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    • 6. 发明授权
    • Orthogonal frequency division multiplexing (OFDM) receiving device for forming beam with uneven width by channel property, communication device using the same, and method thereof
    • 用于通过信道特性形成具有不均匀宽度的波束的正交频分复用(OFDM)接收装置,使用该波束的通信装置及其方法
    • US07327797B2
    • 2008-02-05
    • US09985123
    • 2001-11-01
    • Bong-Wee YuHyun-Cheol ParkDong-Kyu KimJun-Hyun ParkJu-Yon KimHak-Lim Ko
    • Bong-Wee YuHyun-Cheol ParkDong-Kyu KimJun-Hyun ParkJu-Yon KimHak-Lim Ko
    • H04B7/02H04L1/02
    • H04B7/086H04B7/0408H04B7/0617
    • An OFDM receiving device for adjusting a beam formation azimuth through a plurality of antennas, a communication device using the same, and a method thereof. The OFDM communication device having a plurality of individually-aligned antennas includes a receiving signal generating unit for decoding and restoring OFDM signals from the plurality of antennas, a beam coefficient calculating unit for calculating channel property information inclusive of a signal to noise rate, from the signal received from the receiving signal generating unit, and calculating a beam coefficient of an antenna, for forming a beam in a configuration that optimizes reception sensitivity, from the channel property information, a receiving beam processing unit for outputting the signals from the antennas to the receiving signal generating unit, and controlling the corresponding antenna to form a beam in a configuration corresponding to the beam coefficient received from the beam coefficient calculating unit, a transmitting signal generating unit for modulating a transmission-intended signal into a transmitting signal, and a transmission beam processing unit for controlling the antenna according to the beam coefficient from the beam coefficient calculating unit in order to transmit the transmitting signal through the antenna.
    • 一种用于通过多个天线调整波束形成方位的OFDM接收装置,使用该OFDM接收装置的通信装置及其方法。 具有多个单独排列的天线的OFDM通信装置包括用于对来自多个天线的OFDM信号进行解码和恢复的接收信号生成单元,用于计算来自所述多个天线的信道噪声率的信道特性信息的波束系数计算单元, 从所述接收信号生成单元接收到的信号,并且从所述信道属性信息计算用于形成优化接收灵敏度的配置的波束的天线的波束系数;接收波束处理单元,用于从所述天线输出信号 接收信号产生单元,并且控制对应的天线以形成与从波束系数计算单元接收到的波束系数相对应的配置的波束;发送信号生成单元,用于将发送预期信号调制为发送信号;以及发送 光束处理单元进行控制 根据来自波束系数计算单元的波束系数来引导天线,以便通过天线发射发射信号。
    • 7. 发明授权
    • Tray feeding apparatus of an optical disc player having a guide unit for
stably feeding a disc tray
    • 具有用于稳定地供给盘托盘的引导单元的光盘播放器的托盘馈送装置
    • US5682371A
    • 1997-10-28
    • US567475
    • 1995-12-05
    • Jun-Hyun Park
    • Jun-Hyun Park
    • G11B17/03G11B17/04G11B17/056G11B33/02
    • G11B17/056G11B17/0402
    • A tray feeding apparatus of an optical disc player capable of stable back and forth feeding operations without rolling side to side, which includes a pair of guide units having a predetermined length formed by vertically piercing through a rear end of a tray, a lead screw rotatably installed to an upper plane of a base plate on a rear side of a tray receiving part within a player main body such that one end thereof is meshed with a shaft gear of a feeding motor to be driven in a prescribed direction by a rotational direction of the feeding motor, and has screw portions in the reverse direction to each other along both outer peripheries of the left and right sides centering about a center line thereof, and a tray feeding unit having a front end fitted into the guide units in the tray and a rear end fitted to the left and fight screw portions of the lead screw for linearly moving the tray back and forth with respect to the player main body while the front end and rear end become close to or distant from the center of the guide units and lead screw upon the supply of a motive power.
