公开(公告)号：US08599902B2

公开(公告)日：2013-12-03

申请号：US12853499

申请日：2010-08-10

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

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

IPC分类号： H04B1/00

CPC分类号： H04J13/004 ,  H04J13/0048 ,  H04J13/18

摘要： A frequency selective modulation apparatus and method using re-spreading codes are disclosed. The frequency selective modulation apparatus includes: a serial-to-parallel converter receiving transmission data and performing serial-to-parallel conversion on the transmission data at a pre-set ratio; one or more sub-frequency selective spreaders selecting one spreading code by using data bits received from the serial-to-parallel converter; a majority value selection unit selecting a majority value from one or more spreading codes which have been selected by each of the one or more of the sub-frequency selective spreaders; and a first XOR logic circuit XORing an output of the majority value selection unit and a re-spreading code Wn to re-spread a frequency selective baseband to a frequency selective passband.

摘要翻译： 公开了一种使用重扩展码的频率选择调制装置和方法。 所述频率选择调制装置包括：串并转换器，接收传输数据，并以预定比率对传输数据进行串并转换; 一个或多个子频率选择扩展器通过使用从串行到并行转换器接收的数据位选择一个扩展码; 多数值选择单元从一个或多个子频率选择扩展器中的每一个选择的一个或多个扩展码中选择多数值; 以及对多数值选择单元的输出进行异或运算的第一异或逻辑电路和重频扩展码Wn，以将频率选择性基带重新扩频到频率选择性通带。

公开(公告)号：US08249136B2

公开(公告)日：2012-08-21

申请号：US12633980

申请日：2009-12-09

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

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

IPC分类号： H04B3/46 ,  H04B17/00 ,  H04Q1/20

CPC分类号： H04B1/707 ,  H04B2201/70715

摘要： An adaptive frequency selective baseband communications method using orthogonal codes includes: a communications testing step of performing communications by using one of a plurality of codes each having a different frequency band; a proper code selecting step of selecting a proper code by using a correlation value of a plurality of codes included in test data transmitted in the communications testing step; a communications performing step of performing communications by using the proper code; and a feedback step of newly selecting a proper code by using the correlation value of the plurality of codes included in the test data transmitted in the communications performing step if a pre-set time duration has lapsed or if a reception error of more than a pre-set reference occurs, and performing the communications performing step again, wherein the test data transmitted in the communications testing step and the communications performing step includes a plurality of codes each having a different frequency band.

摘要翻译： 使用正交码的自适应频率选择性基带通信方法包括：通信测试步骤，通过使用每个具有不同频带的多个码中的一个来执行通信; 适当的代码选择步骤，通过使用在通信测试步骤中发送的测试数据中包括的多个代码的相关值来选择适当的代码; 通过使用适当的代码执行通信的通信执行步骤; 以及反馈步骤，通过使用包括在通信执行步骤中发送的测试数据中的多个代码的相关值来重新选择适当的代码，如果预设的持续时间已经过去或者如果超过预先设定的持续时间的接收错误 - 进行参考，并且再次执行通信执行步骤，其中在通信测试步骤和通信执行步骤中发送的测试数据包括每个具有不同频带的多个代码。

公开(公告)号：US08204457B2

公开(公告)日：2012-06-19

申请号：US12111878

申请日：2008-04-29

申请人： Byoung-Gun Choi ,  Seok-Bong Hyun

发明人： Byoung-Gun Choi ,  Seok-Bong Hyun

IPC分类号： H03C1/62 ,  H04B17/00

CPC分类号： H04B1/0483 ,  H03F1/0233 ,  H03F1/34 ,  H03F3/2176 ,  H03F3/24 ,  H03F2200/321 ,  H03F2200/324 ,  H03F2200/336 ,  H04B2001/0433

摘要： Provided is a mobile transmitter and a transmitting method thereof. The mobile transmitter includes a transmission circuit and a control circuit. The transmission circuit selectively operates as a polar transmitter or a direct-conversion transmitter. The control circuit controls an operation of the transmission circuit based on the level of an output signal. The mobile transmitter operates as a direct-conversion transmitter using a linear power amplifier with a high dynamic range when it transmits a low-power signal. Also, the mobile transmitter operates as a polar transmitter using a switching power amplifier with a high power efficiency when it transmits a medium-power or high-power signal. Thus, the mobile transmitter according to the present invention can provide both the high power efficiency (i.e., the advantage of the switching power amplifier) and the high dynamic range (i.e., the advantage of the linear power amplifier). Consequently, it possible to increase the battery lifetime of a personal portable communication terminal and also to implement to a compound terminal that can satisfy a variety of communication standards with a high dynamic range.

