公开(公告)号：US07283836B2

公开(公告)日：2007-10-16

申请号：US10673532

申请日：2003-09-29

申请人： Jong-Yoon Hwang ,  Hi-Chan Moon ,  Jong-Han Kim ,  Jin-Soo Park

发明人： Jong-Yoon Hwang ,  Hi-Chan Moon ,  Jong-Han Kim ,  Jin-Soo Park

IPC分类号： H04B7/00 ,  H04Q7/20

CPC分类号： H04W52/283 ,  H04L1/20 ,  H04L1/201 ,  H04W52/143 ,  H04W52/24 ,  H04W52/241 ,  H04W52/247 ,  H04W52/282 ,  H04W52/288 ,  H04W52/44 ,  H04W52/54 ,  Y02D70/20

摘要： An apparatus and method of detecting whether data exists in a received signal while a mobile communication terminal is in discontinuous transmission mode. The apparatus and method comprises generating and transmitting a forward power control command for providing the forward power control, and performing forward power control in a mobile communication system. According to the forward power control method, a power control command is generated based on a received frame including a plurality of slots each of which includes power control bits. The ratio of the power control bit energy to noise energy, which is given by a ratio of the accumulated energy of the power control bits in the slots of the received frame to an accumulated energy value of noise in the slots of the received frame, is provided, and the power control command based on a ratio of the accumulated energy value of traffic symbol bits in the slots to the accumulated energy value of the power control bits is generated when the provided ratio of the power control bits to noise is acceptable.

摘要翻译： 一种在移动通信终端处于不连续传输模式时检测接收信号中是否存在数据的装置和方法。 该装置和方法包括生成和发送用于提供正向功率控制的前向功率控制命令，以及在移动通信系统中执行正向功率控制。 根据正向功率控制方法，基于包括多个时隙的接收帧生成功率控制命令，每个时隙包括功率控制位。 由接收帧的时隙中的功率控制位的累积能量与接收帧的时隙中累积的噪声能量值的比率给出的功率控制比特能量与噪声能量的比率是 并且当所提供的功率控制比特与噪声的比率是可接受的时，产生基于时隙中的业务符号比特的累积能量值与功率控制比特的累积能量值的比率的功率控制命令。

公开(公告)号：US20060170523A1

公开(公告)日：2006-08-03

申请号：US11141123

申请日：2005-05-31

申请人： Rajarshi Mukhopadhy ,  Sebastien Nuttinck ,  Sang-Hyun Woo ,  Jong-Han Kim ,  Seong-Soo Lee ,  Chang-Ho Lee ,  Joy Laskar

发明人： Rajarshi Mukhopadhy ,  Sebastien Nuttinck ,  Sang-Hyun Woo ,  Jong-Han Kim ,  Seong-Soo Lee ,  Chang-Ho Lee ,  Joy Laskar

IPC分类号： H03H11/00

CPC分类号： H03H11/50 ,  H03H11/48

摘要： An active inductor capable of tuning a self-resonant frequency, an inductance, a Q factor, and a peak Q frequency by applying a tunable feedback resistor to a cascode-grounded active inductor is disclosed. The tunable active inductor includes a first transistor having a source connected to a power supply voltage and a gate connected to first bias voltage; a second transistor having a drain connected to a drain of the first transistor and a gate connected to a second bias voltage; a third transistor having a drain connected to a source of the second transistor and a source connected to a ground voltage; a fourth transistor having a drain connected to a gate of the third transistor, a source connected to the ground voltage and a gate connected to a third bias voltage; a fifth transistor having a source connected to the drain of the fourth transistor and a drain connected to the power supply voltage.

摘要翻译： 公开了一种通过将可调谐反馈电阻器施加到共源共栅接地有源电感器来调谐自谐振频率，电感，Q因子和峰值Q频率的有源电感器。 可调谐有源电感器包括具有连接到电源电压的源极和连接到第一偏置电压的栅极的第一晶体管; 第二晶体管，具有连接到所述第一晶体管的漏极的漏极和连接到第二偏置电压的栅极; 具有连接到所述第二晶体管的源极的漏极和连接到接地电压的源极的第三晶体管; 具有连接到第三晶体管的栅极的漏极的第四晶体管，连接到接地电压的源极和连接到第三偏置电压的栅极; 第五晶体管，其源极连接到第四晶体管的漏极，漏极连接到电源电压。

