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公开(公告)号：US20070255107A1
公开(公告)日：2007-11-01
申请号：US11797054
申请日：2007-04-30
申请人： Tetsuya Kawanishi
发明人： Tetsuya Kawanishi
IPC分类号： A61B1/12
CPC分类号： A61B1/00068 , A61B1/00091 , A61B1/126 , A61B1/3132
摘要： An endoscope system is provided and includes: a plurality of guide tubes that is pierced into a subject coelom swelled by supplying a pressurized gas; an endoscope inserted into one of the plurality of guide tubes; a treatment piece inserted into at least the other one of the plurality of guide tubes; an injection nozzle that intermittently inject a cleaning gas to an observation window at a front end of an inserting portion of the endoscope so as to flow along a surface of the observation window, the cleaning gas being the same as the pressurized gas; and a cleaning gas supply controller capable of setting an injection pressure and an injection time period of the cleaning gas under a condition that an injection amount of the cleaning gas becomes equal to or smaller than a leakage amount of the pressurized gas leaked from inside of the coelom.
摘要翻译： 提供一种内窥镜系统，包括：通过供给加压气体而被刺入被检体内的多个导管; 插入所述多个导管中的一个的内窥镜; 插入所述多个导管中的至少另一个的处理片; 将所述清洁气体间歇地喷射到所述内窥镜的插入部的前端的观察窗，沿着所述观察窗的表面流动，所述清洁气体与所述加压气体相同; 以及清洁气体供给控制器，其能够在清洁气体的喷射量变为等于或小于从内部泄漏的加压气体的泄漏量的条件下设定清洗气体的喷射压力和喷射时间段 coelom。
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公开(公告)号：US07133190B2
公开(公告)日：2006-11-07
申请号：US10856987
申请日：2004-06-01
申请人： Tetsuya Kawanishi
发明人： Tetsuya Kawanishi
IPC分类号： G02F2/02
CPC分类号： H04B10/50 , G02F1/353 , G02F2/02 , G02F2001/3542 , G02F2203/56
摘要： An optical frequency converter that can use a low-amplitude, high-frequency signal for converting a wide range of optical frequencies. The optical frequency converter includes a device for modulating a lightwave of a preset frequency with a modulation signal to generate a group of sidebands thereof, a device for selecting sidebands from among the group of sidebands, and a device for changing modulation signal frequencies and selecting specific sidebands.
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63.发明授权Method for evaluating characteristic of optical modulator having mach-zehnder interferometer 有权用于评估马赫 - 泽德干涉仪的光学调制器特性的方法公开(公告)号：US08867042B2
公开(公告)日：2014-10-21
申请号：US13394382
申请日：2009-09-07
CPC分类号： G02B6/29355 , G02F1/225 , G02F2001/212 , G02F2203/69
摘要： A method for evaluating a characteristic of, especially, each of Mach-Zehnder interferometers (MZIs) of an optical modulator. The method includes a step of measuring the intensity of the output of the optical modulator containing MZIs and a step of evaluating a characteristic of each MZI by using the sideband. The output intensity measuring step is the one of measuring the intensity Sn,k of the sideband signal contained in the output light from the optical modulator. The characteristic evaluating step is the one of evaluating a characteristic of the MZIk by using the Sn,k.
摘要翻译： 用于评估特别是光调制器的马赫 - 策德尔干涉仪（MZI）的特性的方法。 该方法包括测量包含MZI的光调制器的输出强度的步骤和通过使用边带来评估每个MZI的特性的步骤。 输出强度测量步骤是测量包含在来自光调制器的输出光中的边带信号的强度Sn，k。 特征评估步骤是通过使用Sn，k来评估MZIk的特性之一。
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公开(公告)号：US08472107B2
公开(公告)日：2013-06-25
申请号：US13159397
申请日：2011-06-13
CPC分类号： G02F1/353 , G02F2001/212
摘要： It is an object of the present invention to provide an apparatus that can obtain a multiplied harmonic signal fast and with ease, and the method using the apparatus.The object is attained by the method for obtaining a multiple harmonic signal comprises, suppressing a different parity optical signal having parity different from fundamental optical signals; suppressing residual optical signals using an optical filter after suppressing the different parity optical signal; and obtaining the frequency difference component using the fundamental optical signals, and the device realizing the method.
