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    • 12. 发明授权
    • Buried ridge waveguide laser diode
    • 埋脊波导激光二极管
    • US07551658B2
    • 2009-06-23
    • US11633739
    • 2006-12-05
    • Su Hwan OhKi soo KimOh Kee KwonYong soon Baek
    • Su Hwan OhKi soo KimOh Kee KwonYong soon Baek
    • H01S5/00
    • H01S5/2231B82Y20/00H01S5/1039H01S5/2222H01S5/3211H01S5/3213H01S5/34306
    • Provided is a buried ridge waveguide laser diode that has improved temperature characteristics and can reduce optical loss by a leakage current. The buried ridge waveguide laser diode includes: a ridge region that extends vertically with a constant width and is composed of a selective etching layer and a first compound layer formed of a first conductive type material on a portion of the clad layer; and a p-n-p current blocking layer that has a thickness identical to the depth of the ridge region on the clad layer outside the ridge region and includes a second compound layer formed of a second conductive type material opposite to the first conductive type material. At this time, the current blocking layer includes the first compound layer extending on the second compound layer.
    • 提供了具有改善的温度特性并且可以通过漏电流来减少光学损耗的埋脊式波导激光二极管。 掩埋脊波导激光二极管包括:以恒定宽度垂直延伸的脊区域,并且由包层的一部分上的选择性蚀刻层和由第一导电型材料形成的第一复合层构成; 以及p-n-p电流阻挡层,其厚度与脊区域外的包覆层上的脊区域的深度相同,并且包括由与第一导电类型材料相对的第二导电类型材料形成的第二化合物层。 此时,电流阻挡层包括在第二化合物层上延伸的第一化合物层。
    • 15. 发明授权
    • Vehicle weight measuring structure and vehicle weight measuring apparatus using the same
    • 车辆重量测量结构和使用其的车辆重量测量装置
    • US07094976B2
    • 2006-08-22
    • US10633968
    • 2003-08-04
    • Ki-Soo Kim
    • Ki-Soo Kim
    • G01G19/02
    • G01G19/024
    • Disclosed is a vehicle weight measuring structure. The structure comprises a base plate; a plurality of support elements placed on the base plate, each support element having a pair of legs which project downward and are separated from each other by a predetermined distance to be brought into contact with the base plate, each leg having a free end serving as a contact part which possesses a rounded contour; and a structure body horizontally supported by the plurality of support elements in a manner such that an upper surface of the structure body and an upper surface of a road become coplanar, for transferring a load of a vehicle traveling on the road to the support elements.
    • 公开了一种车辆重量测量结构。 该结构包括基板; 多个支撑元件放置在基板上,每个支撑元件具有向下突出并相互隔开预定距离的一对支腿,以与底板接触,每个支腿具有作为 具有圆形轮廓的接触部分; 以及由所述多个支撑元件水平地支撑的结构体,其结构体的上表面和道路的上表面变得共面,用于将在道路上行驶的车辆的载荷传递到支撑元件。
    • 17. 发明授权
    • Strain measurement module with tunable light generator and strain measurement system using the same
    • 具有可调光发生器和应变测量系统的应变测量模块
    • US06961120B2
    • 2005-11-01
    • US10700481
    • 2003-11-05
    • Gi Sung PangYoung Chul SongKi Soo Kim
    • Gi Sung PangYoung Chul SongKi Soo Kim
    • G01D5/353G01L1/24G01N21/00
    • G01L1/246G01D5/35316
    • A strain measurement system includes a tunable light generator, a coupler, a fiberoptic sensor unit, and an optical detector. The tunable light generator includes a Super Luminescent light emission Diode (SLD), and a tunable Fabry-Perrot (FP) filter cascaded to an output terminal of the SLD to convert light having a wideband spectrum into discrete optical signals. The coupler receives and distributes the optical signals and passes them to a wavelength compensation device which detects wavelengths of the optical signals. The fiberoptic sensor unit receives the optical signals from the tunable light generator through the coupler and transmits a response signal corresponding to a variation of strain attributable to load. The optical detector detects the response signal output from the fiberoptic sensor through the coupler.
