公开(公告)号：US20120219879A1

公开(公告)日：2012-08-30

申请号：US13498233

申请日：2009-09-24

Applicant: Jin Hu ,  Olaf Conrad

Inventor： Jin Hu ,  Olaf Conrad

IPC: H01M8/10

CPC classification number: H01M8/103 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1041 ,  H01M8/1048 ,  H01M8/1081 ,  H01M8/1086 ,  H01M2300/0082 ,  Y02P70/56

Abstract: Use of a proton exchange membrane M in proton exchange membrane fuel cells, wherein the membrane M comprises a blend of (I) at least one polybenzimidazole polymer PBI which comprises, in polymerized form, at least 90 mol-% monomeric units U of formula (I) and/or (II), based on the total amount of monomeric units of the polybenzimidazole polymer PBI, wherein Y is a substituted element selected from O and S; or Y is a single carbon-carbon bond; Z is selected from the group consisting of divalent C1-C10 alkanediyl; divalent C2-C10 alkenediyl; divalent C6-C15 aryl; divalent C5-C15 heteroaryl; divalent C5-C15 heterocyclyl; divalent C6-C19 aryl sulfone; and divalent C6-C19 aryl ether; and wherein the total amount of monomeric units U in the polybenzimidazole polymer PBI is from about 100 to about 10,000; and (III) at least one sulfonated polymer SP, which comprises, in polymerized form, at least 50 mol-% monomeric units U′, based on the total amount of monomeric units of the sulfonated polymer SP, wherein at least one of the monomeric units U′ carries at least one moiety —SO3H; wherein the membrane M is essentially free of water and exhibits a proton conductivity at a temperature of 100° C. or more, preferably in the range of from 100 to 250° C. of at least 10−5 S/cm, as measured by impedance method.

Abstract translation: 在质子交换膜燃料电池中使用质子交换膜M，其中膜M包含（I）至少一种聚苯并咪唑聚合物PBI的共混物，聚苯乙烯聚合物PBI以聚合形式包含至少90mol％的式 I）和/或（II），基于聚苯并咪唑聚合物PBI的单体单元的总量，其中Y是选自O和S的取代元素; 或Y是单个碳 - 碳键; Z选自二价C1-C10烷二基; 二价C 2 -C 10亚烯基; 二价C 6 -C 15芳基; 二价C 5 -C 15杂芳基; 二价C 5 -C 15杂环基; 二价C 6 -C 19芳基砜; 和二价C 6 -C 19芳基醚; 并且其中聚苯并咪唑聚合物PBI中的单体单元U的总量为约100至约10,000; 和（III）至少一种磺化聚合物SP，其基于磺化聚合物SP的单体单元的总量以聚合形式包含至少50mol％的单体单元U'，其中至少一种单体单元 单元U'携带至少一个-SO 3 H部分; 其中膜M基本上不含水，并且在100℃或更高的温度下，优选在100至250℃的温度下表现出至少10-5S / cm的质子传导性，如通过 阻抗法。

公开(公告)号：US08755903B2

公开(公告)日：2014-06-17

申请号：US13806952

申请日：2011-06-28

Applicant: Zengguang Hou ,  Min Tan ,  Yixiong Chen ,  Pengfeng Li ,  Hongbo Wang ,  Long Cheng ,  Guoqing Hu ,  Qingling Li ,  Feng Zhang ,  Jin Hu ,  Xinchao Zhang ,  Yi Hong ,  Junwei Zhang ,  Jinzhu Bai ,  Zhen Lv

Inventor： Zengguang Hou ,  Min Tan ,  Yixiong Chen ,  Pengfeng Li ,  Hongbo Wang ,  Long Cheng ,  Guoqing Hu ,  Qingling Li ,  Feng Zhang ,  Jin Hu ,  Xinchao Zhang ,  Yi Hong ,  Junwei Zhang ,  Jinzhu Bai ,  Zhen Lv

IPC: A61N1/08 ,  A61N1/36

CPC classification number: A61N1/08 ,  A61N1/36 ,  A61N1/36003

Abstract: The present invention discloses a functional electrical stimulation system comprising a primary power, a boost module, an energy storage section, an output control relay, an automatic discharge circuit, a foot/hand controlled switch, a current detection chip and a current limiting fuse. The boost module comprises n DC chopper circuits connected in series, and outputs a high voltage of 100-200V. According to an enable signal and a current detection signal, the output control relay disables/enables the DC boost module. The automatic discharge circuit discharges capacitance of the energy storage section automatically when the relay turns off the power input. The Foot/hand controlled switch, the current detection chip and the current limiting fuse form a triple accident protection circuit. The functional electrical stimulation system maximizes the intensity of electrical stimulation within the range that the human body can withstand. Meanwhile, it provides multiple security protection mechanisms and enhanced reliability to avoid danger during the use.

