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    • 123. 发明申请
    • ROF link apparatus for selecting IF band to process service signals through MMF and method for selecting IF band
    • 用于通过MMF选择IF频带以处理服务信号的ROF链路装置和用于选择IF频带的方法
    • US20070046836A1
    • 2007-03-01
    • US11504858
    • 2006-08-16
    • Sung-Kee KimSeong-Taek HwangByung-Jik KimSang-Ho KimGyu-Woong LeeJae-Hoon LeeYong-Gyoo KimHan-Lim LeeHoon Kim
    • Sung-Kee KimSeong-Taek HwangByung-Jik KimSang-Ho KimGyu-Woong LeeJae-Hoon LeeYong-Gyoo KimHan-Lim LeeHoon Kim
    • H04N5/50
    • H04B10/2575
    • Disclosed is an ROF link apparatus for selecting an IF band in order to process various service signals through an MMF, which including transmitters for receiving the service signals, performing IF modulation for the service signals, and transferring the modulated IF signals, a first controller for scanning frequency characteristics of the MMF, searching for flat frequency bands, and transferring information regarding the flat frequency band, thereby controlling IF modulation to be performed, a link unit for combining the IF signals with output signals of the first controller, converting the combined signals into optical signals, transmitting the optical signals, converting the optical signals into electrical signals, and splitting the electrical signals, a second controller for receiving the output signals of the first controller, detecting information regarding the flat frequency band, and transferring the information to receivers, thereby controlling modulation to be performed, and the receivers for receiving the IF modulated signals, receiving the information from the second controller, and performing RF modulation.
    • 公开了一种用于选择IF频带以便通过MMF处理各种服务信号的ROF链路装置,该MMF包括用于接收服务信号的发射机,对服务信号执行IF调制,以及传送调制的IF信号,第一控制器 MMF的扫描频率特性,搜索平坦频带,以及传送关于平坦频带的信息,由此控制要执行的IF调制;用于将IF信号与第一控制器的输出信号组合的链路单元,转换组合信号 传输光信号,将光信号转换为电信号,分割电信号;第二控制器,用于接收第一控制器的输出信号,检测关于平坦频带的信息,以及将信息传送到接收机 ,从而控制要进行的调制 用于接收IF调制信号的接收机,从第二控制器接收信息,并执行RF调制。
    • 124. 发明申请
    • Off-axis projection optical system and extreme ultraviolet lithography apparatus using the same
    • 离轴投影光学系统和使用其的极紫外光刻设备
    • US20060284113A1
    • 2006-12-21
    • US11453775
    • 2006-06-16
    • Seung-Hyuk ChangI-Hun SongYoung-Soo ParkSuk-Pil KimHoon Kim
    • Seung-Hyuk ChangI-Hun SongYoung-Soo ParkSuk-Pil KimHoon Kim
    • G21G5/00A61N5/00
    • G03F7/70241G03F7/70941
    • An off-axis projection optical system including first and second mirrors that are off-axially arranged is provided. The tangential and sagittal radii of curvature of the first mirror may be R1t and R1s, respectively. The tangential and sagittal radii of curvature of the second mirror may be R2t and R2s, respectively. The incident angle of the beam from an object point to the first mirror 10 may be i1, and an incident angle of the beam reflected from the first mirror 10 to the second mirror 30 is i2. The values of R1t, R1s, R2t, R2s, i1 and i2 may satisfy the following Equation. R1t cos i1=R2t cos i2 R1s=R1t cos2i1 R2s=R2t cos2i2
    • 提供了一种离轴投影光学系统,其包括非轴向布置的第一和第二反射镜。 第一反射镜的切向和矢状曲率半径可以分别为R 1t 1和R 1s 1。 第二反射镜的切向和矢状曲率半径可以分别为R 2t 2和R 2s 3。 从物点到第一反射镜10的光束的入射角度可以为1&lt; 1&gt;,从第一反射镜10反射到第二反射镜30的光束的入射角为 2 。 R 1,R 1,R 2,R 2,R 2,R 1,R 2, SUB&gt;和i&lt; 2&gt;可以满足以下等式。 <?in-line-formula description =“In-line Formulas”end =“lead”?> R&lt; 1t&gt; cos&lt; 1&lt; 1&lt; 2&lt; > cos i <2> <?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end = “引线”→R 1> = R 1t&lt; 2&gt;&lt; 2&lt;&lt; =“在线公式”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> R <2> 2t 2 “in-line-formula description =”In-line Formulas“end =”tail“?>
    • 125. 发明申请
    • Scheduling method and system using relay station in radio communication system
    • 无线电通信系统中使用中继站的调度方法和系统
    • US20060270341A1
    • 2006-11-30
    • US11437156
    • 2006-05-19
    • Hoon KimYeon-Woo LeeSang-Boh Yun
    • Hoon KimYeon-Woo LeeSang-Boh Yun
    • H04B7/14
    • H04W72/1284H04B7/0673H04B7/2606H04W16/24H04W16/26H04W72/1231H04W84/047H04W88/04H04W88/085
    • A scheduling method and system is disclosed that divides scheduling between a base station and a mobile station into scheduling between the base station and a relay station and scheduling between the relay station and the mobile station, and performs the divided schedulings. In a radio communication system that transmits a signal of a base station to mobile stations located on a border of a cell by using a relay station, the base station having multiple antennas receives phase information of the respective antennas from the relay station having multiple antennas, compensates for phases of the respective antennas, and transmits data through the phase-compensated antennas. The relay station transmits only channel quality information of the mobile station, which has a high possibility of being selected by the base station among channel quality information of the mobile stations that belong to the relay station, to the base station.
