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11. 发明申请

US20070014384A1 MULTIPLE DIFFERENTIAL DEMODULATOR USING WEIGHTING VALUE 失效
标题翻译：多重差分解调器使用称重值
公开(公告)号：US20070014384A1
公开(公告)日：2007-01-18
申请号：US11457116
申请日：2006-07-12
申请人： SANG MIN , TAH PARK , U LEE , KOON CHO , KWANG MOOK LEE
发明人： SANG MIN , TAH PARK , U LEE , KOON CHO , KWANG MOOK LEE
IPC分类号： H04L27/00
CPC分类号： H04B14/06 , H04W84/10
摘要： The present invention relates to a multiple differential demodulator using a weighting value. The multiple differential demodulator according to the present invention includes a weighting value generator for integrating a real part and an imaginary part of a value acquired by multiplying one of a plurality of differentiated reception signals by a conjugated value of a differentiated PN code signal corresponding to a preset symbol, and determining the greater of the integrated real and integrated imaginary parts to apply a predetermined weighting value to the greater value, where the PN code signal is differentiated in the same fashion as the differentiated reception signals.
摘要翻译：本发明涉及使用加权值的多重差分解调器。根据本发明的多重差分解调器包括一个加权值产生器，用于将通过将多个差分接收信号中的一个相乘而得到的值的实部和虚部进行积分，该复数值与对应于并且确定积分的实数和积分虚部中的较大者，以将预定加权值应用于较大值，其中PN码信号以与差分接收信号相同的方式进行微分。

12. 发明申请

US20070002937A1 SYMBOL DETECTOR BASED ON FREQUENCY OFFSET COMPENSATION IN ZIGBEE SYSTEM AND SYMBOL DETECTING METHOD THEREOF 有权
标题翻译：基于ZIGBEE系统中频率偏移补偿的符号检测器及其符号检测方法
公开(公告)号：US20070002937A1
公开(公告)日：2007-01-04
申请号：US11427771
申请日：2006-06-29
申请人： SANG HYUN MIN , HYUNG JIN CHOI , JUNG SU HAN , JOO HYUN DO , TAH JOON PARK , KWANG MOOK LEE , KOON SHIK CHO , U SANG LEE
发明人： SANG HYUN MIN , HYUNG JIN CHOI , JUNG SU HAN , JOO HYUN DO , TAH JOON PARK , KWANG MOOK LEE , KOON SHIK CHO , U SANG LEE
IPC分类号： H04B1/707
CPC分类号： H04L27/2657 , H04B1/708 , H04B1/709 , H04L27/261 , H04L27/2675
摘要： The invention relates to a symbol detector for detecting symbols received in a receive modem of short-range wireless personal area network of a ZigBee system (IEEE 802.15.4). An OQPSK short-range wireless communication system according to the invention acquires frequency offset in a received signal using a symbol contained in a preamble of a packet of the signal, multi-delay-differentiates the signal by a plurality of predetermined delay times, and complex-conjugates the acquired frequency offset to eliminate the frequency offset. Then, the OQPSK short-range wireless communication system according to the invention correlates the received signal with a PN sequence delay-differentiated through the same process to detect the symbols corresponding to the received signal.
摘要翻译：本发明涉及一种用于检测在ZigBee系统（IEEE 802.15.4）的短距离无线个域网的接收调制解调器中接收的符号的符号检测器。根据本发明的OQPSK短距离无线通信系统使用包含在信号分组的前导码中的符号来获取接收信号中的频率偏移，将信号多延迟多个预定延迟时间，并且复数收集频率偏移以消除频率偏移。然后，根据本发明的OQPSK短距离无线通信系统将接收到的信号与通过相同处理延迟差分的PN序列相关，以检测对应于接收信号的符号。

