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    • 1. 发明授权
    • Absolute measuring apparatus using laser and scanning mirrors
    • 使用激光和扫描镜的绝对测量装置
    • US5388115A
    • 1995-02-07
    • US61555
    • 1993-05-17
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • G01B9/02H01S3/10G01C3/00
    • G01B9/02007G01B9/02004G01B9/02014G01B9/02069G01B2290/60G01B2290/70
    • An absolute length measuring apparatus comprising light sources, a beam splitter, an object of measurement, a scanning mirror, a light receiver, sampling parts and a distance measuring part. The light sources emit alternately a plurality of coherent light beams having different wavelengths. The beam splitter splits the coherent light beam from the light sources into two optical paths. The object of measurement is located on one of the two optical paths stemming from the beam splitter. The scanning mirror is located on the other optical path stemming from the beam splitter and made movable in the direction of optical axis. The light receiver receives both the reflected light beam from the object of measurement and the reflected light beam from the scanning mirror through the beam splitter. The sampling parts generate sampling signals of various wavelengths by sampling the output of the light receiver every time the light sources emit a coherent light beam while scanned by the scanning mirror. The distance measuring part assumes a synthetic wavelength signal having a wavelength sufficiently greater than any individually generated wavelength based on the phase relations of the sampling signals, and measures the distance to the object of measurement in accordance with the synthetic wavelength signal.
    • 一种包括光源,分束器,测量对象,扫描镜,光接收器,采样部件和距离测量部件的绝对长度测量装置。 光源交替发射具有不同波长的多个相干光束。 分束器将来自光源的相干光束分成两个光路。 测量对象位于源于分束器的两条光路之一上。 扫描镜位于从分束器引出的另一光路上,并使其沿光轴方向移动。 光接收器接收来自测量对象的反射光束和来自扫描镜的反射光束通过分束器。 采样部件通过在扫描反射镜扫描时每次光源发出相干光束时,对光接收器的输出进行采样,来产生各种波长的采样信号。 距离测量部分基于采样信号的相位关系假设具有足够大于任何单独生成的波长的波长的合成波长信号,并且根据合成波长信号测量到测量对象的距离。
    • 2. 发明授权
    • Wavelength stabilizing light source apparatus by maintaining a constant
phase difference
    • 波长稳定光源装置通过保持恒定的相位差
    • US5535003A
    • 1996-07-09
    • US413909
    • 1995-03-30
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • H01S5/068G01B9/02H01S3/13H01S5/0687
    • H01S3/1303G01J9/0246H01S5/0687
    • A wavelength stabilizing light source apparatus comprising a light source, a beam splitter, a scanning mirror, a reflector, a first and a second light receiver, a phase detector and a wavelength stabilizer. The first light receiver receives a first interference signal formed from the interference between coherent light coming from the scanning mirror and coherent light reflected by the first reflecting surface. The second light receiver receives a second interference signal formed from the interference between the coherent light coming from the scanning mirror and the coherent light reflected by the second reflecting surface. The phase detector detects the difference in phase between the first and the second interference signal. The wavelength stabilizer stabilizes the wavelength of the light source by keeping constant the phase difference detected by the phase detector. The apparatus also includes an optical path length difference forming device for keeping a constant difference in length between the first optical path of its first member and the second optical path of its second member despite changes in temperature.
