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1. 发明授权

US08482355B2 Power amplifier 有权
标题翻译：功率放大器
公开(公告)号：US08482355B2
公开(公告)日：2013-07-09
申请号：US13223738
申请日：2011-09-01
申请人： Byeong Hak Jo , Yoo Sam Na , Hyeon Seok Hwang , Moon Suk Jeong , Gyu Suck Kim , Moon Sun Kim
发明人： Byeong Hak Jo , Yoo Sam Na , Hyeon Seok Hwang , Moon Suk Jeong , Gyu Suck Kim , Moon Sun Kim
IPC分类号： H03F1/22
CPC分类号： H03F1/3205 , H03F1/223 , H03F3/211 , H03F2200/108 , H03F2200/18
摘要： There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an amplifying unit formed as a cascode structure between the load unit and a ground, amplifying a power of an input signal input through an input terminal and outputting the amplified signal through an output terminal; and a threshold voltage control unit varying a threshold voltage of the amplifying unit according to a magnitude of the input signal input through the input terminal.
摘要翻译：提供了一种互补金属氧化物半导体（CMOS）功率放大器，包括：连接在工作电压源端子和输出端子之间的负载单元; 放大单元，其形成为负载单元和地之间的共源共栅结构，放大通过输入端输入的输入信号的功率，并通过输出端输出放大的信号; 以及阈值电压控制单元，根据通过输入端子输入的输入信号的大小来改变放大单元的阈值电压。

2. 发明申请

US20070044024A1 DERIVATIVE SUPERPOSITION CIRCUIT FOR LINEARIZATION 失效
标题翻译：用于线性化的衍生超导电路
公开(公告)号：US20070044024A1
公开(公告)日：2007-02-22
申请号：US11428345
申请日：2006-06-30
申请人： YOO SAM NA , BYUNG SUNG KIM , WON JIN BAEK , MOON SUN KIM
发明人： YOO SAM NA , BYUNG SUNG KIM , WON JIN BAEK , MOON SUN KIM
IPC分类号： G06F9/00
CPC分类号： H03F1/3252
摘要： The present invention relates to a derivative superposition circuit for linearization. The derivative superposition circuit for linearization includes a first active element that is provided with first to third terminals and in which the magnitude and direction of current flowing the second terminal to the third terminal changes on the basis of the magnitude of a voltage applied between the first and second terminals; and a second active element that is provided with first to third terminals and has complementary characteristics with the first active element. The first terminals of the first and second active elements are connected to each other so that a predetermined operational bias voltage is maintained by first and second power supplies through a first impedance, and are connected to an input end through a second impedance. The third terminals of the first and second active elements are connected to an output end, and the second terminals of the first and second active elements are connected to the second power supply through a third impedance.
摘要翻译：本发明涉及用于线性化的导数叠加电路。用于线性化的导数叠加电路包括：第一有源元件，其设置有第一至第三端子，并且其中流过第二端子的电流的大小和方向根据施加在第一端子与第三端子之间的电压的大小而变化和第二终端; 以及设置有第一至第三端子并且与第一有源元件具有互补特性的第二有源元件。第一和第二有源元件的第一端子彼此连接，使得通过第一阻抗由第一和第二电源维持预定的操作偏置电压，并且通过第二阻抗连接到输入端。第一和第二有源元件的第三端子连接到输出端，并且第一和第二有源元件的第二端子通过第三阻抗连接到第二电源。

3. 发明申请

US20130057349A1 CMOS POWER AMPLIFIER 有权
标题翻译： CMOS功率放大器
公开(公告)号：US20130057349A1
公开(公告)日：2013-03-07
申请号：US13223738
申请日：2011-09-01
申请人： Byeong Hak JO , Yoo Sam NA , Hyeon Seok HWANG , Moon Suk JEONG , Gyu Suck KIM , Moon Sun KIM
发明人： Byeong Hak JO , Yoo Sam NA , Hyeon Seok HWANG , Moon Suk JEONG , Gyu Suck KIM , Moon Sun KIM
IPC分类号： H03F3/21 , H03F1/22
CPC分类号： H03F1/3205 , H03F1/223 , H03F3/211 , H03F2200/108 , H03F2200/18
摘要： There is provided a complementary metal oxide semiconductor (CMOS) power amplifier including: a load unit connected between an operating voltage supply terminal and an output terminal; an amplifying unit formed as a cascode structure between the load unit and a ground, amplifying a power of an input signal input through an input terminal and outputting the amplified signal through an output terminal; and a threshold voltage control unit varying a threshold voltage of the amplifying unit according to a magnitude of the input signal input through the input terminal.
摘要翻译：提供了一种互补金属氧化物半导体（CMOS）功率放大器，包括：连接在工作电压源端子和输出端子之间的负载单元; 放大单元，其形成为负载单元和地之间的共源共栅结构，放大通过输入端输入的输入信号的功率，并通过输出端输出放大的信号; 以及阈值电压控制单元，根据通过输入端子输入的输入信号的大小来改变放大单元的阈值电压。

