公开(公告)号：US20100141348A1

公开(公告)日：2010-06-10

申请号：US12565240

申请日：2009-09-23

申请人： Tae Young KANG ,  Kyung Hwan PARK ,  Seok Bong HYUN ,  Tae Wook KANG ,  Kyung Soo KIM ,  Sung Eun KIM ,  Jung Bum KIM ,  Hey Jin MYOUNG ,  Hyung II PARK ,  In Gi LIM ,  Byoung Gun CHOI ,  Chang Hee HYOUNG ,  Jung Hwan HWANG ,  Sung Weon KANG

发明人： Tae Young KANG ,  Kyung Hwan PARK ,  Seok Bong HYUN ,  Tae Wook KANG ,  Kyung Soo KIM ,  Sung Eun KIM ,  Jung Bum KIM ,  Hey Jin MYOUNG ,  Hyung II PARK ,  In Gi LIM ,  Byoung Gun CHOI ,  Chang Hee HYOUNG ,  Jung Hwan HWANG ,  Sung Weon KANG

IPC分类号： H03K3/023

CPC分类号： H03K3/03 ,  H03K3/0231

摘要： There is provided a low-power relaxation oscillator. The low-power relaxation oscillator may include: a constant current generation unit generating a current having a predetermined magnitude; a current varying unit controlling the current generated from the constant current generation unit according to a clock control signal to output the controlled current; a first controller and a second controller connected in parallel with output terminals of the current varying unit and passing or interrupting the current supplied from the current varying unit; a PMOS charging/discharging unit arranged between an output terminal of the first controller and an output terminal of the second controller; a first comparator and a second comparator connected to both ends of the PMOS charging/discharging unit, respectively, and each outputting a high or low level voltage upon receiving voltage charged in the PMOS charging/discharging unit; and a latch circuit delaying the voltages output from the first and second comparators to output oscillation signals.

摘要翻译： 提供了一个低功耗松弛振荡器。 低功率张弛振荡器可以包括：产生具有预定大小的电流的恒定电流产生单元; 电流变化单元，根据时钟控制信号控制从恒定电流产生单元产生的电流，以输出受控电流; 第一控制器和第二控制器，与电流变化单元的输出端并联连接，并通过或中断从电流变化单元提供的电流; PMOS充电/放电单元，布置在第一控制器的输出端和第二控制器的输出端之间; 分别连接到PMOS充电/放电单元的两端的第一比较器和第二比较器，并且在接收到PMOS充电/放电单元中充电的电压时，分别输出高电平或低电平电压; 以及将从第一和第二比较器输出的电压延迟以输出振荡信号的锁存电路。

公开(公告)号：US07688137B2

公开(公告)日：2010-03-30

申请号：US12023449

申请日：2008-01-31

申请人： Min Park ,  Tae-Young Kang ,  Byoung-Gun Choi ,  Yun-Ho Choi ,  Byung-Jo Kim ,  Young-Ho Kim ,  Kyung-Hwan Park ,  Seok-Bong Hyun ,  Nak-Woong Eum

发明人： Min Park ,  Tae-Young Kang ,  Byoung-Gun Choi ,  Yun-Ho Choi ,  Byung-Jo Kim ,  Young-Ho Kim ,  Kyung-Hwan Park ,  Seok-Bong Hyun ,  Nak-Woong Eum

IPC分类号： H03F3/68

CPC分类号： H03G3/3042 ,  H03F1/0261 ,  H03F1/0277 ,  H03F1/32 ,  H03F3/211 ,  H03F3/72 ,  H03F2200/318 ,  H03F2200/451 ,  H03F2203/21103 ,  H03F2203/21139 ,  H03F2203/7233

摘要： A low power consuming mixed mode power amplifier which includes: a low output amplifier circuit generating a power amplified result having high efficiency in a low output mode that is most frequently used; a high output amplifier circuit generating an amplified result having high linearity in a high output mode of a region consuming the most power; and an amplifier controller selectively activating the low and high output amplifier circuits according to a power level of an input signal. The high and low output amplifier circuits have a predetermined gain difference.

