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1. 发明授权

US07903771B2 Time-domain IQ mismatch detection apparatus of OFDM receiver 失效
标题翻译： OFDM接收机的时域IQ失配检测装置
公开(公告)号：US07903771B2
公开(公告)日：2011-03-08
申请号：US11947508
申请日：2007-11-29
申请人： Young Ha Cho , Kyung Uk Kim , Bon Young Koo
发明人： Young Ha Cho , Kyung Uk Kim , Bon Young Koo
IPC分类号： H03D1/04
CPC分类号： H04L27/2647 , H04B1/30 , H04L27/3863
摘要： A time-domain IQ mismatch detection apparatus for detecting mismatch between an I-channel signal and a Q-channel signal in unit of a sample included in a symbol of an OFDM signal comprises: a first delayer which delays an input I-channel signal by one sample interval; a second delayer which delays an input Q-channel signal by one sample interval; a first phase mismatch detector which multiplies a currently-input I-channel signal with a currently-input Q-channel signal and output a result thereof; a second phase mismatch detector which multiplies the currently-input I-channel signal and the delayed Q-channel signal and output a result thereof; a third phase mismatch detector which multiplies the delayed I-channel signal with the currently-input Q-channel signal and output a result thereof; and a phase error arithmetic unit which outputs a phase error value calculated using the outputs of the first, second and third phase mismatch detectors.
摘要翻译：用于检测包含在OFDM信号的符号中的样本的I信道信号和Q信道信号之间的失配的时域IQ失配检测装置包括：第一延迟器，其将输入的I信道信号延迟一个采样间隔; 第二延迟器，其将输入Q信道信号延迟一个采样间隔; 第一相位不匹配检测器，其将当前输入的I信道信号与当前输入的Q信道信号相乘并输出其结果; 第二相位不匹配检测器，其将当前输入的I信道信号和延迟的Q信道信号相乘并输出其结果; 第三相位不匹配检测器，将延迟的I信道信号与当前输入的Q信道信号相乘，并输出其结果; 以及相位误差运算单元，输出使用第一，第二和第三相位不匹配检测器的输出计算出的相位误差值。

2. 发明申请

US20080123767A1 OFDM RECEIVER USING TIME-DOMAIN AND FREQUENCY-DOMAIN EQUALIZING AND TIME DOMAIN EQUALIZER 有权
标题翻译： OFDM接收器使用时域和频域均衡和时域均衡器
公开(公告)号：US20080123767A1
公开(公告)日：2008-05-29
申请号：US11945593
申请日：2007-11-27
申请人： Young Ha CHO , Kyung Uk Kim , Hyun Suk Lee
发明人： Young Ha CHO , Kyung Uk Kim , Hyun Suk Lee
IPC分类号： H04B7/02
CPC分类号： H04L25/03159 , H04L25/03038 , H04L27/2662 , H04L2025/03414 , H04L2025/03541 , H04L2025/03617
摘要： An orthogonal frequency division multiplexing (OFDM) receiver capable of improving equalization performance is provided. In the OFDM receiver receiving an OFDM signal having a frame structure constructed with one reference symbol and a plurality of data symbols following the reference symbol, the OFDM receiver includes: a synchronizer which detects a position of the reference symbol from the received OFDM signal; a time-domain equalizer which equalizes in a time domain the data symbols that are separated by a distance longer than a predetermined distance from the position of the reference symbol; an FFT (fast Fourier transform) unit which performs an FFT process on the OFDM signal; and a frequency-domain equalizer which equalizes in a frequency domain the data symbols that are separated by a distance shorter than a predetermined distance from the position of the reference symbol.
摘要翻译：提供能够提高均衡性能的正交频分复用（OFDM）接收机。在OFDM接收机中，OFDM接收机接收具有由一个参考符号构成的帧结构的OFDM信号和该参考符号之后的多个数据符号，OFDM接收机包括：同步器，其从接收的OFDM信号中检测参考符号的位置; 时域均衡器，其在时域中均衡与参考符号的位置相距一定距离的距离的数据符号; 对OFDM信号执行FFT处理的FFT（快速傅里叶变换）单元; 以及频域均衡器，其在频域上均衡距离参考符号的位置小于预定距离的距离的数据符号。

