱动电压和低啁啾进行模拟传输的光调制的光调制元件模块。一种光调制元件模块，其中具有Mach-Zehnder型光调制元件50的Mach-Zehnder型光波导单元在具有电光效应的基板上具有两个分支波导，以及两个调制电极，其对每个分支波导施加调制信号，用于向光调制元件输入光和输出光波的光输入和输出单元，以及用于将调制信号输入调制电极的调制信号输入单元56放置在壳体51中，包括变压器分支单元57 其中对应于两个调制电极的调制信号输入单元形成为一个端子，并将调制信号从调制信号输入单元分成两个信号，并将分频的调制信号施加到每个调制电极。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式