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    • 2. 发明申请
    • METHOD OF MANUFACTURING INERTIAL SENSOR
    • 制造传感器的方法
    • US20120267825A1
    • 2012-10-25
    • US13184564
    • 2011-07-17
    • Sung Jun LEEWon Kyu JEUNG
    • Sung Jun LEEWon Kyu JEUNG
    • B29C70/00
    • G01C19/56B81B2201/025B81C1/00182B81C2201/0108B81C2201/0187G01P15/0802G01P15/09
    • The method of manufacturing an inertial sensor includes: (A) disposing a first mold 120 and a second mold 125 on both surfaces of a predetermined region R in a plate-shaped membrane 110, (B) forming a mass body 130, a post 140, and an upper cap 150 through a plating process or a filling process, (C) disposing a third mold 160 on an exposed surface of the first mold 120 and the mass body 130, and (D) forming a lower cap 170 through the plating process or the filling process. Since the mass body 130 is made of metal by a plating process or a filling process, the density of the mass body 130 may be increased and the mass body 130 may be formed to have a structure of a high aspect ratio, thereby improving the sensitivity of the inertial sensor 100.
    • 惯性传感器的制造方法包括:(A)在板状膜110中的规定区域R的两面上设置第一模具120和第二模具125,(B)形成质量体130,柱140 ,以及通过电镀处理或填充处理的上盖150,(C)在第一模具120和质量体130的暴露表面上设置第三模具160,以及(D)通过电镀形成下盖170 过程或填充过程。 由于质量体130通过电镀处理或填充处理由金属制成,因此可以增加质量体130的密度,并且可以将质量体130形成为具有高纵横比的结构,从而提高灵敏度 的惯性传感器100。
    • 7. 发明申请
    • METHOD OF MEASURING ERROR VECTOR MAGNITUDE
    • 测量误差矢量的方法
    • US20130142236A1
    • 2013-06-06
    • US13614130
    • 2012-09-13
    • Sung Jun LEEYOUNG-HOON KIMJAE HO JUNG
    • Sung Jun LEEYOUNG-HOON KIMJAE HO JUNG
    • H04B17/00
    • H04L25/0232H04B17/21H04L5/0048
    • A method of checking an error vector magnitude of transmitter in accordance with some embodiments of the inventive concept may include dividing a transmission baseband signal which the transmitter transmits into a plurality of processing units; performing a transmitter function and an ideal receiver function with respect to each of the plurality of processing units; generating a reception baseband signal by recombining a processing result of each of the plurality of processing units; and calculating an error vector magnitude (EVM) by comparing the transmission baseband signal with the reception baseband signal.A simplified method of checking an error vector magnitude of transmitter in accordance with some embodiments of the inventive concept may include generating symbols composed of only pilots; generating symbol composed of only data; and checking an error vector magnitude (EVM) using the all the symbols.
    • 根据本发明构思的一些实施例的检查发射机的误差向量幅度的方法可以包括将发射机发送的发射基带信号划分成多个处理单元; 针对所述多个处理单元中的每一个执行发送功能和理想的接收功能; 通过重新组合多个处理单元中的每一个的处理结果来产生接收基带信号; 以及通过将所述发送基带信号与所述接收基带信号进行比较来计算误差向量幅度(EVM)。 根据本发明构思的一些实施例,检查发射机的误差矢量幅度的简化方法可以包括产生仅由导频组成的符号; 生成仅由数据组成的符号; 并使用所有符号检查误差矢量幅度(EVM)。
    • 8. 发明申请
    • ELECTRIC CURLING IRON
    • 电动修整铁
    • US20120138081A1
    • 2012-06-07
    • US13368800
    • 2012-02-08
    • Sung Jun LEE
    • Sung Jun LEE
    • A45D1/04
    • A45D1/04A45D1/06
    • Disclosed therein is an electric curling iron. The electric curling iron includes: a body part; a heating rod arranged at a side of the body part and having a heat ray heater disposed therein; an upper handle and a lower handle hinge-coupled on a hinge shaft formed at the other side of the body part, the upper and lower handles being movable in a tong shape; and an upper pressing member and a lower pressing member whose end portions are respectively overlapped and hinge-coupled to front ends of the inner faces of the upper and lower handles, the upper and lower pressing members respectively having a shape corresponding to the outer circumferential surface of the heating rod, wherein the upper and lower pressing members are opened wider than the upper and lower handles, so that a user can rapidly and convenient do hair styling.
    • 其中公开了电动卷发器。 电动卷发器包括:身体部位; 设置在身体部分的一侧并具有放置在其中的热射线加热器的加热棒; 上手柄和下手柄,铰链联接在形成在主体部分另一侧的铰链轴上,上手柄和下手柄可以钳形运动; 以及上部按压构件和下部按压构件,其端部分别重叠并铰接于上部和下部手柄的内表面的前端,上部和下部按压构件分别具有与外周表面相对应的形状 的上部和下部按压构件比上部和下部手柄开口更宽,从而用户可以快速方便地进行头发造型。
    • 9. 发明申请
    • AMPLIFIER STRUCTURE AND AMPLIFICATION METHOD THEREOF
    • 放大器结构及其放大方法
    • US20120161864A1
    • 2012-06-28
    • US13335481
    • 2011-12-22
    • Sung Jun LEEJae Ho JUNG
    • Sung Jun LEEJae Ho JUNG
    • H03F3/217H03F3/38
    • H03F3/24H03F3/217H03F2200/331
    • Provided is an amplifier structure. The amplifier structure includes a delta-sigma modulator, an up converter, a power amplifier, and a band-pass filter. The delta-sigma modulator receives an IF signal to delta-sigma modulate the IF signal. The up converter up-converts a frequency of the delta-sigma modulated signal with an LO signal. The power amplifier amplifies a power of the up-converted signal. The band-pass filter filters the amplified signal of a selected band. The amplifier structure performs the delta-sigma modulation operation on an IF input signal, and thus can considerably decrease a delta-sigma modulation operation speed compared to a typical amplifier structure and moderate the specification in implementing a power amplifier.
    • 提供了放大器结构。 放大器结构包括Δ-Σ调制器,上变频器,功率放大器和带通滤波器。 Δ-Σ调制器接收IF信号到Δ-Σ调制IF信号。 上变频器用LO信号上变频Δ-Σ调制信号的频率。 功率放大器放大上变频信号的功率。 带通滤波器对所选频带的放大信号进行滤波。 放大器结构对IF输入信号执行Δ-Σ调制操作,因此与典型的放大器结构相比可以显着地降低Δ-Σ调制操作速度,并适度实现功率放大器的规范。