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1. 发明申请

US20080103783A1 APPARATUS AND METHOD FOR MEASURING QUALITY OF SOUND ENCODED WITH A VARIABLE BAND MULTI-CODEC 失效
标题翻译：用可变带多编码器编码的声音质量测量装置和方法
公开(公告)号：US20080103783A1
公开(公告)日：2008-05-01
申请号：US11857539
申请日：2007-09-19
申请人： Tae-Gyu KANG , Ki-Jong KOO , Dae-Ho KIM , Do Young KIM , Hae Won JUNG
发明人： Tae-Gyu KANG , Ki-Jong KOO , Dae-Ho KIM , Do Young KIM , Hae Won JUNG
IPC分类号： G10L19/00
CPC分类号： G10L25/69 , G10L19/24
摘要： Provided are a method and apparatus for measuring sound quality in a variable band multi-codec. The sound quality measurement apparatus includes: a recording file receiving/generating unit receiving a first recording file in which a natural sound is recorded, and a second recording file obtained by converting the natural sound into digital data using the variable band multi-codec, receiving information obtained by encoding the natural sound using the variable band multi-codec, in the format of a Real Time Protocol (RTP) packet, unpacking the RTP packet, decoding the RTP packet using the variable band multi-codec, and generating a third recording file; a Mean Opinion Score (MOS) value calculating unit repeatedly selecting a file from among the first recording file, the second recording file, and the third recording file, or selecting two files from among the first recording file, the second recording file, and the third recording file, and calculating a MOS value by obtaining a difference between the selected results; and a MOS value comparison unit comparing a plurality of MOS values generated by the MOS value calculating unit, with each other, and detecting a cause of sound quality deterioration.
摘要翻译：提供了一种用于测量可变频带多编解码器中的声音质量的方法和装置。声音测量装置包括：记录文件接收/生成单元，接收其中记录有自然声音的第一记录文件;以及第二记录文件，其通过使用可变频带多编解码器将自然声音转换为数字数据而获得，第二记录文件接收使用可变频带多编解码器以实时协议（RTP）分组的格式编码自然声音获得的信息，解包RTP分组，使用可变频带多编解码器解码RTP分组，以及生成第三记录文件; 平均意见得分（MOS）值计算单元，重复从第一记录文件，第二记录文件和第三记录文件中选择文件，或者从第一记录文件，第二记录文件和第二记录文件中选择两个文件第三记录文件，并且通过获得所选择的结果之间的差来计算MOS值; 以及MOS值比较单元，将由MOS值计算单元生成的多个MOS值彼此进行比较，并且检测出音质劣化的原因。

2. 发明申请

US20080133248A1 METHOD AND APPARATUS FOR MATCHING SOUND QUALITY MEASUREMENT SECTIONS OF VARIABLE BANDWIDTH MULTI-CODEC 有权
标题翻译：用于匹配可变带宽多编解码器的声质量测量部分的方法和装置
公开(公告)号：US20080133248A1
公开(公告)日：2008-06-05
申请号：US11928557
申请日：2007-10-30
申请人： Dae-Ho KIM , Tae-Gyu KANG , Koo Ki-Jong , Do Young KIM , Hae Won JUNG
发明人： Dae-Ho KIM , Tae-Gyu KANG , Koo Ki-Jong , Do Young KIM , Hae Won JUNG
IPC分类号： G10L19/00
CPC分类号： G10L25/69 , G10L19/18
摘要： Provided is a transmission apparatus for matching sound quality measurement sections of a variable bandwidth multi-codec. The apparatus includes a measurement section setting unit setting a measurement section, which is to be measured for sound quality, in units of time; a first conversion unit converting the measurement section into a measurement section in units of samples; and an information synthesis unit synthesizing information regarding the measurement section in units of samples with a digital original sound and outputting the synthesis result. In addition, provided is a method of matching a measurement section of a reference sound, based on which the end-to-end sound quality measurement of the variable bandwidth multi-codec is performed, and a measurement section of a sound produced by the variable bandwidth multi-codec in a real-time Internet multimedia service. Therefore, distortion of measurement results due to un-matching measurement sections can be reduced.
摘要翻译：提供了一种用于匹配可变带宽多编解码器的音质测量部分的发送装置。该装置包括以时间为单位设置要测量声音质量的测量部分的测量部分设置单元; 第一转换单元，以样本为单位将测量部转换为测量部; 以及信息合成单元，以具有数字原始声音的样本为单位合成关于测量部分的信息，并输出合成结果。此外，提供了一种将参考声音的测量部分与可变带宽多编解码器的端对端音质测量进行匹配的方法以及由变量产生的声音的测量部分带宽多编解码器在实时互联网多媒体服务。因此，可以减少由于不匹配的测量部分引起的测量结果的失真。

