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11. 发明授权

US07801005B2 Apparatus and method for measuring signal quality 有权
标题翻译：用于测量信号质量的装置和方法
公开(公告)号：US07801005B2
公开(公告)日：2010-09-21
申请号：US10931254
申请日：2004-09-01
申请人： Hyun-soo Park , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
发明人： Hyun-soo Park , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
IPC分类号： G11B7/00
CPC分类号： G11B20/10009 , G11B20/10203 , G11B20/10296 , G11B20/10333
摘要： An apparatus and method for measuring the quality of a signal on an optical disc based on level information of a viterbi decoder are provided. The signal quality measuring apparatus includes: a binary unit that generates binary signals from input RF signals; a channel identifier that receives the input RF signals and the binary signals output from the binary unit and outputs reference level values corresponding to the binary signals; and an information calculator that receives the reference level values and detects a signal quality value.
摘要翻译：提供了一种基于维特比解码器的电平信息来测量光盘上的信号质量的装置和方法。信号质量测量装置包括：二进制单元，其从输入的RF信号产生二进制信号; 接收从二进制单元输出的输入RF信号和二进制信号并输出对应于二进制信号的参考电平值的信道标识符; 以及信息计算器，其接收参考电平值并检测信号质量值。

12. 发明申请

US20050128916A1 Recording and/or reproducing apparatus and method with asignal quality determining device and method 有权
标题翻译：具有信号质量确定装置和方法的记录和/或再现装置和方法
公开(公告)号：US20050128916A1
公开(公告)日：2005-06-16
申请号：US10985014
申请日：2004-11-10
申请人： Hyun-soo Park , Jae-wook Lee , Jae-seong Shim , Jung-hyun Lee , Eing-seob Cho , Eun-jin Ryu
发明人： Hyun-soo Park , Jae-wook Lee , Jae-seong Shim , Jung-hyun Lee , Eing-seob Cho , Eun-jin Ryu
IPC分类号： G11B5/09 , G11B7/09 , G11B7/095 , G11B19/04 , G11B20/10 , H04B17/00
CPC分类号： G11B19/04 , G11B7/0901 , G11B7/0908 , G11B7/0941 , G11B7/0945 , G11B7/0956 , G11B20/10009 , G11B20/10046 , G11B20/10296
摘要： A recording and/or reproducing apparatus and method with signal quality determining device and a method thereof, with the signal quality determining device including a signal estimator determining a level corresponding to a sample value of the RF signal using binary data obtained from the RF signal and generating a selection signal corresponding to the determined level, a channel identifier classifying the sample value into a plurality of levels according to the selection signal and obtaining an average value of the sample values classified into each level, and a quality calculator outputting a signal quality value representing quality of the RF signal using each sample value output from the channel identifier and the average value of the sample values classified into each level. Accordingly, quality of an RF signal can be determined more exactly, and focus compensation, tilt compensation, detrack compensation, and recording signal optimization can be performed using the determined signal quality.
摘要翻译：一种具有信号质量确定装置的记录和/或再现装置和方法及其方法，其中信号质量确定装置包括使用从RF信号获得的二进制数据确定与RF信号的样本值相对应的电平的信号估计器，以及产生与所确定的电平相对应的选择信号，根据选择信号将采样值分类为多个电平的信道标识符，并获得分类为每个电平的采样值的平均值;以及质量计算器，输出信号质量值使用从信道标识符输出的每个样本值和分类到每个级别的样本值的平均值来表示RF信号的质量。因此，可以更准确地确定RF信号的质量，并且可以使用确定的信号质量来执行聚焦补偿，倾斜补偿，去差补偿和记录信号优化。