摘要翻译： 提供了一种移动发射机及其发射方法。 移动发射机包括传输电路和控制电路。 传输电路选择性地作为极性发射机或直接转换发射机工作。 控制电路基于输出信号的电平来控制发送电路的动作。 当发送低功率信号时，移动发射机作为直接转换发射机使用具有高动态范围的线性功率放大器。 此外，当发送中功率或高功率信号时，移动发射机使用具有高功率效率的开关功率放大器作为极性发射机工作。 因此，根据本发明的移动发射机可以提供高功率效率（即，开关功率放大器的优点）和高动态范围（即线性功率放大器的优点）。 因此，可以增加个人便携式通信终端的电池寿命，并且还可以实现能够满足具有高动态范围的各种通信标准的复合终端。

公开(公告)号：US20120044057A1

公开(公告)日：2012-02-23

申请号：US12969953

申请日：2010-12-16

申请人： Tae Young KANG ,  Seong Su PARK ,  Sung Weon KANG ,  Seok Bong HYUN ,  Kyung Hwan PAKR ,  Byong Gun CHOI ,  Chang Hee HYOUNG ,  Jung Hwan HWANG ,  Sung Eun KIM

发明人： Tae Young KANG ,  Seong Su PARK ,  Sung Weon KANG ,  Seok Bong HYUN ,  Kyung Hwan PAKR ,  Byong Gun CHOI ,  Chang Hee HYOUNG ,  Jung Hwan HWANG ,  Sung Eun KIM

IPC分类号： H04Q5/22

CPC分类号： H04L63/10 ,  H04L63/0492 ,  H04L63/18 ,  H04L69/14 ,  H04M1/7253 ,  H04M2250/04 ,  H04W4/80

摘要： The pairing method of first and second devices each having a communication function using a millimeter wave band, includes: determining, by the first device, whether or not the a security code of the second device has been registered; when the first device determines that the security code of the second device has been registered, transmitting, by the first device, an activation command instructing the second device to perform millimeter wave band communication, a device ID, and the security code of the second device to the second device through RFID communication; and when the first device receives a message indicating that the second device is ready for millimeter wave band communication from the second device, activating, by the first device, an element for performing communication using the millimeter wave band.

摘要翻译： 具有使用毫米波段的通信功能的第一和第二设备的配对方法包括：由第一设备确定第二设备的安全码是否已被注册; 当第一设备确定第二设备的安全码已被注册时，由第一设备发送指示第二设备执行毫米波段通信的激活命令，设备ID和第二设备的安全码 通过RFID通信到第二个设备; 并且当第一设备接收到指示第二设备准备好从第二设备进行毫米波波段通信的消息时，由第一设备激活用于使用毫米波段执行通信的单元。

公开(公告)号：US20110154413A1

公开(公告)日：2011-06-23

申请号：US12951970

申请日：2010-11-22

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

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

IPC分类号： H04N7/18

CPC分类号： H04N7/18 ,  H04N7/10

摘要： Disclosed is a system for providing multimedia data using human body communication in transportation capable of improving user convenience in transportation and providing various multimedia data. The system for providing multimedia data using human body communication in transportation includes: a multimedia data providing device converting multimedia data into a signal available for human communication and transmitting the converted signal to one or more of conductive units installed within transportation; and a human body communication device receiving the multimedia data through a user's body brought into contact with the one or more conductive units and executing the received multimedia data.

摘要翻译： 公开了一种使用运输中的人体通信提供多媒体数据的系统，其能够提高运输中的用户便利性并提供各种多媒体数据。 用于在运输中使用人体通信提供多媒体数据的系统包括：多媒体数据提供设备，将多媒体数据转换成可用于人类通信的信号，并将转换的信号发送到安装在运输过程中的导电单元中的一个或多个; 以及人体通信装置，其通过与所述一个或多个导电单元接触的用户主体接收所述多媒体数据并执行所接收的多媒体数据。

公开(公告)号：US20110085505A1

公开(公告)日：2011-04-14

申请号：US12902121

申请日：2010-10-11

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

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

IPC分类号： H04W8/02

CPC分类号： A61B5/0028 ,  A61B5/0024 ,  H04B13/005 ,  H04W72/048

摘要： A method for generating a communication frame of a body area network, includes: recognizing the number of terminals existing within a predetermined area; allocating an individual frame to be used by each of the terminals existing within the predetermined area according to the recognized number of terminals; and allocating a coexistence frame to be transmitted to every terminal existing within the predetermined area according to the recognized number of terminals.

摘要翻译： 一种用于生成体区网络的通信帧的方法，包括：识别存在于预定区域内的终端的数量; 根据所识别的终端数量，分配存在于预定区域内的每个终端使用的单个帧; 以及根据所识别的终端数目，将要发送到存在于预定区域内的每个终端的共存帧分配。

公开(公告)号：US07728672B2

公开(公告)日：2010-06-01

申请号：US12118562

申请日：2008-05-09

申请人： Yun-Ho Choi ,  Young-Ho Kim ,  Seok-Bong Hyun

发明人： Yun-Ho Choi ,  Young-Ho Kim ,  Seok-Bong Hyun

IPC分类号： H03F3/04

CPC分类号： H03F3/189

摘要： Provided is a radio frequency (RF) amplifier. The RF amplifier includes an amplification circuit amplifying an RF signal, a bias voltage generation circuit supplying a bias voltage of the amplification circuit, and a first bias resistor connected between the amplification circuit ad the bias voltage generation circuit, and having a predetermined resistance allowing the bias voltage to be affected by the RF signal.

