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    • 42. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING TIMING FOR INITIAL RANGING OF USER EQUIPMENT USING RANGING OF ADJACENT PIECES OF USER EQUIPMENT IN MULTI-HOP MOBILE RELAY SYSTEM
    • 用于多用户移动终端系统中用户设备的邻接角度用户设备初始范围确定时间的方法和装置
    • US20090318166A1
    • 2009-12-24
    • US12518246
    • 2007-10-31
    • Hyun Jae KimYoung-il Kim
    • Hyun Jae KimYoung-il Kim
    • H04W24/00
    • H04W56/002H04B7/2606H04W16/26H04W24/10H04W92/18
    • Provided is a method and apparatus for determining timing for initial ranging of user equipment by using ranging of adjacent pieces of user equipment in a multi-hop mobile relay (MMR) system, and more particularly, a method and apparatus for determining timing for initial ranging of user equipment in which a power value and a timing value for periodic ranging of adjacent pieces of user equipment are measured so as to minimize an uplink timing error of abase station. In the MMR system, user equipment transmits an initial ranging code to the base station with irregular timing while not knowing an exact start point of an uplink of the base station. In particular, if the user equipment attempts the initial ranging at the same time as when adjacent pieces of user equipment attempt the periodic ranging and the handover ranging, an error occurs between transmission timing of the initial ranging and uplink timing, thereby acting as an inter-symbol interference (ISI) and inter-channel interference (ICI) of different ranging. As a result, the initial ranging acts as an interference signal in a ranging process of adjacent pieces of user equipment. However, the apparatus and method can minimize a timing error of the initial ranging code of user equipment by avoiding the initial ranging acting as the interference signal.
    • 提供了一种用于通过使用多跳移动中继(MMR)系统中的相邻用户设备的测距来确定用户设备的初始测距的定时的方法和装置,更具体地,用于确定初始测距的定时的方法和装置 测量其中相邻用户设备的周期性测距的功率值和定时值的用户设备,以便使得站点的上行链路定时误差最小化。 在MMR系统中,用户设备以不规则的定时向基站发送初始测距码,而不知道基站的上行链路的确切起点。 特别地,如果用户设备在相邻的用户设备尝试周期性测距和切换测距的同时尝试初始测距,则在初始测距和上行链路定时的传输定时之间出现错误, 符号干扰(ISI)和不同范围的信道间干扰(ICI)。 结果,初始测距在相邻的用户设备的测距过程中充当干扰信号。 然而,该装置和方法可以通过避免作为干扰信号的初始测距来最小化用户设备的初始测距码的定时误差。
    • 44. 发明申请
    • Apparatus for and method of discharging tape
    • 磁带排放装置及方法
    • US20080035697A1
    • 2008-02-14
    • US11655711
    • 2007-01-18
    • Young-il Kim
    • Young-il Kim
    • B65H20/02
    • B65H20/30B65H2408/212B65H2701/37
    • An apparatus for and method of discharging a cover tape. The apparatus includes a tape collector including an inlet through which a top cover tape is introduced into the tape collector, an outlet through which the top cover tape is discharged from the tape collector, and a passage formed inside the tape collector to receive the top cover tape from the inlet and guide the top cover tape to the outlet; and a discharge guide rotatably installed inside the tape collector, the discharge guide being rotated to open the outlet by a pushing force exerted by the top cover tape fully filled in the passage, the discharge guide returning to an original position to close the outlet after the top cover tape filled in the tape collector is discharged through the outlet.
    • 一种封盖带放电的方法和方法。 该装置包括带收集器,该收集器包括入口,顶盖带通过该入口引入到带收集器中,顶盖带从该收集器排出的出口以及形成在收集器内的通道, 胶带从入口引导顶盖带到出口; 以及可旋转地安装在所述收集器内的排出引导件,所述排出引导件通过由完全填充在所述通道中的顶盖带施加的推动力而旋转以打开所述出口,所述排出引导件返回到原始位置以在所述出口之后关闭所述出口 填充在收集器中的顶盖带通过出口排出。
    • 46. 发明授权
    • Method and apparatus for forming cover tape of tape feeder
    • 用于形成带式给料机盖带的方法和装置
    • US06695032B2
    • 2004-02-24
    • US09953902
    • 2001-09-18
    • Young-il Kim
    • Young-il Kim
    • B30B1534
    • H05K13/003Y10T156/1174Y10T156/1956Y10T156/1994
    • A method and apparatus for facilitating discharge of a cover tape detached from a base tape in a tape feeder are disclosed. A section of the cover tape is formed to have a predetermined shape by providing a predetermined stiffness to the cover tape. The apparatus comprises a first rotary body where at least one protruding portion is formed along an outer circumferential surface and a second rotary body where at least one groove for accommodating the at least one protruding portion is formed along an outer circumferential surface. The cover tape is then formed by passing between the first rotary body and the second rotary body.
    • 公开了一种用于促进从送带器中的基带上分离的盖带的排出的方法和装置。 盖带的一部分通过向盖带提供预定的刚度而形成为具有预定的形状。 该装置包括沿着外周面形成至少一个突出部分的第一旋转体和沿着外周面形成至少一个用于容纳至少一个突出部分的凹槽的第二旋转体。 然后通过在第一旋转体和第二旋转体之间通过形成盖带。
    • 48. 发明授权
    • Multi-laser scanning unit
    • 多功能激光扫描单元
    • US6157472A
    • 2000-12-05
    • US422348
    • 1999-10-21
    • Jae-yong EumHwan-young ChoiSung-min ChoMoon-gyu LeeJee-hong MinYoung-il Kim
    • Jae-yong EumHwan-young ChoiSung-min ChoMoon-gyu LeeJee-hong MinYoung-il Kim
    • B41J2/44G02B26/10H04N1/113G02B5/32
    • G02B26/105
    • A multi-laser scanning unit (LSU) in which scanning lines incident parallel onto a photoreceptor have the same scanning direction. The multi-laser scanning unit includes: a driving source for providing a rotatory force; a deflection disk installed around a rotary shaft of the driving source having at least two sectors with a hologram pattern for diffracting and deflecting incident light, for scanning light through rotation; at least two light sources installed facing one surface of the deflection disk for irradiating light lines onto predetermined points in the at least two sectors of the deflection disk, the predetermined points are symmetrical by the rotary center of the deflection disk; a light path changing portion for changing traveling paths of the plurality of scanning lines formed by the rotation of the deflection disk, such that the centers of the scanning lines or extended imaginary lines of the scanning lines pass the rotary axis of the deflection disk; and a scanning direction changing portion for changing the scanning direction of one scanning line scanned by the deflection disk in the opposite scanning direction, such that all the scanning lines scan an image in the same scanning direction.
    • 多个激光扫描单元(LSU),其中平行于感光体的扫描线具有相同的扫描方向。 多激光扫描单元包括:用于提供旋转力的驱动源; 安装在所述驱动源的旋转轴周围的偏转盘具有至少两个具有用于衍射和偏转入射光的全息图的扇区,用于通过旋转扫描光; 至少两个光源安装在偏转盘的一个表面上,用于将光线照射到偏转盘的至少两个扇区中的预定点上,预定点由偏转盘的旋转中心对称; 用于改变通过偏转盘的旋转形成的多条扫描线的行进路径的光路改变部分,使得扫描线的扫描线或延伸的假想线的中心通过偏转盘的旋转轴线; 以及扫描方向改变部分,用于改变沿相反扫描方向由偏转盘扫描的一条扫描线的扫描方向,使得所有扫描线沿相同的扫描方向扫描图像。