摘要翻译： 本发明的目的是提供一种能够快速且容易地获得倍增谐波信号的装置，以及使用该装置的方法。 该目的是通过用于获得多重谐波信号的方法来实现的，包括：抑制具有与基本光信号不同的奇偶校验的不同奇偶校验光信号; 在抑制不同奇偶校验光信号之后，使用滤光器抑制残留光信号; 并使用基本光信号获得频差分量，以及实现该方法的装置。
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65.发明授权Method for evaluating characteristics of optical modulator having high-precision Mach-Zehnder interferometers 有权用于评估具有高精度马赫 - 曾德干涉仪的光学调制器特性的方法公开(公告)号：US08351047B2
公开(公告)日：2013-01-08
申请号：US12921235
申请日：2008-03-07
IPC分类号： G01B9/02
CPC分类号： G02F1/225 , G02F2001/212 , G02F2201/18 , G02F2203/69
摘要： ProblemAn object is to provide a method for evaluating characteristics of individual Mach-Zehnder (MZ) interferometers in an optical modulator which includes a plurality of MZ interferometers,Means for Solving ProblemsThe method comprises a step for adjusting a bias voltage of the MZ interferometer, a step for eliminating zero-order components, a step for measuring an output intensity and a step for evaluating characteristics. An optical modulator (1) includes the first MZ interferometer (2) and the second MZ interferometer (3). The first MZ interferometer (2) includes wave-branching section (5). Two arms (6,7), wave coupling section (8) and electrodes which is not shown in figures.
摘要翻译： 问题目的是提供一种用于评估包括多个MZ干涉仪的光学调制器中的各个马赫 - 曾德（MZ）干涉仪的特性的方法，该方法包括用于调整MZ干涉仪偏置电压的步骤 消除零级分量的步骤，测量输出强度的步骤和用于评估特性的步骤。 光调制器（1）包括第一MZ干涉仪（2）和第二MZ干涉仪（3）。 第一MZ干涉仪（2）包括波分支部分（5）。 两个臂（6,7），波形耦合部分（8）和电极，未示于图中。
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公开(公告)号：US07787121B2
公开(公告)日：2010-08-31
申请号：US12175033
申请日：2008-07-17
IPC分类号： G01N21/25
CPC分类号： G01J3/51 , A61B1/00163 , A61B1/00186 , A61B1/043 , A61B1/063 , A61B1/0638 , A61B1/0669 , G01J3/36 , G01J3/513 , H04N5/2256 , H04N5/33 , H04N9/045 , H04N9/07 , H04N9/09 , H04N2209/043 , H04N2209/044 , H04N2209/045
摘要： An imaging apparatus includes a light source unit that selectively outputs white light and light in a different wavelength band to an observation target, an imaging unit including an imaging device, and a spectral image formation circuit that generates a spectral image signal for a specified wavelength by an operation using an image signal based on an output from the imaging unit and predetermined matrix data. The imaging unit selectively obtains an image of the observation target for each of first, second and third light components in a visible light region and an image for each of at least fourth and fifth light components in a near-infrared region. Further, the imaging unit includes first spectral devices that make only the first and fourth light components enter first pixels of the imaging device and second spectral devices that make only the second and fifth light components enter second pixels thereof.
摘要翻译： 一种成像设备包括：光源单元，其选择性地将白光和不同波长带的光输出到观察对象;成像单元，包括成像装置;以及光谱图像形成电路，其通过以下方式产生特定波长的光谱图像信号 使用基于来自成像单元的输出的图像信号和预定矩阵数据的操作。 成像单元在近红外区域中选择性地获得可见光区域中的第一，第二和第三光分量中的每一个的观察目标图像和用于至少第四和第五光分量中的每一个的图像。 此外，成像单元包括仅使第一和第四光分量进入成像装置的第一像素的第一光谱装置和仅使第二和第五光分量进入其第二像素的第二光谱装置。
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公开(公告)号：US20090304393A1
公开(公告)日：2009-12-10
申请号：US12306117
申请日：2006-06-23
IPC分类号： H04B10/04
CPC分类号： G02F1/2255
摘要： It is an object to provide an optical frequency control device or the like which can quickly carry out control over a wide frequency range. The object is achieved by an optical frequency control device or the like comprised of an optical SSB modulator (2), a bias voltage source (3) for applying a bias voltage to the optical SSB modulator (2), and a modulating signal source (4) for applying a modulating signal to the optical SSB modulator (2), wherein the modulating signal source (4) is provided with an arbitrary waveform generator (5) for generating an electrical signal with an arbitrary waveform, and an electrical signal multiplier (6) for multiplying a frequency of the electrical signal generated by the arbitrary waveform generator (5).