4. 发明申请

US20110133834A1 POWER AMPLIFIER 有权
标题翻译：功率放大器
公开(公告)号：US20110133834A1
公开(公告)日：2011-06-09
申请号：US12823772
申请日：2010-06-25
申请人： Byeong Hak JO , Yoo Sam NA , Moon Sun KIM , Yoo Hwan KIM
发明人： Byeong Hak JO , Yoo Sam NA , Moon Sun KIM , Yoo Hwan KIM
IPC分类号： H03G3/20
CPC分类号： H03G3/3042
摘要： There is provided a power amplifier with a variable supply of bias power according to a look-up table having a voltage value determined based on a level of an RF signal being input to the power amplifier to thereby increase power efficiency. A power amplifier according to an aspect of the invention may include an amplification section amplifying an input signal according to a bias voltage being supplied; and a bias supply section comparing a level of the input signal with a look-up table set in advance and supplying a bias voltage to the amplification section according to a result of the comparison.
摘要翻译：根据具有基于输入到功率放大器的RF信号的电平确定的电压值的查找表，提供具有可变偏置电源的功率放大器，从而提高功率效率。根据本发明的一个方面的功率放大器可以包括放大部分，其根据所提供的偏置电压来放大输入信号; 以及偏置电源部，其将输入信号的电平与预先设定的查找表进行比较，并根据比较结果向放大部提供偏置电压。

5. 发明申请

US20110025421A1 STEP VARIABLE GAIN AMPLIFIER 有权
标题翻译： STEP VARIABLE增益放大器
公开(公告)号：US20110025421A1
公开(公告)日：2011-02-03
申请号：US12614279
申请日：2009-11-06
申请人： Moon Sun KIM , Yoo Sam Na
发明人： Moon Sun KIM , Yoo Sam Na
IPC分类号： H03G3/30
CPC分类号： H03G1/0088 , H03F1/32 , H03F3/72 , H03F2200/211 , H03F2200/27 , H03F2200/294 , H03F2200/451 , H03F2203/7206 , H03F2203/7215 , H03F2203/7236 , H03G1/0029
摘要： Disclosed is a step variable gain amplifier for linearly amplifying a signal received from an antenna. The step variable gain amplifier includes: an amplification unit for converting and amplifying a voltage component of a received signal into a current voltage according to a step amplification control signal; a controller for generating a step amplification control signal of the received signal and controlling on/off of the amplification unit according to the control signal; and an output unit connected to the amplification unit, the output unit outputting a voltage component from the signal that has been subjected to conversion into the current component and amplification processes.
摘要翻译：公开了一种用于线性放大从天线接收的信号的步进可变增益放大器。步进可变增益放大器包括：放大单元，用于根据步进放大控制信号将接收信号的电压分量转换和放大为电流电压; 控制器，用于产生接收信号的步长放大控制信号，并根据控制信号控制放大单元的导通/关断; 以及连接到所述放大单元的输出单元，所述输出单元从已经被转换成当前分量的信号和放大处理输出电压分量。