3. 发明申请

US20110069965A1 TRANSMITTER, RECEIVER FOR VISIBLE LIGHT COMMUNICATION AND METHOD USING THE SAME 有权
标题翻译：用于可见光通信的发射机，接收机和使用该光通信的方法
公开(公告)号：US20110069965A1
公开(公告)日：2011-03-24
申请号：US12883574
申请日：2010-09-16
申请人： Dae-Ho KIM , Sang-Kyu Lim , Il-Soon Jang , Tae-Gyu Kang
发明人： Dae-Ho KIM , Sang-Kyu Lim , Il-Soon Jang , Tae-Gyu Kang
IPC分类号： H04B10/00
CPC分类号： H04B10/116 , H04B10/1149
摘要： A visible light wireless communication receiver includes: a source code recognizing unit that receives a source bit stream and recognizes the source bit stream as source codes of a unit of a first number of bits; and a line coding unit that encodes each of the source codes into an encoding code of a unit of a second number of bits, the second number being larger than the first number. In particular, in the encoding code, the number of bits corresponding to 1 is the same as the number of bits corresponding to 0. Therefore, the change in brightness of lighting may be minimized in the visible light wireless communication.
摘要翻译：可见光无线通信接收机包括：源代码识别单元，其接收源比特流并将源比特流识别为第一比特数的单位的源代码; 以及行编码单元，其将每个源代码编码为第二位数单位的编码码，第二数大于第一数。特别地，在编码代码中，对应于1的比特数与对应于0的比特数相同。因此，在可见光无线通信中照明亮度的变化可能被最小化。

4. 发明申请

US20130004184A1 APPARATUS FOR VISIBLE LIGHT COMMUNICATION PROVIDING INTUITIVE INFORMATION AND METHOD USING THE SAME 有权
公开(公告)号：US20130004184A1
公开(公告)日：2013-01-03
申请号：US13609783
申请日：2012-09-11
申请人： Il-Soon JANG , Dae-Ho KIM , Sang-Kyu LIM , Tae-Gyu KANG
发明人： Il-Soon JANG , Dae-Ho KIM , Sang-Kyu LIM , Tae-Gyu KANG
IPC分类号： H04B10/00
CPC分类号： H04B10/116 , H04B10/1149 , H04J14/02
摘要： There is disclosed a visible light communication technology capable of intuitively recognizing a transmission speed, an alignment status, a communication status, or a transmission rate. A visible light communication apparatus according to an embodiment of the present invention includes: a light source selecting unit selecting at least one light source of a plurality of light sources generating lights having different wavelengths by considering intuitive information distinguished depending on a wavelength in a visible light band; and a visible light communication unit performing visible light communication by at least one selected light source to allow the intuitive information to be recognized by a color corresponding to at least one selected light source. Accordingly, a user using the visible light communication can intuitively know an optimal communication status or transmission speed.

5. 发明申请

US20130004183A1 APPARATUS FOR VISIBLE LIGHT COMMUNICATION PROVIDING INTUITIVE INFORMATION AND METHOD USING THE SAME 有权
标题翻译：用于可见光通信的装置提供直观的信息和使用该信息的方法
公开(公告)号：US20130004183A1
公开(公告)日：2013-01-03
申请号：US13609766
申请日：2012-09-11
申请人： Il-Soon JANG , Dae-Ho KIM , Sang-Kyu LIM , Tae-Gyu KANG
发明人： Il-Soon JANG , Dae-Ho KIM , Sang-Kyu LIM , Tae-Gyu KANG
IPC分类号： H04B10/00
CPC分类号： H04B10/116 , H04B10/1149 , H04J14/02
摘要： There is disclosed a visible light communication technology capable of intuitively recognizing a transmission speed, an alignment status, a communication status, or a transmission rate. A visible light communication apparatus according to an embodiment of the present invention includes: a light source selecting unit selecting at least one light source of a plurality of light sources generating lights having different wavelengths by considering intuitive information distinguished depending on a wavelength in a visible light band; and a visible light communication unit performing visible light communication by at least one selected light source to allow the intuitive information to be recognized by a color corresponding to at least one selected light source. Accordingly, a user using the visible light communication can intuitively know an optimal communication status or transmission speed.
摘要翻译：公开了能够直观地识别传输速度，对准状态，通信状态或传输速率的可见光通信技术。根据本发明实施例的可见光通信装置包括：光源选择单元，通过考虑根据可见光中的波长区分的直观信息来选择产生具有不同波长的光的多个光源的至少一个光源带; 以及可见光通信单元，其通过至少一个选择的光源执行可见光通信，以允许通过与至少一个所选择的光源相对应的颜色来识别直观信息。因此，使用可见光通信的用户可以直观地知道最佳通信状态或传输速度。

