公开(公告)号：US08014643B2

公开(公告)日：2011-09-06

申请号：US12391075

申请日：2009-02-23

Applicant: Beom-Hoan O ,  Dong-Jin Lee

Inventor： Beom-Hoan O ,  Dong-Jin Lee

IPC: G02B6/26

CPC classification number: G02B6/1225 ,  B82Y20/00

Abstract: Disclosed herein is a photonic crystal waveguide inlet structure for improving coupling efficiency of a strip waveguide and a photonic crystal waveguide. The photonic crystal waveguide inlet structure includes an inlet region of the photonic crystal waveguide. The photonic crystal waveguide includes photonic crystals in which air holes are arranged in a triangle lattice shape in a dielectric, and a hybrid waveguide in which at least one of the air holes is removed, the hybrid waveguide spacing the inlet region apart from the strip waveguide.

Abstract translation: 本文公开了一种用于提高条形波导和光子晶体波导的耦合效率的光子晶体波导入口结构。 光子晶体波导入口结构包括光子晶体波导的入口区域。 光子晶体波导包括其中空气孔在电介质中以三角形格子形状布置的光子晶体和其中至少一个空气孔被去除的混合波导，该混合波导将入口区域与带状波导分开 。

公开(公告)号：US20110141841A1

公开(公告)日：2011-06-16

申请号：US13031345

申请日：2011-02-21

Applicant: Dong-Jin LEE ,  Kye-Hyun KYUNG ,  Chang-Sik YOO

Inventor： Dong-Jin LEE ,  Kye-Hyun KYUNG ,  Chang-Sik YOO

IPC: G11C8/18

CPC classification number: G11C7/1051 ,  G11C7/1012 ,  G11C7/1057 ,  G11C7/1078 ,  G11C7/109 ,  G11C7/22 ,  G11C7/222 ,  G11C7/225 ,  G11C2207/105

Abstract: A synchronous semiconductor memory device having an on-die termination (ODT) circuit, and an ODT method, satisfy ODT DC and AC parameter specifications and perform an adaptive impedance matching through an external or internal control, by executing an ODT operation synchronized to an external clock. The synchronous semiconductor memory device having a data output circuit for performing a data output operation synchronously to the external clock includes the ODT circuit for generating ODT up and down signals having the same timing as data output up and down signals for the data output operation, to perform the ODT operation.

Abstract translation: 具有片上终端（ODT）电路和ODT方法的同步半导体存储器件通过执行与外部同步的ODT操作，满足ODT DC和AC参数规格并通过外部或内部控制执行自适应阻抗匹配 时钟。 具有用于与外部时钟同步地进行数据输出操作的数据输出电路的同步半导体存储器件包括ODT电路，用于产生具有与用于数据输出操作的数据输出上下信号相同的定时的ODT上下信号， 执行ODT操作。

公开(公告)号：US07868648B2

公开(公告)日：2011-01-11

申请号：US12071848

申请日：2008-02-27

Applicant: Dong-jin Lee ,  Jin-hyung Cho

Inventor： Dong-jin Lee ,  Jin-hyung Cho

IPC: H03K17/16 ,  H03K19/003

CPC classification number: G11C7/22 ,  G11C7/1048 ,  G11C7/1078 ,  G11C7/109 ,  G11C7/222 ,  H03K19/0005

Abstract: An on-die termination (ODT) circuit may include an ODT synchronous buffer and/or an ODT gate. The ODT synchronous buffer may be configured to generate a synchronous ODT command from an external ODT command in synchronization with a first clock signal delay-locked to an external clock signal. The ODT gate may be configured to generate signals for controlling ODT based on a second clock signal delay-locked to the external clock signal and the synchronous ODT command. The synchronous ODT command may be generated in a disabled period of the second clock signal.

