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    • 2. 发明申请
    • Image rejection mixer and terrestrial digital multimedia broadcasting tuner of low intermediate frequency structure using the same
    • 图像抑制混频器和地面数字多媒体广播调谐器的低中频结构使用相同
    • US20060154640A1
    • 2006-07-13
    • US11089226
    • 2005-03-24
    • Seung OhYoo NaJeong ChoiSeung SeoMoon Kim
    • Seung OhYoo NaJeong ChoiSeung SeoMoon Kim
    • H04B1/18H04B1/10
    • H04B1/28
    • Disclosed herein are a terrestrial digital multimedia broadcasting (DMB) tuner of a low intermediate frequency (IF) structure which is applied to a mobile communication terminal, such as a mobile phone, and an image rejection mixer applied thereto. In order to improve inter-channel attenuation characteristics, the image rejection mixer locates an oscillation frequency above or beneath the frequency of a target signal to include an image signal of the target signal in a terrestrial DMB band, mixes a radio frequency (RF) signal with the oscillation frequency, and outputs the resulting IF signals to a polyphase filter in a selected arrangement. Because the image signal of the target signal is included in the terrestrial DMB band, the image rejection mixer can satisfy the inter-channel attenuation characteristics without a troublesome or complex design.
    • 这里公开了应用于诸如移动电话的移动通信终端和应用于其的镜像抑制混合器的低中频(IF)结构的地面数字多媒体广播(DMB)调谐器。 为了提高信道间衰减特性,图像抑制混频器将振荡频率定位在目标信号的频率之上或之下,以包括地面DMB频带中的目标信号的图像信号,将射频(RF)信号 并以所选择的布置将所得IF信号输出到多相滤波器。 由于目标信号的图像信号被包含在地面DMB频带中,因此,图像抑制混频器可以满足信道间衰减特性,而不需要麻烦或复杂的设计。
    • 3. 发明申请
    • EXPONENTIAL FUNCTION GENERATOR AND VARIABLE GAIN AMPLIFIER USING THE SAME
    • 特殊功能发生器和可变增益放大器
    • US20060290417A1
    • 2006-12-28
    • US11420728
    • 2006-05-26
    • Jeong ChoiWon BaekHyun YooSeung Oh
    • Jeong ChoiWon BaekHyun YooSeung Oh
    • G05F1/10
    • H03G7/001
    • The present invention relates to an exponential function generator which is realized with only CMOS element without BJT element, not limited by the physical properties of the element or a square circuit, and not complicated in its configuration, and a variable gain amplifier using the same. The exponential function generator includes a voltage-current converter, 1st to nth curve generators for mirroring the current from the voltage-current converter, outputting a current adjusted according to a predetermined ratio, and an output end for outputting the sum of the current from the 1st to nth curve generators. The exponential current generator is configured to generate the current exponentially adjusted according to the control voltage.
    • 本发明涉及一种仅使用没有BJT元件的CMOS元件实现的指数函数发生器,不受元件或平方电路的物理特性限制,并且其结构不复杂,以及使用其的可变增益放大器。 指数函数发生器包括用于镜像来自电压 - 电流转换器的电流的电压 - 电流转换器,1 至第n个/曲线发生器,输出根据 以及输出端,用于输出从第1至第n曲线发生器的电流之和。 指数电流发生器被配置为根据控制电压产生指数调节的电流。
    • 4. 发明申请
    • Refrigerator
    • 冰箱
    • US20070086151A1
    • 2007-04-19
    • US10578709
    • 2004-11-12
    • Seung OhIk Kyu LeeChan JangKi Cheol Woo
    • Seung OhIk Kyu LeeChan JangKi Cheol Woo
    • G06F1/16
    • F16M11/10F16M11/041F16M13/02F16M2200/02F25D23/12F25D2323/023F25D2400/06F25D2400/361Y10S248/917
    • The present invention relates to a refrigerator. In the present invention, a communication pad 60 is installed in one of the doors 51 and 53 for opening and closing storage spaces formed in a refrigerator main body 50. The communication pad 60 is detachably installed in a seating; space 58 of the door 53. While an upper end of the communication pad 60 is seated in the seating space 58 by an upper clamp 61, a lower end of the communication pad 60 is seated in the seating space 58 by a lower clamp 61′. The upper clamp 61 and the lower clamp 61′ are installed in the seating space 58 through hinge assemblies 65. Here, the hinge assemblies 65 are configured so that the upper and lower clamps 61 and 61′ rotate only by a force of a predetermined value or higher. According to the present invention constructed as above, it is possible to get advantages in that the communication pad 60 is securely mounted to and easily dismounted from the door 53.