13. 发明授权

US08385173B2 Method for determining characteristics of signal and apparatus using the same 有权
标题翻译：用于确定信号和使用其的装置的特性的方法
公开(公告)号：US08385173B2
公开(公告)日：2013-02-26
申请号：US12823943
申请日：2010-06-25
申请人： Hyun-soo Park , Jae-wook Lee , Jae-seong Shim , Jung-hyun Lee , Eing-seob Cho , Eun-jin Ryu
发明人： Hyun-soo Park , Jae-wook Lee , Jae-seong Shim , Jung-hyun Lee , Eing-seob Cho , Eun-jin Ryu
IPC分类号： G11B7/00
CPC分类号： G11B20/10009 , G11B2020/10555
摘要： A method of determining characteristics of a signal and an apparatus using the method. The apparatus for determining characteristics of a signal includes: a level detector receiving sample values of a radio frequency (RF) signal and binary data obtained by binarizing the RF signal, generating selection signals based on the binary data, classifying each of the sample values of the RF signal into one of a plurality of levels using the selection signals, and outputting average values of sample values of each level; and a signal characteristics determiner determining a characteristics value that indicates the characteristics of the RF signal using the average values of the sample values belonging to each level.
摘要翻译：一种确定信号特性的方法和使用该方法的装置。用于确定信号特性的装置包括：电平检测器，其接收射频（RF）信号的采样值和通过二值化RF信号获得的二进制数据，基于二进制数据产生选择信号，将每个样本值使用所述选择信号将所述RF信号变换成多个电平之一，并输出各电平的采样值的平均值; 以及信号特性确定器，其使用属于每个级别的样本值的平均值来确定指示RF信号的特性的特性值。

14. 发明授权

US07969218B2 Receiver for reducing intersymbol interference of a channel and compensating for signal gain loss, and method thereof 失效
标题翻译：用于减少信道的符号间干扰并补偿信号增益损耗的接收机及其方法
公开(公告)号：US07969218B2
公开(公告)日：2011-06-28
申请号：US11812928
申请日：2007-06-22
申请人： Jae-wook Lee
发明人： Jae-wook Lee
IPC分类号： H03K3/00
CPC分类号： H04L25/03878 , H03K3/3565
摘要： Example embodiments are directed to a receiver for reducing ISI of at least one data transmission channel and compensating for signal gain loss, and method thereof. A receiver may include a high pass filter and a Schmitt trigger controlled by a plurality of first control signals and a plurality of second control signals. The plurality of first control signals and the plurality of second control signals may be used to shift a first trigger voltage and a second trigger voltage of the Schmitt trigger. A method of reducing intersymbol interference and compensating for signal gain loss of a receiver connected to at least one data transmission channel is also provided.
摘要翻译：示例性实施例涉及用于减少至少一个数据传输信道的ISI并补偿信号增益损失的接收机及其方法。接收机可以包括高通滤波器和由多个第一控制信号和多个第二控制信号控制的施密特触发器。多个第一控制信号和多个第二控制信号可用于移位施密特触发器的第一触发电压和第二触发电压。还提供了一种减少符号间干扰并补偿连接到至少一个数据传输信道的接收机的信号增益损失的方法。

15. 发明申请

US20080318114A1 SEPARATOR FOR FUEL CELL AND ITS MANUFACTURING METHOD AND FUEL CELL STACK USING THE SEPARATOR 审中-公开
标题翻译：燃料电池分离器及其制造方法和使用分离器的燃料电池堆
公开(公告)号：US20080318114A1
公开(公告)日：2008-12-25
申请号：US12103819
申请日：2008-04-16
申请人： Jae-wook Lee , Keun-yong Lee , Chan-hee Park
发明人： Jae-wook Lee , Keun-yong Lee , Chan-hee Park
IPC分类号： H01M2/14 , H01M2/00 , H01M8/10
CPC分类号： H01M8/0206 , H01M8/0228 , H01M8/0254 , H01M8/026 , H01M8/0263 , H01M8/0265 , H01M2008/1095 , Y02P70/56 , Y10T29/49108
摘要： A separator for a fuel cell, including: a plate; a first flow channel having a first depth on a first side of the plate; a first inlet hole coupled to the first flow channel; a first outlet hole coupled to the first flow channel; a second flow channel on a second side of the plate; a second inlet hole coupled to the second flow channel; a second outlet hole coupled to the second flow channel; and a bridge unit having a second depth less than the first depth at a region where a direction of flow of at least one of the first inlet hole or the first outlet hole and a direction of flow of the second flow channel cross.
摘要翻译：一种用于燃料电池的隔板，包括：板; 第一流动通道，其具有在所述板的第一侧上的第一深度; 耦合到第一流动通道的第一入口孔; 耦合到第一流动通道的第一出口孔; 在所述板的第二侧上的第二流动通道; 耦合到第二流动通道的第二入口孔; 耦合到第二流动通道的第二出口孔; 以及桥单元，其在第一入口孔或第一出口孔中的至少一个流动方向与第二流动通道的流动方向交叉的区域处具有小于第一深度的第二深度。