    • 一种波长稳定光源装置,包括光源,分束器,扫描镜,反射器,第一和第二光接收器,相位检测器和波长稳定器。 第一光接收器接收由来自扫描反射镜的相干光和由第一反射表面反射的相干光之间的干涉形成的第一干涉信号。 第二光接收器接收由来自扫描反射镜的相干光与由第二反射面反射的相干光之间的干涉而形成的第二干涉信号。 相位检测器检测第一和第二干涉信号之间的相位差。 波长稳定器通过将相位检测器检测到的相位差保持恒定来稳定光源的波长。 该装置还包括光路长度差形成装置,尽管温度有变化,但仍保持其第一构件的第一光路与其第二构件的第二光路之间的长度上的恒定差。
    • 3. 发明授权
    • Wavelength stabilizing light source apparatus by maintaining a constant
phase difference
    • 波长稳定光源装置通过保持恒定的相位差
    • US5453833A
    • 1995-09-26
    • US61558
    • 1993-05-17
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • Hiroyuki KawashimaFumio OhtomoSusumu SaitoIsao Minegishi
    • H01S5/068G01B9/02H01S3/13H01S5/0687
    • H01S3/1303G01J9/0246H01S5/0687
    • A wavelength stabilizing light source apparatus comprising a light source, a beam splitter, a scanning mirror, a reflector, a first and a second light receiver, a phase detector and a wavelength stabilizer. The first light receiver receives a first interference signal formed from the interference between the coherent light coming from the scanning mirror and coherent light reflected by the first reflecting surface. The second light receiver receives a second interference signal formed from the interference between the coherent light coming from the scanning mirror and the coherent light reflected by the second reflecting surface. The phase detector detects the difference in phase between the first and the second interference signal. The wavelength stabilizer stabilizes the wavelength of the light source by keeping constant the phase difference detected by the phase detector. The apparatus also includes an optical path length difference forming device for keeping a constant difference in length between the first optical path of its first member and the second optical path of its second member despite changes in temperature.
    • 一种波长稳定光源装置,包括光源,分束器,扫描镜,反射器,第一和第二光接收器,相位检测器和波长稳定器。 第一光接收器接收由来自扫描反射镜的相干光和由第一反射表面反射的相干光之间的干涉形成的第一干涉信号。 第二光接收器接收由来自扫描反射镜的相干光与由第二反射面反射的相干光之间的干涉而形成的第二干涉信号。 相位检测器检测第一和第二干涉信号之间的相位差。 波长稳定器通过将相位检测器检测到的相位差保持恒定来稳定光源的波长。 该装置还包括光路长度差形成装置,尽管温度有变化,但仍保持其第一构件的第一光路与其第二构件的第二光路之间的长度上的恒定差。
    • 4. 发明授权
    • Position detecting apparatus based on before and after mode-hop signals
    • 基于前后模式跳信号的位置检测装置
    • US5600442A
    • 1997-02-04
    • US365240
    • 1994-12-28
    • Isao MinegishiHiroyuki KawashimaSusumu Saito
    • Isao MinegishiHiroyuki KawashimaSusumu Saito
    • G01B11/00G01B9/02G01D5/26
    • G01D5/266
    • A position detecting apparatus comprises a light emitter which activates a laser source to emit a light beam so that mode hopping occurs, an interference optical system which directs the light beam from the laser source to a measuring light path on which an object to be measured is located and a reference light path on which a reflection mirror is placed and merges the reflected light beams coming back on the light paths so that the reflected light beams interfere with each other, a light sensor which receives the interference light beam provided by the interference optical system, and a position detector which determines the position of the object of measurement based on the interference signals produced by the light sensor before and after mode hopping caused by the light emitter.
    • 位置检测装置包括:发光体激活激光源发射光束以发生模式跳跃;干涉光学系统,其将来自激光源的光束引导到待测对象的测量光路; 位于其上并配置有反射镜的参考光路,并且将反射回到光路上的反射光合流,使得反射光束彼此干涉;光传感器,其接收由干涉光学器件提供的干涉光束 系统和位置检测器,其基于由光发射器引起的模式跳变之前和之后由光传感器产生的干扰信号来确定测量对象的位置。
    • 5. 发明授权
    • Clinometer
    • 诊所
    • US5317810A
    • 1994-06-07
    • US841161
    • 1992-02-25
    • Masaru IsonoFumio OhtomoSusumu Saito
    • Masaru IsonoFumio OhtomoSusumu Saito
    • G01C9/06G01C9/24G01C9/36
    • G01C9/36G01C2009/066
    • A clinometer provided with a level vial filled with a transparent liquid and a bubble, and a projector for irradiating the level vial. The clinometer includes center calculating means for calculating the center of a bubble from light receiving signals of first and second line sensors and inclination calculating means for calculating an inclination of the level vial from the center calculated by the center calculating means, wherein the first and second line sensors which receive light passing through the level vial are crossed at right angles and located so that the crossed point exists on the central axis of the level vial.