摘要翻译： 一种低功耗混合模式功率放大器，包括：低输出放大器电路，其产生在最常使用的低输出模式下具有高效率的功率放大结果; 高输出放大器电路，在消耗最大功率的区域的高输出模式中产生具有高线性度的放大结果; 以及放大器控制器，根据输入信号的功率电平选择性地激活低和高输出放大器电路。 高和低输出放大器电路具有预定的增益差。

公开(公告)号：US07675374B2

公开(公告)日：2010-03-09

申请号：US12111555

申请日：2008-04-29

申请人： Byung Hun Min ,  Young Ho Kim ,  Byoung Gun Choi ,  Seok Bong Hyun

发明人： Byung Hun Min ,  Young Ho Kim ,  Byoung Gun Choi ,  Seok Bong Hyun

IPC分类号： H03L5/00

CPC分类号： H03L5/00 ,  H03B5/04 ,  H03B5/1215 ,  H03B5/1228 ,  H03B5/1243

摘要： Provided is a voltage controlled oscillator to which a switching bias technique is applied so as to lower flicker noise of a bias circuit and enhance phase noise characteristics, thereby reducing the overall chip area to make it possible to achieve integration. A common mode voltage applied to the bias circuit is negatively fed back to an oscillation waveform. Therefore, it is possible to stabilize the magnitude of the oscillation waveform of the voltage controlled oscillator with respect to a change in an external condition.

摘要翻译： 提供了一种施加了开关偏压技术的压控振荡器，以便降低偏置电路的闪烁噪声并增强相位噪声特性，由此减小整个芯片面积以实现集成。 施加到偏置电路的共模电压被反馈回振荡波形。 因此，可以相对于外部条件的变化来稳定压控振荡器的振荡波形的大小。

公开(公告)号：US20100045446A1

公开(公告)日：2010-02-25

申请号：US12408093

申请日：2009-03-20

申请人： SEOK BONG HYUN ,  Sung Weon Kang ,  Tae Young Kang ,  Tae Wook Kang ,  Kyung Soo Kim ,  Sung Eun Kim ,  Jung Bum Kim ,  Jin Kyung Kim ,  Hey Jin Myoung ,  Kyung Hwan Park ,  Hyung II Park ,  In Gi Lim ,  Byoung Gun Choi ,  Chang Hee Hyoung ,  Jung Hwan Hwang

发明人： SEOK BONG HYUN ,  Sung Weon Kang ,  Tae Young Kang ,  Tae Wook Kang ,  Kyung Soo Kim ,  Sung Eun Kim ,  Jung Bum Kim ,  Jin Kyung Kim ,  Hey Jin Myoung ,  Kyung Hwan Park ,  Hyung II Park ,  In Gi Lim ,  Byoung Gun Choi ,  Chang Hee Hyoung ,  Jung Hwan Hwang

IPC分类号： H04Q5/22

CPC分类号： H04Q9/00 ,  H04B13/005 ,  H04Q2209/47

摘要： An a Radio Frequency Identification (RFID) system using human body communication includes a first electrode pad receiving a signal of a reader transmitted through a human body, or outputting an output signal to the human body, a rectifier rectifying the signal of the reader to generate a direct current (DC) voltage, a power manager changing the DC voltage into an operation voltage, a modulator/demodulator demodulating the signal of the reader, or modulating the output signal of the tag to transfer the modulated signal to the first electrode pad, a digital controller performing a read or write operation in response to the signal of the reader demodulated by the modulator/demodulator, and a memory storing identification information of the tag and information according to an operation result of the digital controller.

