公开(公告)号：US20100141788A1

公开(公告)日：2010-06-10

申请号：US12632118

申请日：2009-12-07

申请人： Seong-Taek HWANG ,  Sang-Wook Oh ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Hee-Min Kwon ,  Jun-Je Oh ,  Byung-Jik Kim

发明人： Seong-Taek HWANG ,  Sang-Wook Oh ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Hee-Min Kwon ,  Jun-Je Oh ,  Byung-Jik Kim

IPC分类号： H04N5/225 ,  G06K9/68 ,  G06F17/30

CPC分类号： H04N5/225 ,  G06K9/228 ,  G06K9/723 ,  G06K2209/01

摘要： An apparatus and method for recognizing characters of an image captured using a camera in a mobile terminal are provided, wherein an image of a signboard is captured, a text area is extracted from the captured image of the signboard, characters are recognized from the extracted text area, similar characters up to a predetermined priority level are generated for each recognized character of the extracted text area, location information of an area within a predetermined range from a current position of a user is acquired, store names are extracted from the location information, text is generated by combining the similar characters according to weights, the text are compared with the extracted store names, and a comparison result is output.

摘要翻译： 提供一种用于识别在移动终端中使用相机拍摄的图像的字符的装置和方法，其中捕获招牌的图像，从所述招牌的所捕获的图像中提取文本区域，从所提取的文本中识别字符 为所提取的文本区域的每个识别字符生成直到预定优先级的类似字符，获取来自用户的当前位置的预定范围内的区域的位置信息，从位置信息中提取存储名称， 通过根据权重组合相似的字符来生成文本，将文本与提取的商店名称进行比较，并输出比较结果。

公开(公告)号：US08594424B2

公开(公告)日：2013-11-26

申请号：US12632118

申请日：2009-12-07

申请人： Seong-Taek Hwang ,  Sang-Wook Oh ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Hee-Min Kwon ,  Yun-Je Oh ,  Byung-Jik Kim

发明人： Seong-Taek Hwang ,  Sang-Wook Oh ,  Hyun-Soo Kim ,  Sang-Ho Kim ,  Hee-Min Kwon ,  Yun-Je Oh ,  Byung-Jik Kim

IPC分类号： G06K9/34 ,  G06K9/00

CPC分类号： H04N5/225 ,  G06K9/228 ,  G06K9/723 ,  G06K2209/01

摘要： An apparatus and method for recognizing characters of an image captured using a camera in a mobile terminal are provided, wherein an image of a signboard is captured, a text area is extracted from the captured image of the signboard, characters are recognized from the extracted text area, similar characters up to a predetermined priority level are generated for each recognized character of the extracted text area, location information of an area within a predetermined range from a current position of a user is acquired, store names are extracted from the location information, text is generated by combining the similar characters according to weights, the text are compared with the extracted store names, and a comparison result is output.

摘要翻译： 提供一种用于识别在移动终端中使用相机拍摄的图像的字符的装置和方法，其中捕获招牌的图像，从所述招牌的所捕获的图像中提取文本区域，从所提取的文本中识别字符 为所提取的文本区域的每个识别字符生成直到预定优先级的类似字符，获取来自用户的当前位置的预定范围内的区域的位置信息，从位置信息中提取存储名称， 通过根据权重组合相似的字符来生成文本，将文本与提取的商店名称进行比较，并输出比较结果。

公开(公告)号：US20070133995A1

公开(公告)日：2007-06-14

申请号：US11607700

申请日：2006-12-01

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Yong-Gyoo Kim ,  Sung-Kee Kim ,  Han-Lim Lee

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Yong-Gyoo Kim ,  Sung-Kee Kim ,  Han-Lim Lee

IPC分类号： H04B10/00

CPC分类号： H04B10/25758

摘要： A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.

摘要翻译： 一种远程接入单元（RAU）装置，其通过至少一个光纤耦合到RoF网络的中心站（CS），并且所述RAU设备包括至少一个天线，包括：耦合到所述至少一个天线的第一和第二天线端口 一个天线 耦合到所述至少一个光纤的第一和第二光纤端口; 用于去耦第一双工方法的第一下行信号和通过第一光纤端口输入的第二双工方法的第二下行信号的第一耦合器; 输出从第一耦合器输入的第一下行信号到第一天线端口的循环器，并输出从第一天线端口输入到第二光纤端口的第一双工方式的第一上行信号; 以及第二耦合器，用于将从第一耦合器输入的第二下行信号输出到第二天线端口，并输出从第二天线端口输入到第二光纤端口的第二双工方法的第二上行信号。

公开(公告)号：US07796891B2

公开(公告)日：2010-09-14

申请号：US11633838

申请日：2006-12-05

申请人： Han-Lim Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Sang-Ho Kim ,  Sung-Kee Kim

发明人： Han-Lim Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Sang-Ho Kim ,  Sung-Kee Kim

