公开(公告)号：US07301912B2

公开(公告)日：2007-11-27

申请号：US10699139

申请日：2003-10-30

Applicant: Kang Woon Hong ,  Heyung Sub Lee ,  Hyeong Ho Lee

Inventor： Kang Woon Hong ,  Heyung Sub Lee ,  Hyeong Ho Lee

IPC: H04L12/28

CPC classification number: H04L45/00 ,  H04L45/48

Abstract: A method and apparatus for determining a communication path over a network are provided. The method involves generating a spanning tree having connection devices over a network as vertices and having links among the connection devices as edges; allotting predetermined vertex information to each vertex on the spanning tree; detecting all circuits having a plurality of communication paths among the connection devices over the network corresponding to the spanning tree; and applying rapid ring spanning tree protocol (RRSTP) to links corresponding to the detected circuits and applying rapid spanning tree protocol (RSTP) to links not corresponding to the detected circuits.

Abstract translation: 提供了一种用于确定网络上的通信路径的方法和装置。 该方法涉及通过网络生成具有连接设备的生成树作为顶点并且在连接设备之间具有作为边缘的链接; 将预定顶点信息分配给生成树上的每个顶点; 通过对应于生成树的网络检测连接装置中具有多个通信路径的所有电路; 并将快速生成树协议（RRSTP）应用于与检测到的电路对应的链路，并将快速生成树协议（RSTP）应用于不对应于检测到的电路的链路。

公开(公告)号：US09030217B2

公开(公告)日：2015-05-12

申请号：US13605554

申请日：2012-09-06

Applicant: Hyunseok Kim ,  Su Na Choi ,  Heyung Sub Lee ,  Cheol Sig Pyo

Inventor： Hyunseok Kim ,  Su Na Choi ,  Heyung Sub Lee ,  Cheol Sig Pyo

IPC: G06K19/07

CPC classification number: G06K19/0726 ,  G06K19/0722

Abstract: In integrated circuit chips that are used for RFID, a method of calibrating an operation frequency that is generated in an operation frequency generator and a semiconductor wafer including a calibration circuit are provided. The method of calibrating an operation frequency of integrated circuit chips includes: supplying DC power to the integrated circuit chips; selecting an integrated circuit chip to perform calibration of an operation frequency; receiving an operation frequency that is generated in the selected integrated circuit chip; calculating a difference between a phase of the operation frequency and a phase of a calibration target frequency; generating a frequency calibration value of the operation frequency using the phase difference; transmitting a control signal including the frequency calibration value to the integrated circuit chip; and releasing a selection of the integrated circuit chip in which calibration of the operation frequency is complete.

Abstract translation: 在用于RFID的集成电路芯片中，提供校准在操作频率发生器中产生的操作频率的方法和包括校准电路的半导体晶片。 校准集成电路芯片的工作频率的方法包括：向集成电路芯片提供直流电力; 选择集成电路芯片来执行操作频率的校准; 接收在所选集成电路芯片中产生的工作频率; 计算操作频率的相位和校准目标频率的相位之间的差; 使用相位差产生运转频率的频率校准值; 将包括所述频率校准值的控制信号发送到所述集成电路芯片; 并且释放其中操作频率的校准完成的集成电路芯片的选择。

公开(公告)号：US08442167B2

公开(公告)日：2013-05-14

申请号：US12746431

申请日：2008-07-29

Applicant: Seung Il Myong ,  Hoe-Sung Yang ,  Dong-Beom Shin ,  Nak Seon Seong ,  Heyung Sub Lee ,  Cheol Sig Pyo

Inventor： Seung Il Myong ,  Hoe-Sung Yang ,  Dong-Beom Shin ,  Nak Seon Seong ,  Heyung Sub Lee ,  Cheol Sig Pyo

IPC: H04B1/10

CPC classification number: H04L27/0014 ,  H04L25/0212

Abstract: A multistage channel estimation method and apparatus is provided. The multistage channel estimation method includes: receiving a data frame to compensate for a distortion of the data frame based on a first channel estimation value associated with a corresponding section of the data frame; a first step of changing the corresponding section to calculate a second channel estimation value associated with the changed section; a second step of updating the first channel estimation value based on the calculated second channel estimation value; a third step of compensating for the distortion of the data frame based on the updated first channel estimation value to count a number of compensations; and repeating the first step through the third step, when the counted number of compensations does not match a predetermined numerical value.

