公开(公告)号：US20110101572A1

公开(公告)日：2011-05-05

申请号：US12832404

申请日：2010-07-08

Applicant: Tae-hyun KIM ,  Jong-moon Eun ,  Yong-hoon Lee

Inventor： Tae-hyun KIM ,  Jong-moon Eun ,  Yong-hoon Lee

IPC: B29C47/88

CPC classification number: B29C35/10 ,  B29C48/0019 ,  B29C48/06 ,  B29C48/08 ,  B29C48/90 ,  B29C48/914 ,  B29C48/9165 ,  B29C71/02 ,  B29C71/04 ,  B29C2035/0827 ,  B29C2035/0877 ,  B29C2071/0045 ,  B29K2009/06 ,  B29K2021/00 ,  B29K2033/20 ,  B29K2995/0005 ,  B29L2007/008

Abstract: Disclosed is a method of manufacturing a charging roller useable in an electrophotographic image forming apparatus and a charging roller manufactured according to the method. The method includes introducing a conductive agent and a mixture of a rubber-based material and polyolefin-based resin into an extruder, extruding the conductive agent and the mixture to obtain an extrudate, crosslinking the extrudate by electron beam irradiation, and polishing the crosslinked extrudate. The method results in an environmentally friendly and simplified manufacturing processes, and/or in the reduction of the manufacturing costs.

Abstract translation: 公开了一种制造可用于根据该方法制造的电子照相图像形成装置和充电辊中的充电辊的方法。 该方法包括将导电剂和橡胶基材料与聚烯烃类树脂的混合物引入挤出机中，挤出导电剂和混合物以获得挤出物，通过电子束照射使挤出物交联，并研磨交联的挤出物 。 该方法导致环境友好和简化的制造过程和/或降低制造成本。

公开(公告)号：US07835253B2

公开(公告)日：2010-11-16

申请号：US12235832

申请日：2008-09-23

Applicant: Seok-jung Kim ,  Yong-hoon Lee ,  Sun-mo Kim

Inventor： Seok-jung Kim ,  Yong-hoon Lee ,  Sun-mo Kim

IPC: G11B7/00

CPC classification number: G11B7/1374 ,  G11B7/0933 ,  G11B7/0935 ,  G11B2007/0006

Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed. When a working distance of the first objective lens for the low density optical disc installed in the first installation hole is represented as WD1, and a working distance of the second objective lens for the high density optical disc installed in the second installation hole is represented as WD2, the first and second installation holes are provided so that the first and second objective lenses are installed to satisfy the Equation: WD1≧WD2, a separation distance between the optical disc and the second objective lens=WD2+α where, α=|WD1−WD2|×(0.1˜1.0). The second installation hole is located in a more outer circumference of the optical disc than the first installation hole.

Abstract translation: 与光学拾取器一起使用的致动器包括：固定有保持器的基座; 其中形成多个安装孔的透镜保持器，使得用于记录和/或再现具有不同记录密度的光盘的多个物镜安装在不同的高度; 支撑构件，其可移动地支撑透镜保持器，其一端联接到透镜保持器，另一端联接到保持器; 以及在聚焦和跟踪方向上驱动透镜架的磁路。 多个安装孔包括：第一安装孔，其中安装有用于至少一种类型的低密度光盘的第一物镜;以及第二安装孔，其中用于高密度光盘的第二物镜低于低密度 安装光盘。 当安装在第一安装孔中的低密度光盘的第一物镜的工作距离表示为WD1时，将安装在第二安装孔中的高密度光盘的第二物镜的工作距离表示为 WD2，第一和第二安装孔被设置成使得第一和第二物镜被安装以满足等式：WD1≥DW2，光盘和第二物镜之间的间隔距离= WD2 +α，其中α= | WD1-WD2 |×（0.1〜1.0）。 第二安装孔位于光盘的比第一安装孔更外侧的圆周上。

公开(公告)号：US20100261480A1

公开(公告)日：2010-10-14

申请号：US12682179

申请日：2008-02-04

Applicant: Dong Ho Cho ,  Hee Jung Yu ,  Young Seok Oh ,  Ho Won Lee ,  Woong Sup Lee ,  Yong Hoon Lee

Inventor： Dong Ho Cho ,  Hee Jung Yu ,  Young Seok Oh ,  Ho Won Lee ,  Woong Sup Lee ,  Yong Hoon Lee

IPC: H04W40/00

CPC classification number: H04B7/2606 ,  H04W4/06 ,  H04W88/04

Abstract: A method of performing relay communication in a next generation cellular communication system is disclosed. The next generation cellular communication system includes a base station and a plurality of terminals, and a communication target terminal which has not acquired a Line-Of-Sight (LOS) channel with the base station performs communication through the relay of a relaying terminal which has acquired a LOS channel. The base station determines the relaying terminal. The relaying terminal forms a relaying terminal group by determining one or more relaying assistant terminals. The communication target terminal forms a transmitting/receiving terminal group by determining one or more transmitting/receiving assistant terminals. The base station performs communication with the relaying terminal through the relaying terminal, relaying assistant terminals of the relaying terminal group and the transmitting/receiving assistant terminals of the transmitting/receiving terminal group.

