公开(公告)号：US08174203B2

公开(公告)日：2012-05-08

申请号：US12431973

申请日：2009-04-29

申请人： Ju Rae Kim ,  Jong Rak Kim ,  Min Jin Kim

发明人： Ju Rae Kim ,  Jong Rak Kim ,  Min Jin Kim

IPC分类号： H05B41/16 ,  H05B41/24

CPC分类号： H05B41/2827

摘要： A lamp driving circuit includes a first printed circuit board and a second printed circuit board. The first printed circuit board includes a switching unit for switching an input power source, a control unit for controlling the switching unit, an inverter transformer connected to the switching unit, and a voltage conversion unit for converting a feedback reference current for controlling an output current applied from the inverter transformer into a reference voltage and applying the reference voltage to the control unit. The voltage conversion unit is connected to the inverter transformer and the control unit. The voltage conversion unit is connected to a first feedback terminal. The second printed circuit board includes a plurality of balance coils connected to a plurality of lamps so that the same output currents are applied to the lamps, a second feedback terminal connected to the first feedback terminal, and a current conversion unit connected to the second feedback terminal.

摘要翻译： 灯驱动电路包括第一印刷电路板和第二印刷电路板。 第一印刷电路板包括用于切换输入电源的开关单元，用于控制开关单元的控制单元，连接到开关单元的逆变器变压器和用于转换用于控制输出电流的反馈参考电流的电压转换单元 从变频器变压器施加到参考电压，并将参考电压施加到控制单元。 电压转换单元连接到变频器变压器和控制单元。 电压转换单元连接到第一反馈端子。 第二印刷电路板包括连接到多个灯的多个平衡线圈，使得相同的输出电流施加到灯，连接到第一反馈端的第二反馈端和连接到第二反馈的电流转换单元 终奌站。

公开(公告)号：US07965164B2

公开(公告)日：2011-06-21

申请号：US12137438

申请日：2008-06-11

申请人： Jeong Hyun Park ,  Jong Rak Kim

发明人： Jeong Hyun Park ,  Jong Rak Kim

IPC分类号： H01F27/28 ,  H01F27/30

CPC分类号： H01F27/325 ,  H01F30/04

摘要： In accordance with the present invention, a multi-output transformer includes a primary bobbin provided with one primary winding unit with one input terminal and one ground terminal; a secondary bobbin provided with n(n: positive integer) number of secondary winding units with two output terminals respectively; a primary coil wound around the one primary winding unit; secondary coils wound around each of the n secondary winding units; and a pair of cores inserted into insertion holes formed inside the primary bobbin and the secondary bobbin respectively to separate the primary bobbin and the secondary bobbin.

摘要翻译： 根据本发明，多输出变压器包括：一个主线轴，其具有一个具有一个输入端子和一个接地端子的初级绕组单元; 具有分别具有两个输出端子的n（n：正整数）次级绕组单元的次级绕线筒; 缠绕在一个初级绕组单元上的初级线圈; 二次线圈缠绕在n个次级绕组单元的每一个上; 以及分别形成在主筒管和副筒管内的插入孔中的一对芯体，用于分离主筒管和副筒管。

公开(公告)号：US07940502B2

公开(公告)日：2011-05-10

申请号：US12191122

申请日：2008-08-13

申请人： Hyo Young Kim ,  Jong Rak Kim ,  Sung Hun Oh

发明人： Hyo Young Kim ,  Jong Rak Kim ,  Sung Hun Oh

IPC分类号： H02H3/00

CPC分类号： H05B41/282 ,  Y02B20/183

摘要： There is provided a backlight unit having a protection circuit using a center-tap, the backlight unit including: a current balancing unit including a plurality of primary coils individually transmitting the lamp driving power from an inverter unit to the lamps, and a plurality of secondary coils each formed of one conductor having a center-tap, and receiving an electromagnetically induced voltage from each of the plurality of primary coils, the one end and the center-tap of each of the plurality of secondary coils connected in series with the one end and the center-tap of the neighboring secondary coil to form at least one closed loop and maintain current transmitted to each of the lamps balanced; a sensing unit sensing a variation in current of the closed loop and a variation in current of the primary coil from the current balancing unit; and a determination unit determining whether each of the lamps performs an abnormal operation or not.