6. 发明申请

US20130004182A1 VISIBLE LIGHT COMMUNICATION APPARATUS CAPABLE OF MINUTE DIMMING CONTROL AND METHOD USING THE SAME 有权
标题翻译：可见光通信装置，能够进行分钟控制和使用该方法的方法
公开(公告)号：US20130004182A1
公开(公告)日：2013-01-03
申请号：US13427714
申请日：2012-03-22
申请人： Dae-Ho KIM , Tae-Gyu KANG , Sang-Kyu LIM , Il-Soon JANG , You-Jin KIM
发明人： Dae-Ho KIM , Tae-Gyu KANG , Sang-Kyu LIM , Il-Soon JANG , You-Jin KIM
IPC分类号： H04B10/10
CPC分类号： H04B10/116
摘要： Disclosed herein are a visible light communication method and apparatus. The visible light communication method includes determining a dimming level variable to perform minute dimming control, selecting an upper dimming symbol and a lower dimming symbol, which belong to Variable Pulse Position Modulation (VPPM) symbols, based on the dimming level variable, determining at least one of the number of upper dimming symbols to be sent and the number of lower dimming symbols to be sent based on the dimming level variable, and generating a transmission sequence corresponding to the dimming level variable by combining the upper dimming symbols and the lower dimming symbols based on the number of symbols to be sent.
摘要翻译：本文公开了可见光通信方法和装置。可见光通信方法包括：基于调光电平变量确定调光电平变量以执行微调光控制，选择属于可变脉冲位置调制（VPPM）符号的上调光符号和下调光符号，至少确定基于调光电平变量发送的上调光符号的数量和要发送的下调光符号的数量之一，以及通过组合上调光符号和下调光符号来生成与调光电平变量相对应的发送序列基于要发送的符号数量。

7. 发明申请

US20110026918A1 APPARATUS FOR VISIBLE LIGHT COMMUNICATION INDICATING COMMUNICATION QUALITY USING RGB COLOR MIXING AND METHOD THEREOF 有权
标题翻译：用于可见光通信的装置，其使用RGB颜色混合来表示通信质量及其方法
公开(公告)号：US20110026918A1
公开(公告)日：2011-02-03
申请号：US12846359
申请日：2010-07-29
申请人： Dae-Ho KIM , Tae-Gyu Kang , Sang-Kyu Lim , II-Soon Jang
发明人： Dae-Ho KIM , Tae-Gyu Kang , Sang-Kyu Lim , II-Soon Jang
IPC分类号： H04B10/08 , H04B10/00
CPC分类号： H04B10/116 , H04B10/1143
摘要： A visible light communication apparatus of the present invention includes: a target signal receiver filtering only a signal having a target wavelength from a visible light received signal received from a transmitting terminal; a signal generator judging a reception quality of the visible light received signal by using characteristics of the signal having the target wavelength and generating a visible signal by using at least one light source having a wavelength different from the target wavelength in accordance with the reception quality; and an optical signal transmitter transmitting the signal having the target wavelength for transmitting data together with the visible signal and changing a light emitting color of a visible light transmitted signal.
摘要翻译：本发明的可见光通信装置包括：目标信号接收机，从发射端子接收到的可见光接收信号仅滤除具有目标波长的信号; 信号发生器，通过使用具有目标波长的信号的特性来判断可见光接收信号的接收质量，并根据接收质量通过使用至少一个具有与目标波长不同的波长的光源产生可见信号; 以及光信号发射器，将具有目标波长的信号与可见信号一起发射，并且改变可见光发射信号的发光颜色。

8. 发明申请

US20130185482A1 MEMORY SYSTEM USING A STORAGE HAVING FIRMWARE WITH A PLURALITY OF FEATURES 审中-公开
标题翻译：使用具有多项功能的固件的存储系统
公开(公告)号：US20130185482A1
公开(公告)日：2013-07-18
申请号：US13733309
申请日：2013-01-03
申请人： Dae-Ho KIM , Seong-Nam KWON , Myung-Hyun JO
发明人： Dae-Ho KIM , Seong-Nam KWON , Myung-Hyun JO
IPC分类号： G06F12/02
CPC分类号： G06F12/0246 , G06F3/0605 , G06F3/0632 , G06F3/0679
摘要： A memory system includes a host including a configuration controller to receive an input command and to output a configuration command corresponding to the input command, and a storage to be driven by firmware including a plurality of features, the storage including an adaptation controller to receive the configuration command from the configuration controller and to determine whether to enable each of the features.
摘要翻译：存储器系统包括主机，其包括配置控制器，用于接收输入命令并输出与输入命令相对应的配置命令;以及存储器，其由包括多个特征的固件驱动，所述存储器包括适配控制器以接收配置命令从配置控制器确定是否启用每个功能。