公开(公告)号：US20060050802A1

公开(公告)日：2006-03-09

申请号：US11219921

申请日：2005-09-06

申请人： Ji-Hyung Kim ,  Dae-Sik Hong ,  Dong-Jun Lee ,  Jong-Han Kim ,  Byung-Jun Park ,  Jong-Ae Park

发明人： Ji-Hyung Kim ,  Dae-Sik Hong ,  Dong-Jun Lee ,  Jong-Han Kim ,  Byung-Jun Park ,  Jong-Ae Park

IPC分类号： H04B7/02

CPC分类号： H04B7/0842 ,  H04B7/04 ,  H04B7/0851

摘要： A channel estimation method in a Multiple Input Multiple Output (MIMO) mobile communication system having a plurality of transmission antennas and a plurality of reception antennas is provided. In a method of transmitting, by a transmitter, channel estimation signals for channel estimation at a receiver, the transmission antennas transmit the same channel estimation signals for a first frame transmission duration, and transmit predetermined channel estimation signals corresponding to the number of the transmission antennas for a second frame transmission duration.

摘要翻译： 提供了具有多个发送天线和多个接收天线的多输入多输出（MIMO）移动通信系统中的信道估计方法。 在发射机发送信道估计信号的方法中，发送天线在第一帧传输持续时间内传输相同的信道估计信号，并发送对应于发送天线数量的预定信道估计信号 用于第二帧传输持续时间。

公开(公告)号：US5940451A

公开(公告)日：1999-08-17

申请号：US916202

申请日：1997-08-22

申请人： Jong-Han Kim

发明人： Jong-Han Kim

IPC分类号： H03G3/30 ,  H03G3/20 ,  H04L27/22 ,  H04L27/34 ,  H04L27/08

CPC分类号： H03G3/3078 ,  H04L27/22

摘要： An apparatus for automatic gain control (AGC) of a digital QPSK demodulator is disclosed. The apparatus for automatic gain control of a QPSK demodulator comprising a variable gain amplifier for controlling an amplification gain of a QPSK-demodulated signal by a predetermined gain control signal comprises a signal magnitude estimator for estimating the magnitude of I and Q-channel signals in the QPSK demodulator by using the equation S.sub.mag =MAX.vertline.I.vertline.,.vertline.Q.vertline.)+1/2MIN(.vertline.I.vertline.,.vertline.Q.vertline.), and a control signal generator for generating a gain control signal according to the magnitude of the input signal outputted from the signal magnitude estimator, and outputting the gain control signal to a variable gain amplifier. Through the construction of the present invention, which generates the magnitude of signal used to generate the control signal for AGC by square root approximation, the ASIC without the complex circuit structure can be easily implemented in digital QPSK demodulators.

摘要翻译： 公开了一种用于数字QPSK解调器的自动增益控制（AGC）的装置。 包括用于通过预定增益控制信号控制QPSK解调信号的放大增益的可变增益放大器的QPSK解调器的自动增益控制装置包括：信号幅度估计器，用于估计在QPSK解调信号中的I和Q信道信号的幅度 通过使用公式Smag = MAX | I |，| Q |）++ E，fra 1/2 + EE MIN（| I |，| Q |）和用于产生增益控制信号的控制信号发生器 到从信号幅度估计器输出的输入信号的幅度，并将增益控制信号输出到可变增益放大器。 通过本发明的构造，其产生用于通过平方根近似生成用于AGC的控制信号的信号的幅度，可以容易地在数字QPSK解调器中实现不具有复杂电路结构的ASIC。

公开(公告)号：US08570710B2

公开(公告)日：2013-10-29

申请号：US13356320

申请日：2012-01-23

申请人： Jong Han Kim ,  Hyun Chul Jeong

发明人： Jong Han Kim ,  Hyun Chul Jeong

IPC分类号： H01G4/06

CPC分类号： H01G4/005 ,  H01G4/12 ,  H01G4/30

摘要： There is provided multilayered ceramic electronic component having a 0603 size or less, the multilayered ceramic electronic component including: a ceramic body including a plurality of internal electrodes and dielectric layers disposed between the internal electrodes; and external electrodes disposed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein when a region in which the internal electrodes are overlapped is defined as an active region in a cross section of a central portion in a length direction of the ceramic body, taken in width and thickness directions thereof, the entire area of the cross section taken in the width and thickness directions is defined as At, and an area of the active region is defined as Aa, the following equation is satisfied: 65%≦Aa/At≦90%.