摘要翻译： 提供一种具有使用中心抽头的保护电路的背光单元，所述背光单元包括：电流平衡单元，包括将来自逆变器单元的灯驱动功率单独地发送到灯的多个初级线圈，以及多个次级 每个由具有中心抽头的一个导体形成的线圈，并且从多个初级线圈中的每一个接收电磁感应电压，所述多个次级线圈中的每一个的一端和中心抽头与一端串联连接 以及相邻次级线圈的中心抽头以形成至少一个闭合回路并保持传输到每个灯平衡的电流; 感测单元，感测闭环电流的变化和初级线圈与电流平衡单元的电流变化; 以及确定单元，确定每个灯是否执行异常操作。

公开(公告)号：US07612974B2

公开(公告)日：2009-11-03

申请号：US11946700

申请日：2007-11-28

申请人： Hyo Young Kim ,  Sung Hun Oh ,  Jong Rak Kim

发明人： Hyo Young Kim ,  Sung Hun Oh ,  Jong Rak Kim

IPC分类号： H02H3/08 ,  H02H9/02

CPC分类号： H05B41/2827 ,  G09G3/3406 ,  G09G2330/08

摘要： There is provided a backlight unit that determines whether a lamp performs an abnormal operation by detecting a voltage that is induced in a power conversion transformer without using a complicated and expensive detection circuit. A backlight unit having a protection circuit using induced voltage detection according to an aspect of the invention includes an inverter part including a primary coil receiving power and at least one secondary coil converting the power from the primary coil to AC power set beforehand, a lamp part including at least one lamp receiving the AC power from the inverter part to emit light, a detection part including conductors detecting voltages electromagnetically induced in the secondary coil, and an abnormality determining part comparing detection voltages from the detection part with a reference voltage set beforehand.

摘要翻译： 提供了一种背光单元，其通过在不使用复杂且昂贵的检测电路的情况下检测在电力变换变压器中感应的电压来确定灯是否执行异常操作。 具有根据本发明的一个方面的具有使用感应电压检测的保护电路的背光单元包括：反相器部分，包括初级线圈接收功率和至少一个次级线圈，其将来自初级线圈的功率转换成预先设定的AC功率;灯部分 包括接收来自逆变器部分的交流电力以发光的至少一个灯;检测部分，包括检测次级线圈中电磁感应的电压的导体;以及异常确定部分，将来自检测部分的检测电压与预先设定的参考电压进行比较。

公开(公告)号：US20080130601A1

公开(公告)日：2008-06-05

申请号：US11933010

申请日：2007-10-31

申请人： Sun-Me Kim ,  Kyoung-Soon Kang ,  Hae-Sook Kim ,  Jong-Rak Kim ,  Jeong-Jong Lee

发明人： Sun-Me Kim ,  Kyoung-Soon Kang ,  Hae-Sook Kim ,  Jong-Rak Kim ,  Jeong-Jong Lee

IPC分类号： H04L12/28 ,  H04L12/56 ,  H04L29/06

CPC分类号： H04L47/20 ,  H04L12/2856 ,  H04L12/2898 ,  H04L41/5003 ,  H04L47/10 ,  H04L47/14 ,  H04L47/15 ,  H04L47/70 ,  H04L47/765 ,  H04L47/788 ,  H04L47/808 ,  H04L47/824

摘要： A method of allowing a network communication service user (subscriber) to receive a desired network communication service with a constant (the same) quality regardless of being in a wired or wireless communication environment based on a single service level agreement (SLA) of the subscriber is provided. The method of providing the network communication service with the constant quality regardless of the wired or wireless network environment includes: (a) setting a call control policy for a service so that an SLA (service level agreement) of a network communication service user is available for the wired or wireless network; (b) determining whether the user accesses the network through the wired or wireless network; (c) determining whether the user is a wired network home user or a wired network guest user when the user accesses the network through the wired network; and (d) providing a network communication service requested by the user based on the call control policy based on the determination result of (b) and (c) for the user.

