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31. 发明申请

US20070040759A1 Stub printed dipole antenna (SPDA) having wide-band and multi-band characteristics and method of designing the same 失效
标题翻译：具有宽带和多频带特性的短截线偶极天线（SPDA）及其设计方法
公开(公告)号：US20070040759A1
公开(公告)日：2007-02-22
申请号：US11504512
申请日：2006-08-15
申请人： Sung-Jun Lee , Kwang-Chun Lee
发明人： Sung-Jun Lee , Kwang-Chun Lee
IPC分类号： H01Q9/28
CPC分类号： H01Q9/285 , H01Q1/38 , H01Q5/335
摘要： A stub printed antenna (SPDA) and a method of designing the same are provided. The SPDA include: a substrate; dipole arms disposed at both surfaces of the substrate for transmitting/receiving a signal; a parallel metal strip line disposed at both surfaces of the substrate, and each having one end connected to each of the dipole arms; a stub disposed at both surfaces of the substrate, and connected to the other end of the parallel metal strip line; a coaxial probe connected to the junction of the parallel metal strip line and the stub for feeding signals; a hole for inserting an inner conductor of the coaxial probe; and a contact for connecting to an outer conductor of the coaxial probe.
摘要翻译：提供短桩印刷天线（SPDA）及其设计方法。 SPDA包括：底物; 设置在用于发送/接收信号的基板的两个表面处的偶极臂; 设置在基板的两个表面处的平行金属带状线，并且每个具有连接到每个偶极臂的一端; 设置在基板的两个表面上并连接到平行金属带状线的另一端的短截线; 连接到并联金属带状线和短截线的接头的同轴探头用于馈送信号; 用于插入所述同轴探针的内部导体的孔; 以及用于连接到同轴探头的外导体的触点。

32. 发明申请

US20060129902A1 Receiver and signal processing method thereof 审中-公开
标题翻译：其接收机和信号处理方法
公开(公告)号：US20060129902A1
公开(公告)日：2006-06-15
申请号：US11271302
申请日：2005-11-09
申请人： Hong-Sup Lee , Jung-Pil Choi , Kwang-Chun Lee , Sang-Woo Nam
发明人： Hong-Sup Lee , Jung-Pil Choi , Kwang-Chun Lee , Sang-Woo Nam
IPC分类号： H03M13/03
CPC分类号： H04L1/005
摘要： The present invention relates to a receiver for iteratively decoding by using a logarithm likelihood ratio (LLR) approximation scheme, and relates to a signal process method thereof. According to the present invention, a new approximation method is provided in order to calculate an essential equation, which includes calculations of exponent and logarithm, to correct errors caused by defects of a channel, and so it is possible to maintain low complexity and to reduce deterioration of performance.
摘要翻译：本发明涉及一种通过使用对数似然比（LLR）近似方案进行迭代解码的接收机，涉及其信号处理方法。根据本发明，提供了一种新的近似方法，以便计算包括指数和对数的计算的基本方程，以校正由通道的缺陷引起的误差，并且因此可以保持低的复杂性并减少性能恶化。

33. 发明授权

US07612618B2 PLL apparatus for OFDM system having variable channel bands and operating method thereof 有权
标题翻译：具有可变信道频带的OFDM系统的PLL装置及其操作方法
公开(公告)号：US07612618B2
公开(公告)日：2009-11-03
申请号：US11925073
申请日：2007-10-26
申请人： Yun-Soo Ko , Seong-Min Kim , Kwang-Chun Lee
发明人： Yun-Soo Ko , Seong-Min Kim , Kwang-Chun Lee
IPC分类号： H03L7/00
CPC分类号： H03L7/107 , H03L7/18
摘要： Provided are a PLL apparatus for an OFDM system having variable channel band and an operating method thereof. The PLL apparatus includes a frequency divider for dividing an oscillating signal; a phase detector for detecting a phase difference between a reference signal and the divided oscillating signal from the frequency divider and outputting the phase difference signal; a variable loop filter for filtering a phase difference signal outputted from the phase detector; a voltage control oscillator for outputting the oscillator signal to the frequency divider according to the voltage control signal filtered from the variable loop filter; and a variable loop filter controller for varying a filtering band of the variable loop filter according to each of the channel bands.
摘要翻译：提供一种用于具有可变信道频带的OFDM系统的PLL装置及其操作方法。 PLL装置包括用于分频振荡信号的分频器; 相位检测器，用于检测来自分频器的参考信号和分频振荡信号之间的相位差，并输出相位差信号; 用于对从相位检测器输出的相位差信号进行滤波的可变环路滤波器; 电压控制振荡器，用于根据从可变环路滤波器滤波的电压控制信号将振荡器信号输出到分频器; 以及可变环路滤波器控制器，用于根据每个信道频带改变可变环路滤波器的滤波频带。

