公开(公告)号：US20050031200A1

公开(公告)日：2005-02-10

申请号：US10830400

申请日：2004-04-23

Applicant: Sang-soo Lee ,  Ho-nam Lee

Inventor： Sang-soo Lee ,  Ho-nam Lee

IPC: H04N5/57 ,  G06K9/00 ,  G06T5/40

CPC classification number: G06T5/40 ,  G06T5/009

Abstract: A black and white stretching system and method for improving contrast of a picture is disclosed. The system includes a histogram distribution calculation unit for calculating a histogram distribution of an input signal of a specified unit, a mean calculation unit for calculating a mean level of the input image signal, a slope calculation unit for calculating black and white stretching slopes in association with the mean level, a ratio calculation unit for calculating a ratio of a picture change based on the histogram distribution of the present input image signal and the previous input image signal, a filtering unit for adjusting the black and white stretching slopes corresponding to the ratio of the picture change, and a stretching unit for stretching the input image signal by mapping the adjusted black and white stretching slopes and the input image signal.

Abstract translation: 公开了一种用于改善图像对比度的黑白拉伸系统和方法。 该系统包括用于计算指定单位的输入信号的直方图分布的直方图分布计算单元，用于计算输入图像信号的平均电平的平均计算单元，用于计算关联的黑白延伸斜率的斜率计算单元 平均等级，用于计算基于当前输入图像信号和先前输入图像信号的直方图分布的图像变化率的比率计算单元，用于调整与比率相对应的黑色和白色拉伸斜率的滤波单元 以及拉伸单元，用于通过映射所调整的黑白延伸斜率和输入图像信号来拉伸输入图像信号。

公开(公告)号：US06222476B1

公开(公告)日：2001-04-24

申请号：US09386029

申请日：1999-08-30

Applicant: Sang-Soo Lee ,  Tzu-Wang Pan

Inventor： Sang-Soo Lee ,  Tzu-Wang Pan

IPC: H03M136

CPC classification number: H03M1/0863 ,  H03M1/365

Abstract: A system and method for reduced metastability errors in an analog-to-digital converter (“ADC”) are disclosed. The ADC comprises comparators configured to output a thermometer code and a thermometer-to-binary encoder for converting the thermometer code to a digital output. The thermometer-to-binary encoder includes a transition detection logic to generate a transition codeword having at least one transition bit corresponding to a transition point in the thermometer code, an intermediate encoding logic to encode the transition codeword into first intermediate signals, a converter logic to convert the first intermediate signals into converted intermediate signals such that same converted intermediate signals result from first intermediate signals corresponding to a transition codeword having more than one transition bit and first intermediate signals corresponding to another transition codeword having one of the more than one transition bit, and a converted signals mapper for mapping the converted signals to the digital output. The transition detection logic may include inverters and AND gates where a threshold voltage of each inverter is preferably greater than a threshold voltage of each corresponding AND gate to which the output of each inverter is input.

Abstract translation: 公开了一种用于降低模拟 - 数字转换器（“ADC”）中的亚稳态误差的系统和方法。 ADC包括比较器，其配置为输出温度计代码和用于将温度计代码转换为数字输出的温度计与二进制编码器。 温度计对二进制编码器包括转换检测逻辑，以产生具有对应于温度计代码中的转变点的至少一个转换位的转换码字，将转换码字编码为第一中间信号的中间编码逻辑，转换器逻辑 将第一中间信号转换成转换的中间信号，使得相同的转换的中间信号由对应于具有多于一个转换位的转换码字的第一中间信号和对应于具有多于一个转换位之一的另一个转换码字的第一中间信号产生 ，以及用于将转换的信号映射到数字输出的转换信号映射器。 转换检测逻辑可以包括反相器和与门，其中每个反相器的阈值电压优选地大于每个反相器的输出输入到的每个对应的与门的阈值电压。

公开(公告)号：US6089635A

公开(公告)日：2000-07-18

申请号：US104636

申请日：1998-06-25

Applicant: Sang Soo Lee

Inventor： Sang Soo Lee

IPC: B25J15/00 ,  B25J15/08 ,  G01R1/04 ,  G01R31/26 ,  H05K13/04 ,  B25J15/02

CPC classification number: G01R1/04 ,  Y10S294/907

Abstract: Modular IC holding device in a modular IC handler, is disclosed, for holding a modular IC when loading or unloading the modular IC, including a lifting block having both ends and a central isolation wall and adapted to move for a certain stroke in up and down directions, a guide bar coupled to the lifting block in a horizontal direction, one pair of horizontal movement cylinders each in one of the ends of the lifting block unitary therewith, one pair of sliders coupled to the guide bar for horizontal movement in opposite directions to each other according to operation of the cylinders, one pair of fingers respectively coupled to the one pair of sliders, and a sensor provided to the lifting block for sensing presence of the modular IC.

