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1. 发明专利

JP2005256764A Internal combustion engine equipped with optical spectrum analyzer device 有权
标题翻译：内燃机配有光谱分析仪器
公开(公告)号：JP2005256764A
公开(公告)日：2005-09-22
申请号：JP2004070700
申请日：2004-03-12
申请人： Anritsu Corp , Mitsubishi Heavy Ind Ltd , アンリツ株式会社 , 三菱重工業株式会社
发明人： TAURA MASAZUMI , MUTA KENJI , ENDO HIROYUKI , YAMADA SATORU , KIKUKAWA TOMOYUKI , TAKAHASHI YOSHIFUMI , SAITO TAKANORI , NAKAMURA KENICHI
IPC分类号： G01N21/27 , F02D35/00 , F02D41/02 , F02D45/00 , G01N21/35 , G01N21/3504 , G01N21/359
摘要： PROBLEM TO BE SOLVED: To provide an internal combustion engine equipped with an optical spectrum analyzer device enabling to materialize stable operation of the engine, exhaust emission control or the like with using detection data by improving detection precision of detection data of gas composition with using the optical spectrum analyzer device. SOLUTION: In an internal combustion engine igniting and burning air fuel mixture in a combustion chamber by an ignition means or igniting and burning fuel by injecting fuel by a fuel injection valve into pressurized air in the combustion chamber, the optical spectrum analyzer 1 equipped with a high resolution diffraction grating type spectroscope which is a small size high speed electronic measurement device composed of an optical scanner is attached to face an inside of the combustion chamber and combustion light in the combustion chamber is received by the optical spectrum analyzer, and a controller 01 analyzing combustion light input from the optical spectrum analyzer and determining a combustion condition in the combustion chamber is provided. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种配备有能够通过提高气体成分的检测数据的检测精度的检测数据来实现发动机的稳定运转，排气排放控制等的光谱分析装置的内燃机使用光谱分析仪。解决方案：在内燃机中，通过点火装置点燃和燃烧燃烧室内的空气燃料混合物，或者通过燃料喷射阀将燃料喷射到燃烧室内的加压空气中燃烧燃料，光谱分析仪1 配备有由光学扫描器构成的小尺寸高速电子测量装置的高分辨率衍射光栅型分光装置，面对燃烧室的内部，燃烧室内的燃烧光被光谱分析仪接收，分析控制器01分析从光谱分析仪输入的燃烧光并确定燃烧室中的燃烧状态。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2010210491A Optical heterodyne spectrum analyzer 有权
标题翻译：光学异质谱分析仪
公开(公告)号：JP2010210491A
公开(公告)日：2010-09-24
申请号：JP2009057994
申请日：2009-03-11
申请人： Anritsu Corp , アンリツ株式会社
发明人： SAITO TAKANORI
IPC分类号： G01J3/02 , G01J3/26 , G01J9/02
摘要： PROBLEM TO BE SOLVED: To perform determination of wavelength and power values of a spectrum and their calibration such as correction with a simple configuration.
SOLUTION: A wave length detection part 200 detects a predetermined wavelength interval and transmits transmission light corresponding to a spectrum wavelength interval by allowing an etalon 11 to receive swept light output from a variable-wavelength light source and transmit the light at the predetermined wavelength interval. A measuring part 100 calibrates a spectrum detected by the wavelength detection parton the basis of the wavelengths of light to be measured whose powers have been measured. Moreover, based on each peak power corresponding to the predetermined wavelength interval output from the wavelength detection part, a correction part 10 corrects the power of the spectrum measured by the measuring part.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：以简单的配置来执行光谱的波长和功率值及其校正如校正的确定。解决方案：波长检测部分200通过允许标准具11接收从可变波长光源输出的扫描光并且以预定的波长的光源发射光，来检测预定波长间隔并发送与频谱波长间隔相对应的透射光波长间隔。测量部件100基于测量功率的光的波长来校准由波长检测部分检测到的光谱。此外，基于从波长检测部输出的与预定波长间隔相对应的每个峰值功率，校正部10校正由测量部测量的光谱的功率。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2009257973A Coherent otdr device 有权
标题翻译：相邻OTDR设备
公开(公告)号：JP2009257973A
公开(公告)日：2009-11-05
申请号：JP2008108352
申请日：2008-04-17
申请人： Anritsu Corp , アンリツ株式会社
发明人： TANIMOTO TAKAO , OTANI AKIHITO , SAITO TAKANORI
IPC分类号： G01M11/00
摘要： PROBLEM TO BE SOLVED: To improve the S/N of a coherent OTDR (Optical Time Domain Reflectometry) device by suppressing the loss of probe light by an optical frequency shifter.