3. 发明授权

US07869495B2 OFDM receiver using time-domain and frequency-domain equalizing and time domain equalizer 有权
标题翻译： OFDM接收机使用时域和频域均衡和时域均衡器
公开(公告)号：US07869495B2
公开(公告)日：2011-01-11
申请号：US11945593
申请日：2007-11-27
申请人： Young Ha Cho , Kyung Uk Kim , Hyun Suk Lee
发明人： Young Ha Cho , Kyung Uk Kim , Hyun Suk Lee
IPC分类号： H03K7/30
CPC分类号： H04L25/03159 , H04L25/03038 , H04L27/2662 , H04L2025/03414 , H04L2025/03541 , H04L2025/03617
摘要： An orthogonal frequency division multiplexing (OFDM) receiver capable of improving equalization performance is provided. In the OFDM receiver receiving an OFDM signal having a frame structure constructed with one reference symbol and a plurality of data symbols following the reference symbol, the OFDM receiver includes: a synchronizer which detects a position of the reference symbol from the received OFDM signal; a time-domain equalizer which equalizes in a time domain the data symbols that are separated by a distance longer than a predetermined distance from the position of the reference symbol; an FFT (fast Fourier transform) unit which performs an FFT process on the OFDM signal; and a frequency-domain equalizer which equalizes in a frequency domain the data symbols that are separated by a distance shorter than a predetermined distance from the position of the reference symbol.
摘要翻译：提供能够提高均衡性能的正交频分复用（OFDM）接收机。在OFDM接收机中，OFDM接收机接收具有由一个参考符号构成的帧结构的OFDM信号和该参考符号之后的多个数据符号，OFDM接收机包括：同步器，其从接收的OFDM信号中检测参考符号的位置; 时域均衡器，其在时域中均衡与参考符号的位置相距一定距离的距离的数据符号; 对OFDM信号执行FFT处理的FFT（快速傅里叶变换）单元; 以及频域均衡器，其在频域上均衡距离参考符号的位置小于预定距离的距离的数据符号。

4. 发明申请

US20110080353A1 Electrode pattern for touch screen, driver for touch screen, and touch screen 审中-公开
标题翻译：触摸屏电极图案，触摸屏驱动程序和触摸屏
公开(公告)号：US20110080353A1
公开(公告)日：2011-04-07
申请号：US12654425
申请日：2009-12-18
申请人： Shin Jae Kang , Kyung Uk Kim , Won Jin Baek
发明人： Shin Jae Kang , Kyung Uk Kim , Won Jin Baek
IPC分类号： G06F3/041 , H05K1/00
CPC分类号： G06F3/044
摘要： Disclosed is a touch screen to accurately receive a user selection by applying differential signals to the electrode patterns of a touch screen, each having a different capacitance.
摘要翻译：公开了一种触摸屏，用于通过对每个具有不同电容的触摸屏的电极图案施加差分信号来准确地接收用户选择。

5. 发明申请

US20130080093A1 POWER COMPUTING APPARATUS AND METHOD 审中-公开
标题翻译：电力计算设备和方法
公开(公告)号：US20130080093A1
公开(公告)日：2013-03-28
申请号：US13479995
申请日：2012-05-24
申请人： Wan Cheol Yang , Kyung Uk Kim
发明人： Wan Cheol Yang , Kyung Uk Kim
IPC分类号： G01R21/133 , G06F19/00
CPC分类号： G01R21/133
摘要： A power computing apparatus and method is provided. The power computing apparatus includes: a multiplexer configured to receive detected single-phase current and voltage signals and output a single analog signal; an analog-to-digital converter configured to convert the analog signal output from the multiplexer into a digital signal; a demultiplexer configured to separate the digital conversion signal output from the analog-to-digital converter into digital signals representing single-phase current and voltage and output the separated digital signals; a phase detector configured to detect a phase angle between the single-phase current and voltage signals; and a power computing block configured to compute power from the digital current and voltage signals output from the demultiplexer by using error compensation parameter and the phase angle detected by the phase detector.
摘要翻译：提供了一种电力计算装置和方法。电力计算装置包括：多路复用器，被配置为接收检测到的单相电流和电压信号并输出单个模拟信号; 模数转换器，被配置为将从多路复用器输出的模拟信号转换为数字信号; 解复用器，被配置为将从模数转换器输出的数字转换信号分离成表示单相电流和电压的数字信号，并输出分离的数字信号; 相位检测器，被配置为检测单相电流和电压信号之间的相位角; 以及功率计算块，其被配置为通过使用误差补偿参数和由所述相位检测器检测到的相位角来从所述解复用器输出的数字电流和电压信号中计算功率。

