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    • 21. 发明申请
    • Rotary compressor
    • 旋转压缩机
    • US20070122284A1
    • 2007-05-31
    • US10556346
    • 2004-04-30
    • Ji BaeKyoung ParkChang JangChul RohJong KimYoung Ko
    • Ji BaeKyoung ParkChang JangChul RohJong KimYoung Ko
    • B63H1/16
    • F04C23/008F01C21/108F04C18/3564F04C28/04F04C28/14
    • Disclosed is a rotary compressor having two compression capacities. The rotary compressor includes: a driving shaft (18) being rotatable clockwise and counterclockwise, and having an eccentric portion (13a) of a predetermined size; a cylinder (21) forming a predetermined inner volume; a roller (22) installed rotatably on an outer circumference of the eccentric portion (19a) so as to contact an inner circumference of the cylinder (21), performing a rolling motion along the inner circumference and forming a fluid chamber (29) to suck and compress fluid along with the inner circumference; a vane (23) installed elastically in the cylinder to contact the roller continuously; a first bearing (24) installed in the cylinder (21), for supporting the driving shaft (13) rotatably; a second bearing (25) for rotatably supporting the driving shaft (13) and preliminarily storing the fluid to be sucked; discharge ports (26) communicating with the fluid chamber (29); and a valve assembly (110) having openings separated by predetermined angle form each other, for allowing the openings (111,112,113) to selectively communicate with the second bearing (25) at a predetermined position of the fluid chamber (29) according to rotation direction of the driving shaft (18), wherein compression spaces that have different volumes from each other are formed in the fluid chamber (29) according to the rotation direction of the driving shaft (13) so that two different compression capacities are formed.
    • 公开了具有两个压缩容量的旋转式压缩机。 旋转式压缩机包括:驱动轴(18),其顺时针和逆时针旋转,并具有预定尺寸的偏心部分(13a); 形成预定内容积的圆筒(21) 可旋转地安装在所述偏心部分(21a)的外圆周上以与所述气缸(21)的内圆周接触的辊(22),沿着所述内圆周进行滚动运动并形成流体室 与内周一起吸入和压缩流体; 安装在所述气缸中的叶片(23),以连续地接触所述滚筒; 安装在所述气缸(21)中的用于可旋转地支撑所述驱动轴(13)的第一轴承(24) 第二轴承(25),用于可旋转地支撑所述驱动轴(13)并预先存储要吸入的流体; 与流体室(29)连通的排出口(26); 以及具有彼此分开预定角度的开口的阀组件(110),用于允许开口(111,112,113)根据流体室(29)的旋转方向在流体室(29)的预定位置处选择性地与第二轴承(25)连通 驱动轴(18),其中根据驱动轴(13)的旋转方向在流体室(29)中形成具有彼此不同体积的压缩空间,从而形成两个不同的压缩容量。
    • 22. 发明申请
    • Mirror package scanning apparatus and method
    • 镜包装扫描装置及方法
    • US20070053035A1
    • 2007-03-08
    • US11489566
    • 2006-07-20
    • Jin ChoHwa LeeYoung KoJin Lee
    • Jin ChoHwa LeeYoung KoJin Lee
    • G02B26/08
    • G02B26/101
    • An optical scanner system and method having a light source, a first mirror rotatable along a first torsion axis to reflect light from the light source, a first vibrator to vibrate the first mirror, a second mirror positioned adjacent to the first mirror and rotatable along a second torsion axis different from the first torsion axis, a second vibrator to vibrate the second mirror, and a mirror reflecting the light reflected from the first mirror to the second mirror. In addition, microminiaturization may be further embodied by applying an MEMS technology. Further, a vibrating body may be designed to vibrate with high frequencies by reducing the size and mass of the vibrating body. Through embodiments of the present invention, it is also possible to prevent interference between light entering a mirror package and the finally reflected light.
    • 一种具有光源的光学扫描器系统和方法,可沿着第一扭转轴旋转以反射来自光源的光的第一反射镜,使第一反射镜振动的第一振动器,邻近第一反射镜定位的第二反射镜, 与第一扭转轴不同的第二扭转轴,用于使第二反射镜振动的第二振动器和将从第一反射镜反射的光反射到第二反射镜的反射镜。 此外,通过应用MEMS技术可进一步体现微型化。 此外,振动体可以通过减小振动体的尺寸和质量而被设计成以高频振动。 通过本发明的实施例,还可以防止进入镜面包装的光和最终的反射光之间的干涉。
    • 23. 发明申请
    • Design of rate-compatible LDPC codes using optimal extending
    • 使用最优扩展的速率兼容LDPC码的设计
    • US20060059401A1
    • 2006-03-16
    • US11201017
    • 2005-08-10
    • Young Ko
    • Young Ko
    • H03M13/00
    • H04L1/1819H03M13/11H03M13/618H03M13/6306H03M13/6393H04L1/0057
    • Provided is a technique of encoding and decoding an LDPC code having a plurality of code rate using a single codec in a wired and wireless communication channel coding, and a method of designing a rate compatible low density parity check (LDPC) code including a step of successively adding new parity bits to variable nodes of the mother code to obtain the rate compatible code. The code with a high code rate is used as a reference code and a plurality of low-rate codes are obtained using an optimal extending technique. Using the proposed method, a single codec including a plurality of low code rate codes may be designed, maintaining an optimal performance.