    • 应变测量系统包括可调光发生器,耦合器,光纤传感器单元和光学检测器。 可调谐光发生器包括超亮度发光二极管(SLD)和可调谐的法布里 - 珀罗(FP)滤波器,级联到SLD的输出端,以将具有宽带频谱的光转换成离散的光信号。 耦合器接收并分配光信号并将它们传递到检测光信号的波长的波长补偿装置。 光纤传感器单元通过耦合器接收来自可调光发生器的光信号,并发送对应于归因于负载的应变变化的响应信号。 光检测器通过耦合器检测从光纤传感器输出的响应信号。
    • 18. 发明授权
    • Apparatus and method for channel estimation in radio communication system
    • 无线电通信系统中信道估计的装置和方法
    • US06751274B2
    • 2004-06-15
    • US09737406
    • 2000-12-15
    • Kyu-Hak KimJe-Woo KimHyung-Suk KimKi-Soo Kim
    • Kyu-Hak KimJe-Woo KimHyung-Suk KimKi-Soo Kim
    • H04L100
    • H04L25/0214H04L25/0232
    • There is provided a channel estimating apparatus and method in a radio communication system. In the channel estimating apparatus, a fading estimator estimates a channel using preset symbols of an input signal, a first interpolator interpolates the other symbols of the input signal based on the fading estimation, a first inverter inverts the output signal of the first interpolator, a first delay delays the input signal for a predetermined time, a first multiplier primarily compensates the output signal of the first delay by means of the output signal of the first inverter, a second interpolator interpolates each symbol of the input signal relating to primarily compensated symbols in a predetermined period before and after the symbol, a level controller controls the level of the output signal of the second interpolator, a second inverter inverts the output signal of the level controller, a second delay for delays the primarily compensated signal for a predetermined time, and a second multiplier secondarily compensates the output signal of the second delay by means of the output signal of the second inverter.
    • 提供了一种无线电通信系统中的信道估计装置和方法。 在信道估计装置中,衰落估计器使用输入信号的预设符号来估计信道,第一内插器基于衰落估计内插输入信号的其他符号,第一反相器反转第一内插器的输出信号, 第一延迟将输入信号延迟预定时间,第一乘法器主要通过第一反相器的输出信号来补偿第一延迟的输出信号,第二内插器将与主要补偿符号相关的输入信号的每个符号内插 电平控制器控制第二内插器的输出信号的电平,第二反相器反转电平控制器的输出信号,延迟预定时间的主要补偿信号的第二延迟, 并且第二乘法器借助于输出二次补偿第二延迟的输出信号 信号。
    • 19. 发明授权
    • Cold rolled steel sheet for shadow mask made by low-temperature
annealing and manufacturing method therefor
    • 通过低温退火制造的荫罩用冷轧钢板及其制造方法
    • US6117253A
    • 2000-09-12
    • US215841
    • 1998-12-18
    • Ki Soo KimHyun Gyu HwangEel Young KimChin Kwan ChangOh Joon Kwon
    • Ki Soo KimHyun Gyu HwangEel Young KimChin Kwan ChangOh Joon Kwon
    • C21D9/46B21B3/00C21D8/02C21D8/12C22C38/00C22C38/04C22C38/06C22C38/18H01J9/14H01J29/07C21D8/00
    • C22C38/04C21D8/0273C22C38/004C22C38/06C22C38/18H01J9/142C21D8/0226C21D8/12
    • The present invention is related to the cold rolled steel sheet for making a shadow mask of a cathode ray tube of a color Braun tube for selecting colors and a manufacturing method therefor. Objects of the present invention are to enable production of a cold rolled steel sheet by one-step cold rolling and low-temperature annealing rather than by the conventional two-step cold rolling and decarburization annealing, and to provide a cold rolled steel sheet for a shadow mask and the manufacturing method therefor having better etchability and formability which are required for the material for a shadow mask than those of the conventional cold rolled steel sheets. The manufacturing method of the cold rolled steel sheet of the present invention is comprised of the steps of homogenizing the aluminum killed steel, which is composed in weight % of less than 0.002% of C, 0.20-0.45% of Mn, 0.015-0.020% of S, less than 0.02% of P, less than 0.01% of Si, 0.01-0.03% of Cr, 0.01-0.02% of Al, 0.0010-0.0020% of O, more than 100 of Mn %/C %, in the range of 5-20 of Al %/O%, in the range of 10-30 of Mn %/S %, a balance of Fe, and other unavoidable impurities, in the temperature range of 1,100-1,250.degree. C.; hot rolling in the finish rolling temperature range of 900-950.degree. C.; coiling in the temperature range of 720-750.degree. C.; cold rolling in the reduction ratio range of 75-85%; and low-temperature annealing in the non-recrystallization temperature range of 540-640.degree. C.
    • 本发明涉及用于制造用于选择颜色的彩色布朗管的阴极射线管的荫罩的冷轧钢板及其制造方法。 本发明的目的是通过一步冷轧和低温退火而不是通过常规的两步冷轧和脱碳退火来生产冷轧钢板,并且提供一种冷轧钢板 阴影掩模及其制造方法具有比常规冷轧钢板更好的蚀刻性和成形性,这对于荫罩材料是必需的。 本发明的冷轧钢板的制造方法包括以下步骤:将铝镇静钢均质化,其重量%小于0.002%的C,0.20-0.45%的Mn,0.015-0.020% 的S,小于0.02%的P,小于0.01的Si,0.01-0.03%的Cr,0.01-0.02%的Al,0.0010-0.0020%的O,超过100的Mn%/ C%,在 范围在Al%/ O%的范围内,在10%〜30%的范围内,Mn%/ S%,余量为Fe等不可避免的杂质,在1100〜1,250℃的温度范围内。 在900-950℃的终轧温度范围内进行热轧。 在720-750℃的温度范围内卷取; 冷轧的减速比范围为75-85%; 在540-640℃的未再结晶温度范围内进行低温退火。