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    • 1. 发明申请
    • POWER FACTORY CORRECTION CIRCUIT AND POWER SUPPLY HAVING THE SAME
    • 电力厂校正电路及其电源
    • US20120112712A1
    • 2012-05-10
    • US13052790
    • 2011-03-21
    • Taisung KimJooho Lee
    • Taisung KimJooho Lee
    • G05F1/70
    • H05B33/0809H02M3/1584
    • A power supply includes an EMI filter removing noises from an input signal, a rectifying circuit rectifying and outputting the input signal, and a power factor correction circuit varying a magnitude in output voltage according to a duty ratio of a driving signal while generating an output voltage by an energy storage unit storing and discharging energy, controlling the duty ratio of the driving signal according to the change in the output voltage, and controlling the magnitude in output voltage before the output voltage is determined to be in an overvoltage state by using a second threshold voltage to be set lower than the first threshold voltage while determining whether the output voltage is in an overvoltage state by using the first threshold voltage. The power supply controls the magnitude in output voltage before it is determined that the output voltage is in an overvoltage state by being overshot.
    • 电源包括EMI滤波器,从输入信号中去除噪声,对整流和输出输入信号的整流电路;以及功率因数校正电路,根据驱动信号的占空比,在产生输出电压的同时改变输出电压的大小 通过存储和释放能量的能量存储单元,根据输出电压的变化来控制驱动信号的占空比,并且在输出电压被确定为处于过压状态之前通过使用第二 阈值电压被设定为低于第一阈值电压,同时通过使用第一阈值电压来确定输出电压是否处于过电压状态。 在通过超控确定输出电压处于过电压状态之前,电源控制输出电压的大小。
    • 3. 发明授权
    • Method and system for adaptive three-dimensional color television Y/C separation comb filter design
    • 自适应三维彩色电视Y / C分离梳状滤波器设计方法与系统
    • US06795126B1
    • 2004-09-21
    • US10036252
    • 2001-12-14
    • Jooho Lee
    • Jooho Lee
    • H04N978
    • H04N9/78
    • Method and system for an adaptive three-dimensional Y/C comb filter are disclosed. A composite TV signal is input into a color decoder. A first decision-making module determines if an edge passing through a current sample pixel is a color or colorless edge. If the edge is colorless, a second decision-making module determines if the edge is lying vertically, horizontally, or temporally. Once the second decision-making module determines the direction in which the edge lies, the module applies an appropriate Y/C comb filter to the input composite TV signal. If the edge is a color edge, a third decision-making module determines if the edge is lying vertically, horizontally, or temporally. Once the third decision-making module determines the direction in which the edge lies, the module applies an appropriate Y/C comb filter to the input composite TV signal.
    • 公开了一种自适应三维Y / C梳状滤波器的方法和系统。 复合TV信号被输入到彩色解码器中。 第一决策模块确定通过当前采样像素的边缘是否是彩色或无色边缘。 如果边缘是无色的,则第二决策模块确定边缘是垂直,水平还是在时间上。 一旦第二决策模块确定边缘所在的方向,模块将一个适当的Y / C梳状滤波器应用于输入的复合电视信号。 如果边缘是颜色边缘,则第三决策模块确定边缘是垂直,水平还是在时间上。 一旦第三决策模块确定边缘所在的方向,模块就向输入的复合电视信号应用适当的Y / C梳状滤波器。
    • 4. 发明授权
    • Apparatus and method for adaptive three dimensional television Y/C separation comb filter bank
    • 自适应三维电视Y / C分离梳状滤波器组的装置和方法
    • US06774954B1
    • 2004-08-10
    • US09896013
    • 2001-06-28
    • Jooho Lee
    • Jooho Lee
    • H04N977
    • H04N9/78
    • An apparatus and method for a three-dimensional luminance/chrominance (Y/C) seperation comb filter bank. The method and system consider the effect of motions in the temporal domain as the effect of edges in the spatial domain. The method and system apply a temporal filter to the section rule of edge location detection in the spatial domain. With this applications, the three-dimension comb filter bank can separate Y and C from each other freely without motion consideration. The method and system do not simply exploit the topology in the pixel phases. Rather, the method and system consider the Y/C comb filter to operate from the spectral viewpoint. Temporal filtering function is increased to better utilize the memory buffers of the three-dimensional filter. In so doing, balanced usage among the horizontal, vertical and temporal filter functions is achieved using the method and system.
    • 一种用于三维亮度/色度(Y / C)分离梳状滤波器组的装置和方法。 该方法和系统考虑了时域中运动的影响与空间域中边缘的相同效应。 该方法和系统将空间滤波器应用于空间域中边缘位置检测的选择规则。 利用这种应用,三维梳状滤波器组可以在没有运动的情况下彼此分离Y和C。 该方法和系统不会简单地利用像素阶段中的拓扑。 相反,该方法和系统认为Y / C梳状滤波器从光谱观点来操作。 增加时间滤波功能,以更好地利用三维滤波器的存储缓冲器。 这样做,使用方法和系统实现了水平,垂直和时间滤波器功能之间的平衡使用。