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    • 5. 发明授权
    • Hair brush for hot curling
    • 毛刷烫发
    • US08196592B2
    • 2012-06-12
    • US12832969
    • 2010-07-08
    • Jin Ho Choi
    • Jin Ho Choi
    • A45D6/02A45D24/16
    • A46B17/00A45D20/52A45D24/16A46B13/005A46B2200/104
    • A hair brush for hot curling includes a body, a closing cap, a connection member and a brush part. The body made of ceramic coated aluminum includes holes through which a steel teeth of the brush part protrudes. The closing cap engages with the body formed by assembling segmented portions. The connection member for connecting the segmented portions of the body includes a body part and an insertion groove to which the body is inserted. The brush part includes a handle part and a fastening part, a first end of which is connected to the handle part and a second end is engaged with one end of the assembled body. An iron core is formed by twisting two or more wires, one end of which is securely engaged within the fastening part, a plurality of the steel teeth being formed on the iron core in a circumferential direction thereof.
    • 用于热卷曲的毛刷包括主体,封闭盖,连接构件和刷部。 由陶瓷涂层铝制成的主体包括刷部的钢齿突出的孔。 封闭盖与通过组装分段部分形成的主体接合。 用于连接主体的分段部分的连接构件包括主体部分和插入主体的插入槽。 刷部分包括手柄部分和紧固部分,其第一端连接到手柄部分,并且第二端部与组装体的一端接合。 铁芯通过将两根或多根线材扭曲而形成,其中一根线材牢固地接合在紧固部件内,多个钢齿沿铁芯沿圆周方向形成。
    • 8. 发明授权
    • Adaptive beamforming method in an IMT-2000 system
    • IMT-2000系统中的自适应波束成形方法
    • US06380892B1
    • 2002-04-30
    • US09540986
    • 2000-03-31
    • Jin Ho ChoiHee Gul ParkYoon Oh Yang
    • Jin Ho ChoiHee Gul ParkYoon Oh Yang
    • H01Q324
    • H01Q3/2605
    • An adaptive beamforming apparatus and method of an array antenna in a communication system. First, a tentative symbol decision value is obtained by processing a traffic signal vector, and a final updated coefficient value is obtained by performing a least mean square (LMS) algorithm at least once with respect to the tentative symbol decision value and a pilot signal vector on the assumption that the tentative symbol decision value is a transmitted symbol value. Then an adaptive beam which corresponds to a final symbol decision value is formed using the traffic signal vector and the final updated coefficient value.
    • 一种通信系统中的阵列天线的自适应波束成形装置和方法。 首先,通过处理交通信号矢量获得暂定符号判定值,并且通过相对于暂定符号判定值至少一次执行最小均方(LMS)算法和导频信号矢量来获得最终更新系数值 假设假定符号判定值是发送符号值。 然后使用交通信号矢量和最终更新的系数值形成对应于最终符号判定值的自适应波束。
    • 9. 发明授权
    • Digital-to-analog converter for display device
    • 用于显示设备的数模转换器
    • US08344978B2
    • 2013-01-01
    • US12222379
    • 2008-08-07
    • Sang Suk KimJin Ho Choi
    • Sang Suk KimJin Ho Choi
    • G09G3/36H03M1/66
    • G09G3/20G09G2330/028
    • A digital-to-analog converter (DAC) for a display device is provided. The DAC includes an amplifier and a current decoder. The amplifier receives a gradation voltage with respect to upper bits in data of k bits through a non-inverting input terminal, and varies the input gradation voltage according to a voltage applied to an inverting input terminal. The current decoder allows a predetermined constant current to flow therethrough according to input data of lower bits, which do not include the upper bits, to thereby vary the voltage applied to the inverting input terminal. The current decoder further adjusts the gradation voltage outputted by the amplifier according to the varied voltage.
    • 提供了一种用于显示设备的数模转换器(DAC)。 DAC包括放大器和电流解码器。 放大器通过非反相输入端子接收关于k位数据中的高位的灰度电压,并且根据施加到反相输入端子的电压来改变输入灰度电压。 当前的解码器允许预定的恒定电流根据不包括高位的较低位的输入数据流过,从而改变施加到反相输入端的电压。 电流解码器还根据变化的电压进一步调节放大器输出的灰度电压。
    • 10. 发明授权
    • Hair clip
    • 发夹
    • US08240318B2
    • 2012-08-14
    • US12841143
    • 2010-07-21
    • Jin Ho Choi
    • Jin Ho Choi
    • A45D8/20
    • A45D8/20A45D8/24
    • A hair clip is provided. An upper clip includes a first body, a first pressing unit for separating the upper clip and a lower clip, and a first bracket having a first through hole. The lower clip includes a second body, a second pressing unit configured to separate the upper clip and the lower clip when a clamping force is applied thereto, and a second bracket having a second through hole, the second bracket being positioned on an upper portion of the second pressing unit of the lower clip. A fixing member having an elasticity has a first end coupled with the first body of the upper clip and a second end coupled with the first pressing unit of the upper clip. The spring provides an elastic force while pressing the upper clip. The hinge connects the upper and lower clips with the spring.
    • 提供发夹。 上夹具包括第一本体,用于分离上夹子和下夹子的第一按压单元和具有第一通孔的第一托架。 下夹具包括第二本体,第二按压单元,其构造成当施加夹紧力时分离上夹子和下夹子;以及第二托架,其具有第二通孔,第二托架位于 下夹具的第二按压单元。 具有弹性的固定构件具有与上夹子的第一主体相结合的第一端和与上夹子的第一按压单元联接的第二端。 弹簧在按压上夹子的同时提供弹力。 铰链将弹簧上下夹子连接起来。