9. 发明申请

US20100109615A1 Power Factor Correction Circuit And Method Of Driving The Same 有权
标题翻译：功率因数校正电路及其驱动方法
公开(公告)号：US20100109615A1
公开(公告)日：2010-05-06
申请号：US12608727
申请日：2009-10-29
申请人： Jong-Tae HWANG , Jin-Sung KIM , Moon-Sang JUNG , Dae-Ho KIM , Sung-Yun PARK
发明人： Jong-Tae HWANG , Jin-Sung KIM , Moon-Sang JUNG , Dae-Ho KIM , Sung-Yun PARK
IPC分类号： G05F1/70
CPC分类号： G05F1/70 , H02M1/4225 , H02M2001/0025 , Y02B70/126
摘要： The present invention relates to a power factor correction circuit and a method of driving the power factor correction circuit. The power factor correction circuit according to the present invention includes a power transfer element configured to receive an input voltage, an input current corresponding to the input voltage flowing through the power transfer element, and a switch connected to the power transfer element and configured to control an output voltage generated by the current flowing through the power transfer element. The power factor correction circuit is configured to detect a zero voltage edge timing of the input voltage by detecting the input voltage, generate a reference clock signal having a frequency that varies according to the detected edge timing, generate a reference signal using the reference clock signal, generate an error amplification signal based on a difference between the output voltage and a predetermined error reference signal, generate the amplification reference signal by multiplying the reference signal by the error amplification signal, and control a switching operation of the switch using the amplification reference signal and a detection signal corresponding to a current flowing through the switch.
摘要翻译：本发明涉及一种功率因数校正电路和驱动功率因数校正电路的方法。根据本发明的功率因数校正电路包括功率传输元件，其被配置为接收输入电压，对应于流过功率传递元件的输入电压的输入电流，以及连接到功率传输元件的开关，并且被配置为控制由流过功率传递元件的电流产生的输出电压。功率因数校正电路被配置为通过检测输入电压来检测输入电压的零电压边沿定时，产生具有根据检测到的边沿定时而变化的频率的参考时钟信号，使用参考时钟信号产生参考信号基于输出电压和预定误差参考信号之间的差产生误差放大信号，通过将参考信号乘以误差放大信号产生放大参考信号，并使用放大参考信号来控制开关的开关操作以及与流过开关的电流对应的检测信号。

10. 发明申请

US20090060069A1 SIGNAL TRANSMITTING APPARATUS, METHOD THEREOF, AND INVERSE FAST FOURIER TRANSFORM APPARATUS FOR SIGNAL TRANSMITTING APPARATUS 有权
标题翻译：信号发送装置及其方法及用于信号发送装置的反向快速傅立叶变换装置
公开(公告)号：US20090060069A1
公开(公告)日：2009-03-05
申请号：US12105172
申请日：2008-04-17
申请人： Jun-Woo KIM , Dae-Ho KIM , Young-Ha LEE , Youn-Ok PARK
发明人： Jun-Woo KIM , Dae-Ho KIM , Young-Ha LEE , Youn-Ok PARK
IPC分类号： H04L27/28
CPC分类号： H04L27/2607 , H04L27/263
摘要： The present invention relates to a signal transmitting apparatus, a method thereof, and an inverse fast Fourier transform (IFFT) apparatus for a signal transmitting apparatus. A signal transmitting apparatus according to an embodiment of the present invention receives data, and performs inverse fast Fourier transform (IFFT) on the data on the basis of a twiddle factor for shifting output data by the size of a cyclic prefix. In addition, the signal transmitting apparatus sequentially stores data corresponding to the size of the cyclic prefix starting with initial data among the transformed data, and generates an OFDM symbol on the basis of the stored data and the transformed data. According to the embodiment of the present invention, it is possible to efficiently reduce a time delay and a memory use amount when a cyclic prefix is added at a transmitting end, without changing the size of hardware and power consumption.
摘要翻译：信号发送装置及其方法技术领域本发明涉及信号发送装置及其方法以及信号发送装置的快速傅里叶逆变换（IFFT）装置。根据本发明的实施例的信号发送装置接收数据，并且基于用于根据循环前缀的大小移位输出数据的旋转因子对数据进行快速傅立叶逆变换（IFFT）。此外，信号发送装置顺序地存储与变换数据中的初始数据开始的循环前缀的大小相对应的数据，并且根据存储的数据和变换后的数据生成OFDM符号。根据本发明的实施例，可以有效地减少在发送端添加循环前缀的时间延迟和存储器使用量，而不改变硬件和功耗的大小。

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