摘要翻译： 提供射频（RF）放大器。 RF放大器包括放大RF信号的放大电路，提供放大电路的偏置电压的偏置电压产生电路和连接在放大电路和偏置电压产生电路之间的第一偏置电阻，并且具有允许 偏置电压受RF信号的影响。

公开(公告)号：US20090061797A1

公开(公告)日：2009-03-05

申请号：US12111878

申请日：2008-04-29

申请人： Byoung-Gun CHOI ,  Seok-Bong Hyun

发明人： Byoung-Gun CHOI ,  Seok-Bong Hyun

IPC分类号： H04B1/04

CPC分类号： H04B1/0483 ,  H03F1/0233 ,  H03F1/34 ,  H03F3/2176 ,  H03F3/24 ,  H03F2200/321 ,  H03F2200/324 ,  H03F2200/336 ,  H04B2001/0433

摘要： Provided is a mobile transmitter and a transmitting method thereof. The mobile transmitter includes a transmission circuit and a control circuit. The transmission circuit selectively operates as a polar transmitter or a direct-conversion transmitter. The control circuit controls an operation of the transmission circuit based on the level of an output signal. The mobile transmitter operates as a direct-conversion transmitter using a linear power amplifier with a high dynamic range when it transmits a low-power signal. Also, the mobile transmitter operates as a polar transmitter using a switching power amplifier with a high power efficiency when it transmits a medium-power or high-power signal. Thus, the mobile transmitter according to the present invention can provide both the high power efficiency (i.e., the advantage of the switching power amplifier) and the high dynamic range (i.e., the advantage of the linear power amplifier). Consequently, it possible to increase the battery lifetime of a personal portable communication terminal and also to implement to a compound terminal that can satisfy a variety of communication standards with a high dynamic range.

摘要翻译： 提供了一种移动发射机及其发射方法。 移动发射机包括传输电路和控制电路。 传输电路选择性地作为极性发射机或直接转换发射机工作。 控制电路基于输出信号的电平来控制发送电路的动作。 当发送低功率信号时，移动发射机作为直接转换发射机使用具有高动态范围的线性功率放大器。 此外，当发送中功率或高功率信号时，移动发射机使用具有高功率效率的开关功率放大器作为极性发射机工作。 因此，根据本发明的移动发射机可以提供高功率效率（即，开关功率放大器的优点）和高动态范围（即线性功率放大器的优点）。 因此，可以增加个人便携式通信终端的电池寿命，并且还可以实现能够满足具有高动态范围的各种通信标准的复合终端。

公开(公告)号：US20060055434A1

公开(公告)日：2006-03-16

申请号：US11023379

申请日：2004-12-29

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

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

IPC分类号： H03K9/06

CPC分类号： H03L7/0891 ,  H03D13/004

摘要： Provided is a phase frequency detector for use in a phase locked loop (PLL) or a delay locked loop (DLL), the phase frequency detector including: an UP signal output unit having a first stage operated according to a reference clock delayed by a predetermined time and a reset signal, a second stage operated according to the reference clock and an output of the first stage, and an inverter for inverting an output of the second stage; a DOWN signal output unit having: a first stage operated according to an outer clock delayed by a predetermined time and the reset signal, a second stage operated according to the outer clock and an output of the first stage, and an inverter for inverting an output of the second stage; and a logic gate logically combining the output of the second stage of the UP signal output unit and the output of the second stage of the DOWN signal output unit to generate the reset signal, thereby a phase range of the input signal with which an effective control signal can be obtained is wide so that low power consumption and low noise characteristics can be obtained due to fast phase lock, low power consumption of a dynamic logic, and fast signal transmission.

公开(公告)号：USRE44621E1

公开(公告)日：2013-12-03

申请号：US13162389

申请日：2011-06-16

申请人： Seok Bong Hyun ,  Byung Jo Kim ,  Seong Su Park

发明人： Seok Bong Hyun ,  Byung Jo Kim ,  Seong Su Park

IPC分类号： H04J1/00

摘要： Provided is a method and apparatus for transmitting data based on OFDM (Orthogonal Frequency Division Multiplexing). The method includes: forming a plurality of packets suitable for a selected transmission mode from data input to a transmitter; determining a transfer rate of the data; when the data transfer rate is determined to be low and synchronous connection oriented link should be maintained, dividing each of the plurality of packets into a plurality of sub-packets; and transmitting the divided sub-packets, wherein when the divided sub-packets are transmitted, a power supply duration of the transmitter is reduced by using a DPM (dynamic power management) or fine state control unit.