IPC分类号： H04B10/00

CPC分类号： H04B10/25758 ,  H04H20/69 ,  H04H20/71 ,  H04W88/085 ,  H04W88/10

摘要： Disclosed is a radio-over-fiber (ROF) system for supporting various services, the system comprising: a central access platform (CAP) for providing time division duplexing (TDD), frequency division duplexing (FDD), and broadcasting services, converting a TDD downward signal and FDD/broadcasting downward signals into optical signals, respectively, transmitting the converted optical signals to a remote access unit (RAU), converting a TDD upward signal and an FDD upward signal, which have been transmitted as optical signals from the RAU, into electric signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other; and the RAU for converting the TDD downward signal and FDD/broadcasting downward signals transmitted from the CAP into electric signals, respectively, converting the TDD upward signal and FDD upward signal to be transmitted to the CAP into optical signals, respectively, and using an optical circulator in order to separate upward and downward signals from each other, wherein the RAU includes a plurality of signal filtering/separating/combining units, which wirelessly emit the TDD downward signal and FDD/broadcasting downward signals, having been converted into electric signals, through an antenna, and which separate wirelessly-received TDD upward signal and FDD upward signal from each other.

摘要翻译： 公开了用于支持各种业务的无线电光纤（ROF）系统，该系统包括：用于提供时分双工（TDD），频分双工（FDD）和广播服务的中央接入平台（CAP） TDD向下信号和FDD /广播向下信号分别转换成光信号，将转换后的光信号发送到远程接入单元（RAU），转换已经作为光信号从RAU发送的TDD上行信号和FDD向上信号 分别变成电信号，并使用光循环器，以便彼此分离上下信号; 以及分别将从CAP发送的TDD向下信号和FDD /广播向下信号转换成电信号的RAU，分别将TDD向上信号和FDD向上信号转换为发送到CAP的光信号，并使用光 循环器，以便彼此分离上下信号，其中RAU包括多个信号滤波/分离/组合单元，其经过转换成电信号无线地发射TDD向下信号和FDD /广播向下信号，通过 天线，并且将无线接收的TDD上行信号和FDD上行信号彼此分离。

公开(公告)号：US20080145057A1

公开(公告)日：2008-06-19

申请号：US12001632

申请日：2007-12-12

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

IPC分类号： H04J14/08 ,  H04B10/00

CPC分类号： H04W88/085 ,  H04Q11/0067 ,  H04Q2011/0088

摘要： Disclosed are a method and a system for generating switching control signal separating transmission signal on an access point and a mobile communication terminal in an optical repeater employing, for example, a TDD scheme. The method includes the steps of generating a control signal for generating a switching control signal in transmitting data from the AP and transmitting the control information to a remote during an idle time interval, detecting synchronization information on the downlink signal and time-delay information from the control information, delaying a time interval between the synchronization information and a starting point of the downlink signal, generating the switching control signal for the downlink signal according to the transmission time information of the downlink signal, and performing a switching operation according to the switching control signal and setting a downlink path.

摘要翻译： 公开了一种用于在采用例如TDD方案的光中继器中产生在接入点和移动通信终端上分离传输信号的切换控制信号的方法和系统。 该方法包括以下步骤：在空闲时间间隔期间产生用于产生切换控制信号以从AP发送数据并将控制信息发送给远端，检测下行链路信号的同步信息和来自 控制信息，延迟同步信息和下行链路信号的起始点之间的时间间隔，根据下行链路信号的发送时间信息生成下行链路信号的切换控制信号，根据切换控制进行切换动作 信号并设置下行链路路径。

公开(公告)号：US20070053311A1

公开(公告)日：2007-03-08

申请号：US11514440

申请日：2006-09-01

申请人： Sang-Ho Kim ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sung-Kee Kim ,  Han-Lim Lee ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Dae-Eun Choi

发明人： Sang-Ho Kim ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sung-Kee Kim ,  Han-Lim Lee ,  Jae-Hoon Lee ,  Yong-Gyoo Kim ,  Dae-Eun Choi

IPC分类号： H04J3/00

CPC分类号： H04W88/085

摘要： A radio over fiber (ROF) link apparatus capable of a stable TDD wireless service for a time division duplexing (TDD) baseband signal includes a central access platform (CAP) for receiving various kinds of data including the TDD baseband signal from upper layers, multiplexing the data, electro-optically converting the multiplexed data, and transmitting the converted data as downstream data through an optical fiber, and opto-electrically converting upstream data received through the optical fiber, demultiplexing the converted upstream data, and transmitting the demultiplexed upstream data to the respective upper layers, and a remote access unit (RAU) for receiving the downstream data through the optical fiber, opto-electrically converting the received downstream data to the multiplexed data, demultiplexing the multiplexed data, performing a wireless access process of the demultiplexed data, and transmitting the wireless access processed data to a wireless local area network (WLAN) service terminal through an antenna.

