公开(公告)号：US20120169278A1

公开(公告)日：2012-07-05

申请号：US13342362

申请日：2012-01-03

Applicant: Sung-jin CHOI ,  Kang-hyun YI ,  Eun-il CHO

Inventor： Sung-jin CHOI ,  Kang-hyun YI ,  Eun-il CHO

IPC: H02J17/00 ,  H02J7/00

CPC classification number: H04B5/0037 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/70 ,  H04B5/0081 ,  H04B5/0093

Abstract: A wireless power transmission apparatus and a wireless power transmission system are provided. The wireless power transmission apparatus includes a main body; and a support which is disposed on a side surface of the main body, wherein the main body includes a transmission resonator unit which generates a first magnetic field of a horizontal direction with respect a ground surface and a second magnetic field of a vertical direction with respect to the ground surface.

Abstract translation: 提供无线电力传输装置和无线电力传输系统。 无线电力传输装置包括主体; 以及设置在主体的侧面的支撑体，其中，所述主体包括发射谐振器单元，其相对于地面产生水平方向的第一磁场和相对于地面的垂直方向的第二磁场 到地面。

公开(公告)号：US20110057960A1

公开(公告)日：2011-03-10

申请号：US12761797

申请日：2010-04-16

Applicant: Tae-hoon KIM ,  Sung-jin CHOI ,  Pankaj AGARWAL ,  Joon-hyun YANG

Inventor： Tae-hoon KIM ,  Sung-jin CHOI ,  Pankaj AGARWAL ,  Joon-hyun YANG

IPC: G09G5/10

CPC classification number: H05B33/0827

Abstract: A backlight apparatus and a display apparatus are provided. The backlight apparatus includes N first switch units to switch a plurality of currents flowing in respective N light emitting element arrays according to an input brightness control signal, N second switch units to switch a plurality of currents flowing in respective N capacitors according to the input brightness control signal, and a reference current generation unit to generate and output a reference current based on the input brightness control signal. An inverter unit adjusts a total current supplied to all of the light emitting element arrays in total to be equal to the reference current if the total current is different from the reference current.

Abstract translation: 提供背光装置和显示装置。 背光装置包括N个第一开关单元，用于根据输入亮度控制信号切换在各N个发光元件阵列中流动的多个电流，N个第二开关单元，用于根据输入亮度切换流入各N个电容器中的多个电流 控制信号和参考电流产生单元，以基于输入亮度控制信号产生和输出参考电流。 如果总电流与参考电流不同，则逆变器单元将提供给所有发光元件阵列的总电流总计为等于参考电流。

公开(公告)号：US20110242853A1

公开(公告)日：2011-10-06

申请号：US12951632

申请日：2010-11-22

Applicant: Pankaj AGARWAL ,  Kang-hyun YI ,  Sung-jin CHOI ,  Joon-hyun YANG

Inventor： Pankaj AGARWAL ,  Kang-hyun YI ,  Sung-jin CHOI ,  Joon-hyun YANG

IPC: H02M3/335

CPC classification number: H02M3/337 ,  H02M7/103

Abstract: A high voltage power supply is provided. The high voltage power supply includes an inverter which converts a DC voltage input to the high voltage power supply into a first AC voltage, a transformer including an input winding unit and a plurality of output winding units, wherein the input winding unit receives the first AC voltage from the inverter and the plurality of output winding units generates and outputs a second AC voltage, and a voltage multiplier unit which boosts the second AC voltage output by the transformer and outputs a boosted voltage, and the voltage multiplier unit includes a plurality of voltage multipliers which are connected to each other in series and the plurality of voltage multipliers may be connected to the plurality of output winding units respectively.

Abstract translation: 提供高压电源。 高电压电源包括将输入到高电压电源的直流电压转换为第一交流电压的逆变器，包括输入绕组单元和多个输出绕组单元的变压器，其中输入绕组单元接收第一AC 来自逆变器和多个输出绕组的电压产生并输出第二交流电压;以及电压倍增器单元，其升高由变压器输出的第二交流电压并输出升压电压，并且所述电压倍增器单元包括多个电压 可以串联连接的多个乘法器和多个电压乘法器可以分别连接到多个输出绕组单元。

公开(公告)号：US20100309597A1

公开(公告)日：2010-12-09

申请号：US12724548

申请日：2010-03-16

Applicant: Pankaj AGARWAL ,  Sung-jin CHOI ,  Tae-hoon KIM

Inventor： Pankaj AGARWAL ,  Sung-jin CHOI ,  Tae-hoon KIM

IPC: H02H3/20 ,  H03K5/153 ,  H02H3/24

CPC classification number: H02H1/0038 ,  H02H3/207 ,  H05B33/089 ,  Y02B20/341

Abstract: An apparatus for preventing abnormal voltage, a light emitting module, and a display apparatus are provided. The present apparatus for preventing abnormal voltage extracts the highest voltage and the lowest voltage among voltage applied from a plurality of loads, includes two voltage distribution units distributing the highest voltage and the lowest voltage, and detects whether the highest voltage and the lowest voltage applied from the voltage distribution unit are within a predetermined range. Accordingly, the apparatus for preventing abnormal voltage is not affected greatly in terms of its size and cost even if the number of loads to be protected increases.