Abstract translation: 公开了一种模块化IC处理器中的模块化IC保持装置，用于在装载或卸载模块化IC时保持模块化IC，包括具有两端的提升块和中央隔离壁，并且适于在上下移动一定行程 方向，在水平方向上联接到提升块的引导杆，一对水平移动缸，每个在提升块的一个端部中与其一体形成，一对滑块联接到导杆，用于沿相反方向水平运动， 彼此根据气缸的操作，一对手指分别联接到一对滑块，以及设置到提升块的传感器，用于感测模块化IC的存在。

公开(公告)号：US5764359A

公开(公告)日：1998-06-09

申请号：US821830

申请日：1997-03-21

Applicant: Gap-Youl Lyu ,  Sang-Soo Lee ,  Dong-Ho Lee ,  Chang-Soo Park

Inventor： Gap-Youl Lyu ,  Sang-Soo Lee ,  Dong-Ho Lee ,  Chang-Soo Park

IPC: G01J9/04 ,  G01J9/00 ,  G02F1/35 ,  H01S3/00 ,  H01S3/10 ,  G01B9/02

CPC classification number: G01J9/00

Abstract: An apparatus for measuring the linewidth of a laser is disclosed in which the linewidth of a laser is measured in a wide range from a narrow linewidth to a wide linewidth by utilizing frequency-shifted rays based on a stimulated Brillouin scattering within an optical fiber in an easy and efficient manner. The apparatus according to the present invention includes: an optical signal generating and splitting means for generating optical signals under test, and for splitting them into two sets of signals; a frequency shifting means for amplifying the optical frequency of the optical source of the optical signal generating and splitting means, and then, irradiating the amplified signals into an optical fiber so as to shift the frequency based on a stimulated Brillouin phenomenon; a leading means for minimizing a loss of the frequency shifted rays outputted in a direction opposite to that of original laser beams of the frequency shifting means so as to leading them in a certain direction; and a spectrum analyzing means for receiving the original rays from the optical signal generating and splitting means and for receiving the frequency-shifted rays from the leading means so as to stimulate beatings and to analyze the beaten spectra. The apparatus is applied to measuring the linewidth and channel interval of a laser used in wavelength division multiplexing optical communications.

Abstract translation: 公开了一种用于测量激光器的线宽的装置，其中通过利用基于光纤内的受激布里渊散射的频移射线，在从窄线宽到宽线宽的宽范围内测量激光的线宽。 方便高效的方式。 根据本发明的装置包括：光信号产生和分离装置，用于产生被测光信号，并将它们分成两组信号; 用于放大光信号产生和分离装置的光源的光频率的频移装置，然后将放大的信号照射到光纤中，以便基于受激布里渊现象来移动频率; 用于最小化在与频移装置的原始激光束相反的方向上输出的频移的光线的损失以便沿某一方向引导的引导装置; 以及频谱分析装置，用于从光信号产生和分离装置接收原始光线，并用于接收来自前置装置的频移光线，以便刺激拍打并分析拍频。 该装置用于测量波分复用光通信中使用的激光器的线宽和通道间隔。

公开(公告)号：US20140079401A1

公开(公告)日：2014-03-20

申请号：US14118922

申请日：2012-05-25

Applicant: Han-Hyub Lee ,  Jie-Hyun Lee ,  Eon-Sang Kim ,  Sang-Soo Lee

Inventor： Han-Hyub Lee ,  Jie-Hyun Lee ,  Eon-Sang Kim ,  Sang-Soo Lee

IPC: H04B10/079 ,  H04J14/02

CPC classification number: H04J14/0242 ,  H04B10/0795 ,  H04B10/2587 ,  H04J14/02 ,  H04J2014/0253

