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

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。

2. 发明申请

US20140015541A1 ELECTRIC FIELD MEASURING DEVICE 审中-公开
标题翻译：电场测量装置
公开(公告)号：US20140015541A1
公开(公告)日：2014-01-16
申请号：US14008302
申请日：2012-03-14
申请人： Takeshi Sakai , Masahito Mure
发明人： Takeshi Sakai , Masahito Mure
IPC分类号： G01R31/00
CPC分类号： G01R31/001 , G01R29/0871 , G01R29/0885 , G01R29/10
摘要： In the electric field measuring device, a DC bias circuit applying a DC bias voltage to an optical intensity modulator is disposed in an area, and a DC bias control portion controlling a DC bias voltage is disposed outside the area. An electrical signal of a DC bias voltage which is output from the DC bias control portion is converted into an optical signal by an electrical-optical converter (E/O) so as to be introduced into the area via an optical fiber, and the optical signal is converted into an electrical signal by an optical-electrical converter (O/E) disposed in the area such that the electrical signal is input to the DC bias circuit.
摘要翻译：在电场测量装置中，在一个区域中设置将DC偏置电压施加到光强度调制器的DC偏置电路，并且将控制DC偏置电压的DC偏置控制部分设置在该区域的外部。从DC偏置控制部输出的直流偏置电压的电信号通过电光转换器（E / O）被转换为光信号，以经由光纤被引入到该区域中，并且光学信号通过设置在该区域中的光电转换器（O / E）转换成电信号，使得电信号被输入到DC偏置电路。

3. 发明申请

US20130051723A1 OPTICAL FREQUENCY COMB GENERATING DEVICE AND OPTICAL PULSE GENERATING DEVICE USING SAME, AND OPTICAL FREQUENCY COMB GENERATING METHOD AND OPTICAL PULSE GENERATING METHOD USING SAME 有权
标题翻译：光学频率组合发生装置和使用其的光脉冲发生装置，以及使用相同的光学频率组合生成方法和光脉冲发生方法
公开(公告)号：US20130051723A1
公开(公告)日：2013-02-28
申请号：US13581364
申请日：2011-02-21
申请人： Masaaki Sudo , Masahito Mure
发明人： Masaaki Sudo , Masahito Mure
IPC分类号： G02F1/035
CPC分类号： G02F1/0123 , G02F1/2255 , G02F2001/212 , G02F2203/56 , H04B10/5053 , H04B10/50572 , H04B10/50575 , H04B10/50577
摘要： The optical frequency comb generating device having two optical modulation parts 41 and 42 independently modulating optical waves propagating in two branch waveguides and a phase regulator 43 controlling a phase difference between the optical waves includes amplitude adjusting means 22 for adjusting a voltage amplitude of the RF signal supplied to at least one of the optical modulation parts, monitoring means 21 for monitoring the intensity Pout of the output light beam, and a bias control circuit 20 that controls the amplitude adjusting means to change a difference in voltage amplitude between the RF signals supplied to each optical modulation part, that detects a variation of the output light beam corresponding to the variation of the difference in voltage amplitude from the output signal of the monitoring means, and that controls the phase regulator on the basis of the detection result to adjust the phase difference.
摘要翻译：具有独立地调制在两个分支波导中传播的光波的两个光调制部分41和42的光频率梳发生装置和控制光波相位差的相位调节器43包括用于调节RF信号的电压振幅的振幅调节装置22 提供给至少一个光调制部分的监视装置21，用于监视输出光束的强度Pout;以及偏置控制电路20，其控制幅度调整装置，以改变提供给每个光调制部分，其根据监视装置的输出信号检测与电压振幅差异的变化相对应的输出光束的变化，并根据检测结果控制相位调节器，以调整相位区别。

