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28 条记录 (耗时 0.034 秒)

    Current detecting circuit using pulse transformer
    11.
    发明授权
    Current detecting circuit using pulse transformer 失效
    电流检测电路采用脉冲变压器

    公开(公告)号：US5235224A

    公开(公告)日：1993-08-10

    申请号：US780777

    申请日：1991-10-23

    申请人： Hyo Gyu Kim ,  Dong Il Kim

    发明人： Hyo Gyu Kim ,  Dong Il Kim

    IPC分类号： G01R15/18 ,  G01R19/00 ,  G01R19/18 ,  H03K17/16 ,  H03K17/61

    CPC分类号： G01R15/18 ,  H03K17/16 ,  H03K17/61

    摘要： A detecting circuit is provided with at least one transformer, in which a first transformer is connected at its primary winding to an input power source and has two windings at its output portion to control the operation of two transistors respectively mounted in two switching portions in turn, the detecting resistor is coupled to the first transformer to detect a changing amount of current applied to a load, and a second transformer is provided with two input windings having a tap connected to the resistor and two output windings facing to the input windings, thereby outputting the signals isolated from the ground.

    摘要翻译： 检测电路设置有至少一个变压器，其中第一变压器在其初级绕组处连接到输入电源，并且在其输出部分具有两个绕组，以依次控制分别安装在两个开关部分中的两个晶体管的操作 检测电阻器耦合到第一变压器以检测施加到负载的电流的变化量，并且第二变压器设置有具有连接到电阻器的抽头和面向输入绕组的两个输出绕组的两个输入绕组，由此 输出从地面隔离的信号。

    Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof
    14.
    发明授权
    Poly(arylene ether) copolymer having cation-exchange group, process of manufacturing the same, and use thereof 有权
    具有阳离子交换基团的聚（亚芳基醚）共聚物，其制造方法及其用途

    公开(公告)号：US08470955B2

    公开(公告)日：2013-06-25

    申请号：US13307832

    申请日：2011-11-30

    申请人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee

    发明人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee

    IPC分类号： C08G8/02

    CPC分类号： C08J5/2256 ,  C08G65/4037 ,  C08G65/48 ,  C08G75/23 ,  C08J2365/02 ,  C08J2481/06

    摘要： The present invention relates to a poly(arylene ether) copolymer having a cation exchange group, a method for manufacturing the same, and use thereof. The poly(arylene ether) copolymer having the cation exchange group according to the present invention has excellent physical characteristics, ion exchanging capacity, metal ion adsorption capacity and a processability, and thus can be molded in various shapes and can be extensively applied to various fields such as recovering of organic metal, air purification, catalysts, water treatment, medical fields and separating of proteins.

    摘要翻译： 本发明涉及具有阳离子交换基团的聚（亚芳基醚）共聚物，其制造方法及其用途。 具有本发明的阳离子交换基团的聚（亚芳基醚）共聚物具有优异的物理特性，离子交换能力，金属离子吸附能力和加工性，因此可以成型为各种形状，可广泛应用于各种领域 如有机金属的回收，空气净化，催化剂，水处理，医疗领域和蛋白质的分离。

    Liquid crystal display and driving method thereof
    17.
    发明授权
    Liquid crystal display and driving method thereof 有权
    液晶显示及其驱动方法

    公开(公告)号：US07932884B2

    公开(公告)日：2011-04-26

    申请号：US12003585

    申请日：2007-12-28

    申请人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong Il Kim ,  Su Hyuk Jang

    发明人： Hong Sung Song ,  Woong Ki Min ,  Byung Jin Choi ,  Dong Il Kim ,  Su Hyuk Jang

    IPC分类号： G09G3/36

    CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2310/0205 ,  G09G2310/0224 ,  G09G2310/0248 ,  G09G2310/0251 ,  G09G2310/027 ,  G09G2310/08 ,  G09G2320/0204 ,  G09G2320/0247 ,  G09G2320/048 ,  G09G2320/0613 ,  G09G2320/103 ,  G09G2330/023