    • 冰箱技术领域本发明涉及一种冰箱。 在本发明中,通信垫60安装在门51和53之一中,用于打开和关闭在冰箱主体50中形成的存储空间。 通信垫60可拆卸地安装在座位上; 门53的空间58。 当通过上夹具61将通信垫60的上端置于座位空间58中时,通过下夹具61'将连通垫60的下端置于座位空间58中。 上夹具61和下夹61'通过铰链组件65安装在座位空间58中。 这里,铰链组件65被构造成使得上夹具61和下夹具61'仅旋转预定值或更高的力。 根据如上构造的本发明,可以获得如下优点:通信垫60被牢固地安装到门53上并且容易地从门53上拆下。
    • 5. 发明申请
    • Ice supply system
    • 供冰系统
    • US20060117786A1
    • 2006-06-08
    • US11337585
    • 2006-01-24
    • Wook LeeMyung LeeSeung OhEui Chung
    • Wook LeeMyung LeeSeung OhEui Chung
    • F25C1/22F25C5/18F25C5/08
    • F25C1/04F25C5/046F25C5/182F25C5/22F25C2400/04F25C2400/10F25C2500/06F25C2600/04F25C2700/06
    • An icemaker for an ice supply system for preventing water from overflowing from the ice tray by vibration and/or shaking of the surrounding structure includes an icemaker, a container provided at a lower part of the icemaker and an ice chute for supplying the ice stored in the ice container. An ejector in the ice tray of the icemaker and a dropper device having an inclined upper surface at a side of the open top of the ice tray are provided for dropping the ice discharged upwardly by the ejector. The dropper has no gap or slot through which the ejector passes to prevent water overflow through the dropper. An overflow prevention device is provided at another side of the open top of the ice tray for preventing water filled in the ice tray from overflowing.
    • 一种用于防止水从周围结构的振动和/或晃动而使水从冰盘溢出的制冰机,包括制冰机,设在制冰机下部的容器和用于供应储存在冰箱中的冰的冰槽 冰箱。 在制冰机的冰盘中的喷射器和在冰盘的开口顶部的一侧具有倾斜的上表面的滴管装置被设置用于将由喷射器向上排放的冰滴下。 滴管没有间隙或槽,喷射器通过该间隙或槽,以防止水通过滴管溢出。 在冰盘的开口顶部的另一侧设置溢流防止装置,以防止填充在冰盘中的水溢出。
    • 7. 发明申请
    • System and method for generating surface mesh surrounding particles
    • 用于产生周围颗粒的表面网格的系统和方法
    • US20070132758A1
    • 2007-06-14
    • US11633191
    • 2006-12-04
    • Seung OhBon KooManjai Lee
    • Seung OhBon KooManjai Lee
    • G06T17/00
    • G06T17/20
    • Provided are a system for generating a surface mesh surrounding particles on a 3D space. An implicit function module receives particle data containing three-dimensional location and radius data of the particles, grids the particles into rectangular parallelepiped shape, and generates implicit function data having implicit function value determining the surface at grid points. A mesh module generates a mesh through a pre-process of substituting the implicit function value of the gird point, where the implicit function value is defined, by zero when the a distance between a grid point where the implicit function value of the implicit function data and the vertex of the mesh is within a set distance. Accordingly, the system and method are useful for visualizing the results of particle simulations used in basic science and engineering. In particular, the system and method can generate high-quality mesh in computer graphics of fluid simulation using the particles.
    • 提供了一种用于在3D空间上生成围绕颗粒的表面网格的系统。 隐含函数模块接收包含粒子的三维位置和半径数据的粒子数据,将粒子网格化为长方体形状,并产生具有确定网格点表面的隐含函数值的隐含函数数据。 网格模块通过将网格点之间的距离代入隐式函数数据的隐含函数值的网格点之间的距离,通过将网格点的隐含函数值(其中隐含函数值定义)为0的前处理生成网格, 并且网格的顶点在设定的距离内。 因此,该系统和方法可用于可视化基础科学和工程中使用的粒子模拟的结果。 特别地,系统和方法可以使用粒子在流体模拟的计算机图形中生成高质量的网格。