SOLUTION: This coherent device comprises an optical branching filter 4 for branching the probe light Pp emitted from a probe light source into two optical paths, a CW signal generating section 5 for pulsating one probe light branched by the optical branching filter, superimposing dummy light Pd of an optical frequency different from that of the probe light, and emitting CW test signal light Pt of a constant power to an optical fiber line, an optical frequency shifter 7 for frequency-shifting the other probe light branched by the optical branching filter and emitting local light Pl, a first optical multiplexer 10 for multiplexing the local light and return light Pr from the optical fiber line, and a heterodyne detection section 11 for receiving the multiplexed light multiplexed by the first optical multiplexer and performing heterodyne detection with the return light and the local light.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过抑制光学移频器的探测光的损失来提高相干OTDR（光时域反射仪）装置的S / N。解决方案：该相干装置包括用于将从探测光源发射的探测光Pp分支成两个光路的光分路滤波器4，用于脉冲由光分路滤波器分支的一个探测光的CW信号产生部分5，将与光探测光不同的光频的哑光Pd，向光纤线发射恒定功率的CW测试信号光Pt，用于对通过光分支进行分支的另一探针光进行频移的光移频器7 滤光和发光本地光P1，用于从光纤线路复用局部光和返回光Pr的第一光复用器10和用于接收由第一光复用器复用的复用光并且执行外差检测的外差检测部分11 返回光和本地灯。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009198257A Physical quantity measuring system 有权
标题翻译：物理量测系统
公开(公告)号：JP2009198257A
公开(公告)日：2009-09-03
申请号：JP2008039131
申请日：2008-02-20
申请人： Anritsu Corp , アンリツ株式会社
发明人： SAITO TAKANORI
IPC分类号： G01B11/16
摘要： PROBLEM TO BE SOLVED: To easily measure physical quantity applied to each FBG sensor in a short time even when a plurality of FBG sensors of equal wavelength characteristic including a reference wavelength are interconnected in series by an optical fiber. SOLUTION: An incident pulse light string (c) consisting of a plurality of pulse lights extracted from each sweep light (a) repeating a predetermined wavelength sweep range is applied to the optical fiber 5 into which the plurality of FBG sensors 1 are inserted. In this case, the wavelength of each of sequentially incoming pulse lights of the incident pulse light string (c) is made different for each incident pulse light string, thereby calculating the wavelength characteristic of the reflected light of each FBG sensor based on the light receiving level of each reflected pulse light. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使当包括参考波长的等距波长特性的多个FBG传感器通过光纤串联互连时，也能够在短时间内容易地测量施加到每个FBG传感器的物理量。解决方案：将从重复预定波长扫描范围的每个扫描光（a）提取的多个脉冲光组成的入射脉冲光束（c）施加到多个FBG传感器1中的光纤5 插入。在这种情况下，对于每个入射脉冲光束，入射脉冲光束（c）的顺序入射脉冲光的每个波长的波长不同，从而基于光接收来计算每个FBG传感器的反射光的波长特性每个反射脉冲光的电平。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2008249735A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2008249735A
公开(公告)日：2008-10-16
申请号：JP2008186050
申请日：2008-07-17
申请人： Anritsu Corp , アンリツ株式会社
发明人： TAKAHASHI YOSHIFUMI , SAITO TAKANORI , NAKAMURA KENICHI
IPC分类号： G01N21/39
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor capable of high-speed detection of a plurality of gases. SOLUTION: This gas sensor is equipped with a semiconductor laser 22; an external resonance type wavelength sweeping light source 21, including a diffraction grating 23 for making the semiconductor laser 22 oscillate by an external resonance mode and an MEMS scanner 30, for sweeping the wavelength of light W emitted in the orthogonal direction to the end face 22b of the semiconductor laser 22 in a wavelength range, including the absorption spectrum wavelength characteristics to a detection object gas by driving of the MEMS scanner 30, and allowing the light W subjected to the wavelength sweeping to enter a detection object gas atmosphere; and a light-receiving element 70 for receiving light W' transmitted through the detection object gas atmosphere and detecting its intensity of light. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够高速检测多种气体的气体传感器。