34. 发明授权

US06384837B1 Symbol color compensating method for color display system 有权
标题翻译：彩色显示系统的符号颜色补偿方法
公开(公告)号：US06384837B1
公开(公告)日：2002-05-07
申请号：US09208213
申请日：1998-12-09
申请人： Kwang-Chun Lee , Yeong-Ho Ha , Jin-Seob Kim
发明人： Kwang-Chun Lee , Yeong-Ho Ha , Jin-Seob Kim
IPC分类号： G09G502
CPC分类号： H04N9/643 , H04N9/68
摘要： A symbol color compensating method for a color display system includes the steps of detecting colors of a plurality of pixels from an image being displayed, calculating an entire frequency number of flesh tone, blue and green colors from the detected colors, selecting one color among the flesh tone, blue and green colors when the calculated frequency number thereof is more than a predetermined value, and controlling a color density and a brightness value of the displayed image in accordance with the selected color.
摘要翻译：用于彩色显示系统的符号颜色补偿方法包括以下步骤：从正在显示的图像中检测多个像素的颜色，从所检测的颜色中计算出整体的色调频率，蓝色和绿色，选择一种颜色当计算出的频率数大于预定值，并根据所选择的颜色控制显示图像的色浓度和亮度值时，可以使用肉色调，蓝色和绿色。

35. 发明授权

US06169536A Color picture quality compensation circuit and related control method thereof 失效
标题翻译：彩色图像质量补偿电路及其相关控制方法
公开(公告)号：US06169536A
公开(公告)日：2001-01-02
申请号：US08847602
申请日：1997-04-25
申请人： Kwang-Chun Lee , Yeong-Ho Ha , Kyong-Chul Hong
发明人： Kwang-Chun Lee , Yeong-Ho Ha , Kyong-Chul Hong
IPC分类号： G09G502
CPC分类号： H04N9/643
摘要： A color picture quality compensation circuit comprising a device for detecting whether a reference color signal is present in a color signal representing a color of a video image; a device for determining a respective one of a plurality of types of reference color corresponding to a detected reference color signal; a device for providing preset compensation values, each value corresponding to a respective one of said plurality of types of reference color; and a device for adjusting the picture quality of the video image in accordance with one of said compensation values corresponding to said respective type of reference color.
摘要翻译：一种彩色图像质量补偿电路，包括用于检测参考颜色信号是否存在于表示视频图像的颜色的颜色信号中的装置; 用于确定对应于检测到的参考颜色信号的多种类型的参考颜色中的相应一个的装置; 用于提供预设补偿值的装置，每个值对应于所述多种参考颜色中的相应一种; 以及用于根据对应于所述各种类型的参考颜色的所述补偿值之一调整视频图像的图像质量的装置。