13. 发明申请

US20130163289A1 POWER SWITCHING DRIVING APPARATUS, AND POWER FACTOR CORRECTION DEVICE AND POWER SUPPLY DEVICE HAVING THE SAME 审中-公开
标题翻译：电源切换驱动装置和功率因数校正装置及具有该功能的电源装置
公开(公告)号：US20130163289A1
公开(公告)日：2013-06-27
申请号：US13405791
申请日：2012-02-27
申请人： Myeung Su KIM , Koon Shik CHO , Jae Hyung LEE , Kwang Mook LEE
发明人： Myeung Su KIM , Koon Shik CHO , Jae Hyung LEE , Kwang Mook LEE
IPC分类号： H03K3/36 , G05F1/46 , H02M3/335
CPC分类号： H02M1/4225 , H02M3/335 , H03K17/0412 , Y02B70/126 , Y02P80/112
摘要： There are provided a power switching driving apparatus able to reduce a circuit area and increase a driving speed, and a power factor correction device and a power supply device having the same. The power switching driving apparatus includes: a first driving unit providing a switching signal in response to a control signal from the outside; a second driving unit including first and second NMOS FETs cascode-connected between an operational power source terminal supplying pre-set operation power and a ground, and performing switching complimentarily in response to the switching signal to provide a switching control signal controlling power switching; a current supply unit supplying a current for driving the second driving unit; and a voltage maintaining unit maintaining a voltage for driving the second driving unit.
摘要翻译：提供了能够减小电路面积并提高驱动速度的电力开关驱动装置，以及功率因数校正装置和具有该功率因数校正装置的电源装置。电源开关驱动装置包括：第一驱动单元，响应于来自外部的控制信号而提供开关信号; 第二驱动单元，包括在提供预置操作功率和地之间的操作电源端子之间并联连接的第一和第二NMOS FET，以及响应于所述切换信号而补充地进行切换以提供控制功率切换的开关控制信号; 提供用于驱动第二驱动单元的电流的电流供应单元; 以及保持用于驱动第二驱动单元的电压的电压保持单元。

14. 发明授权

US07957452B2 Direct sequence spread spectrum transceiver 有权
标题翻译：直接序列扩频收发器
公开(公告)号：US07957452B2
公开(公告)日：2011-06-07
申请号：US12098396
申请日：2008-04-04
申请人： Sang Hyun Min , Koon Shik Cho , Jae Hyung Lee , Kwang Mook Lee
发明人： Sang Hyun Min , Koon Shik Cho , Jae Hyung Lee , Kwang Mook Lee
IPC分类号： H04B1/707
CPC分类号： H04B1/707 , H04J13/004
摘要： A direct sequence spread spectrum (DSSS) transceiver including a DSSS transmitter and a DSSS receiver, wherein the DSSS transmitter includes: an integral code mapping unit mapping source bit data in one of 2N (N is a natural number) of predetermined symbols by N bits and mapping the symbol in one of integral code words that are obtained by previously integrating each of 2N of bi-orthogonal code words; and a radio frequency (RF) transmitting unit transmitting the integral code words mapped by the integral code mapping unit over an RF carrier wave, and the DSSS receiver includes: an RF receiving unit removing an RF carrier wave from an RF signal from the RF transmitting unit and converting an analog signal obtained by removing the RF carrier wave from the RF signal into a digital signal; a differential circuit unit differentiating and converting the digital signal from the RF receiving unit into bi-orthogonal code words; and a symbol detection unit detecting a symbol corresponding to a maximum value of correlation values between bi-orthogonal code word from the differential circuit unit and a plurality of predetermined reference code words.
摘要翻译：包括DSSS发射机和DSSS接收机的直接序列扩频（DSSS）收发机，其中DSSS发射机包括：一个整数码映射单元，用于将预定符号的2N（N是自然数）之一的N比特的源比特数据映射到N比特以及将符号映射到通过预先积分2N个双正交码字中的每一个而获得的积分码字之一中的符号; 以及射频（RF）发送单元，其通过RF载波发送由积分码映射单元映射的积分码字，并且所述DSSS接收机包括：RF接收单元，从RF发射的RF信号中去除RF载波; 将通过从RF信号中去除RF载波而获得的模拟信号转换为数字信号; 差分电路单元，将来自RF接收单元的数字信号分解并转换成双正交码字; 以及符号检测单元，检测与来自差分电路单元的双正交码字和多个预定参考码字之间的相关值的最大值相对应的符号。

15. 发明授权

US07919932B2 Apparatus and method for controlling lighting brightness through digital conversion 有权
标题翻译：通过数字转换控制照明亮度的装置和方法
公开(公告)号：US07919932B2
公开(公告)日：2011-04-05
申请号：US12108778
申请日：2008-04-24
申请人： Joon Hyung Lim , Tah Joon Park , Koon Shik Cho , Kwang Mook Lee , Bo Il Seo
发明人： Joon Hyung Lim , Tah Joon Park , Koon Shik Cho , Kwang Mook Lee , Bo Il Seo
IPC分类号： H05B37/02
CPC分类号： H05B33/086
摘要： Provided is an apparatus for controlling lighting brightness including a light control unit that generates a control signal for controlling the brightness of a plurality of lightings; a digital signal generating unit that converts a signal corresponding to the control signal at each period so as to generate non-periodic digital signals; and a driving voltage generating unit that generate driving voltages by converting the digital signals into analog signals.
摘要翻译：提供一种用于控制照明亮度的装置，包括产生用于控制多个照明亮度的控制信号的光控制单元; 数字信号发生单元，其在每个周期转换对应于控制信号的信号，以便产生非周期数字信号; 以及通过将数字信号转换为模拟信号来产生驱动电压的驱动电压产生单元。