Abstract translation: 片上终端（ODT）电路可以包括ODT同步缓冲器和/或ODT门。 ODT同步缓冲器可以被配置为与延迟锁定到外部时钟信号的第一时钟信号同步地从外部ODT命令生成同步ODT命令。 ODT门可以被配置为基于延迟锁定到外部时钟信号和同步ODT命令的第二时钟信号来产生用于控制ODT的信号。 可以在第二时钟信号的禁用时段中生成同步ODT命令。

公开(公告)号：US07560968B2

公开(公告)日：2009-07-14

申请号：US11609660

申请日：2006-12-12

Applicant: Dong-Jin Lee

Inventor： Dong-Jin Lee

IPC: H03H11/26

CPC classification number: H03K17/0822 ,  G11C7/1051 ,  G11C7/1069 ,  G11C11/4093 ,  G11C29/025 ,  G11C29/12 ,  G11C29/1201 ,  H03K17/6872 ,  H03K19/018528

Abstract: An output driver capable of controlling a short circuit current includes a driving unit and a driving control unit. The driving unit receives a first driving signal and a second driving signal in response to a control signal and generates an output signal. The driving unit control unit includes a driving unit copying unit having the same construction as the driving unit and compares an output copying signal generated from the first and second driving signals by the driving unit copying unit with a reference voltage and generates the control signal that controls delays of the first and second driving signals in a test mode.

Abstract translation: 能够控制短路电流的输出驱动器包括驱动单元和驱动控制单元。 驱动单元响应于控制信号接收第一驱动信号和第二驱动信号，并产生输出信号。 驱动单元控制单元包括具有与驱动单元相同结构的驱动单元复制单元，并将由驱动单元复制单元产生的第一和第二驱动信号的输出复制信号与参考电压进行比较，并产生控制信号 在测试模式下第一和第二驱动信号的延迟。

公开(公告)号：US07440340B2

公开(公告)日：2008-10-21

申请号：US11252535

申请日：2005-10-18

Applicant: Sang-Joon Hwang ,  Dong-Jin Lee ,  Jung-Bae Lee

Inventor： Sang-Joon Hwang ,  Dong-Jin Lee ,  Jung-Bae Lee

IPC: G11C5/14

CPC classification number: G11C7/1051 ,  G11C5/147 ,  G11C7/1048 ,  G11C7/1057

Abstract: A data output buffer includes an output terminal, a buffer and a pull-down driver. The output terminal is coupled to a first end of a transmission line, the transmission line being coupled to a pull-up termination resistor at a second end. The buffer pulls up the output terminal to a first power supply voltage and pulls down the output terminal to a second power supply voltage based on an output data signal. The pull-down driver pre-emphasizes an initial stage of a pull-down driving operation of the output terminal based on the output data.

Abstract translation: 数据输出缓冲器包括输出端子，缓冲器和下拉驱动器。 输出端耦合到传输线的第一端，传输线在第二端耦合到上拉终端电阻。 缓冲器将输出端上拉至第一电源电压，并根据输出数据信号将输出端拉低至第二电源电压。 下拉驱动器基于输出数据预先强调输出端子的下拉驱动操作的初始阶段。

公开(公告)号：US20080174558A1

公开(公告)日：2008-07-24

申请号：US11739810

申请日：2007-04-25

Applicant: Dong-jin LEE

Inventor： Dong-jin LEE

IPC: G06F3/02

CPC classification number: G06F1/1686 ,  G06F1/1626 ,  G06F1/1662 ,  G06F1/169

Abstract: A portable information processing apparatus including a main body which includes a display opening and a front panel surface surrounding the display opening, a display to display an image through the display opening, and a key button input unit including one or more horizontal key groups including a plurality of key buttons arranged in an outwardly direction from the display opening in a portion of the front panel surface; and a reference line to connect and extend across top end portions of referenced key buttons in the one or more horizontal key groups extending in the outwardly direction from the display opening, wherein at least a portion of the reference line forms an angle with respect to a plane including a viewing surface of the display unit.