Abstract translation: 提供了一种多级信道估计方法和装置。 多级信道估计方法包括：基于与数据帧的相应部分相关联的第一信道估计值，接收数据帧以补偿数据帧的失真; 改变相应部分以计算与改变部分相关联的第二信道估计值的第一步骤; 基于计算出的第二信道估计值更新第一信道估计值的第二步骤; 基于更新的第一信道估计值来补偿数据帧的失真以对多个补偿进行计数的第三步骤; 并且当计数的补偿次数与预定数值不匹配时，重复第一步骤到第三步骤。

公开(公告)号：US08405487B2

公开(公告)日：2013-03-26

申请号：US12629451

申请日：2009-12-02

Applicant: Kang-bok Lee ,  Sang-yeoun Lee ,  Heyung-sub Lee ,  Jong-suk Chae

Inventor： Kang-bok Lee ,  Sang-yeoun Lee ,  Heyung-sub Lee ,  Jong-suk Chae

IPC: H04Q5/22

CPC classification number: H04Q9/00 ,  G06K19/0717 ,  H04Q2209/47 ,  H04Q2209/823

Abstract: A method of storing sensor data in a sensor tag is provided. The method comprises receiving new sensor data output from a sensor, comparing the received new sensor data with immediately previous sensor data to determine whether the comparison result satisfies a predetermined criterion, and storing the new sensor data in a tag memory when it is determined that the criterion is satisfied. Accordingly, efficient use of the tag memory is possible.

Abstract translation: 提供了一种将传感器数据存储在传感器标签中的方法。 该方法包括接收从传感器输出的新的传感器数据，将接收到的新传感器数据与紧接在前的传感器数据进行比较，以确定比较结果是否满足预定标准，并且当确定新传感器数据被确定为 标准满足 因此，标签存储器的有效使用是可能的。

公开(公告)号：US08314703B2

公开(公告)日：2012-11-20

申请号：US12504397

申请日：2009-07-16

Applicant: Kang Bok Lee ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Jae Heum Lee ,  Dong-Beom Shin ,  Hyunseok Kim ,  Jae-young Jung ,  Cheol Sig Pyo ,  Jong-Suk Chae

Inventor： Kang Bok Lee ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Jae Heum Lee ,  Dong-Beom Shin ,  Hyunseok Kim ,  Jae-young Jung ,  Cheol Sig Pyo ,  Jong-Suk Chae

IPC: G08B13/14

CPC classification number: G06Q10/087

Abstract: Provided is a method and apparatus for managing a product distribution. The product distribution management method may include: reading a security key of a product from a security tag attached to the product; transferring the read security key to a security server; receiving, from the security server, first authentication information that is encrypted using the security key; receiving, from the security tag, second authentication information that is encrypted using the security key; and determining whether the security tag is duplicated, based on the first authentication information and the second authentication information.

Abstract translation: 提供了一种用于管理产品分发的方法和装置。 产品分发管理方法可以包括：从附加到产品的安全标签读取产品的安全密钥; 将读取的安全密钥传送到安全服务器; 从所述安全服务器接收使用所述安全密钥加密的第一认证信息; 从所述安全标签接收使用所述安全密钥加密的第二认证信息; 以及基于所述第一认证信息和所述第二认证信息来确定所述安全标签是否被复制。

公开(公告)号：US20120032844A1

公开(公告)日：2012-02-09

申请号：US13195391

申请日：2011-08-01

Applicant: Sang Hyun Mo ,  Heyung Sub Lee ,  Jae Heum Lee ,  Cheol Sig Pyo ,  Kang Bok Lee ,  Dong Beom Shin ,  Seung Il Myong ,  Joo Sang Park ,  Hoe Sung Yang ,  Jong Suk Chae

