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    • 21. 发明授权
    • Information card system
    • 信息卡系统
    • US07290709B2
    • 2007-11-06
    • US11279286
    • 2006-04-11
    • Erica TsaiJohn C. Tsai
    • Erica TsaiJohn C. Tsai
    • G06K7/08G06K19/06G08B13/14G11B5/74G11B23/00
    • G06K19/08G06K7/084G06K19/06196G06K19/083
    • A data distribution system (10) including an information card (12) to work with a reader (14, 72). The information card (12) includes visible indicia (20) on its front, stripe zones (34) and a ring zone (36) nominally “on” its back and a radio-frequency identification (RFID) tag (70). The zones (34, 36) are suitable for magnetically recording and the RFID tag is suitable for electronically storing data. Optional characteristics for such data can concurrently be recorded or stored. The reader (14, 72) may be a linear reader (14a), a rotary reader (14b), a card-stationary reader (14c, 14d), or a RFID reader/interrogator (72), and may optionally act automatically in response to reading one or more of the optional data characteristics. If the reader (14) is a rotary reader (14b) the information card (12) may particularly be loaded into a cartridge (16) which is loaded into the rotary reader (14b).
    • 一种数据分发系统(10),包括与读取器(14,72)一起工作的信息卡(12)。 信息卡(12)在其前面包括可视标记(20),条形区(34)和名义上“在其背面上的环形区(36)和射频识别(RFID)标签(70)”。 区域(34,36)适用于磁记录,RFID标签适用于电子存储数据。 可同时记录或存储这些数据的可选特性。 读取器(14,72)可以是线性读取器(14a),旋转读取器(14b),卡固定式读取器(14c,14d)或RFID读取器/询问器(72),并且可以 可选地响应于读取一个或多个可选数据特征而自动地进行操作。 如果读取器(14)是旋转读取器(14b),则信息卡(12)可以特别地被装载到装载到旋转读取器(14b)中的盒(16)中。
    • 22. 发明授权
    • Athermal fiber Bragg grating
    • 热光纤布拉格光栅
    • US07116846B2
    • 2006-10-03
    • US10906289
    • 2005-02-11
    • Joseph A. MethePey Schuan JianPeiti SuDavid W. WangJohn C. Tsai
    • Joseph A. MethePey Schuan JianPeiti SuDavid W. WangJohn C. Tsai
    • G02F1/295G02B6/34
    • G02F1/0115G02B6/0218G02F2201/307G02F2203/60
    • An a thermal fiber Bragg grating assembly. A platform provides two attachment locations and has a first coefficient of thermal expansion. A stick provides two ends and has a second coefficient of thermal expansion. A fiber Bragg grating provides two ends and has effective third coefficient of thermal expansion. One stick end is fixed to one grating end, the other stick end is fixed to one attachment location, and the other grating end is fixed to the other attachment location. The stick has a same cross-section area along its length that is equal to or less than the cross-section area of the grating. And the coefficients and lengths between respective locations and ends are such that the assembly exhibits an effective overall coefficient of thermal expansion approaching zero.
    • 一个热纤维布拉格光栅组件。 平台提供两个附接位置并具有第一热膨胀系数。 棒提供两端并具有第二热膨胀系数。 光纤布拉格光栅提供两端,并具有有效的第三热膨胀系数。 一个杆端固定到一个光栅端,另一个杆端固定到一个附接位置,另一个光栅端固定到另一个附着位置。 该棒具有等于或小于光栅的横截面积的沿其长度具有相同的横截面积。 并且各个位置和端部之间的系数和长度使得组件呈现接近零的有效的总体热膨胀系数。
    • 24. 发明授权
    • Interference filter fabrication
    • 干涉滤波器制造
    • US06804060B1
    • 2004-10-12
    • US09968163
    • 2001-09-28
    • John C. TsaiDavid W. Wang
    • John C. TsaiDavid W. Wang
    • G02B110
    • G02B5/285G02B5/201
    • An interference filter (10) and a process (100) by which it may be fabricated. A substrate (12, 52, 82) is provided and a working region (56, 84) is defined therein or thereupon. Relative to the horizontal substrate (12, 52, 82), a plurality of vertical layers having differing refractive index are then constructed by applying material into the working region (56, 84) or altering material already in the working region (56, 84). Photo masking and etching processes may be used to selectively remove material in the working region (56, 84) for applying additional material having a differing refractive index. Photo masking and impurity doping processes may be used to selectively change material to have a differing refractive index.