16. 发明授权

US07643579B2 Multiple differential demodulator using weighting value 失效
标题翻译：多重差分解调器采用加权值
公开(公告)号：US07643579B2
公开(公告)日：2010-01-05
申请号：US11457116
申请日：2006-07-12
申请人： Sang Hyun Min , Tah Joon Park , U Sang Lee , Koon Shik Cho , Kwang Mook Lee
发明人： Sang Hyun Min , Tah Joon Park , U Sang Lee , Koon Shik Cho , Kwang Mook Lee
IPC分类号： H04L27/22 , H03D3/22 , H04L27/06
CPC分类号： H04B14/06 , H04W84/10
摘要： The present invention relates to a multiple differential demodulator using a weighting value. The multiple differential demodulator according to the present invention includes a weighting value generator for integrating a real part and an imaginary part of a value acquired by multiplying one of a plurality of differentiated reception signals by a conjugated value of a differentiated PN code signal corresponding to a preset symbol, and determining the greater of the integrated real and integrated imaginary parts to apply a predetermined weighting value to the greater value, where the PN code signal is differentiated in the same fashion as the differentiated reception signals.
摘要翻译：本发明涉及使用加权值的多重差分解调器。根据本发明的多重差分解调器包括一个加权值产生器，用于将通过将多个差分接收信号中的一个相乘而得到的值的实部和虚部进行积分，该复数值与对应于并且确定积分的实数和积分虚部中的较大者，以将预定加权值应用于较大值，其中PN码信号以与差分接收信号相同的方式进行微分。

17. 发明授权

US07558346B2 Symbol detector based on frequency offset compensation in ZigBee system and symbol detecting method thereof 有权
标题翻译：基于ZigBee系统中频偏补偿的符号检测器及其符号检测方法
公开(公告)号：US07558346B2
公开(公告)日：2009-07-07
申请号：US11427771
申请日：2006-06-29
申请人： Sang Hyun Min , Hyung Jin Choi , Jung Su Han , Joo Hyun Do , Tah Joon Park , Kwang Mook Lee , Koon Shik Cho , U Sang Lee
发明人： Sang Hyun Min , Hyung Jin Choi , Jung Su Han , Joo Hyun Do , Tah Joon Park , Kwang Mook Lee , Koon Shik Cho , U Sang Lee
IPC分类号： H04B1/00 , H04L27/06
CPC分类号： H04L27/2657 , H04B1/708 , H04B1/709 , H04L27/261 , H04L27/2675
摘要： The invention relates to a symbol detector for detecting symbols received in a receive modem of short-range wireless personal area network of a ZigBee system (IEEE 802.15.4). An OQPSK short-range wireless communication system according to the invention acquires frequency offset in a received signal using a symbol contained in a preamble of a packet of the signal, multi-delay-differentiates the signal by a plurality of predetermined delay times, and complex-conjugates the acquired frequency offset to eliminate the frequency offset. Then, the OQPSK short-range wireless communication system according to the invention correlates the received signal with a PN sequence delay-differentiated through the same process to detect the symbols corresponding to the received signal.
摘要翻译：本发明涉及一种用于检测在ZigBee系统（IEEE 802.15.4）的短距离无线个域网的接收调制解调器中接收的符号的符号检测器。根据本发明的OQPSK短距离无线通信系统使用包含在信号分组的前导码中的符号来获取接收信号中的频率偏移，将信号多延迟多个预定延迟时间，并且复数收集频率偏移以消除频率偏移。然后，根据本发明的OQPSK短距离无线通信系统将接收到的信号与通过相同处理延迟差分的PN序列相关，以检测对应于接收信号的符号。