    • 设置有装有透明液体和气泡的液位小瓶的测斜仪和用于照射水平小瓶的投影仪。 测斜仪包括用于从第一和第二线传感器的光接收信号计算气泡中心的中心计算装置和用于计算由中心计算装置计算的中心的液位小瓶的倾斜度的倾斜计算装置,其中第一和第二 接收通过液位小瓶的光的线传感器以直角交叉并且定位成使得交叉点存在于液位小瓶的中心轴上。
    • 6. 发明授权
    • Laser oscillation frequency stabilizer
    • 激光振荡频率稳定器
    • US06477189B1
    • 2002-11-05
    • US09614712
    • 2000-07-12
    • Noriko TakedaHiroyuki KawashimaSusumu Saito
    • Noriko TakedaHiroyuki KawashimaSusumu Saito
    • H01S313
    • H01S5/0687H01S5/005H01S5/0085
    • A laser oscillation frequency stabilizer including a laser light source portion having a laser light source whose oscillation frequency can be controlled and configured to emit a laser beam. The frequency stabilizer includes a polarized beam splitter configured to split a laser beam from the laser light source portion into laser beams having linearly polarized components. The frequency stabilizer includes a quarter wavelength plate converts the laser beams, split by the polarized beam splitters, into circularly polarized laser beams. Further, an absorption cell sealed with gaseous atoms or molecules having a certain absorption spectrum is disposed in an optical path of the circularly polarized laser beams, and has a uniform magnetic field applied thereto. A half mirror reflects partially each of the circularly polarized laser beams back through the absorption cell. A control portion controllably locks the oscillation frequency of the laser light source in accordance with transmitted light reception levels of laser light having passed in opposite directions through the absorption cell
    • 一种激光振荡频率稳定器,包括具有激光光源的激光光源部,该激光光源的振荡频率可以被控制并且被配置为发射激光束。 频率稳定器包括被配置为将来自激光光源部分的激光束分成具有线偏振分量的激光束的偏振分束器。 频率稳定器包括四分之一波长板,将由偏振分束器分离的激光束转换成圆偏振激光束。 此外,在圆偏振激光的光路中设置用具有一定吸收光谱的气态原子或分子密封的吸收单元,并且施加均匀的磁场。 半反射镜部分地将每个圆偏振激光束反射回吸收单元。 控制部可控制地根据透过相反方向通过吸收单元的激光的透射光接收电平来锁定激光光源的振荡频率
    • 9. 发明授权
    • Process for producing fluoropolymer particles
    • 含氟聚合物颗粒的制造方法
    • US08378063B2
    • 2013-02-19
    • US12644306
    • 2009-12-22
    • Susumu SaitoTetsuji ShimohiraTakashi SaekiJunichi Tayanagi
    • Susumu SaitoTetsuji ShimohiraTakashi SaekiJunichi Tayanagi
    • C08F6/00
    • C08F6/24C08F6/001C08F6/003C08F6/12C08F6/20C08F6/22C08F14/18C08L27/12C08F2/04
    • A process for producing fluoropolymer particles includes preparing a solution/dispersion containing fluoropolymer dissolved/dispersed in a first solvent such that the swelling of fluoropolymer by the first solvent is from 50 to 1,200%, and mixing the solution/dispersion with a second solvent such that fluoropolymer forms particles and the swelling of fluoropolymer by the mixture of the first and second solvents is from 0 to 100%. WC/WB is in the range of from 1 to 5, WB represents mass of the first solvent, WC/ represents mass of the second solvent, WC/WB represents a ratio of the mass of the second solvent to the mass of the first solvent. SBC/SB is at most 0.5. SBC represents the swelling by the mixture of the first and second solvents, SB represents the swelling by the first solvent, and SBC/SB represents a ratio of the swelling by the mixture to the swelling by the first solvent.
    • 制备含氟聚合物颗粒的方法包括制备溶解/分散在第一溶剂中的含氟聚合物的溶液/分散体,使得第一溶剂的含氟聚合物的溶胀为50-1200%,并将溶液/分散体与第二溶剂混合使得 氟聚合物形成颗粒,并且通过第一和第二溶剂的混合物的含氟聚合物的溶胀为0至100%。 WC / WB在1至5的范围内,WB表示第一溶剂的质量,WC /表示第二溶剂的质量,WC / WB表示第二溶剂的质量与第一溶剂的质量的比率 。 SBC / SB最多为0.5。 SBC表示第一溶剂和第二溶剂的混合物的溶胀,SB表示第一溶剂的溶胀,SBC / SB表示混合物的溶胀与第一溶剂溶胀的比例。