摘要翻译： 使用人体通信的射频识别（RFID）系统包括：接收通过人体传输的读取器的信号的第一电极焊盘，或向人体输出输出信号的整流器，对读取器的信号进行整流以产生 直流（DC）电压，功率管理器将直流电压改变为工作电压，调制器/解调器解调读取器的信号，或调制标签的输出信号以将调制信号传送到第一电极焊盘， 响应于由调制器/解调器解调的读取器的信号执行读或写操作的数字控制器，以及根据数字控制器的操作结果存储标签和信息的识别信息的存储器。

公开(公告)号：US07542521B2

公开(公告)日：2009-06-02

申请号：US11226045

申请日：2005-09-14

申请人： Byoung Gun Choi ,  Seok Bong Hyun ,  Geum Young Tak ,  Hee Tae Lee ,  Seong-Su Park ,  Chul Soon Park

发明人： Byoung Gun Choi ,  Seok Bong Hyun ,  Geum Young Tak ,  Hee Tae Lee ,  Seong-Su Park ,  Chul Soon Park

IPC分类号： H03K9/00

CPC分类号： H03D7/1441 ,  H03D7/1491 ,  H03D7/165 ,  H03D2200/0084

摘要： Provided is a direct-conversion frequency mixer for down converting a radio frequency (RF) signal into a baseband signal, in which a single phase RF signal and a quadrature location oscillation (quadrature LO) signal are used to generate the baseband signal, the frequency mixer comprising a first frequency mixing unit that uses quadrature LO signals having respective phases of 0 degrees and 180 degrees to directly down-convert the single phase RF signal into the in-phase baseband signal, and a second frequency mixing unit that uses quadrature LO signals having respective phases of 90 degrees and 270 degrees to directly down-convert the single phase RF signal into the quadrature-phase baseband signal, whereby drains and sources of the transistor for receiving the quadrature LO signal and the transistor for receiving the RF signal are connected in common, thus enabling low power source voltage driving.

摘要翻译： 提供了一种用于将射频（RF）信号下变频为基带信号的直接转换混频器，其中使用单相RF信号和正交位置振荡（正交LO）信号来产生基带信号，频率 混频器，其包括使用具有0度和180度的相位的正交LO信号的第一频率混合单元，以将单相RF信号直接下变频为同相基带信号;以及第二混频单元，其使用正交LO信号 具有90度和270度的各个相位以将单相RF信号直接下变频为正交基带信号，由此连接用于接收正交LO信号的晶体管的漏极和源极以及用于接收RF信号的晶体管被​​连接 因此能够实现低电源电压驱动。

公开(公告)号：US20090137220A1

公开(公告)日：2009-05-28

申请号：US12111913

申请日：2008-04-29

申请人： Young-Ho KIM ,  Seok-Bong Hyun

发明人： Young-Ho KIM ,  Seok-Bong Hyun

IPC分类号： H04B1/16 ,  H03G3/00 ,  H03F3/16

CPC分类号： H03G3/3052 ,  H03F3/45475 ,  H03F3/45968 ,  H03F2203/45134 ,  H03F2203/45138 ,  H03F2203/45212 ,  H03H11/1291

摘要： Provided are a variable gain amplifier and a receiver including the same. The variable gain amplifier includes: a gain controller generating a gain control voltage; a variable gain amplifier amplifying an input signal and a feedback signal by using a voltage gain that is linearly proportional to the gain control voltage, and converting the amplified signal into a predetermined magnitude of a signal; and an offset canceller removing an offset from an output signal of the variable gain amplifier and outputting the offset removed result as the feedback signal. The variable gain amplifier includes a plurality of operational transconductance amplifiers.