Abstract translation: 本发明公开了一种功能电刺激系统，其包括主电源，升压模块，能量存储部分，输出控制继电器，自动放电电路，脚/手控开关，电流检测芯片和限流熔断器。 升压模块包括串联连接的n个DC斩波电路，并输出100-200V的高电压。 根据使能信号和电流检测信号，输出控制继电器禁止/使能直流升压模块。 当继电器关闭电源输入时，自动放电电路自动放电储能部分的电容。 脚/手控开关，电流检测芯片和限流熔断器构成三重事故保护电路。 功能性电刺激系统使人体能承受的范围内的电刺激强度最大化。 同时，它提供多种安全保护机制和增强的可靠性，以避免使用过程中的危险。

公开(公告)号：US08675510B2

公开(公告)日：2014-03-18

申请号：US12582164

申请日：2009-10-20

Applicant: Dan Keun Sung ,  Bang Chul Jung ,  Jin Hu ,  Ho Young Hwang

Inventor： Dan Keun Sung ,  Bang Chul Jung ,  Jin Hu ,  Ho Young Hwang

IPC: G01R31/08

CPC classification number: H04L5/0037 ,  H04B7/0404 ,  H04B7/0452 ,  H04L5/0023 ,  H04L5/006

Abstract: A scheduler and scheduling method that may select a data transmission time interval and a data transmitting station are included in a multi-user Multiple Input Multiple Output (MIMO) communication system. An access point may include a receiver to receive channel measurement signals from stations using a plurality of receive antennas; a channel estimation unit to generate channel state matrices with respect to wireless channels formed from the stations to the receive antennas using the channel measurement signals; and a scheduler to select at least one transmitting station from the stations by considering the channel state matrices and a number of the receive antennas. The receiver may receive a data stream from the selected transmitting stations. Stations receive identifiers corresponding to transmitting stations and/or transmitting antennas to identify stations or antennas for transmitting data streams to the access point.

Abstract translation: 可以选择数据传输时间间隔和数据发送站的调度器和调度方法包括在多用户多输入多输出（MIMO）通信系统中。 接入点可以包括接收机，用于使用多个接收天线从站接收信道测量信号; 信道估计单元，用于使用所述信道测量信号来生成相对于从所述站到所述接收天线形成的无线信道的信道状态矩阵; 以及调度器，通过考虑信道状态矩阵和多个接收天线来从站中选择至少一个发射台。 接收机可以从所选择的发射台接收数据流。 站点接收与发射站和/或发射天线相对应的标识符，以识别用于向接入点发送数据流的站或天线。

公开(公告)号：US08270185B2

公开(公告)日：2012-09-18

申请号：US12697979

申请日：2010-02-01

Applicant: Jin Hu ,  Junming Zhang ,  Yuancheng Ren

Inventor： Jin Hu ,  Junming Zhang ,  Yuancheng Ren

IPC: H02M3/335

CPC classification number: H02M3/33507

Abstract: In accordance with the teachings described herein, systems and methods are provided for a switching mode power supply. In one example, the switching mode power supply may include a transformer, a switching circuit and a switching control circuit. The transformer receives a DC input voltage on a primary winding and generates a DC output voltage on a secondary winding. The switching circuit, which may include a MOSFET switch, is coupled to the transformer and is configured to switch the transformer on and off. The switching control circuit generates a switching control signal to control the switching circuit in order to regulate the DC output voltage of the transformer. The switching control circuit is configured to generate the switching control signal as a function of a timing signal having a varying frequency, wherein the varying frequency of the timing signal causes a switching frequency of the switching circuit to vary over a period of time in order to reduce electromagnetic interference caused by the switching circuit.