解决方案：该气体传感器配备有半导体激光器22; 外部共振型波长扫描光源21，包括用于使半导体激光器22通过外部共振模式振荡的衍射光栅23和MEMS扫描器30，用于扫描沿正交方向发射的光W的波长至端面22b 通过MEMS扫描器30的驱动将检测对象气体的吸收光谱波长特性包括在内的半导体激光器22的波长范围内，进行波长扫描的光W进入检测对象气体气氛; 以及用于接收通过检测对象气体气氛透射的光W'并检测其光强的光接收元件70。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2005121463A Gas sensor 审中-公开
标题翻译：气体传感器
公开(公告)号：JP2005121463A
公开(公告)日：2005-05-12
申请号：JP2003356229
申请日：2003-10-16
申请人： Anritsu Corp , アンリツ株式会社
发明人： KIKUKAWA TOMOYUKI , TAKAHASHI YOSHIFUMI , SAITO TAKANORI , NAKAMURA KENICHI
IPC分类号： G01J3/18 , G01N21/35 , G01N21/3504 , G01N21/359
摘要： PROBLEM TO BE SOLVED: To provide a gas sensor capable of rapidly detecting a plurality of gases, by combining a wide band light source and a high-speed variable wavelength optical filter. SOLUTION: The gas sensor includes a diffraction grating 25, a MEMS scanner 70 and at least one wide band light source 10 emitting measurement light W having an emission wavelength band meeting the intrinsic absorption spectrum of the object gas. The gas sensor further includes the variable wavelength optical filter 80 and a light-sensitive element 45, where transmitted measurement light S being emitted from the wide band light source 10 and passing through the atmosphere of the object gas is diffracted by the diffraction grating 25, and diffracted light G1 obtained thereby is brought to enter the MEMS scanner 70, to be reflected toward the diffraction grating 25 and to be diffracted by the diffraction grating 25 again in a prescribed direction, thereby obtaining diffracted light G2, and in order that the diffracted light G2 may have a desired wavelength value, the diffracted light (reflected light R) which is reflected from the MEMS scanner 70 toward the diffraction grating 25, is changed in angle by the MEMS scanner 70. The diffracted light G2 emitted from the variable wavelength optical filter 80 is received by the light-sensitive element 45 to detect its light intensity. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过组合宽带光源和高速可变波长光学滤波器来提供能够快速检测多种气体的气体传感器。气体传感器包括衍射光栅25，MEMS扫描仪70和发射具有满足目标气体的固有吸收光谱的发射波长带的测量光W的至少一个宽带光源10。气体传感器还包括可变波长光学滤光器80和感光元件45，其中从宽带光源10发射并穿过对象气体的气体的透射测量光S被衍射光栅25衍射，并将由此得到的衍射光G1进入MEMS扫描器70，以朝向衍射光栅25反射，并在规定的方向上再次被衍射光栅25衍射，从而获得衍射光G2 光G2可以具有期望的波长值，从MEMS扫描仪70向衍射光栅25反射的衍射光（反射光R）由MEMS扫描仪70改变角度。从可变波长发射的衍射光G2 光敏元件45接收光学滤光器80以检测其光强度。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004294828A Optical scanner 有权
公开(公告)号：JP2004294828A
公开(公告)日：2004-10-21
申请号：JP2003087811
申请日：2003-03-27
申请人： Anritsu Corp , アンリツ株式会社
发明人： TAKAHASHI YOSHIFUMI , SAITO TAKANORI , NAKAMURA KENICHI , KUBOTA KAZUO
IPC分类号： G02B26/08
摘要： PROBLEM TO BE SOLVED: To provide an optical scanner that has a simple constitution, can prevent the joints from excessively warping, and can be driven stably with less power without limiting the range of angles for the incident and reflection light.
SOLUTION: Projections 41-44 are provided extending to the outside on the reflection plate 40 supported free to turn through a twistable and deflectable joints 45, 46 inside a frame plate 22. On the frame formed by overlapping three frame plates 22-23, a limiter formed by overlapping frame plate limiter pieces 22e-22h, 23e-23h, 24e-24h is provided to limit the projections 41 to 44 from moving farther than prescribed in the direction along the frame surface. Further, limiter plates 31-34 are formed overlapping each other in front and back of the projections 41-44 to limit them from moving farther than prescribed in the direction orthogonally crossing the frame surface (including the direction turning around the joint 45, 46).
COPYRIGHT: (C)2005,JPO&NCIPI

8. 发明专利

JP2004157082A Optical spectrum analyzer 审中-公开
公开(公告)号：JP2004157082A
公开(公告)日：2004-06-03
申请号：JP2002325221
申请日：2002-11-08
申请人： Anritsu Corp , アンリツ株式会社
发明人： SAITO TAKANORI , KAWAKITA KOJI , TAKAHASHI YOSHIFUMI , NAKAMURA KENICHI
IPC分类号： G01J3/18
摘要： PROBLEM TO BE SOLVED: To enable high-speed measurement having a wide wavelength range.
