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    • 52. 发明授权
    • Apparatus and method for removing jammer signal in wireless communication receiver
    • 在无线通信接收机中去除干扰信号的装置和方法
    • US07574188B2
    • 2009-08-11
    • US11567825
    • 2006-12-07
    • Hyun-Seok Kim
    • Hyun-Seok Kim
    • H04B1/10
    • H04B1/1036
    • An apparatus and method for removing a jammer signal in a wireless communication receiver, in which a frequency converter down-converts a radio frequency (RF) signal including a desired and a jammer signal into a baseband signal. A first filter removes the desired signal from an output signal of the frequency converter and outputs a jammer signal as an output signal. The frequency converter up-converts the jammers signal output from the first filter. The second filter outputs the up-converted jammer signal as an output signal. The first adder receives the RF signal and the output signal of the second filter and removes the jammer signal from the RF signal using the RF signal and the output signal of the second filter. Accordingly, the frequency converter down-converts the RF signal including the attended jammer signal.
    • 一种用于去除无线通信接收机中的干扰信号的装置和方法,其中变频器将包括期望和干扰信号的射频(RF)信号下变频为基带信号。 第一滤波器从变频器的输出信号中去除期望的信号,并输出干扰信号作为输出信号。 变频器对从第一个滤波器输​​出的干扰信号进行上变频。 第二个滤波器输​​出上变频的干扰信号作为输出信号。 第一加法器接收RF信号和第二滤波器的输出信号,并且使用RF信号和第二滤波器的输出信号从RF信号中去除干扰信号。 因此,变频器对包括被干扰信号的RF信号进行下变频。
    • 56. 发明申请
    • Method and system for displaying application windows for computer system using video data modulation
    • 用于显示使用视频数据调制的计算机系统的应用程序窗口的方法和系统
    • US20080066006A1
    • 2008-03-13
    • US11729941
    • 2007-03-30
    • Hyun-Seok Kim
    • Hyun-Seok Kim
    • G06F3/048
    • G09G5/14G06F3/0481
    • A method and system for displaying application windows are provided to facilitate multitasking by effectively managing multiple open application windows. The method for displaying application windows on a display screen that is divided into an active part and a non-active part includes modulating video data corresponding to the non-active part using auxiliary data and displaying the modulated video data in the non-active part on the display screen. The application window display method of the present invention facilitates the modulation of video data for unimportant image objects such as non-active application windows and a desktop image such that only important image objects such as an active application window and other preset objects are prominently displayed. This allows a user to focus their attention on a current task.
    • 提供用于显示应用程序窗口的方法和系统,以通过有效地管理多个打开的应用程序窗口来促进多任务。 在显示屏幕上显示应用程序窗口的方法,分为活动部分和非活动部分包括使用辅助数据调制与非活动部分相对应的视频数据,并在非活动部分中显示调制视频数据 显示屏幕。 本发明的应用程序窗口显示方法有助于对诸如非活动应用程序窗口和桌面图像之类的不重要的图像对象的视频数据的调制,使得仅显着地显示诸如主动应用程序窗口和其他预置对象之类的重要图像对象。 这允许用户将他们的注意力集中在当前任务上。
    • 57. 发明申请
    • Signal generation apparatus, frequency converting apparatus, and receiver
    • 信号发生装置,频率转换装置和接收机
    • US20070082640A1
    • 2007-04-12
    • US11471121
    • 2006-06-20
    • Hyun-Seok Kim
    • Hyun-Seok Kim
    • H04B1/40H04B1/06
    • H03F3/45089H03B27/00H03C1/36H03F3/4508H03F2200/336H03F2203/45302H03F2203/45318H03F2203/45352H03F2203/45366H03F2203/45466H03F2203/45544H03K5/1565
    • A signal generation apparatus, a frequency converting apparatus and a receiver, in which the signal generation apparatus includes an oscillator, a duty cycle adjusting circuit, and a signal generation circuit. The oscillator generates differential signals. The duty cycle adjusting circuit adjusts duty cycles of differential output signals, in response to at least one of a plurality of control signals, to adjust phases of the differential output signals generated according to a result of amplifying a difference between the differential signals input through a pair of input terminals so as to output duty cycle adjusted differential output signals to a pair of output terminals. The signal generation circuit outputs an in-phase signal and a quadrature-phase signal in response to the duty cycle adjusted differential output signals. The frequency converting apparatus includes a first mixer for mixing an input signal with the in-phase signal and a second mixer for mixing the input signal and the quadrature-phase signal.
    • 信号发生装置,频率转换装置和接收机,信号发生装置包括振荡器,占空比调节电路和信号产生电路。 振荡器产生差分信号。 占空比调整电路响应于多个控制信号中的至少一个来调整差分输出信号的占空比,以调整根据通过a输入的差分信号之间的差放大产生的差分输出信号的相位 一对输入端子,以便将调整后的差分输出信号输出到一对输出端子。 信号发生电路响应于占空比调整的差分输出信号输出同相信号和正交相位信号。 该变频装置包括用于混合输入信号与同相信号的第一混频器和用于混合输入信号和正交相位信号的第二混频器。