16. 发明授权

US07394735B2 Apparatus and method of updating filter tap coefficients of an equalizer 失效
标题翻译：更新均衡器滤波器抽头系数的装置和方法
公开(公告)号：US07394735B2
公开(公告)日：2008-07-01
申请号：US10429954
申请日：2003-05-06
申请人： Jae-seong Shim , Hyun-soo Park , Jae-wook Lee , Jung-hyun Lee
发明人： Jae-seong Shim , Hyun-soo Park , Jae-wook Lee , Jung-hyun Lee
IPC分类号： G11B7/004
CPC分类号： G11B20/10009 , G11B20/18
摘要： An apparatus, a method, and a computer readable recording medium thereof to update filter tap coefficients of an equalizer include a defect signal detection unit and a coefficient updating unit. The defect signal detection unit receives a sampled input signal reflected from an optical disc and/or a track jump signal, detects whether the input signal and/or the track jump signal are defective, and outputs an update stop signal indicative thereof. The coefficient updating unit stops the updating of the filter tap coefficients in response to the update stop signal and outputs current filter tap coefficients.
摘要翻译：用于更新均衡器的滤波器抽头系数的装置，方法和计算机可读记录介质包括缺陷信号检测单元和系数更新单元。缺陷信号检测单元接收从光盘反射的采样输入信号和/或轨道跳转信号，检测输入信号和/或轨道跳转信号是否有缺陷，并输出指示其的更新停止信号。系数更新单元响应于更新停止信号停止更新滤波器抽头系数，并输出当前滤波器抽头系数。

17. 发明授权

US06965659B2 Device and method for detecting a period of an input signal 失效
标题翻译：用于检测输入信号的周期的装置和方法
公开(公告)号：US06965659B2
公开(公告)日：2005-11-15
申请号：US09917234
申请日：2001-07-30
申请人： Jae-wook Lee , Dae-yun Shim
发明人： Jae-wook Lee , Dae-yun Shim
IPC分类号： G11B20/16 , G11B20/10 , G11B20/14 , H04L7/033 , H04L7/00
CPC分类号： G11B20/10037 , G11B20/10527 , G11B20/1403 , H04L7/0334
摘要： A device and method for detecting a period of an input signal including a count value setting portion; an A/D converter; a zero cross point detecting portion to detect a symbol change of digital values received from the A/D converter; a arithmetic processing unit; a counter; and a period value calculating portion. The arithmetic processing unit divides two sampling sectors, having a zero cross point in their center, by a preset value which is set in the count value setting portion, predicts a zero cross point sector based on the digital values of two sampling points, and calculates a count value of the reference clock in accordance with the predicted zero cross point sector and the preset value which is set in the count value setting portion.
摘要翻译：一种用于检测包括计数值设置部分的输入信号的周期的装置和方法; A / D转换器; 零交叉点检测部分，用于检测从A / D转换器接收的数字值的符号变化; 算术处理单元; 柜台以及周期值计算部。算术处理单元将在其中心具有零交叉点的两个采样扇区除以设定在计数值设定部分中的预设值，基于两个采样点的数字值预测零交叉点扇区，并计算根据预测的零交叉点扇区的参考时钟的计数值和在计数值设定部分中设定的预设值。