Abstract translation: 一种便携式信息处理设备，包括：主体，其包括显示开口和围绕显示开口的前面板表面;显示器，用于通过显示开口显示图像;以及键按钮输入单元，其包括一个或多个水平键组，包括 多个键按钮，其在所述前面板表面的一部分中从所述显示开口向外方向布置; 以及参考线，用于连接并延伸在从所述显示开口向外延伸的所述一个或多个水平键组中的参考键按钮的顶端部分上，其中所述参考线的至少一部分相对于 平面，包括显示单元的观察表面。

公开(公告)号：US07385895B2

公开(公告)日：2008-06-10

申请号：US10859471

申请日：2004-06-03

Applicant: Yong-seock Yoon ,  Byoung-ho Choi ,  Soo-yul Jung ,  Joong-Eon Seo ,  Dong-jin Lee

Inventor： Yong-seock Yoon ,  Byoung-ho Choi ,  Soo-yul Jung ,  Joong-Eon Seo ,  Dong-jin Lee

IPC: G11B27/36 ,  G11B7/00

CPC classification number: G11B19/12

Abstract: A method of discriminating an optical disc type and an apparatus thereof. The method for an optical disc system of recording and/or reproducing an optical disc that includes an optical pickup having a laser diode, an object lens, and a light receiving device, checks a track error signal while moving the object lens to upward/downward, and discriminates an optical disc type by using the magnitude of the checked track error signal. The method and apparatus discriminate the disc type in the initial stage of focusing where the object lens moves to upward/downward.

Abstract translation: 鉴别光盘类型的方法及其装置。 用于记录和/或再现光盘的光盘系统的方法包括具有激光二极管，物镜和光接收装置的光学拾取器，在将物镜向上/向下移动的同时检查轨道误差信号 并且通过使用所检查的轨道误差信号的幅度来鉴别光盘类型。 该方法和装置在物镜向上/向下移动的聚焦的初始阶段中区分光盘类型。

公开(公告)号：US20080043004A1

公开(公告)日：2008-02-21

申请号：US11819448

申请日：2007-06-27

Applicant: Dong Jin Lee

Inventor： Dong Jin Lee

IPC: G09G5/10

CPC classification number: G09G3/3622 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2340/0435 ,  G09G2340/16 ,  G09G2360/18

Abstract: An LCD device and a method of driving the same are disclosed, to improve a picture quality by realizing a rapid response speed, wherein the LCD device comprises an image display part which includes liquid crystal cells formed in respective regions defined by a plurality of gate and data lines; a timing controller which modulates data inputted according to a first frame frequency to modulation data to realize a rapid response speed of liquid crystal, and outputs the modulation data or data to a second frame frequency; a gate driver which generates gate on voltages under control of the timing controller, and supplies the gate on voltages to the gate lines in sequence; and a data driver which converts the modulation data or data supplied from the timing controller to a data voltage, and supplies the data voltage to the data line in synchronization with the gate on voltage.

Abstract translation: 公开了一种LCD装置及其驱动方法，通过实现快速响应速度来提高图像质量，其中，LCD装置包括图像显示部分，该图像显示部分包括形成在由多个栅极限定的各个区域中的液晶单元，以及 数据线 定时控制器，其将根据第一帧频率输入的数据调制成调制数据以实现液晶的快速响应速度，并将调制数据或数据输出到第二帧频; 栅极驱动器，其在定时控制器的控制下产生栅极导通电压，并且将栅极依次提供给栅极线; 以及数据驱动器，其将从定时控制器提供的调制数据或数据转换为数据电压，并且将数据电压与栅极导通电压同步地提供给数据线。