6. 发明申请

US20120256622A1 HALL SENSOR HAVING OFFSET REMOVAL FUNCTION AND OFFSET REMOVING METHOD THEREOF 审中-公开
标题翻译：具有偏移功能的偏移传感器及其移除方法
公开(公告)号：US20120256622A1
公开(公告)日：2012-10-11
申请号：US13188247
申请日：2011-07-21
申请人： Sung Tae KIM , Sang Gyu Park , Kyung Uk Kim , Dong Ok Han , Seung Chul Pyo , Soo Woong Lee
发明人： Sung Tae KIM , Sang Gyu Park , Kyung Uk Kim , Dong Ok Han , Seung Chul Pyo , Soo Woong Lee
IPC分类号： G01R33/07
CPC分类号： G01R33/07 , G01R33/0029
摘要： There are provided a hall sensor having an offset removal function removing an offset included in a hall voltage, and an offset removing method thereof. The hall sensor includes: a converting unit converting first and second detection voltages detected for each of a plurality of preset detection directions by a hall device detecting a magnetic field as a voltage according to the plurality of preset detection directions into a pulse having a level difference therebetween as a width; a sign determining unit comparing the first and second detection voltages with each other and determining whether the pulse has a positive sign or a negative sign according to the comparison result; a counter counting the width of the pulse from the converting unit with a preset reference time unit; and an operating unit removing an offset voltage included in the first and second detection voltages by performing a minus operation with the numbers counted by the counter according to the sign determined by the sign determining unit.
摘要翻译：提供了具有去除包括在霍尔电压中的偏移的偏移消除功能的霍尔传感器及其偏移消除方法。霍尔传感器包括：转换单元，通过检测作为根据多个预设检测方向的电压的磁场的霍尔器件将针对多个预设检测方向中的每一个检测的第一和第二检测电压转换成具有电平差的脉冲之间的宽度; 符号确定单元，将第一和第二检测电压彼此进行比较，并根据比较结果确定脉冲是否具有正号或负号; 一个计数器，用一个预设的基准时间单位来计算来自转换单元的脉冲宽度; 以及操作单元，通过根据由所述符号确定单元确定的符号由所述计数器计数的数字执行减号操作来去除包括在所述第一和第二检测电压中的偏移电压。

7. 发明授权

US08633615B2 Wireless power transmission/reception apparatus and method 有权
标题翻译：无线电力发送/接收装置和方法
公开(公告)号：US08633615B2
公开(公告)日：2014-01-21
申请号：US12630348
申请日：2009-12-03
申请人： Kwang Du Lee , Kyung Uk Kim , Jeong Hoon Kim , Eung Ju Kim
发明人： Kwang Du Lee , Kyung Uk Kim , Jeong Hoon Kim , Eung Ju Kim
IPC分类号： H01F38/00
CPC分类号： H02J50/12 , H01F38/14 , H02J5/005 , H02J17/00 , H02J50/40 , H02J50/80 , H02J50/90 , Y10T307/944
摘要： Disclosed herein is a wireless power transmission/reception apparatus. The wireless power transmission/reception apparatus includes a wireless power transmission unit and a wireless power reception unit. The wireless power transmission unit receives power, generates a wireless power signal to be wirelessly transmitted, wirelessly transmits the generated wireless power signal in a magnetic resonance manner, receives a returned wireless power signal and detects the number of power consumption devices, and wirelessly transmits a wireless power signal using resonance frequency appropriate for the number of power consumption devices.
摘要翻译：这里公开了一种无线电力发送/接收装置。无线电力发送/接收装置包括无线电力传输单元和无线电力接收单元。无线电力传输单元接收电力，产生无线发射的无线电力信号，以磁共振的方式无线发送生成的无线电力信号，接收返回的无线电力信号并检测功率消耗装置的数量，并且无线发送无线功率信号采用谐振频率适合多功耗设备。

8. 发明申请

US20130230318A1 COMMUNICATIONS INTERFACE APPARATUS AND METHOD OF OPERATING THE SAME 审中-公开
标题翻译：通信接口装置及其操作方法
公开(公告)号：US20130230318A1
公开(公告)日：2013-09-05
申请号：US13533729
申请日：2012-06-26
申请人： Eung Ju Kim , Won Jin Baek , Kyung Uk Kim
发明人： Eung Ju Kim , Won Jin Baek , Kyung Uk Kim
IPC分类号： H04B10/12
CPC分类号： H04B10/801 , H04B10/25
摘要： There are provided a communications interface apparatus and a method of operating the same. The communications interface apparatus includes: a transmission line including a conductor line and a plastic optical fiber for optical communications; a signal transmitting unit transmitting a first data signal through the plastic optical fiber and transmitting a second data signal through the conductor line; and a signal receiving unit receiving the first data signal and the second data signal, wherein the signal transmitting unit differentiates a signal as the first data signal or the second data signal based on at least one of a level and a frequency of the signal to be transmitted.
摘要翻译：提供了一种通信接口装置及其操作方法。通信接口装置包括：传输线，包括用于光通信的导线和塑料光纤; 信号发送单元，通过塑料光纤发送第一数据信号，并通过导线发送第二数据信号; 以及信号接收单元，接收所述第一数据信号和所述第二数据信号，其中所述信号发送单元基于所述信号的电平和频率中的至少一个来区分作为所述第一数据信号或所述第二数据信号的信号传输。