    • 干涉滤光器(10)和可以被制造的工艺(100)。 提供了基板(12,52,82),并且在其中或其上限定了工作区域(56,84)。 然后相对于水平基板(12,52,82),通过将材料施加到工作区域(56,84)中或者改变已经在工作区域(56,84)中的材料来构造具有不同折射率的多个垂直层, 。 可以使用光掩模和蚀刻工艺来选择性地去除工作区域(56,84)中的材料,以施加具有不同折射率的附加材料。 可以使用光掩模和杂质掺杂工艺来选择性地改变材料以具有不同的折射率。
    • 25. 发明授权
    • Frequency locker
    • 频率储物柜
    • US06731659B1
    • 2004-05-04
    • US10039276
    • 2002-01-04
    • John C. TsaiDavid W. Wang
    • John C. TsaiDavid W. Wang
    • H01S3098
    • H04B10/572G01J3/26G01J2009/0257H01S3/13H04B10/07H04B10/503
    • A frequency locker (100) for working with external light sources or frequency locked light sources (200, 300, 400) having integrated laser light sources (214, 414). The locker (100) provides multi-channel frequency tuning and stabilization with common components, particularly including common beam splitters (114, 118), an interferometer (128), and a processing circuit (138). The locked light source (200) integrates a light source (214) and single channel frequency tuning and stabilization capabilities. The locked light source (300) integrates multiple instances of the locked light source (200) within a single housing (312) to provide multi-channel capability. And the locked light source (400) provides multi-channel frequency tuning and stabilization with common components, particularly including a single beam splitter (420), an interferometer (426), and a processing circuit (434).
    • 一种频率锁定器(100),用于处理具有集成激光光源(214,414)的外部光源或频率锁定光源(200,300,400)。 储物柜(100)提供具有公共部件的多通道频率调谐和稳定,特别是包括公共分束器(114,118),干涉仪(128)和处理电路(138)。 锁定光源(200)集成了光源(214)和单通道频率调谐和稳定能力。 锁定光源(300)将锁定光源(200)的多个实例集成在单个壳体(312)内以提供多通道能力。 并且锁定光源(400)提供具有公共部件的多通道频率调谐和稳定,特别是包括单个分束器(420),干涉仪(426)和处理电路(434)。
    • 26. 发明授权
    • Rotation and translation measurement with phase sensitive detection
    • 用相敏检测进行旋转和平移测量
    • US06316779B1
    • 2001-11-13
    • US09434100
    • 1999-11-05
    • John C. Tsai
    • John C. Tsai
    • G01D534
    • G11B5/5552G11B21/02G11B21/08G11B21/106
    • A position determining system (10) particularly useful for translation and rotation measurement. The position of a stage (12) is optically detected using light beams (124) and sensors (132) in a detection section (112). In a control section (114), electronic processing using amplifiers (152, 166), phase-sensitive synchronous demodulators (158, 168), and filters (160, 170) then produces position signals (162, 172) which a logic unit (174) processes into a results signal (180) which is communicated via a communications link (176) to an external system (22). The external system (22) may then display the measurement results for a human user or use them as feedback to control movement of the stage (12). Optionally, the external system (22) may send instruction signals (178) via the communications link (176) to the logic unit (174) to control the operation of the position determining system (10).
    • 一种特别适用于平移和旋转测量的位置确定系统(10)。 在检测部分(112)中使用光束(124)和传感器(132)光学检测舞台(12)的位置。 在控制部分(114)中,使用放大器(152,166),相敏同步解调器(158,168)和滤波器(160,170)的电子处理然后产生位置信号(162,172),逻辑单元 174)处理成通过通信链路(176)传送到外部系统(22)的结果信号(180)。 然后,外部系统(22)可以显示人类用户的测量结果或者使用它们作为反馈来控制舞台(12)的移动。 可选地,外部系统(22)可以经由通信链路(176)向逻辑单元(174)发送指令信号(178),以控制位置确定系统(10)的操作。
    • 27. 发明授权
    • Transverse Zeeman laser
    • 横向塞曼激光
    • US5995526A
    • 1999-11-30
    • US187913
    • 1998-11-06
    • Guang-Yao YanJohn C. Tsai
    • Guang-Yao YanJohn C. Tsai
    • H01S3/104H01S3/139H01S3/223H01S3/00
    • H01S3/104H01S3/1396H01S3/223
    • The present invention is a laser (12) having a resonator (28) between an output coupling mirror (20) and a high-reflection mirror (26). A photoelastic plate (38) is incorporated in a photoelastic cell (24), or a photoelastic mirror (36) used in place of the high-reflection mirror (26). The photoelastic plate (38) is placed in the resonator (28) and introduces an artificial anisotropy to the laser (12). The photoelastic plate (38) has privileged directions (34), which are aligned with the axes of the artificial anisotropy. A magnetic field (32) is applied transversely to the resonator (28), in alignment with one of the privileged directions (34), to produce two orthogonal linearly polarized frequencies in an output beam (30) with the Zeeman effect.