Abstract translation: 提供一种防止异常电压的装置，发光模块和显示装置。 用于防止异常电压的本装置提取从多个负载施加的电压中的最高电压和最低电压，包括分配最高电压和最低电压的两个电压分配单元，并且检测是否施加了最高电压和最低电压 电压分配单元在预定范围内。 因此，即使要保护的负载数量增加，用于防止异常电压的装置在其尺寸和成本方面也不会受到很大的影响。

公开(公告)号：US20100061557A1

公开(公告)日：2010-03-11

申请号：US11566411

申请日：2006-12-04

Applicant: Hee-yong YOUN ,  Sung-jin CHOI

Inventor： Hee-yong YOUN ,  Sung-jin CHOI

IPC: H04L9/08

CPC classification number: H04L9/083 ,  H04L9/14 ,  H04L63/062 ,  H04L67/12 ,  H04L2209/805

Abstract: A system for effectively pre-distributing keys for a distributed sensor network is disclosed, The system includes: a plurality of sensor nodes, each of which has a sensing function, a calculation function, and a wireless communication function; and a base station which is connected to the sensor nodes over a wireless network, receives data from the sensor nodes, acts as a data central station, and distributes keys for inter-sensornode security authentication to the sensor nodes. A key management unit contained in the base station, generates a set of the sensor nodes used for security authentication between the sensor nodes, decomposes the set of the sensor nodes into a plurality of matrices, distributes the matrices to the sensor nodes, and allows the sensor nodes to search for a common private key required for the security authentication using the received matrices. Therefore, the system can always search for a common private key between the sensor nodes.

Abstract translation: 公开了一种用于分布式传感器网络的有效预分配密钥的系统。该系统包括：多个传感器节点，每个传感器节点具有感测功能，计算功能和无线通信功能; 以及通过无线网络连接到传感器节点的基站，从传感器节点接收数据，充当数据中心站，并将传感器节点安全认证的密钥分发给传感器节点。 包含在基站中的密钥管理单元生成用于传感器节点之间的安全认证的一组传感器节点，将传感器节点组分解为多个矩阵，将矩阵分布到传感器节点，并允许 传感器节点搜索使用接收矩阵进行安全认证所需的公共私钥。 因此，系统可以始终在传感器节点之间搜索公共私钥。

公开(公告)号：US20110234012A1

公开(公告)日：2011-09-29

申请号：US12879769

申请日：2010-09-10

Applicant: Kang-hyun YI ,  Sung-jin CHOI ,  Pankaj AGARWAL ,  Joon-hyun YANG

Inventor： Kang-hyun YI ,  Sung-jin CHOI ,  Pankaj AGARWAL ,  Joon-hyun YANG

IPC: H02J17/00

CPC classification number: H02J50/12 ,  H02J5/005

Abstract: A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave and converts the resonance wave into DC power using a series resonant rectifier circuit which is impedance matched with impedance of the power receiving apparatus at a frequency of the resonance wave.

Abstract translation: 无线功率收发系统包括将功率转换为谐振波并发送谐振波的电力发送装置，以及接收发送的谐振波并使用串联谐振整流电路将谐振波变换成直流电力的电力接收装置，该串联谐振电路是 阻抗与谐振波频率处的受电装置的阻抗相匹配。

公开(公告)号：US20110234011A1

公开(公告)日：2011-09-29

申请号：US12879607

申请日：2010-09-10

Applicant: Kang-hyun YI ,  Sung-jin CHOI ,  Joon-hyun YANG

Inventor： Kang-hyun YI ,  Sung-jin CHOI ,  Joon-hyun YANG

IPC: H01F38/14

CPC classification number: H02J50/12 ,  B60L11/182 ,  H02J5/005 ,  H02J7/025 ,  H02J50/90

Abstract: A wireless power transceiving system includes a power transmitting apparatus which converts power into a resonance wave and transmits the resonance wave, and a power receiving apparatus which receives the transmitted resonance wave, and converts the resonance wave into DC power using a parallel resonant rectifier circuit that is impedance matched with impedance generated in the power receiving apparatus by parasitic components at a frequency of the resonance wave.

Abstract translation: 无线功率收发系统包括将功率转换为谐振波并发送谐振波的功率发送装置和接收发送的谐振波的电力接收装置，并使用并联谐振整流电路将谐振波变换为直流电力，并联谐振整流电路 通过在谐振波的频率处的寄生分量来阻抗与功率接收装置中产生的阻抗匹配。

公开(公告)号：US20100253665A1

公开(公告)日：2010-10-07

申请号：US12689621

申请日：2010-01-19

Applicant: Sung-jin CHOI ,  Tae-hoon KIM ,  Pankaj AGARWAL

Inventor： Sung-jin CHOI ,  Tae-hoon KIM ,  Pankaj AGARWAL

IPC: G06F3/038

CPC classification number: H05B33/0809

Abstract: A current balancing apparatus, a power supply apparatus, a lighting apparatus, and a current balancing method for preventing luminance imbalance are provided. The current balancing apparatus includes a balancer for balancing an AC current and a rectifier for generating a DC current by rectifying the balanced current. Hence, the luminance imbalance caused by dispersion of a light source can be addressed.

Abstract translation: 提供了电流平衡装置，电源装置，照明装置和用于防止亮度不平衡的电流平衡方法。 电流平衡装置包括用于平衡AC电流的平衡器和用于通过整流平衡电流产生DC电流的整流器。 因此，可以解决由光源的色散引起的亮度不平衡。