摘要翻译： 一种允许网络通信服务用户（订户）以不变（相同）质量接收期望的网络通信服务的方法，而不管基于用户的单一服务水平协议（SLA）在有线或无线通信环境中 被提供。 无论有线或无线网络环境如何，提供具有恒定质量的网络通信服务的方法包括：（a）为服务设置呼叫控制策略，使得网络通信服务用户的SLA（服务水平协议）可用 用于有线或无线网络; （b）确定用户是否通过有线或无线网络访问网络; （c）当用户通过有线网络访问网络时，确定用户是有线网络家庭用户还是有线网络访客用户; 以及（d）基于用户的（b）和（c）的确定结果，基于呼叫控制策略提供用户请求的网络通信服务。

公开(公告)号：US20110050105A1

公开(公告)日：2011-03-03

申请号：US12640259

申请日：2009-12-17

申请人： Won Sik CHONG ,  Jong Rak Kim ,  Kyoung Ho Yoon ,  Yoon Seok Seo

发明人： Won Sik CHONG ,  Jong Rak Kim ,  Kyoung Ho Yoon ,  Yoon Seok Seo

IPC分类号： H05B37/02

CPC分类号： H05B41/2827

摘要： There are provided a current balance circuit having a protection function that prevents the current balance circuit from being damaged during a preset time period by maintaining a constant level of power being supplied to the lamp, and a power supply. The current balance circuit having the protection function includes a current balance unit maintaining current balance of lamp driving power supplied to a lamp unit including a plurality of lamps, and a protection unit detecting the lamp driving power supplied to the lamp unit from the current balance unit, cutting-off the lamp driving power after a preset time period when the lamp operates abnormally, and controlling a voltage level of the lamp driving power to a preset reference voltage level or lower during the preset time period.

摘要翻译： 提供了一种具有保护功能的电流平衡电路，其通过保持向灯供电的恒定电平和电源来防止当前平衡电路在预设时间段内被损坏。 具有保护功能的电流平衡电路包括：电流平衡单元，保持提供给包括多个灯的灯单元的灯驱动功率的电流平衡;以及保护单元，从当前平衡单元检测提供给灯单元的灯驱动电力 在灯工作异常的预设时间段之后切断灯的驱动电力，并且在预设时间段内将灯驱动功率的电压电平控制在预设的参考电压电平以下。

公开(公告)号：US07616086B2

公开(公告)日：2009-11-10

申请号：US11964521

申请日：2007-12-26

申请人： Gie Hyoun Kweon ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

发明人： Gie Hyoun Kweon ,  Sug Chin Sakong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Sung Soo Hong ,  Jong Rak Kim

IPC分类号： H01F27/30

CPC分类号： H01F3/10 ,  H01F27/29 ,  H01F27/306 ,  H01F27/325

摘要： There is provided an integrated type transformer that reduces the volume by integrating a plurality of transformers transmitting power for driving a plurality of lamps in an inverter circuit for an LCD into one transformer structure. An integrated type transformer according to an aspect of the invention includes a bobbin unit including a bobbin body having a predetermined length and a through hole therein in a longitudinal direction of the bobbin unit, and a core unit including an inner core inserted into the through hole of the bobbin unit, and an outer core formed along one surface in the longitudinal direction among outer circumferential surfaces of the bobbin unit and electromagnetically coupled to the inner core to form one magnetic path.

摘要翻译： 提供了一种集成型变压器，通过将用于驱动LCD的逆变器电路中的多个灯的功率的多个变压器集成成一个变压器结构来减小体积。 根据本发明的一个方面的集成型变压器包括：线轴单元，其包括具有预定长度的线轴体和沿着所述线轴单元的纵向的通孔，以及芯单元，所述芯单元包括插入所述通孔中的内芯 以及在所述筒管单元的外周面之中沿着长度方向的一个表面形成的外芯，并且与所述内芯电磁耦合以形成一个磁路。

公开(公告)号：US20080137655A1

公开(公告)日：2008-06-12

申请号：US11980169

申请日：2007-10-30

申请人： Sun Me Kim ,  Kyoung-Soon Kang ,  Dong-Yong Kwak ,  Hae Sook Kim ,  Jong Rak Kim ,  Jeong-Jong Lee ,  Wang Bong Lee ,  Sang Kwon Shin

发明人： Sun Me Kim ,  Kyoung-Soon Kang ,  Dong-Yong Kwak ,  Hae Sook Kim ,  Jong Rak Kim ,  Jeong-Jong Lee ,  Wang Bong Lee ,  Sang Kwon Shin

IPC分类号： H04L12/56

CPC分类号： H04L47/782 ,  H04L47/70

摘要： Provided is a method of resource management and call admission control in an access network in a hierarchical manner.The method of resource management and call admission control in an access network includes: (a) collecting resource information on all of devices constituting the access network and hierarchically constructing the resource information on the access network; (b) when a user requests a connection to the access network, hierarchically extracting position information on the access network from the resource information and connecting the extracted position information to link information in the hierarchically constructed resource information; (c) when a user who succeeds in connecting requests call admission control for an IP communication service, determining an availability of the resources of the hierarchically constructed position information; and (d) when the availability is certified, allocating a band required to the IP communication service to the link information and a part of a margin band of a service class to which the user belongs to respond to the call admission control request.