摘要翻译： 提供一种可变增益放大器和包括该可变增益放大器的接收器。 可变增益放大器包括：增益控制器，产生增益控制电压; 可变增益放大器，通过使用与增益控制电压成线性比例的电压增益来放大输入信号和反馈信号，并将放大的信号转换成预定幅度的信号; 以及偏移消除器，其从所述可变增益放大器的输出信号中移除偏移并输出所述偏移去除结果作为所述反馈信号。 可变增益放大器包括多个运算跨导放大器。

公开(公告)号：US07508860B2

公开(公告)日：2009-03-24

申请号：US11004383

申请日：2004-12-03

申请人： Seok-Bong Hyun ,  Geum-Young Tak ,  Byung Jo Kim ,  Kyung Hwan Park ,  Jeen Hur ,  Seong-Su Park

发明人： Seok-Bong Hyun ,  Geum-Young Tak ,  Byung Jo Kim ,  Kyung Hwan Park ,  Jeen Hur ,  Seong-Su Park

IPC分类号： H04B1/00

CPC分类号： H04B1/7174 ,  H04B1/7183 ,  H04L2025/03375 ,  H04L2025/0349

摘要： Provided are a pulse signal generator for UWB radio transception and a radio transceiver having the same. The pulse signal generator includes: an envelope generator generating a plurality of envelope signals; a local oscillator array composed of a plurality of high frequency oscillators, each outputting two oscillation signals having a phase difference from each other; a multiplier array receiving the envelope signals and the oscillation signals and outputting signals obtained by respectively multiplying the envelope signals by the oscillation signals; and an I channel adder and a Q channel adder outputting an I channel pulse signal and a Q channel pulse signal by adding output signals having the same phase components among the signals output from the multiplier array, respectively.

摘要翻译： 提供了一种用于UWB无线电收发的脉冲信号发生器和具有该脉冲信号发生器的无线收发器。 脉冲信号发生器包括：产生多个包络信号的包络发生器; 由多个高频振荡器组成的本地振荡器阵列，每个振荡器输出具有彼此相位差的两个振荡信号; 接收包络信号和振荡信号的乘法器阵列，并输出通过将包络信号乘以振荡信号而获得的信号; 以及I通道加法器和Q通道加法器，分别通过将从乘法器阵列输出的信号中相加相位分量的输出信号相加，输出I通道脉冲信号和Q通道脉冲信号。

公开(公告)号：US07397321B2

公开(公告)日：2008-07-08

申请号：US11499440

申请日：2006-08-04

申请人： Seok Bong Hyun ,  Kyung Hwan Park ,  Tae Young Kang ,  Seong Su Park

发明人： Seok Bong Hyun ,  Kyung Hwan Park ,  Tae Young Kang ,  Seong Su Park

IPC分类号： H01P1/38

CPC分类号： H03H7/52

摘要： Provided are a digitally controlled circulator and a radio frequency identification (RFID) reader having the circulator. A power splitter is composed of lumped elements and the values of the elements are digitally changed using switching means, in which the transmission loss of a signal is controlled according to whether the reader is in a transmission state or a reception state. Therefore, the loss can be minimized, and the circulator can be miniaturized and priced down by an integrated circuit (IC) semiconductor process and mounted in a mobile terminal such as a cellular phone.

摘要翻译： 提供了一种数字控制循环器和具有循环器的射频识别（RFID）读取器。 功率分配器由集总元件组成，并且使用切换装置对元件的值进行数字改变，其中根据读取器是处于传输状态还是接收状态来控制信号的传输损耗。 因此，可以使损耗最小化，并且可以通过集成电路（IC）半导体工艺将循环器小型化和定价，并且安装在诸如蜂窝电话的移动终端中。