SOLUTION: A reflector 30 for reflecting diffracted light G1 from a diffraction grating 25 is constituted of fixed substrates 31, 32, shaft parts 33, 34 torsionally deformable along the length direction, elongated with a prescribed width and a prescribed length from the edges thereof, a reflection plate 35 formed by being connected to the tips of the shaft parts 34, 34 at the edge parts thereof and having a reflecting surface formed on one face side. A force is applied to the reflection plate 35 by an electric signal having a frequency corresponding to the characteristic frequency of a part comprising the shaft parts 33, 34 and the reflection plate 35 of the reflector 30, and thereby the reflection plate 35 is reciprocatively rotated with the characteristic frequency or the frequency similar thereto.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2014077723A Wavelength-swept light source and wavelength calibration method 有权
标题翻译：波长光源和波长校准方法
公开(公告)号：JP2014077723A
公开(公告)日：2014-05-01
申请号：JP2012225970
申请日：2012-10-11
申请人： Anritsu Corp , アンリツ株式会社
发明人： NAKAMURA KENICHI , SAITO TAKANORI
IPC分类号： G01J3/10 , G01J3/02
摘要： PROBLEM TO BE SOLVED: To provide a wavelength-swept light source capable of generating accurate swept wavelength information using an inexpensive configuration.SOLUTION: A wavelength-swept light source includes: a light source unit 21 which periodically sweeps the wavelength of output light by swinging an optical member back and forth using a drive signal having a predefined period; a light interference unit 31 which receives the output light from the light source unit 21, splits the light into two components, lets the components travel through separate light paths whose lengths are different by a predetermined wavelength, and combines the two components; a light receiver 32 which receives light combined by the light interference unit 31; a frequency detection unit 35 which detects a frequency of a beat signal that appears on an output of the light receiver 32 resulted from the wavelength sweeping done by the light source unit 21 and a light path length difference of the light interference unit 31; and a calibration unit 36 which calibrates a timing relationship between the drive signal and the output light wavelength on the basis of the known light path length difference of the light interference unit 31 and variation of the beat signal frequency detected by the frequency detection unit 35.
摘要翻译：要解决的问题：提供能够使用廉价的配置产生精确的扫描波长信息的波长扫描光源。解决方案：波长扫描光源包括：光源单元21，其通过摆动周期性地扫描输出光的波长光学构件来回使用具有预定周期的驱动信号; 光干涉单元31，其接收来自光源单元21的输出光，将光分成两部分，使分量行进长度不同于预定波长的分开的光路，并组合两个分量; 接收由光干涉单元31组合的光的光接收器32; 频率检测单元35，其检测由光源单元21进行的波长扫描和光干涉单元31的光路长度差产生的出现在光接收器32的输出上的拍子信号的频率; 以及校准单元36，其基于光干涉单元31的已知光路长度差和由频率检测单元35检测的拍频信号频率的变化来校准驱动信号和输出光波长之间的定时关系。

10. 发明专利

JP2010054357A Optical spectrum monitor 有权
标题翻译：光谱仪监控
公开(公告)号：JP2010054357A
公开(公告)日：2010-03-11
申请号：JP2008219979
申请日：2008-08-28
申请人： Anritsu Corp , アンリツ株式会社
发明人： TANIMOTO TAKAO , SAITO TAKANORI
IPC分类号： G01J3/02 , G01J3/22
摘要： PROBLEM TO BE SOLVED: To measure optical spectra for DWDM transmission, etc. with high-wavelength accuracy.
SOLUTION: An optical spectrum monitor has a diffraction means 3 for diffracting light to be measured, at an angle of diffraction according to the sweeping of an optical spectrum, receives primary diffracted light by the diffraction means 3; converts it into electric signals according to the amount of received light; and outputs it. An incidence means 2 includes both a light source 22 for wavelength monitors, comprising a wide-band light source for emitting light in the vicinity of a half the wavelength of the light to be measured and a multiplexer 23 for combining the light to be measured with light from the light source 22 for wavelength monitors. A wavelength monitor means 6 has a branching part 61 for branching the fird-order diffraction light of the light to be measured and a second-order diffraction light of the light source 22 for wavelength monitors and inputs the second-order diffraction light of the light source 22, for wavelength monitors branched by the branching part 61 for monitoring its wavelength.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：测量具有高波长精度的DWDM传输等的光谱。光谱监视器具有衍射装置3，用于衍射待测光，根据扫描光谱的衍射角，由衍射装置3接收初级衍射光; 根据接收到的光量将其转换为电信号; 并输出。入射装置2包括用于波长监视器的光源22，包括用于发射待测量的光的波长的一半附近的光的宽带光源和用于将待测光与光来自用于波长监视器的光源22的光。波长监视器装置6具有分支部分61，用于将待测光的三阶衍射光和用于波长监视器的光源22的二次衍射光分支，并输入光的二次衍射光源22，用于通过分支部分61分支以监测其波长的波长监视器。版权所有（C）2010，JPO＆INPIT

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