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    • 3. 发明授权
    • Apparatus and method for performing attenuation function in cable broadcast receiver
    • 在有线广播接收机中执行衰减功能的装置和方法
    • US08238857B2
    • 2012-08-07
    • US12645808
    • 2009-12-23
    • Sang-Yeon MoonGeun-Sik YunDong-Uk SeoSung-Soo LeeHyun-Jun Kim
    • Sang-Yeon MoonGeun-Sik YunDong-Uk SeoSung-Soo LeeHyun-Jun Kim
    • H04B17/02
    • H03G3/3052
    • An apparatus and a method for performing an attenuation function on a signal using an attenuator in a cable broadcast receiver having a Low Noise Amplifier (LNA) that does not perform an attenuation function on a signal are provided. In the method, an input Radio Frequency (RF) signal is tuned, The RF signal is converted into an Intermediate Frequency (IF) signal. An intensity of the converted IF signal is compared to a threshold, and an RF Automatic Gain Control (AGC) value is generated based on a result of the comparison. When the generated RF AGC value is smaller than an RF AGC threshold, the attenuator is turned on to attenuate the input RF signal by a predefined amount. Therefore, a high SNR, such as in an analog-digital composite signal, may be obtained without using an LNA that performs an attenuation function on a signal.
    • 提供一种用于在具有不对信号执行衰减功能的低噪声放大器(LNA)的有线广播接收机中使用衰减器对信号执行衰减功能的装置和方法。 在该方法中,调谐输入射频(RF)信号,将RF信号转换成中频(IF)信号。 将转换的IF信号的强度与阈值进行比较,并且基于比较的结果生成RF自动增益控制(AGC)值。 当所生成的RF AGC值小于RF AGC阈值时,衰减器导通,以将输入RF信号衰减预定量。 因此,可以在不使用对信号执行衰减功能的LNA的情况下获得诸如模拟数字复合信号中的高SNR。
    • 4. 发明申请
    • Universal power supply apparatus
    • 通用电源设备
    • US20060163948A1
    • 2006-07-27
    • US10564613
    • 2004-04-20
    • Hyun-Jun KimDae-Young Youn
    • Hyun-Jun KimDae-Young Youn
    • H02J1/10
    • H01R13/6675H01R13/6691H01R24/28H01R29/00H01R31/065H01R2103/00H02J7/0042H02M1/10Y10T307/305
    • The present invention relates to an universal power supply apparatus wherein the power suitable for various kinds of portable electronic devices having different shapes and voltages of power input terminals is selectively supplied, and a power supply apparatus wherein a supplied voltage can be changed with only selection of a tip suitable for a portable electronic device. The power supply apparatus of the present invention includes a main unit having an electronic circuit for converting a received voltage, a cable, and a tip having a select pin. According to the present invention, as a desired power supply voltage is automatically adjusted by selecting a proper tip according to a subject electronic device, a manufacture cost is reduced. Further, as the power supply apparatus of the present invention can be used for various kinds of portable electronic devices by exchanging a tip, its operation is very easy.
    • 本发明涉及一种通用电源装置,其中选择性地提供适用于具有不同形状和电压的电力输入端子的各种便携式电子设备的电力,以及电源装置,其中可以仅通过选择 适用于便携式电子设备的尖端。 本发明的电源装置包括具有用于转换接收电压的电子电路,电缆和具有选择引脚的尖端的主单元。 根据本发明,通过根据主体电子设备选择适当的尖端来自动调整期望的电源电压,从而降低了制造成本。 此外,由于本发明的电源装置可以通过更换尖端而用于各种便携式电子设备,所以其操作非常容易。
    • 10. 发明授权
    • Wrist watch type mobile terminal
    • 腕表型手机终端
    • US08275327B2
    • 2012-09-25
    • US12611801
    • 2009-11-03
    • Kyung-Hack YiHyun-Jun KimMan-Su ShinAn-Sun Hyun
    • Kyung-Hack YiHyun-Jun KimMan-Su ShinAn-Sun Hyun
    • H04B5/02
    • G04G21/04G04G9/0064
    • The present invention relates to a wrist watch type mobile terminal, and may include a conductive metal housing connected with a band or strap to be worn on a human body, and formed to be operable as an antenna at a specific bandwidth, a wireless communication module configured to process a signal transmitted and/or received by the housing, and a feeding portion configured to electrically connect the metal housing with the wireless communication module. The metal housing thereof may function as an antenna transmitting and/or receiving a specific bandwidth, and thus has an advantage of facilitating the implementation of the wireless performance and improving the appearance thereof, compared to a case in which an antenna is disposed within the housing having a small and limited size.
    • 手表型移动终端技术领域本发明涉及手表型移动终端,并且可以包括与要穿戴在人体上的带或带相连的导电金属外壳,并形成为可以以特定带宽工作的天线,无线通信模块 被配置为处理由所述壳体传输和/或接收的信号;以及馈送部分,被配置为将所述金属外壳与所述无线通信模块电连接。 其金属壳体可以作为发送和/或接收特定带宽的天线起作用,因此与天线设置在壳体内的情况相比,具有促进无线性能的实现和改善其外观的优点 具有小而有限的尺寸。