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

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。

6. 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。

7. 发明授权

US09002145B2 Optical frequency comb generating device and optical pulse generating device using same, and optical frequency comb generating method and optical pulse generating method using same 有权
标题翻译：光频梳发生装置和使用其的光脉冲发生装置，以及光频梳发生方法和使用其的光脉冲产生方法
公开(公告)号：US09002145B2
公开(公告)日：2015-04-07
申请号：US13581364
申请日：2011-02-21
申请人： Masaaki Sudo , Masahito Mure
发明人： Masaaki Sudo , Masahito Mure
IPC分类号： G02F1/035 , H04B10/548 , G02F1/01 , H04B10/50 , G02F1/225 , G02F1/21
CPC分类号： G02F1/0123 , G02F1/2255 , G02F2001/212 , G02F2203/56 , H04B10/5053 , H04B10/50572 , H04B10/50575 , H04B10/50577
摘要： The optical frequency comb generating device having two optical modulation parts 41 and 42 independently modulating optical waves propagating in two branch waveguides and a phase regulator 43 controlling a phase difference between the optical waves includes amplitude adjusting means 22 for adjusting a voltage amplitude of the RF signal supplied to at least one of the optical modulation parts, monitoring means 21 for monitoring the intensity Pout of the output light beam, and a bias control circuit 20 that controls the amplitude adjusting means to change a difference in voltage amplitude between the RF signals supplied to each optical modulation part, that detects a variation of the output light beam corresponding to the variation of the difference in voltage amplitude from the output signal of the monitoring means, and that controls the phase regulator on the basis of the detection result to adjust the phase difference.
摘要翻译：具有独立地调制在两个分支波导中传播的光波的两个光调制部分41和42的光频率梳发生装置和控制光波相位差的相位调节器43包括用于调节RF信号的电压振幅的振幅调节装置22 提供给至少一个光调制部分的监视装置21，用于监视输出光束的强度Pout;以及偏置控制电路20，其控制幅度调整装置，以改变提供给每个光调制部分，其根据监视装置的输出信号检测与电压振幅差异的变化相对应的输出光束的变化，并根据检测结果控制相位调节器，以调整相位区别。

8. 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。

9. 发明授权

US07760775B2 Apparatus and method of generating laser beam 有权
标题翻译：产生激光束的装置和方法
公开(公告)号：US07760775B2
公开(公告)日：2010-07-20
申请号：US11883018
申请日：2006-04-14
申请人： Hitoshi Oguri , Tokutaka Hara , Masahito Mure , Miki Yatsuki
发明人： Hitoshi Oguri , Tokutaka Hara , Masahito Mure , Miki Yatsuki
IPC分类号： H01S3/10
CPC分类号： H01S5/141 , H01S3/08036 , H01S3/08063 , H01S3/0815 , H01S3/109
摘要： A laser beam generating apparatus includes a semiconductor element and a second harmonic generating element that performs a wavelength conversion on fundamental light emitted from the semiconductor element, the laser beam generating apparatus is an external resonance-type laser diode that has an external resonator structure and emits a transversal single mode laser beam, and the second harmonic generating element is a waveguide-type second harmonic generating element that includes a single mode waveguide.
摘要翻译：激光束产生装置包括半导体元件和对从半导体元件发射的基本光进行波长转换的二次谐波发生元件，激光束产生装置是具有外部谐振器结构并发射的外部谐振型激光二极管横向单模激光束，二次谐波发生元件是包括单模波导的波导型二次谐波发生元件。

10. 发明申请

US20090059990A1 External Cavity semiconductor laser 失效
标题翻译：外腔半导体激光器
公开(公告)号：US20090059990A1
公开(公告)日：2009-03-05
申请号：US11887063
申请日：2006-03-24
申请人： Miki Yatsuki , Tokutaka Hara , Masahito Mure
发明人： Miki Yatsuki , Tokutaka Hara , Masahito Mure
IPC分类号： H01S5/026
CPC分类号： H01S5/14 , H01S3/0815 , H01S3/083 , H01S5/1064 , H01S5/1085 , H01S5/141 , H01S5/2036
摘要： An external cavity semiconductor laser is provided with a first input-output section 2a and a second input-output section 2b that are disposed on a common end surface 2 via a center axis 3. The external cavity semiconductor laser includes: a semiconductor laser device 1 capable of emitting a first laser light 4 and a second laser light 5 from the input-output sections 2a and 2b in two directions; a first reflecting unit for reflecting the laser light 4 emitted from the first input-output section 2a and returning the reflected laser light 4 to the first input-output section 2a; a second reflecting unit 14b for reflecting the laser light 5 emitted from the second input-output section 2b and returning the reflected laser light 5 to the second input-output section 2b; a third reflecting unit 8 provided to a second end surface 7 disposed opposite a first end surface 2 having input-output sections 2a and 2b of the semiconductor laser device 1 for reflecting the laser light having returned to one of the input-output sections so as to be emitted from the other one of the input-output sections; and a half mirror 13 outputting a part of the laser light outputted therefrom.
摘要翻译：外腔半导体激光器具有经由中心轴3配置在公共端面2上的第一输入输出部2a和第二输入输出部2b。外腔半导体激光器包括：半导体激光装置1 能够沿两个方向从输入输出部2a和2b发射第一激光4和第二激光5; 第一反射单元，用于反射从第一输入 - 输出部分2a发射的激光4并将反射的激光4返回到第一输入 - 输出部分2a; 第二反射单元14b，用于反射从第二输入 - 输出部分2b发射的激光5并将反射的激光5返回到第二输入 - 输出部分2b; 第三反射单元8，其设置在与半导体激光装置1的具有输入输出部2a和2b的第一端面2相对设置的第二端面7上，用于反射返回到一个输入输出部的激光，从而从另一个输入 - 输出部分发射; 以及输出从其输出的激光的一部分的半反射镜13。

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