6. 发明申请

US20100294646A1 PHOTOCATALYST, PREPARATION METHOD THEREOF, PHOTO REACTOR, AND PHOTOLYSIS PROCESS 审中-公开
标题翻译：光催化剂，其制备方法，光催化剂和光催化过程
公开(公告)号：US20100294646A1
公开(公告)日：2010-11-25
申请号：US12612731
申请日：2009-11-05
申请人： Moon-Sun KIM , Byung-Woo Kim , Ji-Sun Kim , Hong-Kwan Cho
发明人： Moon-Sun KIM , Byung-Woo Kim , Ji-Sun Kim , Hong-Kwan Cho
IPC分类号： B01J19/12 , B01J31/12 , B01J23/42
CPC分类号： B01J35/004 , B01D53/8687 , B01D2255/1021 , B01D2255/1026 , B01D2255/20707 , B01D2255/802 , B01J21/063 , B01J23/42 , B01J31/1616 , B01J31/182 , B01J31/38 , B01J37/0018 , B01J37/03 , B01J2531/821 , Y02A50/235
摘要： The present invention relates to a photocatalyst comprising a core part containing titanium dioxide, and a doped part formed on surfaces of said core part, containing a ruthenium-based dye and a platinum compound, a preparation method thereof, a photoreactor and a photolysis process. In accordance with the present invention, a photocatalyst having excellent light resistance and photosensitivity capable of removing volatile organic compounds even in poor ultraviolet light conditions, and a preparation method thereof is provided, and a photoreactor comprising said photocatalyst and an efficient photolysis process using the same are also provided.
摘要翻译：本发明涉及一种光催化剂，其包含含有二氧化钛的核心部分和形成在所述核心部分的表面上的掺杂部分，其包含钌基染料和铂化合物，其制备方法，光反应器和光解法。根据本发明，提供了即使在不良的紫外线条件下也能够除去挥发性有机化合物的具有优异的耐光性和光敏性的光催化剂及其制备方法，以及包含所述光催化剂的光反应器和使用该光催化剂的有效光解法也提供。

7. 发明授权

US07663443B2 Active balun circuit 失效
标题翻译：主动平衡 - 不平衡转换电路
公开(公告)号：US07663443B2
公开(公告)日：2010-02-16
申请号：US12197150
申请日：2008-08-22
申请人： Moon Sun Kim , Yoo Sam Na , Hyeon Seok Hwang
发明人： Moon Sun Kim , Yoo Sam Na , Hyeon Seok Hwang
IPC分类号： H03F3/04
CPC分类号： H03H11/32
摘要： There is provided an active balun circuit including: a load circuit unit including a first and a second load; a differential amplifying unit including a first amplifying unit connected to the first load, and a second amplifying unit connected to the second load and forming a differential amplifying unit together with the first amplifying unit, the differential amplifying unit differentially amplifying an input signal, and outputting first and second output signals out-of-phase with each other through first and second output terminals, respectively; a current source connected between a ground and a common connection node of the first and second amplifying units, and maintaining a constant amount of current flowing through the differential amplifying unit; and a compensation amplifying unit amplifying the input signal supplied through the input terminal, transmitting the amplified input signal to the second amplifying unit, and rejecting common mode noise of the differential amplifying unit.
摘要翻译：提供了一种主动平衡 - 不平衡变换电路，包括：负载电路单元，包括第一和第二负载; 差分放大单元，包括连接到第一负载的第一放大单元和连接到第二负载的第二放大单元，与第一放大单元一起形成差分放大单元，差分放大单元对输入信号进行差分放大，并输出第一和第二输出信号分别通过第一和第二输出端子彼此异相; 电流源，连接在所述第一和第二放大单元的接地和公共连接节点之间，并且保持流经所述差分放大单元的恒定电流量; 以及补偿放大单元，放大通过输入端子提供的输入信号，将放大的输入信号发送到第二放大单元，以及拒绝差分放大单元的共模噪声。

8. 发明申请

US20090051440A1 ACTIVE BALUN CIRCUIT 失效
标题翻译：主动BALUN电路
公开(公告)号：US20090051440A1
公开(公告)日：2009-02-26
申请号：US12197150
申请日：2008-08-22
申请人： Moon Sun Kim , Yoo Sam Na , Hyeon Seok Hwang
发明人： Moon Sun Kim , Yoo Sam Na , Hyeon Seok Hwang
IPC分类号： H03F3/45
CPC分类号： H03H11/32
摘要： There is provided an active balun circuit including: a load circuit unit including a first and a second load; a differential amplifying unit including a first amplifying unit connected to the first load, and a second amplifying unit connected to the second load and forming a differential amplifying unit together with the first amplifying unit, the differential amplifying unit differentially amplifying an input signal, and outputting first and second output signals out-of-phase with each other through first and second output terminals, respectively; a current source connected between a ground and a common connection node of the first and second amplifying units, and maintaining a constant amount of current flowing through the differential amplifying unit; and a compensation amplifying unit amplifying the input signal supplied through the input terminal, transmitting the amplified input signal to the second amplifying unit, and rejecting common mode noise of the differential amplifying unit.
摘要翻译：提供了一种主动平衡 - 不平衡变换电路，包括：负载电路单元，包括第一和第二负载; 差分放大单元，包括连接到第一负载的第一放大单元和连接到第二负载的第二放大单元，与第一放大单元一起形成差分放大单元，差分放大单元对输入信号进行差分放大，并输出第一和第二输出信号分别通过第一和第二输出端子彼此异相; 电流源，连接在所述第一和第二放大单元的接地和公共连接节点之间，并且保持流经所述差分放大单元的恒定电流量; 以及补偿放大单元，放大通过输入端子提供的输入信号，将放大的输入信号发送到第二放大单元，以及拒绝差分放大单元的共模噪声。