    • 提供了一种在有线和无线通信信道编码中使用单个编解码器对具有多个码率的LDPC码进行编码和解码的技术,以及一种设计速率兼容低密度奇偶校验(LDPC)码的方法,包括步骤 连续向母码的可变节点添加新的校验位以获得速率兼容代码。 将代码率高的代码用作参考代码,并使用最佳扩展技术获得多个低速率代码。 使用所提出的方法,可以设计包括多个低码率码的单个编解码器,保持最佳性能。
    • 24. 发明申请
    • Internal antenna of wireless communication terminal
    • 无线通信终端内部天线
    • US20060017629A1
    • 2006-01-26
    • US11172970
    • 2005-07-05
    • Young KoHong Kim
    • Young KoHong Kim
    • H01Q1/24
    • H01Q1/243H01Q9/42
    • An internal antenna of a wireless communication terminal, in which internal style folded monopole antenna is installed, is provided. The internal antenna of a wireless communication terminal includes a folded monopole antenna. The folded monopole antenna includes two folded radiation planes having a quarter wavelength, and reactances loaded to predetermined positions of the two radiation planes. Therefore, a space for installing the antenna in the terminal is minimized, and due to the no directional characteristics, the internal antenna can be applied to a wireless communication system of dual bandwidths.
    • 提供了安装有内部折叠单极天线的无线通信终端的内部天线。 无线通信终端的内部天线包括折叠的单极天线。 折叠的单极天线包括具有四分之一波长的两个折叠的辐射平面,以及负载到两个辐射平面的预定位置的电抗。 因此,将天线安装在终端中的空间被最小化,并且由于没有方向特性,内部天线可以应用于双带宽的无线通信系统。
    • 29. 发明申请
    • Rotary compressor
    • 旋转压缩机
    • US20070154328A1
    • 2007-07-05
    • US10556317
    • 2004-04-30
    • Ji Young BaeChul RohKyoung ParkYoung KoJong Sin
    • Ji Young BaeChul RohKyoung ParkYoung KoJong Sin
    • F04B49/00
    • F04C18/3564F04C28/04F04C28/14F04C2250/101
    • Disclosed is a rotary compressor having two compression capacities. The rotary compressor includes: a driving shaft (13) being rotatable clockwise and counterclockwise and having an eccentric portion (13a) of a predetermined size; a cylinder (21) forming a predetermined inner volume; a roller (22) installed rotatably on an outer circumference of the eccentric portion (13a) so as to contact an inner circumference of the cylinder (21), performing a rolling motion along the inner circumference and forming a fluid chamber (29) to suck and compress fluid along with the inner circumference; a vane (23) installed elastically in the cylinder (21) to contact the roller (22) continuously; upper and lower bearings (24,25) installed respectively in upper and lower portions of the cylinder (21), for supporting the driving shaft (13) rotatably and sealing the inner volume hermetically; discharge ports (26) communicating with the fluid chamber (29); suction ports (27) communicating with the fluid chamber (29) and being spaced apart from each other by a predetermined angle; and a valve assembly (110,120) for selectively opening any one of the suction ports (27) according to rotation direction of the driving shaft (13), wherein compression spaces that have different volumes from each other are formed in the fluid chamber (29) according to the rotation direction of the driving shaft (13) such that two different compression capacities are formed.
    • 公开了具有两个压缩容量的旋转式压缩机。 旋转压缩机包括:驱动轴(13),其可顺时针和逆时针旋转并具有预定尺寸的偏心部分(13a); 形成预定内容积的圆筒(21) 可旋转地安装在所述偏心部分(13a)的外圆周上以与所述气缸(21)的内圆周接触的辊(22),沿着所述内圆周进行滚动运动,并形成流体室(29)至 与内周一起吸入和压缩流体; 在所述气缸(21)中弹性地安装以连续地接触所述辊(22)的叶片(23) 分别安装在所述气缸(21)的上部和下部中的上部和下部轴承(24,25),用于可旋转地支撑所述驱动轴(13)并密封所述内部容积; 与流体室(29)连通的排出口(26); 与所述流体室(29)连通并且彼此隔开预定角度的吸入口(27); 以及用于根据所述驱动轴(13)的旋转方向选择性地打开任何一个所述吸入口(27)的阀组件(110,120),其中在所述流体室(29)中形成有彼此不同体积的压缩空间, 根据驱动轴(13)的旋转方向,形成两个不同的压缩能力。