Abstract translation: 根据本文所述的教导，提供了用于开关模式电源的系统和方法。 在一个示例中，开关模式电源可以包括变压器，开关电路和开关控制电路。 变压器在初级绕组上接收直流输入电压，并在次级绕组上产生直流输出电压。 可以包括MOSFET开关的开关电路耦合到变压器并且被配置为开关变压器。 开关控制电路产生开关控制信号以控制开关电路，以便调节变压器的直流输出电压。 开关控制电路被配置为根据具有变化频率的定时信号产生开关控制信号，其中定时信号的变化频率使开关电路的开关频率在一段时间内变化，以便 减少开关电路引起的电磁干扰。

公开(公告)号：US20110227497A1

公开(公告)日：2011-09-22

申请号：US13048730

申请日：2011-03-15

Applicant: Jin Hu ,  Lei Du ,  Yuancheng Ren ,  Junming Zhang ,  Zhijun Ye

Inventor： Jin Hu ,  Lei Du ,  Yuancheng Ren ,  Junming Zhang ,  Zhijun Ye

IPC: H05B37/02

CPC classification number: H05B33/0827 ,  H05B33/0809 ,  H05B33/0812 ,  Y02B20/341

Abstract: Embodiments of LED driver circuits and the associated methods are disclosed herein. In one embodiment, the LED driver circuit comprises a switch-mode converter, a controller, a feedback circuit, and a gating circuit. The feedback circuit includes a current balance circuit. The gating circuit is responsive to both a current feedback signal and a voltage feedback signal and is configured to select one of them as the feedback signal.

Abstract translation: LED驱动器电路和相关方法的实施例在此公开。 在一个实施例中，LED驱动器电路包括开关模式转换器，控制器，反馈电路和门控电路。 反馈电路包括电流平衡电路。 门控电路响应于电流反馈信号和电压反馈信号，并且被配置为选择它们中的一个作为反馈信号。

公开(公告)号：US20100302816A1

公开(公告)日：2010-12-02

申请号：US12697979

申请日：2010-02-01

Applicant: Jin Hu ,  Junming Zhang ,  Yuancheng Ren

Inventor： Jin Hu ,  Junming Zhang ,  Yuancheng Ren

IPC: H02M3/335

CPC classification number: H02M3/33507

Abstract: In accordance with the teachings described herein, systems and methods are provided for a switching mode power supply. In one example, the switching mode power supply may include a transformer, a switching circuit and a switching control circuit. The transformer receives a DC input voltage on a primary winding and generates a DC output voltage on a secondary winding. The switching circuit, which may include a MOSFET switch, is coupled to the transformer and is configured to switch the transformer on and off. The switching control circuit generates a switching control signal to control the switching circuit in order to regulate the DC output voltage of the transformer. The switching control circuit is configured to generate the switching control signal as a function of a timing signal having a varying frequency, wherein the varying frequency of the timing signal causes a switching frequency of the switching circuit to vary over a period of time in order to reduce electromagnetic interference caused by the switching circuit.

Abstract translation: 根据本文所述的教导，提供了用于开关模式电源的系统和方法。 在一个示例中，开关模式电源可以包括变压器，开关电路和开关控制电路。 变压器在初级绕组上接收直流输入电压，并在次级绕组上产生直流输出电压。 可以包括MOSFET开关的开关电路耦合到变压器并且被配置为开关变压器。 开关控制电路产生开关控制信号以控制开关电路，以便调节变压器的直流输出电压。 开关控制电路被配置为根据具有变化频率的定时信号产生开关控制信号，其中定时信号的变化频率使开关电路的开关频率在一段时间内变化，以便 减少开关电路引起的电磁干扰。

公开(公告)号：US20070256321A1

公开(公告)日：2007-11-08

申请号：US11598205

申请日：2006-11-13

Applicant: Sun Bae ,  Ja Koo ,  Jin Hu ,  Yang Kim

Inventor： Sun Bae ,  Ja Koo ,  Jin Hu ,  Yang Kim

IPC: F26B3/04

CPC classification number: D06F58/28 ,  D06F2058/2838 ,  D06F2058/2861 ,  D06F2058/2877 ,  D06F2058/2896 ,  Y02B40/72

Abstract: Method for controlling a drying course of a laundry dryer including the steps of (a) starting a drying course by using high temperature drying air, and sensing dryness of a drying object periodically, (b) determining a dryness saturation time point at which the dryness sensed thus exceeds a preset reference value Q, (c) determining a load of the drying object according to the drying saturation time point T_sat, and (d) varying a drying algorithm depending on the load of the drying object determined thus, whereby preventing a small amount of laundry from sticking to a drum in a drying course by varying a control algorithm of the drying motor in a case an amount of the drying object is determined to be small accurately with reference to a saturation time point of an electrode sensor.