摘要翻译： 提供了一种以分级方式在接入网中进行资源管理和呼叫准入控制的方法。 接入网中资源管理和呼叫准入控制的方法包括：（a）在构成接入网的所有设备上收集资源信息，并在接入网上分层构建资源信息; （b）当用户请求连接到接入网络时，从资源信息分层提取接入网络上的位置信息，并将所提取的位置信息连接到分层构造的资源信息中的链路信息; （c）当成功连接请求的用户呼叫用于IP通信服务的接纳控制时，确定层次构造的位置信息的资源的可用性; 以及（d）当可用性被认证时，将IP通信服务所需的频带分配给用户所属的链路信息和服务类别的边缘带的一部分以响应于呼叫许可控制请求。

公开(公告)号：US20080137248A1

公开(公告)日：2008-06-12

申请号：US11946700

申请日：2007-11-28

申请人： Hyo Young Kim ,  Sung Hun Oh ,  Jong Rak Kim

发明人： Hyo Young Kim ,  Sung Hun Oh ,  Jong Rak Kim

IPC分类号： H02H3/02 ,  H05B37/02 ,  H05B41/16

CPC分类号： H05B41/2827 ,  G09G3/3406 ,  G09G2330/08

摘要： There is provided a backlight unit that determines whether a lamp performs an abnormal operation by detecting a voltage that is induced in a power conversion transformer without using a complicated and expensive detection circuit. A backlight unit having a protection circuit using induced voltage detection according to an aspect of the invention includes an inverter part including a primary coil receiving power and at least one secondary coil converting the power from the primary coil to AC power set beforehand, a lamp part including at least one lamp receiving the AC power from the inverter part to emit light, a detection part including conductors detecting voltages electromagnetically induced in the secondary coil, and an abnormality determining part comparing detection voltages from the detection part with a reference voltage set beforehand.

摘要翻译： 提供了一种背光单元，其通过在不使用复杂且昂贵的检测电路的情况下检测在电力变换变压器中感应的电压来确定灯是否执行异常操作。 具有根据本发明的一个方面的具有使用感应电压检测的保护电路的背光单元包括：反相器部分，包括初级线圈接收功率和至少一个次级线圈，其将来自初级线圈的功率转换成预先设定的AC功率;灯部分 包括接收来自逆变器部分的交流电力以发光的至少一个灯;检测部分，包括检测次级线圈中电磁感应的电压的导体;以及异常确定部分，将来自检测部分的检测电压与预先设定的参考电压进行比较。

公开(公告)号：US5481627A

公开(公告)日：1996-01-02

申请号：US299179

申请日：1994-08-31

申请人： Jong-Rak Kim

发明人： Jong-Rak Kim

IPC分类号： H04N19/00 ,  H04N19/126 ,  H04N19/134 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/46 ,  H04N19/65 ,  H04N19/70 ,  H04N19/89 ,  H04N19/895 ,  H04N19/94 ,  G06K9/40

CPC分类号： H04N19/895 ,  H04N19/94

摘要： A novel method for concealing or rectifying channel errors present in a decoded image signal which has been transmitted in a compressed form by using a classified vector quantization technique comprises a step for estimating the class for a current block by detecting boundary edges at each of four groups of neighboring pixels; and a step for estimating the representative vector for the current block by calculating a multiple number of side-matching functions and choosing the candidate vector producing the smallest side-matching function as the representative vector for the current block.

摘要翻译： 一种用于隐藏或整理存在于已经通过使用分类矢量量化技术以压缩形式传送的解码图像信号中的信道错误的新方法包括通过检测四个组中的每一组的边界边缘来估计当前块的类别的步骤 的相邻像素; 以及通过计算多个边匹配函数并选择产生最小边匹配函数的候选向量作为当前块的代表向量来估计当前块的代表向量的步骤。