Inventor： Sang Hyun Mo ,  Heyung Sub Lee ,  Jae Heum Lee ,  Cheol Sig Pyo ,  Kang Bok Lee ,  Dong Beom Shin ,  Seung Il Myong ,  Joo Sang Park ,  Hoe Sung Yang ,  Jong Suk Chae

IPC: G01S19/09

CPC classification number: G01S19/09 ,  G01S5/0027 ,  G01S5/0036 ,  G01S5/0284

Abstract: Real-time location tracking apparatus and method using a global positioning system (GPS) signal relay tag is provided. Here, a tag may receive a GPS signal and transmit the received GPS signal to a reader, and the reader may calculate a location of the tag, and thereby a real-time location tracking service may be provided.

Abstract translation: 提供了使用全球定位系统（GPS）信号中继标签的实时位置跟踪装置和方法。 这里，标签可以接收GPS信号并将接收的GPS信号发送到读取器，并且读取器可以计算标签的位置，从而可以提供实时位置跟踪服务。

公开(公告)号：US20110110218A1

公开(公告)日：2011-05-12

申请号：US12794997

申请日：2010-06-07

Applicant: Hyung-Rae Park ,  Jongsub Cha ,  Sang-Hyun Mo ,  Seung-Il Myong ,  Heyung-Sub Lee ,  Jong-Suk Chae

Inventor： Hyung-Rae Park ,  Jongsub Cha ,  Sang-Hyun Mo ,  Seung-Il Myong ,  Heyung-Sub Lee ,  Jong-Suk Chae

IPC: H04J11/00 ,  H04B7/00

CPC classification number: H04J13/0048

Abstract: Provided is an apparatus and method for transmitting packet data in a WSN. The apparatus for transmitting packet data in a WSN includes: a serial-to-parallel converter to parallel-convert information and output the converted information to two channel paths; a Walsh code pair generation unit to select an arbitrary Walsh code pair, mix the selected Walsh code pair with a pseudo noise (PN) code, and output one Walsh code to one channel path and the other Walsh code to the other channel path; a first mixer to mix the signals inputted to two channel paths, and generate a spread symbol for each path; a delay to delay the other channel path signal by a predetermined time; and a transmission unit to convert one channel path signal and the other channel path signal delayed by the delay into transmission frequency band signals, and transmit the converted signals as wireless signals.

Abstract translation: 提供了一种在WSN中发送分组数据的装置和方法。 用于在WSN中发送分组数据的装置包括：并行转换信息并将转换的信息输出到两个信道路径的串并转换器; 沃尔什码对生成单元，用于选择任意的沃尔什码对，将所选择的沃尔什码对与伪噪声（PN）码进行混合，并将一个沃尔什码输出到一个信道路径，另一个沃尔什码输出到另一个信道路径; 第一混频器，混合输入到两个声道路径的信号，并产生每个路径的扩展符号; 将另一个信道路径信号延迟预定时间的延迟; 以及发送单元，将一个信道路径信号和延迟了延迟的其他信道路径信号转换为发送频带信号，并将转换后的信号作为无线信号发送。

公开(公告)号：US20110102151A1

公开(公告)日：2011-05-05

申请号：US12833454

申请日：2010-07-09

Applicant: Dong-Beom Shin ,  Jae-young Jung ,  Sang Yeoun Lee ,  Gil Young Choi ,  Heyung Sub Lee ,  Jong-Suk Chae

Inventor： Dong-Beom Shin ,  Jae-young Jung ,  Sang Yeoun Lee ,  Gil Young Choi ,  Heyung Sub Lee ,  Jong-Suk Chae

IPC: H04Q5/22

CPC classification number: G06K7/0008 ,  H04Q2213/13095

Abstract: Provided are an RFID reader and a method for controlling a gain thereof. The RFID reader includes an amplifier and an AGC circuit. The amplifier controls the gain of an RX signal, received from an RFID tag, in response to an AGC signal. The AGC circuit measures a signal level in an ante-preamble period of the RX signal and generates an AGC signal to control the gain of the RX signal, on the basis of the measured signal level.