    • 一种光盘播放机的托盘馈送装置,其能够在不滚动的情况下稳定地进行前后进给,其包括通过垂直穿过托盘的后端形成的具有预定长度的一对引导单元,可旋转地 安装在播放器主体内的托盘容纳部的后侧的基板的上平面上,使其一端与要沿规定方向驱动的进给电动机的轴齿轮啮合,旋转方向为 进给马达,并且以围绕其中心线的左右两侧的外周彼此沿相反方向相反的螺钉部分,以及托盘进给单元,其具有装配到托盘中的引导单元中的前端,以及 后端安装在左侧,并且螺杆的打螺纹部分用于相对于演奏者主体来回前后地线性地移动托盘,同时前端和后端变得接近 或者在供给动力时远离导向单元的中心和导螺杆。
    • 8. 发明授权
    • Projection-lens driving apparatus with a timing belt
    • 具有同步带的投影透镜驱动装置
    • US5537170A
    • 1996-07-16
    • US524710
    • 1995-09-07
    • Dong-Hee LeeJun-Hyun Park
    • Dong-Hee LeeJun-Hyun Park
    • G02B7/02G02B27/18G03B21/00G03B33/12H01J29/46H04N5/74H04N9/31H04N17/00
    • H04N9/317G03B21/006G03B21/145G03B33/12
    • The projection-lens driving apparatus having a housing with a top and a bottom faces for use in a 3-beam projector includes an upper plate, an upper projection-lens holder, a pair of cross link, a pair of lower projection-lens holders, a guide bracket, a sliding plate, an upper guide member, a lower guide member, a timing belt, a driving means divided into a first driving means for driving the upper guide member and a second driving means for driving the lower guide member. The upper and the lower projection-lens holders is respectively fitted to the upper and the lower guide members mechanically and physically in such a way that they can be driven integrally using the driving means, thereby allowing the images to coincide on the screen accurately and, above all, simultaneously.
    • 具有用于三光束投影仪的具有顶面和底面的壳体的投影透镜驱动装置包括上板,上投影透镜保持器,一对交叉连杆,一对下投影透镜支架 导向支架,滑板,上引导构件,下引导构件,同步带,分成用于驱动上引导构件的第一驱动装置的驱动装置和用于驱动下引导构件的第二驱动装置。 上部和下部投影透镜保持件以机械和物理的方式分别装配到上引导构件和下导向构件,使得它们可以使用驱动装置一体地驱动,从而允许图像精确地重合在屏幕上, 首先,同时。
    • 10. 发明授权
    • Oxide semiconductor thin-film transistor
    • 氧化物半导体薄膜晶体管
    • US08841663B2
    • 2014-09-23
    • US13080413
    • 2011-04-05
    • Je-Hun LeeJae-Woo ParkByung-Du AhnSei-Yong ParkJun-Hyun Park
    • Je-Hun LeeJae-Woo ParkByung-Du AhnSei-Yong ParkJun-Hyun Park
    • H01L29/10H01L29/12H01L29/786H01L29/45
    • H01L29/45H01L29/78618H01L29/7869H01L29/78696
    • A thin-film transistor includes a gate electrode, a source electrode, a drain electrode, a gate insulation layer and an oxide semiconductor pattern. The source and drain electrodes include a first metal element with a first oxide formation free energy. The oxide semiconductor pattern has a first surface making contact with the gate insulation layer and a second surface making contact with the source and drain electrodes to be positioned at an opposite side of the first surface. The oxide semiconductor pattern includes an added element having a second oxide formation free energy having an absolute value greater than or equal to an absolute value of the first oxide formation free energy, wherein an amount of the added element included in a portion near the first surface is zero or smaller than an amount of the added element included in a portion near the second surface.
    • 薄膜晶体管包括栅电极,源电极,漏电极,栅极绝缘层和氧化物半导体图案。 源极和漏极包括具有第一氧化物形成自由能的第一金属元件。 氧化物半导体图案具有与栅极绝缘层接触的第一表面和与源极和漏极电极接触以与第一表面相对的第二表面。 氧化物半导体图案包括具有绝对值大于或等于第一氧化物形成自由能的绝对值的第二氧化物形成自由能的添加元素,其中包括在第一表面附近的部分中的添加元素的量 为零或小于包含在靠近第二表面的部分中的添加元素的量。