18. 发明申请

US20090083571A1 SYSTEM ON CHIP WITH LOW POWER MODE AND METHOD OF DRIVING THE SAME 审中-公开
标题翻译：低功率模式下的芯片系统及其驱动方法
公开(公告)号：US20090083571A1
公开(公告)日：2009-03-26
申请号：US12104956
申请日：2008-04-17
申请人： Koon Shik Cho , Seung Han Ko , Jae Hyung Lee , Sang Ho Lee , Kwang Mook Lee
发明人： Koon Shik Cho , Seung Han Ko , Jae Hyung Lee , Sang Ho Lee , Kwang Mook Lee
IPC分类号： G06F1/04
CPC分类号： G06F1/3203 , G06F1/324 , G06F1/3287 , Y02D10/126 , Y02D10/171 , Y02D50/20
摘要： There are provided a system on chip (SoC) with a low power mode and a method of driving the SoC, the SoC including: a power part supplying a main clock signal and controlling analog and digital power supply at a normal mode and supplying a sub clock signal and turning analog power off at a low power mode; a radio frequency (RF) part generating the main clock signal at the normal mode and stopping operation at the low power mode, under the control of the power part; and a control part operating according to the main clock signal at the normal mode and operating according to the sub clock signal, under to the control of the power part.
摘要翻译：提供了具有低功率模式的片上系统（SoC）和驱动SoC的方法，SoC包括：提供主时钟信号的电源部分，并以正常模式控制模拟和数字电源，并提供子时钟信号，并在低功耗模式下关闭模拟电源; 在功率部分的控制下，以正常模式产生主时钟信号并在低功率模式下停止操作的射频（RF）部分; 以及控制部，其在正常模式下根据主时钟信号进行工作，并根据子时钟信号在功率部分的控制下工作。

19. 发明申请

US20090074034A1 DIRECT SEQUENCE SPREAD SPECTRUM TRANSCEIVER 有权
标题翻译：直接序列扩展光谱收发器
公开(公告)号：US20090074034A1
公开(公告)日：2009-03-19
申请号：US12098396
申请日：2008-04-04
申请人： Sang Hyun MIN , Koon Shik Cho , Jae Hyung Lee , Kwang Mook Lee
发明人： Sang Hyun MIN , Koon Shik Cho , Jae Hyung Lee , Kwang Mook Lee
IPC分类号： H04B1/707
CPC分类号： H04B1/707 , H04J13/004
摘要： A direct sequence spread spectrum (DSSS) transceiver including a DSSS transmitter and a DSSS receiver, wherein the DSSS transmitter includes: an integral code mapping unit mapping source bit data in one of 2N (N is a natural number) of predetermined symbols by N bits and mapping the symbol in one of integral code words that are obtained by previously integrating each of 2N of bi-orthogonal code words; and a radio frequency (RF) transmitting unit transmitting the integral code words mapped by the integral code mapping unit over an RF carrier wave, and the DSSS receiver includes: an RF receiving unit removing an RF carrier wave from an RF signal from the RF transmitting unit and converting an analog signal obtained by removing the RF carrier wave from the RF signal into a digital signal; a differential circuit unit differentiating and converting the digital signal from the RF receiving unit into bi-orthogonal code words; and a symbol detection unit detecting a symbol corresponding to a maximum value of correlation values between bi-orthogonal code word from the differential circuit unit and a plurality of predetermined reference code words.
摘要翻译：包括DSSS发射机和DSSS接收机的直接序列扩频（DSSS）收发机，其中DSSS发射机包括：一个整数码映射单元，用于将预定符号的2N（N是自然数）之一的N比特的源比特数据映射到N比特以及将符号映射到通过预先积分2N个双正交码字中的每一个而获得的积分码字之一中的符号; 以及射频（RF）发送单元，其通过RF载波发送由积分码映射单元映射的积分码字，并且所述DSSS接收机包括：RF接收单元，从RF发射的RF信号中去除RF载波; 将通过从RF信号中去除RF载波而获得的模拟信号转换为数字信号; 差分电路单元，将来自RF接收单元的数字信号分解并转换成双正交码字; 以及符号检测单元，检测与来自差分电路单元的双正交码字和多个预定参考码字之间的相关值的最大值相对应的符号。

20. 发明授权

US07496156B2 Receiver having digital timing recovery function 有权
标题翻译：接收机具有数字定时恢复功能
公开(公告)号：US07496156B2
公开(公告)日：2009-02-24
申请号：US11330212
申请日：2006-01-12
申请人： U Sang Lee , Tah Joon Park , Kwang Mook Lee , Sang Hyun Min
发明人： U Sang Lee , Tah Joon Park , Kwang Mook Lee , Sang Hyun Min
IPC分类号： H04L27/00
CPC分类号： H04L7/0334 , H04L7/042 , H04L7/046
摘要： The invention relates to a receiver having a digital timing recovery function. The receiver of the invention detects frequency offset of a received signal by using symbol correlation between the received signal and a reference signal, and increases/decreases the number of data samples according to the detected frequency offset, thereby recovering symbol timing of the received signal.
摘要翻译：本发明涉及具有数字定时恢复功能的接收机。本发明的接收机通过使用接收信号和参考信号之间的符号相关来检测接收信号的频偏，并且根据检测到的频率偏移增加/减少数据样本数，从而恢复接收信号的符号定时。

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