公开(公告)号：US07755214B2

公开(公告)日：2010-07-13

申请号：US11440042

申请日：2006-05-25

申请人： Seung-woo Kim ,  Seong-soo Lee ,  Jae-sup Lee

发明人： Seung-woo Kim ,  Seong-soo Lee ,  Jae-sup Lee

IPC分类号： H02J3/02

CPC分类号： H03F3/19 ,  H03F1/56 ,  Y10T307/25

摘要： A diode circuit having a passive element property, and an impedance modulator and a direct current (DC) source that use the diode circuit are provided. The diode circuit includes a first diode that generates a predetermined DC and alternating currents (AC) when a radio frequency (RF) signal is applied; and a DC path that is connected in parallel to the first diode, forms a predetermined loop and circulates the DC current within the loop. The DC path includes an inductor or an LC parallel resonator. The DC path includes a second diode that is disposed in the opposite direction to the first diode and connected to the first diode in parallel. The present invention can relieve difficulty in designing an RF circuit.

摘要翻译： 提供具有无源元件特性的二极管电路以及使用二极管电路的阻抗调制器和直流（DC）源。 二极管电路包括当应用射频（RF）信号时产生预定的DC和交流电流（AC）的第一二极管; 并且与第一二极管并联连接的DC路径形成预定的环路并使该直流电流循环。 DC路径包括电感器或LC并联谐振器。 DC路径包括与第一二极管相反的方向设置并并联连接到第一二极管的第二二极管。 本发明可以减轻设计RF电路的难度。

公开(公告)号：US07449974B2

公开(公告)日：2008-11-11

申请号：US11330104

申请日：2006-01-12

申请人： Jae-sup Lee ,  Dong-hyun Lee ,  Seong-soo Lee

发明人： Jae-sup Lee ,  Dong-hyun Lee ,  Seong-soo Lee

IPC分类号： H03H5/00

CPC分类号： H01F17/0013 ,  H01F2017/008

摘要： Provided are an on-chip balun, a transceiver using the on-chip balun, and a method for fabricating the on-chip balun. The on-chip balun includes: a first metal winding including a port grounded and a port to which an unbalanced signal is input; a second winding outputting an induced current generated by the first metal winding as two signals having about equal intensity and a phase difference of about 180°; and a ground shield positioned between the first and second metal windings and having a symmetric structure so as to generate a symmetric parasitic capacitance between the ground shield and the second metal winding. The ground shield can be inserted between the first and second metal windings to remove an asymmetrical parasitic capacitance so as to reduce a phase imbalance and a gain imbalance of an output value of the second metal winding. As a result, a highly balanced on-chip balun can be fabricated.

摘要翻译： 提供了片上平衡 - 不平衡转换器，使用片上平衡 - 不平衡转换器的收发器以及制造片上平衡 - 不平衡转换器的方法。 片上平衡 - 不平衡变压器包括：第一金属绕组，其包括接地的端口和输入不平衡信号的端口; 输出由第一金属绕组产生的感应电流的第二绕组作为具有大约相同强度的两个信号和约180°的相位差; 以及位于第一和第二金属绕组之间并具有对称结构以便在接地屏蔽和第二金属绕组之间产生对称寄生电容的接地屏蔽。 接地屏蔽可以插入在第一和第二金属绕组之间以去除不对称的寄生电容，以便减少相位不平衡和第二金属绕组的输出值的增益不平衡。 因此，可以制造高度平衡的片上平衡 - 不平衡变压器。

公开(公告)号：US07414490B2

公开(公告)日：2008-08-19

申请号：US11288212

申请日：2005-11-29

申请人： Sang-yoon Jeon ,  Heung-bae Lee ,  Seong-soo Lee ,  Jinup Lim ,  Joongho Choi

发明人： Sang-yoon Jeon ,  Heung-bae Lee ,  Seong-soo Lee ,  Jinup Lim ,  Joongho Choi

IPC分类号： H03B5/12

CPC分类号： H03B5/1228 ,  H03B5/1209 ,  H03B5/1215 ,  H03B5/124

摘要： Disclosed is a dual-band voltage-controlled oscillator using bias switching and output-buffer multiplexing. The dual-band voltage-controlled oscillator includes a power supply unit for supplying a source voltage; plural voltage-controlled oscillation units for outputting different oscillation frequencies according to controls of a certain tuning voltage; plural bias units for generating driving voltages for driving the voltage-controlled oscillation units and supplying the driving voltages to the voltage-controlled oscillation units; and plural buffers for selectively outputting oscillation frequencies of the plural voltage-controlled oscillation units. The present invention implements the dual-band voltage-controlled oscillator through bias switching and output-buffer multiplexing, which brings an advantage of elimination of interference between output frequencies to enhance phase noise characteristics.