9. 发明授权

US07525395B2 Step attenuator 有权
标题翻译：阶衰减器
公开(公告)号：US07525395B2
公开(公告)日：2009-04-28
申请号：US12140980
申请日：2008-06-17
申请人： Hyeon Seok Hwang , Yoo Sam Na , Moon Sun Kim , Byeong Hak Jo , Kyoung Seok Park
发明人： Hyeon Seok Hwang , Yoo Sam Na , Moon Sun Kim , Byeong Hak Jo , Kyoung Seok Park
IPC分类号： H01P1/22
CPC分类号： H03H7/25
摘要： There is provided a step attenuator having two Pi-type attenuators and one bridged-T type attenuator that share some resistors. The step attenuator is used to prevent a reduction in frequency range caused by use of MOS transistors and reduce attenuation of signal power and frequency band by the MOS transistors, thereby obtaining a low attenuation value and reducing input and output mismatch.
摘要翻译：提供了具有两个Pi型衰减器和一个共享一些电阻器的一个桥接T型衰减器的阶跃衰减器。步进衰减器用于防止使用MOS晶体管引起的频率范围的降低，并减少MOS晶体管对信号功率和频带的衰减，从而获得低衰减值并降低输入和输出失配。

10. 发明授权

US5660931A Polymeric film with paper-like characteristics 失效
标题翻译：具有纸张特性的聚合物薄膜
公开(公告)号：US5660931A
公开(公告)日：1997-08-26
申请号：US402578
申请日：1995-03-13
申请人： Moon-Sun Kim , Sang-Il Kim , Young-Jin Lee , Bum-Sang Kim , Ju-Ik Son
发明人： Moon-Sun Kim , Sang-Il Kim , Young-Jin Lee , Bum-Sang Kim , Ju-Ik Son
IPC分类号： B29C55/00 , B29C55/12 , B29D7/01 , B29K67/00 , B29L7/00 , C08J5/18 , C08K3/22 , C08K3/26 , C08K3/32 , C08K3/36 , C08K5/00 , C08K5/13 , C08K5/17 , C08K5/353 , C08K5/42 , C08L23/02 , C08L23/06 , C08L23/12 , C08L23/20 , C08L67/00 , C08L67/02 , C08L77/02 , B32B19/00 , C08F20/00
CPC分类号： C08J5/18 , B29D7/01 , C08K3/22 , C08K5/17 , C08K5/42 , C08L67/02 , B29C55/00 , B29K2023/00 , B29K2067/00 , B29K2105/0088 , C08J2367/02 , C08L23/02 , C08L77/02 , Y10T428/29 , Y10T428/2982
摘要： A biaxilly oriented polymer film having improved surface properties, anti-static property and printability is prepared from a mixture of 70 to 99 parts by weight of a polyester resin containing not less than 60% by weight of repeating units of ethylene terephthalate and having an intrinsic viscosity ranging from 0.4 to 0.9 dl/g, and 1 to 30 parts by weight of polyolefin resin having a melting flow index ranging from 1.5 to 25 g/10 min, wherein said polyester film further comprises 0.1 to 25 parts by weight of an inorganic particle.
摘要翻译：具有改善的表面性能，抗静电性能和可印刷性的双轴取向聚合物膜由70至99重量份的含有不少于60重量％的对苯二甲酸乙二醇酯的重复单元和具有本征的聚酯树脂的混合物粘度范围为0.4〜0.9dl / g，熔融流动指数为1.5〜25g / 10min的聚烯烃树脂为1〜30重量份，其中，所述聚酯膜还含有0.1〜25重量份的无机粒子。

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