9. 发明授权

US08324950B2 Schmitt trigger circuit operated based on pulse width 有权
标题翻译：施密特触发电路基于脉冲宽度工作
公开(公告)号：US08324950B2
公开(公告)日：2012-12-04
申请号：US13034363
申请日：2011-02-24
申请人： Sung Tae Kim , Sang Gyu Park , Kyung Uk Kim , Dong Ok Han , Seung Chul Pyo , Soo Woong Lee
发明人： Sung Tae Kim , Sang Gyu Park , Kyung Uk Kim , Dong Ok Han , Seung Chul Pyo , Soo Woong Lee
IPC分类号： G01R29/02 , H03K3/356
CPC分类号： H03K3/3565
摘要： There are provided a Schmitt trigger circuit that has hysteresis characteristics in which a release point and an operating point are determined based on a width of an inputted pulse. The Schmitt trigger circuit may include a signal/pulse conversion unit that receives an analog signal to generate an input pulse having a width corresponding to a magnitude of the analog signal, a pulse width determination unit that compares the width of the input pulse generated in the signal/pulse conversion unit with a predetermined first threshold width and a second threshold width greater than the first threshold width to output state information indicating the compared result, and an output determination unit that outputs a high signal, when the width of the input pulse is changed from a state of being smaller than the second threshold width to a state of being greater than the second threshold width based on the state information, and outputs a low signal when the width of the input pulse is changed from a state of being greater than the first threshold width to a state of being smaller than the first threshold width based on the state information.
摘要翻译：提供了具有滞后特性的施密特触发电路，其中基于输入脉冲的宽度来确定释放点和操作点。施密特触发电路可以包括：信号/脉冲转换单元，其接收模拟信号以产生具有对应于模拟信号的幅度的宽度的输入脉冲;脉冲宽度确定单元，其将生成的输入脉冲的宽度进行比较信号/脉冲转换单元，具有预定的第一阈值宽度和大于第一阈值宽度的第二阈值宽度，以输出指示比较结果的状态信息;以及输出确定单元，当输入脉冲的宽度为根据状态信息从小于第二阈值宽度的状态变为大于第二阈值宽度的状态，并且当输入脉冲的宽度从大于基于状态信息将第一阈值宽度设置为小于第一阈值宽度的状态。

10. 发明授权

US08760006B2 Wireless power transmission/reception apparatus and method having communication function 有权
标题翻译：具有通信功能的无线电力发送/接收装置和方法
公开(公告)号：US08760006B2
公开(公告)日：2014-06-24
申请号：US12630512
申请日：2009-12-03
申请人： Kwang Du Lee , Kyung Uk Kim , Jeong Hoon Kim , Eung Ju Kim
发明人： Kwang Du Lee , Kyung Uk Kim , Jeong Hoon Kim , Eung Ju Kim
IPC分类号： H04B5/00 , H04B1/38 , H01F38/00
CPC分类号： G06K7/0008 , H02J5/005 , H02J7/025 , H02J50/10 , H02J50/50 , H02J50/80 , H04B5/0037 , H04B5/0093
摘要： Disclosed herein is a wireless power transmission/reception apparatus and method having a communication function.The wireless power transmission/reception apparatus includes a wireless power transmission device and wireless power transmission devices. The wireless power transmission device receives a returned wireless power signal, detects the number of power consumption devices, modulates pieces of ID data, each including ID of a corresponding power consumption device, transmits the modulated ID data, receives returned ID data, and determines suitableness of the power consumption devices. Each of the wireless power reception devices returns a remaining wireless power signal which is not received among wireless power signals from the wireless power transmission device, and temporarily stops a power consumption device when an ID of the received ID data is an ID of a power consumption device connected thereto, thus returning ID data which will be subsequently received to the wireless power transmission device.
摘要翻译：这里公开了具有通信功能的无线电力发送/接收装置和方法。无线电力发送/接收装置包括无线电力传输装置和无线电力传输装置。无线电力发送装置接收返回的无线电力信号，检测功率消耗装置的数量，调制各个ID数据，每个ID数据包括对应的功率消耗装置的ID，发送调制的ID数据，接收返回的ID数据，并确定适合性的功耗器件。每个无线电力接收装置返回在无线电力传输装置的无线电力信号之间未接收到的剩余无线电力信号，并且当所接收的ID数据的ID是电力消耗的ID时，临时停止功耗装置连接到其上的设备，从而返回将被接收到无线电力传输设备的ID数据。

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