Abstract: A wavelength-division multiplexing optical communication system and a method for measuring optical performance of an output signal for the system. The optical communication system includes: a service-provider device; a local node; and a plurality of subscriber devices. The service-provider device includes: a plurality of first optical transceivers; a first optical multiplexer/demultiplexer (OD/OM) connected to the plurality of first optical transceivers; and a seed-light source providing seed light. Each subscriber device includes a second optical transceiver. The local node connects the service-provider device and the plurality of subscriber devices to each other using a DWDM link comprising: a second multiplexer/demultiplexer (OD/OM); and a single-mode optical fiber for transmission. Here, the optical intensity of an output signal of the second optical transceiver is determined by compensating for the value of the loss caused when the output signal passes through the second OD/OM of the local node.

Abstract translation: 一种波分复用光通信系统和用于测量该系统的输出信号的光学性能的方法。 光通信系统包括：服务提供者设备; 一个本地节点; 和多个订户设备。 服务提供者设备包括：多个第一光收发器; 连接到所述多个第一光收发器的第一光复用器/解复用器（OD / OM）; 和提供种子光的种子光源。 每个用户设备包括第二光收发器。 本地节点使用DWDM链路将服务提供商设备和多个用户设备彼此连接，包括：第二多路复用器/解复用器（OD / OM）; 和用于传输的单模光纤。 这里，通过补偿当输出信号通过本地节点的第二OD / OM时引起的损耗的值来确定第二光收发器的输出信号的光强度。

公开(公告)号：US08406625B2

公开(公告)日：2013-03-26

申请号：US12486642

申请日：2009-06-17

Applicant: Hwan-seok Chung ,  Sun-hyok Chang ,  Sang-soo Lee ,  Kwang-joon Kim

Inventor： Hwan-seok Chung ,  Sun-hyok Chang ,  Sang-soo Lee ,  Kwang-joon Kim

IPC: H04J14/00

CPC classification number: H04Q11/0062 ,  H04J14/0204 ,  H04J14/0205 ,  H04J14/0209 ,  H04J14/0212 ,  H04J14/0217 ,  H04J14/0291 ,  H04J14/0295 ,  H04J14/0297 ,  H04Q2011/0011 ,  H04Q2011/0015 ,  H04Q2011/0081

Abstract: Provided is an optical network in which a wavelength division multiplexing-based optical transmission scheme is implemented. An apparatus for cross-connecting an optical path includes a path switch including a plurality of input terminals receiving optical signals from other nodes, and a plurality of output terminals sending the optical signals to the other nodes, the path switch switching the path of the optical signal so that the optical signal input via one of the input terminals is output to one of the output terminals; and a wavelength converter converting a wavelength of the optical signal input via the input terminal and outputting the wavelength-converted optical signal to the output terminal according to a switching result of the path switch. Thus, inefficient use of a network resource due to wavelength collision can be prevented, the path can be automatically cross-connected and thus quickly established, path switching and branch combination can be performed irrespective of wavelength, and switching can be performed irrespective of direction.

Abstract translation: 提供了实现基于波分复用的光传输方案的光网络。 用于交叉连接光路的装置包括：路径开关，其包括从其他节点接收光信号的多个输入端子，以及将光信号发送到其他节点的多个输出端子，路径开关切换光学路径 信号，使得经由一个输入端子输入的光信号被输出到输出端之一; 以及波长转换器，其经由所述输入端子转换输入的所述光信号的波长，并且根据所述路径切换的切换结果将所述波长转换的光信号输出到所述输出端子。 因此，可以防止由于波长碰撞导致的网络资源的低效使用，路径可以自动交叉连接并因此快速建立，路径切换和分支组合可以与波长无关地执行，并且可以不考虑方向进行切换。

公开(公告)号：US08399319B2

公开(公告)日：2013-03-19

申请号：US12839291

申请日：2010-07-19

Applicant: Sang Soo Lee

Inventor： Sang Soo Lee

IPC: H01L21/00

CPC classification number: H01L27/10888 ,  H01L21/84 ,  H01L27/10814 ,  H01L27/10817 ,  H01L27/1082 ,  H01L27/10852 ,  H01L27/10858 ,  H01L27/10873 ,  H01L27/1203 ,  H01L28/60

Abstract: A semiconductor device includes a substrate and a plurality of unit cells vertically arranged on the substrate.