36. 发明授权

US08174328B2 Dual-band wideband local oscillation signal generator 失效
标题翻译：双频宽带本地振荡信号发生器
公开(公告)号：US08174328B2
公开(公告)日：2012-05-08
申请号：US12860530
申请日：2010-08-20
申请人： Bong-Hyuk Park , Kwang-Chun Lee , Hyun-Kyu Chung
发明人： Bong-Hyuk Park , Kwang-Chun Lee , Hyun-Kyu Chung
IPC分类号： H03B21/01 , H03B21/02 , H03B21/04 , H03B27/00 , H04B1/26 , H04B1/28
CPC分类号： H03L7/099
摘要： A dual-band wideband local oscillation signal generator includes an oscillation unit, a division unit, a poly phase filter (PPF), a switch unit, and a single side band (SSB) mixer. The oscillation unit is configured to generate a positive in-phase (IP) signal, a negative in-phase (IN) signal, a negative quadrature-phase (QN) signal, and a positive quadrature-phase (QP) signal. The division unit is configured to divide frequencies of the IP signal and the IN signal and generate an RF signal. The PPF is configured to receive the IP signal and the IN signals inputted to the division unit, and generate an LO IP signal, an LO IN signal, an LO QP signal, and an LO QN signal. The switch unit is configured to receive the generated LO signals and select a high band frequency signal or a low band frequency signal.
摘要翻译：双频宽带本地振荡信号发生器包括振荡单元，分频单元，多相滤波器（PPF），开关单元和单边带（SSB）混频器。振荡单元被配置为产生正同相（IP）信号，负同相（IN）信号，负正交相位（QN）信号和正正交相位（QP）信号。分割单元被配置为分配IP信号和IN信号的频率并产生RF信号。 PPF被配置为接收输入到分割单元的IP信号和IN信号，并且生成LO IP信号，LO IN信号，LO QP信号和LO QN信号。开关单元被配置为接收所生成的LO信号并选择高频带信号或低频信号。

37. 发明授权

US08102214B2 Controlled-gain wideband feedback low noise amplifier 失效
标题翻译：控制增益宽带反馈低噪声放大器
公开(公告)号：US08102214B2
公开(公告)日：2012-01-24
申请号：US12868468
申请日：2010-08-25
申请人： Bong-Hyuk Park , Kwang-Chun Lee
发明人： Bong-Hyuk Park , Kwang-Chun Lee
IPC分类号： H03F1/34
CPC分类号： H03F1/223 , H03F1/342 , H03F3/19 , H03F3/72 , H03F2200/294 , H03F2200/36 , H03F2200/408 , H03F2203/7209
摘要： Provided is controlled-gain wideband feedback low-noise amplifier. The controlled-gain wideband feedback low-noise amplifier includes: a feedback amplifier configured to isolate an input signal and an output signal obtained by amplifying the input signal, feed back the output signal to the input signal to amplify wideband input signals, resonate a low-frequency band signal among the wideband input signals to amplify the low-frequency band signal among the wideband input signals, and be switched in accordance with a control signal to control an amplification gain of the low-frequency band signal among the wideband input signals; and a cascode amplifier configured to amplify a high-frequency band signal among the wideband signals inputted from the feedback amplifier, and be switched in accordance with a control signal to control an amplification gain of the high-frequency band signal among the wideband signals.
摘要翻译：提供控制增益宽带反馈低噪声放大器。受控增益宽带反馈低噪声放大器包括：反馈放大器，被配置为隔离输入信号和通过放大输入信号获得的输出信号，将输出信号反馈到输入信号以放大宽带输入信号，共振低宽频带输入信号中的频带信号，以放大宽带输入信号之中的低频带信号，并根据控制信号进行切换，以控制宽带输入信号中的低频带信号的放大增益; 以及级联放大器，被配置为放大从反馈放大器输入的宽带信号中的高频带信号，并且根据控制信号进行切换，以控制宽带信号中的高频带信号的放大增益。