公开(公告)号：US06980075B2

公开(公告)日：2005-12-27

申请号：US10714287

申请日：2003-11-13

申请人： Bongki Mheen ,  Seok-bong Hyun ,  Dong Woo Suh ,  Jin-Yeong Kang

发明人： Bongki Mheen ,  Seok-bong Hyun ,  Dong Woo Suh ,  Jin-Yeong Kang

IPC分类号： H01F17/00 ,  H01L21/02 ,  H01L27/08 ,  H01F5/00

CPC分类号： H01L28/10 ,  H01F17/0006 ,  H01L27/08

摘要： A method for arranging unit inductors of an inductor having metal wiring that can make a full use of self-inductance and mutual-inductance which are determined based on the proportion of the area of an unit inductor and the proportion of the overlapping area with another unit inductor, and an inductor adopting the unit inductor arranging method. The unit inductor arranging method, wherein the inductor includes a first unit inductor, a second inductor and a third inductor, and self-inductance magnitudes of the unit inductors are in the order of the self-inductance of the third inductor>the self-inductance of the second inductor>the self-inductance of the first inductor, includes the steps of: a) coupling one end of the second unit inductor is connected to one end of the first unit inductor and one end of the third unit inductor to the other end of the first unit inductor in order to arrange the first unit inductor between the second and third unit inductors of which mutual-inductance has the largest value in mutual-inductances between the unit inductors; b) coupling the second unit inductor to a first external terminal; and c) coupling the third unit inductor to a second external terminal.

摘要翻译： 一种用于布置具有金属布线的电感器的单元电感器的方法，该电感器可以充分利用基于单位电感器的面积的比例和与另一单元的重叠区域的比例确定的自感和互感 电感器和采用单元电感器布置方法的电感器。 单元电感器布置方法，其中电感器包括第一单元电感器，第二电感器和第三电感器，并且单位电感器的自感大小等于第三电感器的自感量>自感 的第二电感器的自感包括以下步骤：a）耦合第二单元电感器的一端连接到第一单元电感器的一端并且将第三单元电感器的一端连接到另一端 从而将第一单元电感器布置在单元电感器之间的互感中互感具有最大值的第二和第三单元电感器之间; b）将第二单元电感器耦合到第一外部端子; 以及c）将所述第三单元电感器耦合到第二外部端子。

公开(公告)号：US08755949B2

公开(公告)日：2014-06-17

申请号：US12950970

申请日：2010-11-19

申请人： In Gi Lim ,  Sung Weon Kang ,  Hyung Il Park ,  Chang Hee Hyoung ,  Jung Hwan Hwang ,  Tae Wook Kang ,  Kyung Soo Kim ,  Jung Bum Kim ,  Sung Eun Kim ,  Seok Bong Hyun ,  Kyung Hwan Park ,  Byoung Gun Choi ,  Tae Young Kang

发明人： In Gi Lim ,  Sung Weon Kang ,  Hyung Il Park ,  Chang Hee Hyoung ,  Jung Hwan Hwang ,  Tae Wook Kang ,  Kyung Soo Kim ,  Jung Bum Kim ,  Sung Eun Kim ,  Seok Bong Hyun ,  Kyung Hwan Park ,  Byoung Gun Choi ,  Tae Young Kang

IPC分类号： G06F7/00 ,  G08B29/00 ,  H04M1/00

CPC分类号： G06F7/00 ,  G08B29/00 ,  H04M1/00 ,  H04M1/72533 ,  H04M2250/10

摘要： Disclosed are a telematics system using human body communication, a portable device having a telematics function using human body communication, and a method for providing a telematics service using human body communication. The telematics system using human body communication includes: a vehicle receiving an authentication key from at least one portable device through human body communication using a human body as a medium, and controlling the opening and closing of a door of the vehicle based on whether or not the received authentication key is valid; and a first portable device transmitting a first authentication key through a user's body in contact with the vehicle.

摘要翻译： 公开了使用人体通信的远程信息处理系统，具有使用人体通信的远程信息处理功能的便携式设备，以及使用人体通信来提供远程信息处理服务的方法。 使用人体通信的远程信息处理系统包括：车辆通过使用人体作为介质的人体通信从至少一个便携式设备接收认证密钥，并且基于是否控制车门的打开和关闭 接收到的认证密钥有效; 以及通过与车辆接触的用户身体发送第一认证密钥的第一便携式设备。