公开(公告)号：US20100321108A1

公开(公告)日：2010-12-23

申请号：US12819554

申请日：2010-06-21

Applicant: Jong-Hyun LEE ,  Dong-Geun LEE

Inventor： Jong-Hyun LEE ,  Dong-Geun LEE

IPC: H03G3/30

CPC classification number: H03G3/3042

Abstract: An apparatus and method for controlling a high power amplifier in a communication system are provided. The apparatus includes a Radio Frequency (RF) power detection unit for detecting an intensity of an RF input signal, a high power amplifier controller for determining a control signal, which indicates a voltage value of a drain bias to be provided to at least one drain node from among drain nodes of a drive amplifier and a main amplifier included in the high power amplifier, according to the detected intensity, a Direct Current (DC) voltage supplying unit for generating a DC voltage corresponding to the determined control signal, a drain bias connection unit for providing the generated DC voltage to said at least one drain node from among the drain nodes of the drive amplifier and the main amplifier, and the drive amplifier and the main amplifier for amplifying the RF input signal according to the provided DC voltage.

Abstract translation: 提供了一种用于控制通信系统中的高功率放大器的装置和方法。 该装置包括用于检测RF输入信号的强度的射频（RF）功率检测单元，用于确定控制信号的高功率放大器控制器，其指示要提供给至少一个漏极的漏极偏置的电压值 根据检测到的强度，包括在大功率放大器中的驱动放大器和主放大器的漏极节点之间的节点;用于产生对应于所确定的控制信号的DC电压的直流（DC）电压提供单元，漏极偏置 连接单元，用于从驱动放大器和主放大器的漏极节点中的所述至少一个漏极节点提供所产生的直流电压，以及用于根据所提供的DC电压放大RF输入信号的驱动放大器和主放大器。

公开(公告)号：US20120195142A1

公开(公告)日：2012-08-02

申请号：US13198306

申请日：2011-08-04

Applicant: Dong-Geun LEE ,  Chang-Ho DO

Inventor： Dong-Geun LEE ,  Chang-Ho DO

IPC: G11C7/00

CPC classification number: G11C8/08

Abstract: A semiconductor memory device includes a main word line signal generator configured to generate a main word line signal having a first swing width, a sub-word line signal generator configured to generate a first sub-word line signal and a second sub-word line signal having a second swing width and a third swing width, respectively, a first sub-word line driver configured to drive a corresponding sub-word line with the first sub-word line signal or a negative word line voltage in response to the main word line signal, and a second sub-word line driver configured to drive the corresponding sub-word line with the negative word line voltage in response to the second sub-word line signal.

Abstract translation: 一种半导体存储器件，包括：主字信号发生器，被配置为产生具有第一摆幅宽度的主字线信号;子字线信号发生器，被配置为产生第一子字线信号和第二子字线信号 分别具有第二摆动宽度和第三摆动宽度，第一子字线驱动器，被配置为响应于主字线而与第一子字线信号或负字线电压驱动对应的子字线 信号，以及第二子字线驱动器，被配置为响应于第二子字线信号以负字线电压驱动对应的子字线。

公开(公告)号：US20090190122A1

公开(公告)日：2009-07-30

申请号：US12326164

申请日：2008-12-02

Applicant: Dong-Geun LEE ,  Kwang-Seung Lee

Inventor： Dong-Geun LEE ,  Kwang-Seung Lee

IPC: G01N1/36

CPC classification number: H01J49/0445

Abstract: An aerodynamic lens, comprises a cylindrical body having an inlet and an outlet; and a convergence-divergence lens portion inside the cylindrical body, having a lens hole formed at the center of the convergence-divergence lens portion, through which a carrier gas and particles pass, a convergence slant surface at a convergence angle (α) with a central axis of the aerodynamic lens at the front of the lens hole, and a divergence slant surface at a divergence angle (β) with the central axis of the aerodynamic lens at the rear of the lens hole.

Abstract translation: 空气动力学透镜包括具有入口和出口的圆柱体; 和会聚发散透镜部分，其具有形成在会聚发散透镜部分的中心处的透镜孔，载气和颗粒通过该透镜孔，会聚倾斜表面以会聚角（α）与 在透镜孔前方的空气动力学透镜的中心轴线和与透镜孔后部的空气动力学透镜的中心轴线成一个发散角（β）的发散倾斜表面。

公开(公告)号：US20110186167A1

公开(公告)日：2011-08-04

申请号：US12696726

申请日：2010-01-29

Applicant: Dong-Geun LEE ,  Kwang-Seung Lee

Inventor： Dong-Geun LEE ,  Kwang-Seung Lee

IPC: F24H9/12

CPC classification number: F24H9/12 ,  G01N15/00 ,  H01J49/04

Abstract: An aerodynamic lens includes a cylindrical hollow body having an inlet and an outlet, and first and second focusing parts formed in the body. The first focusing part includes a plurality of orifice lenses of which inner diameters (df) are gradually decreased in an advancing direction of particle. The second focusing part includes a plurality of orifice lenses of which inner diameters (df) are gradually increased in the advancing direction of particle.

Abstract translation: 空气动力学透镜包括具有入口和出口的圆柱形空心体，以及形成在体内的第一和第二聚焦部分。 第一聚焦部分包括多个孔径透镜，其内径（df）在颗粒的前进方向上逐渐减小。 第二聚焦部分包括多个孔径透镜，其内径（df）在颗粒的前进方向上逐渐增加。