38. 发明申请

US20110140746A1 DUAL-BAND WIDEBAND LOCAL OSCILLATION SIGNAL GENERATOR 失效
标题翻译：双频宽带局部振荡信号发生器
公开(公告)号：US20110140746A1
公开(公告)日：2011-06-16
申请号：US12860530
申请日：2010-08-20
申请人： Bong-Hyuk PARK , Kwang-Chun Lee , Hyun-Kyu Chung
发明人： Bong-Hyuk PARK , Kwang-Chun Lee , Hyun-Kyu Chung
IPC分类号： H03L7/08
CPC分类号： H03L7/099
摘要： A dual-band wideband local oscillation signal generator includes an oscillation unit, a division unit, a poly phase filter (PPF), a switch unit, and a single side band (SSB) mixer. The oscillation unit is configured to generate a positive in-phase (IP) signal, a negative in-phase (IN) signal, a negative quadrature-phase (QN) signal, and a positive quadrature-phase (QP) signal. The division unit is configured to divide frequencies of the IP signal and the IN signal and generate an RF signal. The PPF is configured to receive the IP signal and the IN signals inputted to the division unit, and generate an LO IP signal, an LO IN signal, an LO QP signal, and an LO QN signal. The switch unit is configured to receive the generated LO signals and select a high band frequency signal or a low band frequency signal.
摘要翻译：双频宽带本地振荡信号发生器包括振荡单元，分频单元，多相滤波器（PPF），开关单元和单边带（SSB）混频器。振荡单元被配置为产生正同相（IP）信号，负同相（IN）信号，负正交相位（QN）信号和正正交相位（QP）信号。分割单元被配置为分配IP信号和IN信号的频率并产生RF信号。 PPF被配置为接收输入到分割单元的IP信号和IN信号，并且生成LO IP信号，LO IN信号，LO QP信号和LO QN信号。开关单元被配置为接收所生成的LO信号并选择高频带信号或低频信号。

39. 发明申请

US20080298228A1 Transmitting/Receiving Apparatus of Wideband Wireless Channel Apparatus Using Multiple Carriers 失效
标题翻译：使用多载波的宽带无线信道装置的发射/接收装置
公开(公告)号：US20080298228A1
公开(公告)日：2008-12-04
申请号：US12096450
申请日：2006-12-05
申请人： Hyun-Kyu Chung , Kwang-Chun Lee
发明人： Hyun-Kyu Chung , Kwang-Chun Lee
IPC分类号： H04J11/00
CPC分类号： H04L25/022 , H04L25/025
摘要： The present invention relates to transmitting/receiving apparatuses of a wideband radio channel measuring device using a multi-carrier. The wideband radio channel measuring device using the multi-carrier may measure radio channel characteristics at a frequency domain. Since the radio channel is measured at the frequency domain by the wideband radio channel measuring device using the multi-carrier, the channel characteristics may be simultaneously measured while maintaining a maximum Doppler measurement frequency at a predetermined level regardless of increase of the number of transmitting and receiving antennas, in an MIMO configuration.
摘要翻译：本发明涉及使用多载波的宽带无线电信道测量装置的发射/接收装置。使用多载波的宽带无线电信道测量装置可以测量频域的无线电信道特性。由于通过使用多载波的宽带无线电信道测量装置在频域处测量无线电信道，所以可以同时测量信道特性，同时将最大多普勒测量频率保持在预定电平，而不管发射和发射次数的增加，接收天线。

40. 发明授权

US07460833B2 Transmitting apparatus of communication system 失效
标题翻译：通讯系统传输装置
公开(公告)号：US07460833B2
公开(公告)日：2008-12-02
申请号：US11255700
申请日：2005-10-21
申请人： Hong-Sup Lee , Hyun-Kyu Chung , Kwang-Chun Lee
发明人： Hong-Sup Lee , Hyun-Kyu Chung , Kwang-Chun Lee
IPC分类号： H04Q7/00
CPC分类号： H04L25/0288 , H04B17/21
摘要： A transmitting apparatus according to the present invention includes a prefilter for compensating a previously measured estimated impulse response of a communication system by assuming a communication system in which the transmitting apparatus and the receiving apparatus are directly connected. The prefilter included in the transmitting apparatus compensates an original characteristic of a communication system. Accordingly, the prefilter enables an accurate channel measurement of a receiving apparatus without any increase of calculation.
摘要翻译：根据本发明的发送装置包括：预滤波器，用于通过假定发送装置和接收装置直接连接的通信系统来补偿通信系统的先前测量的估计的脉冲响应。包含在发送装置中的预滤波器补偿通信系统的原始特性。因此，预滤器能够在不增加计算的情况下实现接收装置的精确的信道测量。

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