Abstract translation: 公开了一种在下一代蜂窝通信系统中执行中继通信的方法。 下一代蜂窝通信系统包括基站和多个终端，并且未与基站获取行视距（LOS）信道的通信对象终端通过中继终端的中继进行通信，该中继终端具有 获得了LOS频道。 基站确定中继终端。 中继终端通过确定一个或多个中继辅助终端来形成中继终端组。 通信目标终端通过确定一个或多个发送/接收辅助终端来形成发送/接收终端组。 基站通过中继终端，中继终端组的辅助终端和发送/接收终端组的发送/接收辅助终端与中继终端进行通信。

公开(公告)号：US20100165914A1

公开(公告)日：2010-07-01

申请号：US12304236

申请日：2008-04-16

Applicant: Dong-Ho Cho ,  Woong-Sup Lee ,  O-Hyun Jo ,  Ho-Won Lee ,  Hee-Jung Yu ,  Young-Seok Oh ,  Yong-Hoon Lee

Inventor： Dong-Ho Cho ,  Woong-Sup Lee ,  O-Hyun Jo ,  Ho-Won Lee ,  Hee-Jung Yu ,  Young-Seok Oh ,  Yong-Hoon Lee

IPC: H04W40/00

CPC classification number: H04B7/0695 ,  H04B7/0697 ,  H04B7/088 ,  H04W64/006

Abstract: The present invention is related to a beam division multiple access system and a method thereof. The base station according to the present invention comprises a initial mobile station information receiver for receiving initial mobile station information that a mobile station omnidirectionally transmits in an initial communication step, a mobile station location and speed detector for detecting a location and a moving speed of the mobile station from the initial mobile station information, a downlink beam generator for generating a downlink beam based on the location and the moving speed of the mobile station transferred from the mobile station location and speed detector, and adjusting at least one of a width and a direction of each the downlink beam, and a downlink beam transmitter for transmitting the downlink beam generated by the downlink beam generator to the mobile station through a phase array antenna.

Abstract translation: 本发明涉及一种波分多址系统及其方法。 根据本发明的基站包括初始移动站信息接收器，用于接收移动台在初始通信步骤中全方位发送的初始移动站信息，用于检测位置的移动站位置和速度检测器， 移动站从初始移动站信息，基于从移动站位置和速度检测器传送的移动站的位置和移动速度生成下行链路波束的下行链路波束发生器，并且调整宽度和 每个下行链路波束的方向;以及下行链路波束发射机，用于通过相位阵列天线将由下行链路波束发生器生成的下行链路波束发送到移动台。

公开(公告)号：US07710627B2

公开(公告)日：2010-05-04

申请号：US12055360

申请日：2008-03-26

Applicant: Jin-wook Yoon ,  Yong-hoon Lee

Inventor： Jin-wook Yoon ,  Yong-hoon Lee

IPC: G02B26/08

CPC classification number: G02B26/085

Abstract: A microactuator including a base frame; and a moving plate having both ends supported by a plurality of elastic support portions inside the base frame, the moving plate having a first side on which a reflective mirror for changing a light path is disposed. At least one first rib is disposed along an edge of a second side of the moving plate, which is the reverse side of the first side of the moving plate, and a second rib is disposed in the center of the second side of the moving plate and correspondingly encloses a permanent magnet. Also, a portion of the second side of the moving plate, except for the first and second ribs, is removed to a predetermined depth to reduce the weight of the entire moving plate and to define the first and second ribs.