摘要翻译： 公开了一种使用偏置开关和输出缓冲器复用的双频带压控振荡器。 双频带压控振荡器包括用于提供源电压的电源单元; 多个电压控制振荡单元，用于根据某个调谐电压的控制输出不同的振荡频率; 多个偏压单元，用于产生用于驱动压控振荡单元的驱动电压并将驱动电压提供给压控振荡单元; 以及用于选择性地输出多个压控振荡单元的振荡频率的多个缓冲器。 本发明通过偏置开关和输出缓冲多路复用来实现双频压控振荡器，其具有消除输出频率之间的干扰以增强相位噪声特性的优点。

公开(公告)号：US07274335B2

公开(公告)日：2007-09-25

申请号：US11442529

申请日：2006-05-30

申请人： Yong-jin Kim ,  Do-hoon Kwon ,  Seong-soo Lee ,  Young-eil Kim

发明人： Yong-jin Kim ,  Do-hoon Kwon ,  Seong-soo Lee ,  Young-eil Kim

IPC分类号： H01Q1/24

CPC分类号： H01Q1/243 ,  H01Q9/42

摘要： An antenna for a slide-type wireless terminal device includes a radiator formed in a first body, a ground surface formed on a second body, a power feeder connected to the ground surface in the second body, a first connection part connected to the radiator in the first body and operative to come in contact with the power feeder when the first body is slidably moved, and a short-circuit wire operative to come in contact with the radiator and the ground surface when the first body is slidably moved.

摘要翻译： 一种用于滑盖式无线终端装置的天线，包括形成在第一主体中的散热器，形成在第二主体上的接地面，连接到第二主体中的接地面的电力馈送器，连接到散热器的第一连接部 所述第一主体在所述第一主体可滑动地移动时与所述供电装置接触，并且当所述第一主体可滑动地移动时可操作地与所述散热器和所述接地表面接触的短路线。

公开(公告)号：US07268730B2

公开(公告)日：2007-09-11

申请号：US11376336

申请日：2006-03-16

申请人： Ikmo Park ,  Jong-ho Jung ,  Young-min Moon ,  Seong-soo Lee ,  Young-eil Kim

发明人： Ikmo Park ,  Jong-ho Jung ,  Young-min Moon ,  Seong-soo Lee ,  Young-eil Kim

IPC分类号： H01Q1/38

CPC分类号： H01Q9/0407 ,  H01Q9/30

摘要： A small broadband monopole antenna having a perpendicular ground plane with an electromagnetically coupled feed is provided. The small broadband monopole antenna may be realized as a small antenna having a size of 0.085λ0×0.085λ0×0.085λ0 by positioning a folded strip line under a shorted square disc. A resonance of the shorted square disc may be coupled to a resonance of the square folded strip line so as to form a wide bandwidth of about 36.6% of a central frequency of 2.313 GHz based on a VSWR≦2. Also, rectangular slits may be inserted into the perpendicular ground plane to improve a distortion of a radiation pattern that forms on the perpendicular ground plane so as to reduce a backward radiation by 3 dBi or more. The small broadband monopole antenna exhibits a forward radiation pattern similar to that of a general monopole antenna and has a gain of about 2.6 dBi within a bandwidth.