公开(公告)号：US20070229556A1

公开(公告)日：2007-10-04

申请号：US11606229

申请日：2006-11-30

Applicant: Dong Sub Kim ,  Dong Woo Kim ,  Soon Jin Kim ,  Dong Jin Lee

Inventor： Dong Sub Kim ,  Dong Woo Kim ,  Soon Jin Kim ,  Dong Jin Lee

IPC: G09G5/02

CPC classification number: G06F3/0489 ,  G06F2203/04806

Abstract: An apparatus and method for a portable terminal that adjust sizes of user data displayed on a screen are provided. Requested user data is displayed on a screen of the portable terminal in response to a request from a user. If a key is input, a determination is made as to whether an enlargement/reduction mode is set. If the enlargement/reduction mode is set, a key event associated with the input key is identified. If the key event is a request for enlargement, the displayed user data is enlarged by a preset enlargement ratio and the enlarged user data is displayed on the screen. If the key event is a request for reduction, the displayed user data is reduced by a preset reduction ratio and the reduced user data is displayed on the screen.

Abstract translation: 提供了一种用于调整显示在屏幕上的用户数据的大小的便携式终端的装置和方法。 响应于来自用户的请求，请求的用户数据显示在便携式终端的屏幕上。 如果输入了键，则确定放大/缩小模式是否被设定。 如果设置放大/缩小模式，则识别与输入键相关联的键事件。 如果键事件是放大请求，则以预设的放大率放大所显示的用户数据，并且在屏幕上显示放大的用户数据。 如果关键事件是减少请求，则显示的用户数据被减少预设的缩小比例，并且减少的用户数据被显示在屏幕上。

公开(公告)号：US06906986B2

公开(公告)日：2005-06-14

申请号：US10230373

申请日：2002-08-29

Applicant: Moon-noh Lee ,  Won Kim ,  Sung-ro Go ,  Dong-jin Lee ,  Hyun-seok Yang ,  Hong-gul Jun

Inventor： Moon-noh Lee ,  Won Kim ,  Sung-ro Go ,  Dong-jin Lee ,  Hyun-seok Yang ,  Hong-gul Jun

IPC: G11B7/09 ,  G01H1/00 ,  G11B7/00 ,  G11B7/095 ,  G11B19/02 ,  G11B20/18

CPC classification number: G11B7/0946 ,  G11B7/094 ,  G11B7/0941 ,  G11B7/0948 ,  G11B7/0953

Abstract: A vibration quantity measuring apparatus and method, and a loop design method in which a vibration quantity generated in a focus and tracking loop is accurately measured to optimally design a focus and tracking loop of an optical disc drive. The vibration quantity measuring apparatus includes an error gain adjusting unit which adjusts an amplitude of a focus and tracking error which occurs where a disc rotates, so as to maintain the amplitude of the focus and tracking error constant, a loop gain adjusting unit which compares a closed loop phase of a focus and tracking loop and a predetermined reference closed loop phase, and maintains a constant gain of the focus and tracking loop to compensate for a gain difference of an actuator, and a measuring unit which calculates and outputs a vibration quantity using an error adjusted by the error gain adjusting unit and the loop gain adjusting unit, and an output of a controller which controls a focus and tracking of the disc. According to the methods and apparatus, a focus and tracking vibration quantity that occur differently depending on the type of a disc, on which data is recorded on or read from, or depending on a speed factor of a disc drive, can be measured.

Abstract translation: 振动量测量装置和方法以及循环设计方法，其中精确地测量在聚焦和跟踪环路中产生的振动量，以最佳地设计光盘驱动器的聚焦和跟踪环路。 振动量测量装置包括：误差增益调整单元，其调整盘旋转时发生的聚焦和跟踪误差的幅度，以保持聚焦和跟踪误差的幅度恒定;环路增益调整单元， 聚焦跟踪环和预定的参考闭环相位的闭环相位，并且保持焦距和跟踪环路的恒定增益以补偿致动器的增益差;以及测量单元，其计算并输出使用 由误差增益调整单元和环路增益调整单元调整的误差以及控制盘的聚焦和跟踪的控制器的输出。 根据方法和装置，可以测量根据盘的类型而不同地产生的聚焦和跟踪振动量，其中数据被记录在其上或从其读取或取决于盘驱动器的速度因子。