Abstract translation: 一种微型致动器，包括一个基架; 以及移动板，其两端由基架内的多个弹性支撑部支撑，所述移动板具有设置有用于改变光路的反射镜的第一侧。 至少一个第一肋沿着移动板的第二侧的边缘设置，移动板的第二侧是移动板的第一侧的相反侧，第二肋设置在移动板的第二侧的中心 并相应地包围永磁体。 此外，除了第一和第二肋之外，移动板的第二侧的一部分被移除到预定深度以减小整个移动板的重量并限定第一和第二肋。

公开(公告)号：US20090310548A1

公开(公告)日：2009-12-17

申请号：US12428833

申请日：2009-04-23

Applicant: Tae Soo KWON ,  Hee Jung YU ,  Kyung Hun JANG ,  Young Chul SUNG ,  Hyo Sun HWANG ,  Yong Hoon LEE ,  Young Seok OH

Inventor： Tae Soo KWON ,  Hee Jung YU ,  Kyung Hun JANG ,  Young Chul SUNG ,  Hyo Sun HWANG ,  Yong Hoon LEE ,  Young Seok OH

IPC: H04W74/00

CPC classification number: H04W4/20

Abstract: An apparatus and a method of performing radio communication are provided. The radio communication apparatus may determine a channel capacity of a radio channel based on a sensing duration to sense the radio channel and a false alarm probability, determine a sensing duration value and a false alarm probability value that maximize the channel capacity, and sense the radio channel based on the determined sensing duration value and the false alarm probability value.

Abstract translation: 提供了一种执行无线电通信的装置和方法。 无线电通信装置可以基于感测持续时间来确定无线电信道的信道容量以感测无线电信道和假警报概率，确定感测持续时间值和使信道容量最大化的假警报概率值，并且感测无线电 基于所确定的感测持续时间值和假警报概率值的信道。

公开(公告)号：US07458086B2

公开(公告)日：2008-11-25

申请号：US11056401

申请日：2005-02-14

Applicant: Seok-Jung Kim ,  Yong-hoon Lee ,  Sun-mo Kim

Inventor： Seok-Jung Kim ,  Yong-hoon Lee ,  Sun-mo Kim

IPC: G11B7/085

CPC classification number: G11B7/1374 ,  G11B7/0933 ,  G11B7/0935 ,  G11B2007/0006

Abstract: An actuator used with an optical pickup includes: a base on which a holder is fixed; a lens holder in which a plurality of installation holes are formed such that a plurality of objective lenses to record and/or reproduce optical discs having different recording densities are installed at different heights; a support member, which movably supports the lens holder, having one end coupled to the lens holder and the other end coupled to the holder; and a magnetic circuit which drives the lens holder in focusing and tracking directions. The plurality of installation holes include a first installation hole in which a first objective lens for at least one type of low density optical disc is installed, and a second installation hole in which a second objective lens for a higher density optical disc than the low density optical disc is installed. When a working distance of the first objective lens for the low density optical disc installed in the first installation hole is represented as WD1, and a working distance of the second objective lens for the high density optical disc installed in the second installation hole is represented as WD2, the first and second installation holes are provided so that the first and second objective lenses are installed to satisfy the Equation: WD1>WD2, a separation distance between the optical disc and the second objective lens=WD2+α, where, α=IWD1−WD2|×(0.1-1.0). The second installation hole is located in a more outer circumference of the optical disc than the first installation hole.

Abstract translation: 与光学拾取器一起使用的致动器包括：保持器固定在其上的基座; 其中形成多个安装孔的透镜保持器，使得用于记录和/或再现具有不同记录密度的光盘的多个物镜安装在不同的高度; 支撑构件，其可移动地支撑透镜保持器，其一端联接到透镜保持器，另一端联接到保持器; 以及在聚焦和跟踪方向上驱动透镜架的磁路。 多个安装孔包括：第一安装孔，其中安装有用于至少一种类型的低密度光盘的第一物镜;以及第二安装孔，其中用于高密度光盘的第二物镜低于低密度 安装光盘。 当安装在第一安装孔中的用于低密度光盘的第一物镜的工作距离表示为WD 1时，并且表示安装在第二安装孔中的用于高密度光盘的第二物镜的工作距离 作为WD2，设置第一和第二安装孔，使得安装第一和第二物镜以满足等式：WD 1> WD 2，光盘和第二物镜之间的间隔距离= WD2 + alpha ，其中α= IWD 1 -WD 2 | x（0.1-1.0）。 第二安装孔位于光盘的比第一安装孔更外侧的圆周上。

公开(公告)号：US07453947B2

公开(公告)日：2008-11-18

申请号：US10737398

申请日：2003-12-16

Applicant: Young-Doo Kim ,  Inhyoung Kim ,  Heejung Yu ,  Jihoon Choi ,  Taehyun Jeon ,  Jae-Young Ahn ,  Yong-Hoon Lee

Inventor： Young-Doo Kim ,  Inhyoung Kim ,  Heejung Yu ,  Jihoon Choi ,  Taehyun Jeon ,  Jae-Young Ahn ,  Yong-Hoon Lee