    • 公开了将基站与移动台之间的调度划分为基站与中继站之间的调度以及中继站与移动站之间的调度的调度方法和系统,并进行分割的调度。 在通过使用中继站向基站边界的移动台发送基站的信号的无线通信系统中,具有多个天线的基站从具有多个天线的中继站接收各天线的相位信息, 补偿各天线的相位,并通过相位补偿天线发送数据。 中继站仅向基站发送移动站的信道质量信息,该信道质量信息具有由基站选择的高可能性的信道质量信息到属于该中继站的移动站的信道质量信息中。
    • 126. 发明申请
    • Label remover and label swapper using the same
    • 标签去除器和使用相同的标签交换器
    • US20060171721A1
    • 2006-08-03
    • US11185108
    • 2005-07-20
    • Sung-Kee KimHoon KimYun-Je OhSeong-Taek Hwang
    • Sung-Kee KimHoon KimYun-Je OhSeong-Taek Hwang
    • H04B10/04
    • H04L45/00H04B10/2937
    • A label remover, and the method using the same, renders photoelectric conversion becomes unnecessary and improves using conditions and transmission quality. The label remover includes: (a) an oscillator for outputting a driving signal having a third frequency f3; (b) a double-sided band converter for (i) receiving an optical signal modulated based on a data signal of an intermediate frequency fm and frequency-modulated based on a label signal so as to indicate a first frequency f1 and a second frequency f2; and (ii) frequency-transiting the received optical signal so that each of the first and second frequencies is transited to at least two frequencies including the intermediate frequency fm; and (c) a band passer filter for filtering the frequency-transited optical signal to remove frequencies except the intermediate frequency fm.
    • 标签去除器及其使用方法使光电转换变得不必要,并且改善了使用条件和传输质量。 标签去除器包括:(a)用于输出具有第三频率f 3的驱动信号的振荡器; (b)双面频带转换器,用于(i)接收基于中频fm的数据信号调制并基于标号信号进行频率调制的光信号,以指示第一频率f 1和第二频率 f 2; 和(ii)对所接收的光信号进行频率转换,使得第一和第二频率中的每一个被转换到包括中频fm的至少两个频率; 和(c)带通滤波器,用于对频率转换的光信号进行滤波以除去中间频率fm以外的频率。
    • 129. 发明申请
    • Optical receiver for receiving differential phase and frequency shift-keyed optical signals
    • 用于接收差分相位和频移键控光信号的光接收机
    • US20060072927A1
    • 2006-04-06
    • US11234962
    • 2005-09-26
    • Hoon KimSeong-Taek Hwang
    • Hoon KimSeong-Taek Hwang
    • H04B10/06
    • H04B10/69H04B10/67H04B10/677
    • An optical signal receiver for receiving a differential modulated optical signal is disclosed. The optical signal receiver includes a delay interferometer for intensity-dividing the optical signal into a first and a second divided optical signal, generating a delayed optical signal by phase-delaying the second divided optical signal by one bit for the first divided optical signal, and generating interfered optical signals from the delayed optical signal and the first divided optical signal; a balanced receiver for detecting a differential electrical signal from the interfered optical signals; a power detector for detecting alternating current power of the differential electrical signal; and a phase controller for calculating a phase delay difference between the delayed optical signal and the first divided optical signal from the alternating current power detected by the power detector, and controlling the phase delay difference between the first divided optical signal and the delayed optical signal to be constantly maintained.
    • 公开了一种用于接收差分调制光信号的光信号接收机。 光信号接收机包括延迟干涉仪,用于将光信号强度分割为第一和第二划分的光信号,通过将第二划分的光信号相位延迟第一分割光信号的一比特来产生延迟的光信号,以及 从延迟的光信号和第一划分的光信号产生干扰的光信号; 用于从受干涉的光信号中检测差分电信号的平衡接收器; 功率检测器,用于检测差分电信号的交流电力; 以及相位控制器,用于根据由功率检测器检测的交流功率计算延迟光信号和第一分频光信号之间的相位延迟差,并且控制第一分割光信号和延迟光信号之间的相位延迟差到 不断保持。