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    • 5. 发明授权
    • Apparatus and method for detecting impulse signal and impulse sequence
    • 用于检测脉冲信号和脉冲序列的装置和方法
    • US08335289B2
    • 2012-12-18
    • US12760812
    • 2010-04-15
    • Young Jin ParkSoon Woo LeeJi Myung KangKwan Ho Kim
    • Young Jin ParkSoon Woo LeeJi Myung KangKwan Ho Kim
    • H04L27/06
    • H04B1/7183
    • Disclosed herein is an apparatus and method for detecting an impulse signal or impulse sequence to realize wireless real-time location system application in a multipath fading environment. The apparatus includes a band-pass filter, an RF analog unit, and a signal processing base-band unit. The band-pass filter removes unnecessary frequency bands from impulse signals received through a receiving antenna. The RF analog unit detects the envelope of the impulse sequence deprived of the unnecessary frequency bands and based on a multipath, and outputs a digital signal regarding the envelope based on a leading edge of the envelope. The signal processing base-band unit performs low-speed 1-bit sampling and then output data, and, if frame synchronization has been found or a ranging command has been detected, performs high-speed 1-bit sampling and then calculates and outputs the propagation time of the impulse signals.
    • 本文公开了一种用于检测脉冲信号或脉冲序列以在多径衰落环境中实现无线实时定位系统应用的装置和方法。 该装置包括带通滤波器,RF模拟单元和信号处理基带单元。 带通滤波器从通过接收天线接收的脉冲信号中去除不必要的频带。 RF模拟单元检测被剥夺不必要频带的脉冲序列的包络,并且基于多路径,并且基于信封的前沿输出关于信封的数字信号。 信号处理基带单元执行低速1位采样,然后输出数据,如果已经发现帧同步或检测到测距命令,则执行高速1位采样,然后计算并输出 脉冲信号的传播时间。
    • 9. 发明授权
    • Display apparatus and method of assembling the same
    • 显示装置及其组装方法
    • US07887210B2
    • 2011-02-15
    • US12559270
    • 2009-09-14
    • Kwan-Ho Kim
    • Kwan-Ho Kim
    • F21V33/00
    • G02F1/13452G02F2001/133322G02F2001/133325H05K1/118H05K3/361H05K2201/053H05K2201/10136H05K2201/10681H05K2201/2027
    • In a display apparatus and a method of assembling the display apparatus according to one or more embodiments, a printed circuit board is electrically connected to a lower end of a display panel and disposed in a rear surface of a container. A flexible printed circuit board is contained in the container, and light sources are mounted on the flexible printed circuit board. A connection film electrically connecting the printed circuit board and the flexible printed circuit board is disposed on a bottom portion of the container, and one end of the connection film passes through a fixing hole formed through the bottom portion. The one end of the connection film is electrically connected to the printed circuit board disposed in the rear surface. Thus, movement of the connection film may be limited by an inner wall defining the fixing hole.
    • 在根据一个或多个实施例的显示装置和组装显示装置的方法中,印刷电路板电连接到显示面板的下端并且设置在容器的后表面中。 容器中容纳有柔性印刷电路板,并且在柔性印刷电路板上安装光源。 将电连接印刷电路板和柔性印刷电路板的连接膜设置在容器的底部,连接膜的一端穿过底部形成的固定孔。 连接膜的一端电连接到设置在后表面的印刷电路板。 因此,连接膜的移动可以由限定固定孔的内壁限制。
    • 10. 发明授权
    • Impulse radio-based ultra wideband (IR-UWB) system using 1-bit digital sampler and bit decision window
    • 基于脉冲无线电的超宽带(IR-UWB)系统使用1位数字采样器和位决策窗口
    • US07822161B2
    • 2010-10-26
    • US11805239
    • 2007-05-22
    • Soon Woo LeeKwan Ho KimYoung Jin ParkWon Tae LeeHae Soo Park
    • Soon Woo LeeKwan Ho KimYoung Jin ParkWon Tae LeeHae Soo Park
    • H04L7/00
    • H04L7/0337H04B1/71632H04B1/71635H04B1/71637H04L7/048H04W56/0085Y02D70/10
    • An impulse radio-based ultra wideband communication system, using an ultra wideband impulse and a 1-bit high-speed digital sampler, includes a transmitting RF module, a receiving RF module, a signal recovery unit, a transmitting signal processor, a receiving signal processor, and an ultra wideband antenna. The transmitting RF module includes an integrated impulse generator capable of implementing on-off-keying modulation and pulse position modulation, and an amplifier for amplifying output of the integrated impulse generator. The receiving RF module includes a two stage envelope detector for detecting a received signal and a comparator for converting the detected signal into a rectangular pulse. The signal recovery unit restores the signal from the receiving RF module to a digital signal using the 1-bit digital sampler. The signal processor includes a receiving signal processor for synchronizing the digital signal and decoding the detected signal. The ultra wideband antenna transmits and receives an ultra wideband signal.
    • 使用超宽带脉冲和1位高速数字采样器的基于脉冲无线电的超宽带通信系统包括发射RF模块,接收RF模块,信号恢复单元,发射信号处理器,接收信号 处理器和超宽带天线。 发射RF模块包括能够实现开关键调制和脉冲位置调制的集成脉冲发生器和用于放大积分脉冲发生器的输出的放大器。 接收RF模块包括用于检测接收信号的两级包络检测器和用于将检测到的信号转换成矩形脉冲的比较器。 信号恢复单元使用1位数字采样器将信号从接收RF模块恢复到数字信号。 信号处理器包括用于使数字信号同步并解码检测信号的接收信号处理器。 超宽带天线发射和接收超宽带信号。