摘要翻译： 提供具有电磁耦合馈电的具有垂直接地平面的小宽带单极天线。 小型宽带单极天线可以通过定位来实现为具有大小为0.085λλ0.085λλ0.085λλ0<0的小天线 在短方形盘下的折叠带状线。 短路方形盘的谐振可以耦合到方形折叠带状线的谐振，从而基于VSWR <= 2形成约2.313GHz的中心频率的约36.6％的宽带宽。 此外，矩形狭缝可以插入到垂直接地平面中，以改善在垂直接地平面上形成的辐射图案的变形，以便将后向辐射减小3dBii或更大。 小宽带单极天线具有类似于一般单极天线的正向辐射图，并且在带宽内具有约2.6dBi的增益。

公开(公告)号：US20070139281A1

公开(公告)日：2007-06-21

申请号：US11522966

申请日：2006-09-19

申请人： Se-hyun Park ,  Byung-tae Yoon ,  Young-eil Kim ,  Seong-soo Lee

发明人： Se-hyun Park ,  Byung-tae Yoon ,  Young-eil Kim ,  Seong-soo Lee

IPC分类号： H01Q1/24

CPC分类号： H01Q1/243 ,  H01Q9/0407 ,  H01Q9/0421 ,  H01Q21/28

摘要： Disclosed is a mobile terminal with plural antennas. The mobile terminal with plural antennas, comprising a circuit board formed with a variety of elements, at least one first antenna formed on one surface of the circuit board to transmit and receive a radio signal for mobile communications, and at least one second antenna formed on the other surface of the circuit board to transmit and receive a radio signal for additional services. Accordingly, as the size of the mobile terminal does not necessarily increase to have plural antennas, the mobile terminal can be miniaturized.

摘要翻译： 公开了具有多个天线的移动终端。 具有多个天线的移动终端，包括形成有各种元件的电路板，形成在电路板的一个表面上的至少一个第一天线，用于发送和接收用于移动通信的无线电信号，以及至少一个第二天线，形成在 电路板的另一个表面用于发送和接收无线电信号以用于附加业务。 因此，随着移动终端的尺寸不一定增加到具有多个天线，移动终端可以被小型化。

公开(公告)号：US20070133694A1

公开(公告)日：2007-06-14

申请号：US11494729

申请日：2006-07-28

申请人： Jae-hyon Kim ,  Young-hwan Kim ,  Seong-soo Lee ,  Joonhyuk Kang ,  Yungil Kim ,  Hyounkuk Kim ,  Hyoncheol Park ,  Jaeseung Son

发明人： Jae-hyon Kim ,  Young-hwan Kim ,  Seong-soo Lee ,  Joonhyuk Kang ,  Yungil Kim ,  Hyounkuk Kim ,  Hyoncheol Park ,  Jaeseung Son

IPC分类号： H04L27/00 ,  H03K9/00

CPC分类号： H04B1/7176 ,  H04B1/71635 ,  H04B1/71637 ,  H04L27/001

摘要： A communication system which transmits and receives a communication signal having an intra-guard-interval (IGI) inserted is provided. The communication system includes a signal generator which is configured to generate a signal to carry data; and a signal output part which is configured to split a symbol period, which is a transmission unit of the communication signal into a plurality of sections, and to selectively insert the signal which is generated into the plurality of sections, and to output the communication signal.

摘要翻译： 提供发送和接收具有插入的保护间隔（IGI）的通信信号的通信系统。 通信系统包括：信号发生器，被配置为产生携带数据的信号; 以及信号输出部，其被配置为将作为通信信号的发送单元的符号周期分割成多个部分，并且选择性地将生成的信号插入到多个部分中，并输出通信信号 。

公开(公告)号：US20070121945A1

公开(公告)日：2007-05-31

申请号：US11600864

申请日：2006-11-17

申请人： Sang-min Han ,  Popov Oleg ,  Seong-soo Lee

发明人： Sang-min Han ,  Popov Oleg ,  Seong-soo Lee

IPC分类号： H04L9/00

CPC分类号： H04L27/001 ,  H04B1/71632 ,  H04B1/7174 ,  H04L5/023

摘要： An adjustable chaotic signal generator using pulse modulation for UWB communications, and a chaotic signal generating method thereof are provided. The chaotic signal generator for UWB communications includes a plurality of pulse generators which generates pulses of different frequencies; at least one combiner which combines the pulses generated at the pulse generators; and a plurality of local oscillators which receives signals from the combiner, respectively, and generates a chaotic signal by increasing the received signals to different frequency bands. Accordingly, a plurality of users can conduct the radio communications in a specific wireless communication range at the same time by generating the chaotic signal that can be split to the multiple channels. Also, the chaotic signal generator is structured using devices integratable on an integrated circuit.