摘要翻译： 提供具有0603尺寸以下的多层陶瓷电子部件，所述多层陶瓷电子部件包括：陶瓷体，包括设置在所述内部电极之间的多个内部电极和电介质层; 以及设置在所述陶瓷体的外表面并与内部电极电连接的外部电极，其中，当内部电极重叠的区域被定义为在所述内部电极的长度方向上的中心部分的截面中的有源区域 陶瓷体的宽度方向和厚度方向的截面宽度和厚度方向的整个面积被定义为At，有源区域的面积被定义为Aa，满足下式：65％ @Aa / At @ 90％。

公开(公告)号：US20130112338A1

公开(公告)日：2013-05-09

申请号：US13610343

申请日：2012-09-11

申请人： Young Ho Kim ,  Jong Han Kim ,  Hyun Chul Jeong

发明人： Young Ho Kim ,  Jong Han Kim ,  Hyun Chul Jeong

IPC分类号： H01G13/00

CPC分类号： H01G4/30 ,  B32B18/00 ,  C04B35/6263 ,  C04B2235/612 ,  C04B2237/32 ,  H01G4/1209 ,  H01G4/2325 ,  Y10T156/1052

摘要： There is provided a method of manufacturing a multilayer ceramic capacitor including: laminating ceramic green sheets having internal electrodes printed thereon to form a ceramic laminated body; cutting the ceramic laminated body; applying slurry including a ceramic powder to the ceramic laminated body; and drying the slurry applied to the ceramic laminated body. According to an embodiment of the present invention, cracks generated in a manufacturing process of the multilayer ceramic capacitor may be removed, such that the multilayer ceramic capacitor may have excellent reliability.

摘要翻译： 提供一种制造多层陶瓷电容器的方法，包括：层叠印刷有内部电极的陶瓷生片以形成陶瓷层叠体; 切割陶瓷层压体; 将包含陶瓷粉末的浆料涂覆到陶瓷层叠体上; 并干燥施加到陶瓷层压体上的浆料。 根据本发明的实施例，可以去除在多层陶瓷电容器的制造过程中产生的裂纹，使得多层陶瓷电容器可以具有优异的可靠性。

公开(公告)号：US20130063862A1

公开(公告)日：2013-03-14

申请号：US13333359

申请日：2011-12-21

申请人： Jong Han KIM ,  Hyun Chul Jeong ,  Jae Man Park

发明人： Jong Han KIM ,  Hyun Chul Jeong ,  Jae Man Park

IPC分类号： H01G4/008 ,  B32B38/14

CPC分类号： H01G4/30 ,  H01G4/005

摘要： There is provided a multilayer ceramic electronic component, including: a ceramic main body including a dielectric layer; and inner electrodes disposed to face each other within the ceramic main body, with the dielectric layer interposed therebetween, wherein, when an average thickness of the dielectric layer is td and an average thickness of the inner electrodes is te, 0.1 μm≦te≦0.5 μm and (td+te)/te≦2.5 are satisfied, and when an average surface roughness on a virtual surface roughness center line of the inner electrode is Ra and an average roughness of ten points of the inner electrode is Rz, 5 nm≦Ra≦30 nm, 150 nm≦Rz≦td/2, and 8≦Rz/Ra≦20 are satisfied. The multilayer ceramic electronic component has excellent reliability by improving adhesion strength between the dielectric layer and the inner electrodes and withstand voltage characteristics.