Abstract translation: 一种用于控制衣物干燥器的干燥过程的方法，包括以下步骤：（a）通过使用高温干燥空气开始干燥过程，并周期性地感测干燥物体的干燥度，（b）确定干燥饱和时间点， 感测因此超过预设的参考值Q，（c）根据干燥饱和时间点T_sat确定干燥物体的负荷，和（d）根据由此确定的干燥物的负荷改变干燥算法，由此防止 参照电极传感器的饱和时间点，在干燥对象的量被确定为小的情况下，通过改变干燥电动机的控制算法，在干燥过程中，少量的衣物粘附在鼓上。

公开(公告)号：US20070039940A1

公开(公告)日：2007-02-22

申请号：US11267150

申请日：2005-11-07

Applicant: Eung Kim ,  Jin Hu ,  Sung Sim

Inventor： Eung Kim ,  Jin Hu ,  Sung Sim

IPC: H05B1/00 ,  H05B3/00 ,  H05B11/00

CPC classification number: H05B6/763

Abstract: A heating apparatus using an electromagnetic wave is disclosed, by which cut-of performance of an electromagnetic wave is enhanced by increasing an electromagnetic wave absorption bandwidth having cut-off performance below −70 dB. The present invention includes a door provided to an open front side of a body to be opened/closed and a choke filter having a panel type choke part arranged by at least one row each along an edge of the door and a filter part arranged by at least one row each along an edge of the choke part and having a plurality of slots, wherein a prescribed choke part is provided to a most inner side among rows of the choke and filter part.

Abstract translation: 公开了一种使用电磁波的加热装置，通过增加具有低于-70dB的截止性能的电磁波吸收带宽，可以提高电磁波的性能。 本发明包括设置在打开/关闭的主体的敞开的前侧的门和具有沿着门的边缘排列成至少一排的面板式扼流部分的扼流器过滤器， 沿着扼流部分的边缘每排至少一排，并且具有多个狭槽，其中在扼流圈和过滤器部分的行中的最内侧设置有规定的扼流部分。

公开(公告)号：US06995215B2

公开(公告)日：2006-02-07

申请号：US10452759

申请日：2003-06-02

Applicant: Petar R. Dvornic ,  Jin Hu ,  Dale J. Meier ,  Robert M. Nowak

Inventor： Petar R. Dvornic ,  Jin Hu ,  Dale J. Meier ,  Robert M. Nowak

IPC: C08L83/06

CPC classification number: C08G83/005 ,  C08L83/14 ,  C08L101/005 ,  C08L83/00

Abstract: Hyperbranched polymers having a plurality of at least two different types of functional groups are described. Specific embodiments include hyperbranched polymers having functional groups of a first type that are substantially uniformly distributed throughout the hyperbranched polymer molecule and a second type of functional group that is substantially uniformly distributed at the terminals of the hyperbranched polymer molecule. The hyperbranched polymers having different types of functional groups are synthesized by reacting one or more monomers having functional groups that are capable of reacting during a set of polymerization conditions to form a hyperbranched polymer, wherein at least one of the monomers contains latent functional groups that are not reactive during polymerization.

公开(公告)号：US20050072777A1

公开(公告)日：2005-04-07

申请号：US10952869

申请日：2004-09-30

Applicant: Eung Kim ,  Jin Hu

Inventor： Eung Kim ,  Jin Hu

IPC: F24C15/02 ,  F24C7/02 ,  H05B6/76

CPC classification number: H05B6/763

Abstract: A microwave oven door, and more particularly, an apparatus for shielding electromagnetic wave that compensates for the length of slots formed in an end of an oven door in order to improve the shielding ability capable of preventing the leakage of electromagnetic wave from the cavity. In the apparatus, a choke structure includes a choke base connected with an inner portion of the oven door, a choke inner side portion bent perpendicularly from the choke base and a choke top bent from the choke inner side portion to contact a front circumferential portion of an oven cavity. Slots are formed in the choke top and the choke inner side portion at a predetermined interval. Each slot is extended from a distal end of the choke top to a predetermined point of the choke inner side portion. The predetermined point is distanced the same as or smaller than the half of the width of the choke inner side portion from a joint between the choke top and the choke inner side portion.

Abstract translation: 更具体地说，一种用于屏蔽电磁波的装置，其用于补偿形成在炉门端部的槽的长度，以便提高能够防止电磁波从腔体泄漏的屏蔽能力。 在该装置中，扼流结构包括与炉门的内部连接的扼流圈，从扼流圈垂直弯曲的扼流器内侧部和从扼流器内侧部弯曲的扼流圈， 烤箱腔。 以预定间隔在扼流器顶部和扼流器内侧部分形成槽。 每个槽从扼流器顶部的远端延伸到扼流器内侧部分的预定点。 预定点距离扼流器内侧部分的扼流圈内侧部分的接合部的宽度的一半以上的距离。