Abstract translation: 半导体器件包括衬底和垂直地布置在衬底上的多个单元电池。

公开(公告)号：US20120306674A1

公开(公告)日：2012-12-06

申请号：US13118991

申请日：2011-05-31

Applicant: Yibing Michelle WANG ,  Jeff RYSINSKI ,  Hongyu WANG ,  Sang-Soo LEE

Inventor： Yibing Michelle WANG ,  Jeff RYSINSKI ,  Hongyu WANG ,  Sang-Soo LEE

IPC: H03M1/10

CPC classification number: H03M1/1019 ,  H03M1/123 ,  H03M1/56 ,  H04N5/365 ,  H04N5/378

Abstract: Various embodiments of the present invention include enabling, during a calibration phase, a counter to count one less than a number of clock periods associated with a determined offset. The counted number of the clock periods is stored in calibration memory. In a conversion phase, inverted outputs are loaded from the calibration memory to the counter, where the counter is enabled to count the clock periods to determine a digital equivalent value of an analog signal amplitude.

Abstract translation: 本发明的各种实施例包括在校准阶段期间使计数器能够计数一个小于与所确定的偏移相关联的数个时钟周期。 计数的时钟周期数存储在校准存储器中。 在转换阶段，反相输出从校准存储器加载到计数器，其中计数器被使能以对时钟周期进行计数以确定模拟信号幅度的数字等效值。

公开(公告)号：US08243223B2

公开(公告)日：2012-08-14

申请号：US12649892

申请日：2009-12-30

Applicant: Sang-Soo Lee

Inventor： Sang-Soo Lee

IPC: G02F1/1333

CPC classification number: G02F1/133308

Abstract: A liquid crystal display device includes a liquid crystal panel; a backlight unit disposed under the liquid crystal panel and including a light source and an optical sheet, the optical sheet including a protrusion extending from two opposite sides; and a bottom frame under the backlight unit and including a counter part, the counter part including an opening such that the protrusion is inserted into the opening.

Abstract translation: 液晶显示装置包括液晶面板; 设置在所述液晶面板的下方并包括光源和光学片的背光单元，所述光学片包括从两个相对侧延伸的突出部; 以及在所述背光单元下方的底框，并且包括对置部，所述对置部包括开口，使得所述突起插入所述开口中。

公开(公告)号：US20120163823A1

公开(公告)日：2012-06-28

申请号：US13335040

申请日：2011-12-22

Applicant: Kwang-Ok KIM ,  Han-Hyub LEE ,  Sang-Soo LEE

Inventor： Kwang-Ok KIM ,  Han-Hyub LEE ,  Sang-Soo LEE

IPC: H04J14/02 ,  H04B10/16

CPC classification number: H04J14/0227 ,  H04J14/026 ,  H04J14/0282

Abstract: A continuous-mode wavelength converting apparatus, a burst-mode wavelength converting apparatus, a remote termination apparatus and a central office termination apparatus for converting a burst-mode upstream wavelength signal into a continuous-mode upstream wavelength signal, and thereby transmitting the signal to a long distance and increasing link capacity. The continuous-mode wavelength converting apparatus may convert a received burst-mode upstream electric signal into a continuous-mode upstream electric signal by inserting a first frame at the front of the signal as an indicator of a start of the signal, inserting a second frame at the end of the burst-mode upstream electric signal as an indicator of an end of the signal, and inserting an idle signal into at least one remaining region of the burst-mode upstream electric signal.

Abstract translation: 连续模式波长转换装置，突发模式波长转换装置，远程终端装置和中心局终端装置，用于将突发模式上行波长信号转换为连续模式上行波长信号，从而将信号发送到 长距离和增加链路容量。 连续模式波长转换装置可以通过在信号的前面插入第一帧作为信号的开始的指示，将接收的突发模式上行电信号转换为连续模式上行电信号，插入第二帧 在突发模式上行电信号结束时作为信号结束的指标，并将空闲信号插入突发模式上游电信号的至少一个剩余区域。