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    • 23. 发明申请
    • Air Conditioning System Using Dehumidifying Cooling Device
    • 空调系统采用除湿冷却装置
    • US20100154450A1
    • 2010-06-24
    • US11990283
    • 2007-03-08
    • Seok-Mann YoonDae-Young LeeHoon LeeChang-Ku KangSung-Ook Jeong
    • Seok-Mann YoonDae-Young LeeHoon LeeChang-Ku KangSung-Ook Jeong
    • F25B27/00F25B41/00
    • F24F3/14F24F2003/1446Y02E20/14
    • An air conditioning system using for a dehumidifying cooling device has developed that comprising a heating source for producing hot water, a heat exchanger for transferring heat from the hot water to circulating water, a circulation pump for circulating the resulting hot water heated in the heat exchanger, a heating pipeline connected to the circulation pump for conveying the hot water to a heat supply target area, a user heat exchanger connected to the heating pipeline for conveying hot water to the heat supply target area, a dehumidifying cooling device connected to a hot water pipe of users heat exchanger and installed in each household within the heat supply target area, the dehumidifying cooling device removing moisture from the air by using hot water supplied from the hot water pipe to deal with latent heat load and to lower the temperature of the dehumidified air via evaporation of water contained in the air.
    • 已经开发了一种用于除湿冷却装置的空调系统,其包括用于产生热水的加热源,用于将热量从热水转移到循环水的热交换器,用于使得在热交换器中加热的所得热水循环的循环泵 连接到循环泵的加热管道,用于将热水输送到供热目标区域;连接到加热管道的用户热交换器,用于将热水输送到供热目标区域;连接到热水的除湿冷却装置 用户热交换器管道,并安装在供热目标区域内的每个家庭中,除湿冷却装置通过使用从热水管供应的热水来去除空气中的水分,以处理潜热负荷并降低除湿温度 空气通过空气中包含的水蒸发。
    • 27. 发明申请
    • LOOP FILTER, PHASE-LOCKED LOOP, AND METHOD OF OPERATING THE LOOP FILTER
    • 环路滤波器,相位锁定环路和操作环路滤波器的方法
    • US20090115473A1
    • 2009-05-07
    • US12267116
    • 2008-11-07
    • Young-don ChoiHoon Lee
    • Young-don ChoiHoon Lee
    • H03L7/06
    • H03L7/0893H03L7/0891H03L7/093
    • A loop filter capable of controlling a charge sharing point in time, a phase locked loop, and a method of operating the loop filter are provided. The loop filter includes a duty control unit and a variable capacitor unit. The duty control unit generates a duty control clock signal of which an activation section is shorter than an inactivation section, by controlling a duty of an input clock signal. The variable capacitor unit is charged by an input current and has a capacitance that varies according to the duty control clock signal. The variable capacitor unit may include a switch, a first capacitor, and a second capacitor. The switch is turned on or off in response to the duty control clock signal. The first capacitor is serially connected to the switch and charged by the input current when the switch is turned on. The second capacitor is connected in parallel to the switch and the first capacitor and charged by the input current.
    • 提供了能够控制电荷共享时间点的环路滤波器,锁相环以及环路滤波器的操作方法。 环路滤波器包括占空比控制单元和可变电容器单元。 占空比控制部通过控制输入时钟信号的占空比,生成启动部比灭活部短的占空比控制时钟信号。 可变电容器单元由输入电流充电并且具有根据占空比控制时钟信号而变化的电容。 可变电容器单元可以包括开关,第一电容器和第二电容器。 响应于占空比控制时钟信号,开关导通或关断。 当开关打开时,第一个电容器串联连接到开关并由输入电流充电。 第二电容器并联连接到开关和第一个电容器,并由输入电流充电。
    • 30. 发明授权
    • Multi-tone transceiver system using two steps of DMT-CMFB
    • 使用DMT-CMFB两步的多音调收发系统
    • US06690717B1
    • 2004-02-10
    • US09498917
    • 2000-02-04
    • Jung Hak KimTae Whan YooHoon LeeJeong Jin LeeJae Geun Kim
    • Jung Hak KimTae Whan YooHoon LeeJeong Jin LeeJae Geun Kim
    • H04L516
    • H04L5/023H04L27/2634H04L27/264H04L27/265H04M11/062
    • A wideband multi-tone transceiver system interoperable with Asymmetric Digital Subscriber Line (ADSL) transceiver system, and including a two-step transceiver system having a discrete multi-tone transceiver system and a cosine modulated filter bank (CMFB) transmultiplexer. The two-step transceiver system provides a physically transparent transmission channel to each sub-band signal by minimizing the interference between sub-bands regardless of the transmission channel characteristics. The two-step transceiver system is realized with a comparably simple structure, and the circuit size is drastically reduced by sharing the FFT function with other sub-channels with the maximal utilization of the high-speed circuit when realizing each sub-channel's DMT modulation and demodulation function.
    • 一种与非对称数字用户线(ADSL)收发器系统可互操作的宽带多音收发器系统,包括具有离散多音收发器系统和余弦调制滤波器组(CMFB)多路复用器的两步收发器系统。 两步收发器系统通过最小化子带之间的干扰而不管传输信道特性如何,为每个子带信号提供物理透明的传输信道。 两级收发器系统采用比较简单的结构实现,通过在实现每个子通道的DMT调制时与高速电路的最大利用率与其他子通道共享FFT功能,大大降低了电路尺寸, 解调功能。