摘要翻译： 提供了一种多层陶瓷电子部件，包括：包括电介质层的陶瓷主体; 以及在陶瓷主体内部彼此相对配置的内部电极，介电层插入其间，其中，当电介质层的平均厚度为td，内部电极的平均厚度为te时，为0.1μm＆lt; lE; te＆nlE; 0.5 并且当内部电极的虚拟表面粗糙度中心线上的平均表面粗糙度为Ra并且内部电极的10个点的平均粗糙度为Rz时，为5nm＆amp; nlE;并且（td + te）/te＆ Ra和nlE; 30nm，150nm和nlE; Rz＆amp; NlE; td / 2和8＆nlE; Rz / Ra＆nlE; 20。 多层陶瓷电子部件通过提高介电层与内部电极之间的粘合强度和耐电压特性而具有优异的可靠性。

公开(公告)号：US20130049532A1

公开(公告)日：2013-02-28

申请号：US13333220

申请日：2011-12-21

申请人： Jong Han KIM ,  Hyun Chul Jeong

发明人： Jong Han KIM ,  Hyun Chul Jeong

IPC分类号： H01L41/00 ,  H01C7/10 ,  B32B37/06 ,  H01G4/12 ,  B32B37/14 ,  H01C7/13 ,  H01F5/00

CPC分类号： H01G4/30 ,  H01C7/1006 ,  H01C7/13 ,  H01C7/18 ,  H01G4/0085 ,  H01G4/12

摘要： There are provided a ceramic electronic component and a method of manufacturing the same. The ceramic electronic component includes: a ceramic element; and an internal electrode layer formed within the ceramic element, having a thickness of 0.5 μm or less, and including anon-electrode region formed therein, wherein an area ratio of the non-electrode region to an electrode region of the internal electrode layer, in a cross section of the internal electrode layer is between 0.1% and 10%, and the non-electrode region includes a ceramic component.

摘要翻译： 提供陶瓷电子部件及其制造方法。 陶瓷电子部件包括：陶瓷元件; 以及形成在所述陶瓷元件内的内部电极层，其厚度为0.5μm以下，并且包括形成在其中的阳极区域，其中所述非电极区域与所述内部电极层的电极区域的面积比， 内部电极层的截面为0.1％〜10％，非电极区域为陶瓷成分。

公开(公告)号：US20130003257A1

公开(公告)日：2013-01-03

申请号：US13536409

申请日：2012-06-28

申请人： Jong Han KIM ,  Jun Hee Kim

发明人： Jong Han KIM ,  Jun Hee Kim

IPC分类号： H01B1/22 ,  H01G4/12

CPC分类号： H01B1/22 ,  H01G4/0085 ,  H01G4/12 ,  H01G4/1227 ,  H01G4/30

摘要： A conductive paste for an internal electrode of a multilayer ceramic electronic component capable of restraining a generation of cracks by reducing internal stress, and a multilayer ceramic electronic component fabricated by using the same are provided. The conductive paste for an internal electrode of a multilayer ceramic electronic component includes: 100 parts by weight of a conductive metal powder; and 0.6 to 2.4 parts by weight of an organic binder. The use of the conductive paste can reduce internal stress of a multilayer ceramic electronic component, thus restraining a generation of cracks therein in the multilayer ceramic electronic component.

摘要翻译： 提供一种能够通过降低内部应力来抑制裂纹产生的多层陶瓷电子部件的内部电极用导电性糊料，以及使用该导电性糊料制造的多层陶瓷电子部件。 多层陶瓷电子部件的内部电极用导电性糊剂包括：100重量份的导电性金属粉末; 和0.6〜2.4重量份的有机粘合剂。 使用导电膏可以降低多层陶瓷电子部件的内应力，从而抑制多层陶瓷电子部件中的裂纹的产生。

公开(公告)号：US20120322566A1

公开(公告)日：2012-12-20

申请号：US13495531

申请日：2012-06-13

申请人： Jong Han KIM

发明人： Jong Han KIM

IPC分类号： F16D3/00

CPC分类号： B62D5/0409 ,  F16D3/02 ,  F16D3/10 ,  F16D3/74 ,  F16D3/76 ,  F16D2001/103

摘要： The present invention relates to a reducer of an electric power steering system. By the system, it is possible to prevent a noise from being produced by a clearance between an inner rotor and an outer rotor. Further, since the steps of assembling the inner and outer rotors and applying grease are omitted, it is possible to simplify the assembling process of the reducer, to reduce the material costs, and to improve stability in assembling.

摘要翻译： 本发明涉及一种电动助力转向系统的减速器。 通过该系统，可以防止由内转子和外转子之间的间隙产生噪声。 此外，由于省略了组装内外转子和涂敷润滑脂的步骤，所以可以简化减速机的组装过程，降低材料成本，提高组装的稳定性。