    摘要： A liquid crystal display device includes a liquid crystal display panel including a plurality of data lines to which a data voltage is supplied, a plurality of gate lines to which a gate pulse is supplied, and a plurality of liquid crystal cells, a data drive circuit to invert a polarity of the data voltage in response to a polarity control signal and to output the data voltage to the data lines in response to a source output enable signal, a gate drive circuit to supply the gate pulse to the gate lines, and a POL/SOE logic circuit to invert the polarity control signal for every frame period except at Nth-multiple frame period (where N is a positive integer), wherein the POL/SOE logic circuit controls the polarity control signal at every Nth-multiple frame period such that the polarity of the data voltage is the same as the previous frame period and controls a pulse width of the source output enable signal at every Nth-multiple frame period to be longer than for the other frame periods.

    摘要翻译： 一种液晶显示装置，包括：液晶显示面板，包括提供数据电压的多条数据线，提供栅极脉冲的多条栅极线，以及多个液晶单元，数据驱动电路 响应于极性控制信号反转数据电压的极性，并且响应于源极输出使能信号而将数据电压输出到数据线，栅极驱动电路将栅极脉冲提供给栅极线，以及 POL / SOE逻辑电路，用于在第N个多个帧周期（其中N为正整数）之外的每个帧周期反转极性控制信号，其中POL / SOE逻辑电路在每N个多个帧周期控制极性控制信号 使得数据电压的极性与前一帧周期相同，并且在每N个多个帧周期控制源输出使能信号的脉冲宽度比其他帧周期长 。

    Supported Catalyst For Fuel Cell, Method Of Preparing The Same, Electrode For Fuel Cell Including The Supported Catalyst, Membrane Electrode Assembly Including The Electrode, And Fuel Cell Including The Membrane Electrode Assembly
    18.
    发明申请
    Supported Catalyst For Fuel Cell, Method Of Preparing The Same, Electrode For Fuel Cell Including The Supported Catalyst, Membrane Electrode Assembly Including The Electrode, And Fuel Cell Including The Membrane Electrode Assembly 有权
    用于燃料电池的负载催化剂，其制备方法，包括负载催化剂的燃料电池用电极，包括电极的膜电极组件和包括膜电极组件的燃料电池

    公开(公告)号：US20090042089A1

    公开(公告)日：2009-02-12

    申请号：US11782469

    申请日：2007-07-24

    申请人： Dong Woong Choi ,  Dong Hwal Lee ,  Dong Il Kim

    发明人： Dong Woong Choi ,  Dong Hwal Lee ,  Dong Il Kim

    IPC分类号： H01M4/02

    CPC分类号： H01M4/9016 ,  H01M4/8652 ,  H01M4/8663 ,  H01M4/9083 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095

    摘要： Provided are a supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, a membrane electrode assembly including the electrode, and a fuel cell including the membrane electrode assembly. Specifically, the supported catalyst for a fuel cell has a layered structure obtained by sequentially depositing a carbonaceous support, metal oxide particles, and catalyst metal. The supported catalyst has excellent electrical activity, excellent durability, and can be easily mass-produced at low cost. The membrane electrode assembly including the supported catalyst and a fuel cell including the membrane electrode assembly each show excellent output density and high performance.

    摘要翻译： 提供了一种用于燃料电池的载体催化剂，其制备方法，包括负载催化剂的燃料电池用电极，包括电极的膜电极组件和包括该膜电极组件的燃料电池。 具体地，用于燃料电池的载体催化剂具有通过依次沉积碳质载体，金属氧化物颗粒和催化剂金属而获得的层状结构。 负载催化剂具有优异的电活性，优异的耐久性，并且可以容易地以低成本批量生产。 包括负载催化剂的膜电极组件和包括膜电极组件的燃料电池均显示出优异的输出密度和高性能。

    Polyarlene-based polymer, preparation method for the same, and polymer electrolyte membrane for fuel cell using the polymer
    19.
    发明授权
    Polyarlene-based polymer, preparation method for the same, and polymer electrolyte membrane for fuel cell using the polymer 有权
    聚烯烃系聚合物及其制备方法以及使用聚合物的燃料电池用聚合物电解质膜