IPC: H04B7/02

CPC classification number: H04B7/0891 ,  H04B7/0417 ,  H04B7/0626 ,  H04B7/0697 ,  H04L1/0003 ,  H04L1/0656 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0046 ,  H04L5/006 ,  H04W52/42

Abstract: An apparatus for adaptively modulating/demodulating signals in a multi-input multi-output (MIMO) system having a layered time-space architecture detector and a method thereof is disclosed. The apparatus includes: a bit and power allocation information calculator for deciding an equivalent channel gain in a reverse order of Vertical-Bell laboratories Space Time (V-BLAST) based on MIMO channel information feedbacked from a receiver and determining the number of bits and transmission power to be transmitted to each transmitting antenna by using the equivalent channel gain; and adaptive modulation means for modulating signal of each layer with corresponding modulation method based on the determined number of bits and transmitting power, controlling the transmitting power and transmitting the adaptively modulated signal through each transmitting antenna. The present invention can improve performance without increase of implementation complexity and easily expand to MIMO-OFDM system by adaptively modulating and demodulating signals in reverse order of conventional V-BLAST detection method.

Abstract translation: 公开了一种用于在具有分层时空架构检测器及其方法的多输入多输出（MIMO）系统中自适应地调制/解调信号的装置。 该装置包括：位和功率分配信息计算器，用于基于从接收机反馈的MIMO信道信息来确定垂直 - 贝尔实验室空时（V-BLAST）的相反顺序的等效信道增益，并确定比特数和传输次数 通过使用等效信道增益发送到每个发射天线的功率; 以及自适应调制装置，用于根据所确定的比特数和发送功率，通过相应的调制方法对每一层的信号进行调制，控制发送功率，并通过每个发送天线发送自适应调制信号。 本发明可以通过以常规V-BLAST检测方法的相反顺序自适应调制和解调信号，而不增加实现复杂度并且容易地扩展到MIMO-OFDM系统。

公开(公告)号：US07451464B2

公开(公告)日：2008-11-11

申请号：US11320320

申请日：2005-12-29

Applicant: Hong-kyun Yim ,  Yong-hoon Lee ,  Jae-yong Eum ,  Jeung-rak Lee

Inventor： Hong-kyun Yim ,  Yong-hoon Lee ,  Jae-yong Eum ,  Jeung-rak Lee

IPC: G11B17/03

CPC classification number: G11B17/056 ,  G11B17/0288 ,  G11B33/08

Abstract: A disk player has a tray capable of moving in and out of a player body. A driving unit moves the tray. A lift unit selectively engages or disengages the driving unit and raises a turntable receiving a disk loaded by the tray thereon. A spindle motor rotates the turntable. A damping unit reduces loads and impacts during movement of the lift unit.

Abstract translation: 盘播放器具有能够进出玩者身体的托盘。 驱动单元移动托盘。 提升单元选择性地接合或分离驱动单元并且提升接收由托盘在其上装载的盘的转盘。 主轴电机旋转转台。 减震单元在升降单元运动期间减少负载和冲击。

公开(公告)号：US20080240268A1

公开(公告)日：2008-10-02

申请号：US11850545

申请日：2007-09-05

Applicant: Tak-Ki Yu ,  Myeon-Kyun Cho ,  Dong-Ho Kim ,  Jae-Yeun Yun ,  Yong-Hoon Lee ,  Sae-Young Chung ,  Young-Seok Oh

Inventor： Tak-Ki Yu ,  Myeon-Kyun Cho ,  Dong-Ho Kim ,  Jae-Yeun Yun ,  Yong-Hoon Lee ,  Sae-Young Chung ,  Young-Seok Oh

IPC: H04L27/28

CPC classification number: H04L27/2626 ,  H04L1/0056 ,  H04L25/03343 ,  H04L27/2647

Abstract: Disclosed is a data transmission/reception method and system for minimizing intercarrier interference (ICI) in a communication system using a multicarrier. The data transmission method by a transmitter includes grouping transmission signals in units of a predetermined number of transmission signals when the transmitter has received the transmission signals, multiplying each group of the transmission signals by a transmission coding matrix, and transmitting the transmission signals multiplied by the transmission coding matrix to a receiver.

Abstract translation: 公开了一种用于最小化使用多载波的通信系统中的载波间干扰（ICI）的数据发送/接收方法和系统。 发射机的数据传输方法包括：当发射机已经接收到传输信号时，以预定数量的传输信号为单位对传输信号进行分组，将每组传输信号乘以传输编码矩阵，并将传输信号乘以 传输编码矩阵到接收机。