Abstract translation: 提供RFID读取器和用于控制其增益的方法。 RFID读取器包括放大器和AGC电路。 放大器响应于AGC信号控制从RFID标签接收的RX信号的增益。 AGC电路测量RX信号的前同步码周期中的信号电平，并且基于测量的信号电平产生AGC信号以控制RX信号的增益。

公开(公告)号：US20110037568A1

公开(公告)日：2011-02-17

申请号：US12989274

申请日：2009-04-22

Applicant: Hyunseok Kim ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Dong-Beom Shin ,  Su Na Choi ,  Nak Seon Seong ,  Cheol Sig Pyo ,  Jong-Suk Chae ,  Preishuber-Pfluegl Di Josef ,  Janek Di Alex ,  Tschische Di David

Inventor： Hyunseok Kim ,  Heyung Sub Lee ,  Sang Yeoun Lee ,  Dong-Beom Shin ,  Su Na Choi ,  Nak Seon Seong ,  Cheol Sig Pyo ,  Jong-Suk Chae ,  Preishuber-Pfluegl Di Josef ,  Janek Di Alex ,  Tschische Di David

IPC: G06K7/01

CPC classification number: G06K7/0008 ,  G06K19/0717 ,  G06K19/07749

Abstract: Disclosed are an RFID reader, an RFID tag, and a controlling method thereof. The RFID tag may include a state information generator to generate state information of the RFID tag, a receiver to receive an activation command including reference state information of the RFID tag, and a controller to activate the RFID tag based on the state information and the reference state information. The RFID tag may be selectively activated according to an inner state of the RFID tag.

Abstract translation: 公开了RFID读取器，RFID标签及其控制方法。 RFID标签可以包括：状态信息发生器，用于生成RFID标签的状态信息;接收器，接收包括RFID标签的参考状态信息的激活命令;以及控制器，用于基于状态信息和参考信号激活RFID标签 状态信息。 可以根据RFID标签的内部状态选择性地激活RFID标签。

公开(公告)号：US20100253483A1

公开(公告)日：2010-10-07

申请号：US12676771

申请日：2008-05-23

Applicant: Hoe-Sung Yang ,  Dong-Beom Shin ,  Seung Il Myong ,  Heyung Sub Lee ,  Gil Young Choi ,  Cheol Sig Pyo

Inventor： Hoe-Sung Yang ,  Dong-Beom Shin ,  Seung Il Myong ,  Heyung Sub Lee ,  Gil Young Choi ,  Cheol Sig Pyo

IPC: H04Q5/22

CPC classification number: G06Q10/08

Abstract: A freight container cargo-working management system and method which can use Radio Frequency Identification (RFID) technology for displaying a cargo-working location of a container by recognizing an RFID tag adhered to a container vehicle passing through a warehouse entrance is provided. A freight container cargo-working management system including: an RFID tag to include freight information and be adhered to a container; an RFID reader to be installed at a warehouse entrance for recognizing the freight information included in the RFID tag; a cargo-working location information transmitter to be installed at the warehouse entrance for wirelessly transmitting cargo-working location information of the container corresponding to the freight information recognized by the RFID reader; and a cargo-working location display to be included in a vehicle with the container attached for displaying the cargo-working location information wirelessly transmitted from the cargo-working location information transmitter.

Abstract translation: 提供了一种货物集装箱货物管理系统和方法，其可以使用射频识别（RFID）技术来识别附着在通过仓库入口的集装箱车辆上的RFID标签来显示集装箱的货物工作位置。 货物集装箱货运管理系统，包括：RFID标签，包括货运信息，并附在容器上; 将要安装在仓库入口处的用于识别RFID标签中包含的货运信息的RFID读取器; 在仓库入口处安装货物处理位置信息发送器，用于无线地传送与由RFID读取器识别的货运信息对应的容器的货物工作位置信息; 以及包含在车辆中的货物工作位置显示器，其中附接有用于显示从货物工作位置信息发送器无线发送的货物工作位置信息的容器。