摘要翻译： 本发明的目的是提供一种能够在宽频率范围内快速进行控制的光频控制装置等。 该目的通过由光学SSB调制器（2），用于向光学SSB调制器（2）施加偏置电压的偏置电压源（3）和调制信号源（2）的光学频率控制装置等实现， 4）用于向光学SSB调制器（2）施加调制信号，其中调制信号源（4）设有用于产生具有任意波形的电信号的任意波形发生器（5）和电信号乘法器 6），用于乘以由任意波形发生器（5）产生的电信号的频率。
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公开(公告)号：US20080267565A1
公开(公告)日：2008-10-30
申请号：US11628572
申请日：2005-06-01
IPC分类号： G02B6/42
CPC分类号： G02F1/035 , G02F1/3136 , G02F1/3137 , G02F2001/212 , G02F2201/16 , G02F2201/34 , G02F2203/50
摘要： The invention provides tunable delay or resonator devices in an electro optical substrate. Signals in at least one waveguide in the electro optical substrate pass through Y-junction reflectors which direct signals from one branch of the waveguide back into another branch of the waveguide. A coupled delay or resonator approximated loop is presented in an embodiment of the invention with opposing Y-junction reflectors. In other embodiments of the invention, a delay ladder is provided with selectable levels of delay from multiple outputs.
摘要翻译： 本发明在电光学衬底中提供可调延迟或谐振器装置。 在电光学衬底中的至少一个波导中的信号通过Y形结反射器，其将信号从波导的一个分支引导回到波导的另一分支。 耦合延迟或谐振器近似环在本发明的具有相对的Y结反射器的实施例中呈现。 在本发明的其它实施例中，向多个输出端提供延迟梯形图，其具有可选择的延迟级别。
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公开(公告)号：US06600588B2
公开(公告)日：2003-07-29
申请号：US09820664
申请日：2001-03-30
申请人： Tetsuya Kawanishi
发明人： Tetsuya Kawanishi
IPC分类号： G02F103
CPC分类号： G02F1/0311 , G02F1/0327 , G02F2/02 , G02F2201/17 , G02F2203/055
摘要： A, reciprocating optical modulation system includes a device that modulates light of a predetermined frequency by an integer multiple n to produce a group of nth order sidebands thereof; a device that modulates the nth order sidebands to produce (n+1)th order sidebands; and a device that selects at least part of the (n+1)th order sidebands.
摘要翻译： A，往复式光调制系统包括：将预定频率的光调制整数倍n以产生其n阶边带组的装置; 调制n阶边带以产生（n + 1）个边带的装置; 以及选择至少部分第（n + 1）个边带的装置。
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70.发明申请METHOD FOR EVALUATING CHARACTERISTIC OF OPTICAL MODULATOR HAVING MACH-ZEHNDER INTERFEROMETER 有权具有MACH-ZEHNDER干涉仪的光学调制器特性评估方法公开(公告)号：US20120162656A1
公开(公告)日：2012-06-28
申请号：US13394382
申请日：2009-09-07
IPC分类号： G01B9/02
CPC分类号： G02B6/29355 , G02F1/225 , G02F2001/212 , G02F2203/69
摘要： A method for evaluating a characteristic of, especially, each of Mach-Zehnder interferometers (MZIs) of an optical modulator. The method includes a step of measuring the intensity of the output of the optical modulator containing MZIs and a step of evaluating a characteristic of each MZI by using the sideband. The output intensity measuring step is the one of measuring the intensity Sn,k of the sideband signal contained in the output light from the optical modulator. The characteristic evaluating step is the one of evaluating a characteristic of the MZIk by using the Sn,k.
摘要翻译： 用于评估特别是光调制器的马赫 - 策德尔干涉仪（MZI）的特性的方法。 该方法包括测量包含MZI的光调制器的输出强度的步骤和通过使用边带来评估每个MZI的特性的步骤。 输出强度测量步骤是测量包含在来自光调制器的输出光中的边带信号的强度Sn，k。 特征评估步骤是通过使用Sn，k来评估MZIk的特性之一。
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