摘要翻译： 提供一种使用UWB通信脉冲调制的可调混沌信号发生器及其混沌信号产生方法。 用于UWB通信的混沌信号发生器包括产生不同频率的脉冲的多个脉冲发生器; 组合脉冲发生器产生的脉冲的至少一个组合器; 以及分别从组合器接收信号的多个本地振荡器，并且通过将接收的信号增加到不同的频带来产生混沌信号。 因此，多个用户可以通过生成可以分割成多个信道的混沌信号，同时在特定的无线通信范围内进行无线通信。 此外，混沌信号发生器使用可集成在集成电路上的器件进行结构化。

公开(公告)号：US20070121735A1

公开(公告)日：2007-05-31

申请号：US11499700

申请日：2006-08-07

申请人： Jae-hyon Kim ,  Young-hwan Kim ,  Seong-soo Lee

发明人： Jae-hyon Kim ,  Young-hwan Kim ,  Seong-soo Lee

IPC分类号： H04L27/00

CPC分类号： H04L27/00

摘要： A communication system using a length shift keying (LSK) modulation method provides a transmitter having a carrier signal generator for generating carrier signals, and a modulator for modulating lengths of the carrier signals from the carrier signal generator according to combinations of data bits, and a receiver having an integrator for calculating an energy value by integrating the carrier signal that corresponds to a data bit combination, and a data judgment unit for judging the data bit combination by comparing the energy value with a predetermined threshold value. Power is maintained without changing the bandwidth of a communication signal when the communication signal is modulated.

摘要翻译： 使用长移键控（LSK）调制方法的通信系统提供具有用于产生载波信号的载波信号发生器的发射机，以及用于根据数据比特的组合来调制来自载波信号发生器的载波信号长度的调制器， 具有用于通过对与数据位组合相对应的载波信号进行积分来计算能量值的积分器的接收机，以及用于通过将能量值与预定阈值进行比较来判断数据比特组合的数据判断单元。 当通信信号被调制时，维持功率而不改变通信信号的带宽。

公开(公告)号：US20060202776A1

公开(公告)日：2006-09-14

申请号：US11330104

申请日：2006-01-12

申请人： Jae-sup Lee ,  Dong-hyun Lee ,  Seong-soo Lee

发明人： Jae-sup Lee ,  Dong-hyun Lee ,  Seong-soo Lee

IPC分类号： H03H7/42

CPC分类号： H01F17/0013 ,  H01F2017/008

摘要： Provided are an on-chip balun, a transceiver using the on-chip balun, and a method for fabricating the on-chip balun. The on-chip balun includes: a first metal winding including a port grounded and a port to which an unbalanced signal is input; a second winding outputting an induced current generated by the first metal winding as two signals having about equal intensity and a phase difference of about 180°; and a ground shield positioned between the first and second metal windings and having a symmetric structure so as to generate a symmetric parasitic capacitance between the ground shield and the second metal winding. The ground shield can be inserted between the first and second metal windings to remove an asymmetrical parasitic capacitance so as to reduce a phase imbalance and a gain imbalance of an output value of the second metal winding. As a result, a highly balanced on-chip balun can be fabricated.

摘要翻译： 提供了片上平衡 - 不平衡转换器，使用片上平衡 - 不平衡转换器的收发器以及制造片上平衡 - 不平衡转换器的方法。 片上平衡 - 不平衡变压器包括：第一金属绕组，其包括接地的端口和输入不平衡信号的端口; 输出由第一金属绕组产生的感应电流的第二绕组作为具有大约相同强度的两个信号和约180°的相位差; 以及位于第一和第二金属绕组之间并具有对称结构以便在接地屏蔽和第二金属绕组之间产生对称的寄生电容的接地屏蔽。 接地屏蔽可以插入在第一和第二金属绕组之间以去除不对称的寄生电容，以便减少相位不平衡和第二金属绕组的输出值的增益不平衡。 因此，可以制造高度平衡的片上平衡 - 不平衡变压器。