    公开(公告)号：US08420767B2

    公开(公告)日：2013-04-16

    申请号：US13315976

    申请日：2011-12-09

    申请人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee ,  Jang-Bae Son

    发明人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee ,  Jang-Bae Son

    IPC分类号： C08G8/02

    CPC分类号： C08J5/2256 ,  C08J5/22 ,  C08J2365/02

    摘要： Disclosed herein is a polyarylene-based polymer, a preparation method for the same, and a polymer electrolyte membrane for fuel cell using the polymer. The polyarylene-based polymer, which is designed to have long side chains of a hydrophilic moiety and dense sulfonic acid groups, may improve the formation of ion channels when fabricating a polymer membrane and also ensures good chemical stability of the hydrophilic moiety and good dimensional stability against water. Further, the preparation method of the present invention simplifies production of the polymer, and polymer electrolyte membranes using the polymer exhibits improved properties as a polymer electrolyte membrane for a fuel cell, such as high proton conductivity, even under an atmosphere of low water uptake, and good dimensional stability against a long-term exposure to water.

    摘要翻译： 本文公开了聚亚芳基系聚合物及其制备方法以及使用该聚合物的燃料电池用聚合物电解质膜。 设计为具有亲水部分长链侧链和致密磺酸基的聚亚芳基基聚合物可以在制备聚合物膜时改善离子通道的形成并且还确保亲水部分的良好化学稳定性和良好的尺寸稳定性 反对水。 此外，本发明的制造方法简化了聚合物的制造，即使在低吸水气氛下，使用该聚合物的高分子电解质膜也表现出作为燃料电池用聚合物电解质膜的高质子传导性， 并且对长期暴露在水中的尺寸稳定性良好。

    POLYARYLENE-BASED POLYMER, PREPARATION METHOD FOR THE SAME, AND POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL USING THE POLYMER
    20.
    发明申请
    POLYARYLENE-BASED POLYMER, PREPARATION METHOD FOR THE SAME, AND POLYMER ELECTROLYTE MEMBRANE FOR FUEL CELL USING THE POLYMER 有权
    基于聚合物的聚合物，其制备方法和使用聚合物的燃料电池的聚合物电解质膜

    公开(公告)号：US20120309857A1

    公开(公告)日：2012-12-06

    申请号：US13315976

    申请日：2011-12-09

    申请人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee ,  Jang-Bae Son

    发明人： Inchul Hwang ,  Nak Hyun Kwon ,  Young Taek Kim ,  Dong Il Kim ,  Ju Ho Lee ,  Jang-Bae Son

    IPC分类号： C08J5/22 ,  C08G65/48 ,  C08G75/23

    CPC分类号： C08J5/2256 ,  C08J5/22 ,  C08J2365/02

    摘要： Disclosed herein is a polyarylene-based polymer, a preparation method for the same, and a polymer electrolyte membrane for fuel cell using the polymer. The polyarylene-based polymer, which is designed to have long side chains of a hydrophilic moiety and dense sulfonic acid groups, may improve the formation of ion channels when fabricating a polymer membrane and also ensures good chemical stability of the hydrophilic moiety and good dimensional stability against water. Further, the preparation method of the present invention simplifies production of the polymer, and polymer electrolyte membranes using the polymer exhibits improved properties as a polymer electrolyte membrane for a fuel cell, such as high proton conductivity, even under an atmosphere of low water uptake, and good dimensional stability against a long-term exposure to water.

    摘要翻译： 本文公开了聚亚芳基系聚合物及其制备方法以及使用该聚合物的燃料电池用聚合物电解质膜。 设计为具有亲水部分长链侧链和致密磺酸基的聚亚芳基基聚合物可以在制备聚合物膜时改善离子通道的形成并且还确保亲水部分的良好化学稳定性和良好的尺寸稳定性 反对水。 此外，本发明的制造方法简化了聚合物的制造，即使在低吸水气氛下，使用该聚合物的高分子电解质膜也表现出作为燃料电池用聚合物电解质膜的高质子传导性， 并且对长期暴露在水中的尺寸稳定性良好。