18. 发明申请

US20100278027A1 APPARATUS AND METHOD FOR MEASURING SIGNAL QUALITY 有权
标题翻译：用于测量信号质量的装置和方法
公开(公告)号：US20100278027A1
公开(公告)日：2010-11-04
申请号：US12833793
申请日：2010-07-09
申请人： Hyun-soo PARK , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
发明人： Hyun-soo PARK , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
IPC分类号： H04B17/00 , G11B7/00 , G11B27/36
CPC分类号： G11B20/10009 , G11B20/10203 , G11B20/10296 , G11B20/10333
摘要： An apparatus and method for measuring the quality of a signal on an optical disc based on level information of a viterbi decoder are provided. The signal quality measuring apparatus includes: a binary unit that generates binary signals from input RF signals; a channel identifier that receives the input RF signals and the binary signals output from the binary unit and outputs reference level values corresponding to the binary signals; and an information calculator that receives the reference level values and detects a signal quality value.
摘要翻译：提供了一种基于维特比解码器的电平信息来测量光盘上的信号质量的装置和方法。信号质量测量装置包括：二进制单元，其从输入的RF信号产生二进制信号; 接收从二进制单元输出的输入RF信号和二进制信号并输出对应于二进制信号的参考电平值的信道标识符; 以及信息计算器，其接收参考电平值并检测信号质量值。

19. 发明授权

US07616547B2 High-speed mixed analog/digital PRML data detection and clock recovery apparatus and method for data storage 有权
标题翻译：高速混合模拟/数字PRML数据检测和时钟恢复装置和数据存储方法
公开(公告)号：US07616547B2
公开(公告)日：2009-11-10
申请号：US11059458
申请日：2005-02-16
申请人： Jeong-won Lee , Jung-hyun Lee , Jae-wook Lee , Jung-eun Lee , Konakov Maxim
发明人： Jeong-won Lee , Jung-hyun Lee , Jae-wook Lee , Jung-eun Lee , Konakov Maxim
IPC分类号： H04B3/06 , G11B20/10 , G11B20/14 , G11B20/18 , G11B5/09
CPC分类号： G11B20/10055 , G11B20/10009 , G11B20/10111 , G11B20/10296 , G11B20/1426
摘要： A high-speed mixed analog/digital PRML data detection and clock recovery apparatus and method. The high-speed mixed analog/digital PRML data detection and clock recovery apparatus includes a variable gain amplifier, an analog equalizer, an analog-to-digital (A/D) converter, a DC offset remover, a level error detector, a Viterbi decoder, and an adaptive digital controller. The adaptive digital controller separately stores the level error values by predetermined frequencies, calculates predetermined coefficient values by each frequency component based on the level error values, and D/A-converts and applies the calculated predetermined coefficient values to the variable gain amplifier and the analog equalizer.
摘要翻译：高速混合模/数字PRML数据检测和时钟恢复装置及方法。高速混合模拟/数字PRML数据检测和时钟恢复装置包括可变增益放大器，模拟均衡器，模数（A / D）转换器，DC偏移去除器，电平误差检测器，Viterbi 解码器和自适应数字控制器。自适应数字控制器分别按预定频率存储电平误差值，并根据电平误差值计算每个频率分量的预定系数值，并对所计算出的预定系数值进行D / A转换并将其计算给可变增益放大器和模拟均衡器

20. 发明授权

US07477709B2 Device and method for data reproduction 失效
标题翻译：用于数据再现的装置和方法
公开(公告)号：US07477709B2
公开(公告)日：2009-01-13
申请号：US10910422
申请日：2004-08-04
申请人： Hyun-soo Park , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
发明人： Hyun-soo Park , Jae-seong Shim , Jae-wook Lee , Jung-hyun Lee , Eun-jin Ryu , Eing-seob Cho
IPC分类号： H03D1/00
CPC分类号： G11B20/10101 , G11B20/10009 , G11B20/10296 , G11B20/10481
摘要： A device and method of data reproduction that can achieve a reference level optimizing the characteristic of a channel and can be applied to the reproduction of data on an optical disk are provided. According to the device and method, even when an input signal is in an abnormal state, an input level value can be initialized so that a Viterbi decoder can normally operate.
摘要翻译：提供了一种数据再现的装置和方法，其可以实现优化信道特性的参考电平并且可以应用于光盘上的数据的再现。根据该装置和方法，即使当输入信号处于异常状态时，也可以初始化输入电平值，使维特比解码器正常工作。

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