    • 本发明是在输出耦合镜(20)和高反射​​镜(26)之间具有谐振器(28)的激光器(12)。 光弹性板(38)被结合在光弹性单元(24)中,或光弹性反射镜(36)代替高反射镜(26)。 光弹性板(38)被放置在谐振器(28)中并向激光器(12)引入人造各向异性。 光弹性板(38)具有与人造各向异性轴对准的特权方向(34)。 横向于谐振器(28)的磁场(32)与特权方向(34)对准,以在具有塞曼效应的输出光束(30)中产生两个正交的线偏振频率。
    • 28. 发明授权
    • Hazard mitigation for railway track intrusions at train station platforms
    • 火车站平台铁路轨道入侵危害减轻
    • US07245217B2
    • 2007-07-17
    • US10906801
    • 2005-03-07
    • John C. Tsai
    • John C. Tsai
    • G08G1/00G08B13/00
    • B61L23/041B61L23/00
    • A hazard mitigation system to detect intrusion by an object into a track zone at a train station platform. A structure is provided that includes a fixed foundation and a surface layer that is cushionably placed above the foundation, such that the structure is located in the track zone. At least one sensor is mounted between the surface layer and the foundation. This sensor senses the weight of the object upon the surface layer and provides a sensor signal representative of that weight. A control unit receives the sensor signal, processes it to determine whether the object represents a potential hazard, and, if so generates a warning signal. The sensor can particularly include a strain or pressure gage, or a fiber optic sensor. When a fiber optic sensor is employed, it can particularly include a fiber Bragg grating.
    • 一种危害缓解系统,用于检测物体入站到火车站平台的轨道区域。 提供一种结构,其包括固定基座和缓冲地放置在基座上方的表面层,使得该结构位于轨道区域中。 至少一个传感器安装在表面层和基础之间。 该传感器感测物体在表面层上的重量,并提供表示该重量的传感器信号。 控制单元接收传感器信号,处理它以确定对象是否表示潜在危险,并且如果产生警告信号。 传感器可以特别包括应变或压力计,或光纤传感器。 当采用光纤传感器时,它可以特别包括光纤布拉格光栅。
    • 29. 发明授权
    • Rotation and translation measurement
    • 旋转和平移测量
    • US07110121B2
    • 2006-09-19
    • US10053508
    • 2001-11-10
    • John C. Tsai
    • John C. Tsai
    • G01B11/02
    • G01B9/02027G01B9/02019G01B9/02045G01B2290/15G11B5/5552G11B21/02G11B21/08G11B21/106
    • A position determining system (PDS)(100) or multiple parameters measurement system (MPMS)(300) particularly useful for translation and rotation measurement of objects having up to five degrees of freedom. A light source (122, 302) provides light beams (124, 304) into at least two channels. Each channel may include an interferometer (310), reflective target (110, 314), beam splitter (128, 312), detector (132, 316), and receiver (318). In concert, the detectors (132, 316) sense horizontal, vertical, and roll position and the receivers (318) sense longitudinal and yaw position change. Optionally, modulation can be imposed on the light beams (124, 304) and phase-sensitive synchronous demodulation used to enhance accuracy.
    • 位置确定系统(PDS)(100)或多参数测量系统(MPMS)(300),对于具有至多五个自由度的物体的平移和旋转测量特别有用。 光源(122,302)将光束(124,304)提供到至少两个通道中。 每个通道可以包括干涉仪(310),反射目标(110,314),分束器(128,312),检测器(132,316)和接收器(318)。 一致地,检测器(132,316)感测水平,垂直和滚动位置,并且接收器(318)感测纵向和偏航位置变化。 可选地,可以对光束(124,304)施加调制,并且用于提高精度的相敏同步解调。
    • 30. 发明授权
    • Information card system
    • 信息卡系统
    • US07025265B2
    • 2006-04-11
    • US10711355
    • 2004-09-13
    • Erica TsaiJohn C. Tsai
    • Erica TsaiJohn C. Tsai
    • G06K7/08
    • H04B10/572G06K7/084G06K19/083G06K19/12H04B10/503
    • A data distribution system (10) including an information card (12) and a reader (14). The information card (12) includes visible indicia (20) on its front and stripe zones (34) and a ring zone (36) on its back. The zones (34, 36) are suitable for magnetically recording data, and optional characteristics for such data. The reader (14) may be a linear reader (14a), a rotary reader (14b), or a card-stationary reader (14c, 14d) and may optionally act automatically in response to reading one or more of the optional data characteristics. If the reader (14) is a rotary reader (14b) the information card (12) may particularly be loaded into a cartridge (16) which is loaded into the rotary reader (14b).
    • 一种包括信息卡(12)和读取器(14)的数据分发系统(10)。 信息卡(12)在其前面包括可见标记(20),在其背面包括条带区(34)和环形区(36)。 区域(34,36)适用于磁记录数据,以及适用于这些数据的可选特性。 读取器(14)可以是线性读取器(14a),旋转读取器(14b)或卡固定读取器(14c,14d),并且可以可选地响应于读取一个或多个 可选数据特征。 如果读取器(14)是旋转读取器(14b),则信息卡(12)可以特别地被装载到装载到旋转读取器(14b)中的盒(16)中。