摘要翻译： 能够对TDD时基双工（TDD）基带信号进行稳定的TDD无线业务的无线电光纤（ROF）链路装置包括用于从上层接收包括TDD基带信号的各种数据的中央接入平台（CAP） 数据，电光转换多路复用数据，并通过光纤将转换后的数据作为下行数据发送，并对通过光纤接收的上行数据进行光电转换，对转换的上行数据进行解复用，并将解复用的上行数据发送到 各自的上层以及用于通过光纤接收下游数据的远程访问单元（RAU），将接收到的下游数据光电转换为多路复用数据，解复用多路复用数据，执行解复用数据的无线接入处理 ，并将无线接入处理的数据发送到无线局域网（WLAN）服务 e端子通过天线。

公开(公告)号：US07660531B2

公开(公告)日：2010-02-09

申请号：US11607700

申请日：2006-12-01

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Yong-Gyoo Kim ,  Sung-Kee Kim ,  Han-Lim Lee

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Yong-Gyoo Kim ,  Sung-Kee Kim ,  Han-Lim Lee

IPC分类号： H04B10/24 ,  H04J4/00 ,  H04M1/00

CPC分类号： H04B10/25758

摘要： A remote access unit (RAU) apparatus, coupled to a central station (CS) of an RoF network through at least one optical fiber, and which RAU apparatus includes at least one antenna, includes: first and second antenna ports coupled to the at least one antenna; first and second optical fiber ports coupled to the at least one optical fiber; a first coupler for decoupling a first downstream signal of a first duplexing method and a second downstream signal of a second duplexing method, which are input through the first optical fiber port; a circulator for outputting the first downstream signal input from the first coupler to the first antenna port and outputting a first upstream signal of the first duplexing method input from the first antenna port to the second optical fiber port; and a second coupler for outputting the second downstream signal input from the first coupler to the second antenna port and outputting a second upstream signal of the second duplexing method input from the second antenna port to the second optical fiber port.

摘要翻译： 一种远程接入单元（RAU）装置，其通过至少一个光纤耦合到RoF网络的中心站（CS），并且所述RAU设备包括至少一个天线，包括：耦合到所述至少一个天线的第一和第二天线端口 一个天线 耦合到所述至少一个光纤的第一和第二光纤端口; 用于去耦第一双工方法的第一下行信号和通过第一光纤端口输入的第二双工方法的第二下行信号的第一耦合器; 输出从第一耦合器输入的第一下行信号到第一天线端口的循环器，并输出从第一天线端口输入到第二光纤端口的第一双工方式的第一上行信号; 以及第二耦合器，用于将从第一耦合器输入的第二下行信号输出到第二天线端口，并输出从第二天线端口输入到第二光纤端口的第二双工方法的第二上行信号。

公开(公告)号：US20080219670A1

公开(公告)日：2008-09-11

申请号：US12074999

申请日：2008-03-06

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Yun-Je Oh ,  Byung-Jik Kim

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Yun-Je Oh ,  Byung-Jik Kim

IPC分类号： H04B10/00 ,  H04B10/24

CPC分类号： H04B10/25758

摘要： Disclosed is an RoF system providing an HD wireless communication service. The RoF system includes the base station for transmitting and receiving each of the TDD/FDD individual signals and TDD/FDD combined signals, channel-combining downstream signals for a TDD scheme with downstream signals for an FDD scheme, and generating TDD/FDD mode control signals; a base station donor for receiving downstream RF signals from the base station, converting the resultant signals into downstream optical signals, outputting the converted signals, and delivering upstream optical signals, which are input to the remote station from the wireless terminals, to the base station; and the remote station for switching a corresponding duplexing mode operation according to wireless service channel states of the wireless terminals, converting the downstream optical signals transmitted from the base station donor into service RF signals, amplifying the converted service RF signals, and providing the amplified service RF signals to the wireless terminals through antennas.

摘要翻译： 公开了提供HD无线通信服务的RoF系统。 RoF系统包括用于发送和接收每个TDD / FDD单独信号和TDD / FDD组合信号的基站，用于TDD方案的下行信号与用于FDD方案的下行信号的信道合并，以及生成TDD / FDD模式控制 信号; 用于从基站接收下行RF信号的基站施加器，将所得到的信号转换成下行光信号，输出转换的信号，以及将从远端站输入的上行光信号从无线终端传送到基站 ; 以及远程站，用于根据无线终端的无线服务信道状态切换对应的双工模式操作，将从基站捐赠者发送的下行光信号转换成服务RF信号，放大转换后的服务RF信号，并提供放大服务 RF信号通过天线到无线终端。

公开(公告)号：US20080159743A1

公开(公告)日：2008-07-03

申请号：US11983483

申请日：2007-11-09

申请人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

发明人： Jae-Hoon Lee ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Sang-Ho Kim

IPC分类号： H04J14/02 ,  H04J14/08

CPC分类号： H04J14/02 ,  H04J3/0682 ,  H04W88/085

摘要： A method and apparatus for transmitting data to an Access Point (AP) and a Mobile Station (MS) in a Time Division Duplex (TDD) optical repeater. A main donor generates a control frame for controlling a remote, upon receipt of data from the AP, and transmits the control frame to the remote during a non-downlink transmission period. The remote analyzes the control frame received from the main donor, detects sync information about a downlink signal and an uplink signal, and remote control information from the analyzed control frame, performs a control operation according to the detected remote control information, and generates a status frame for notifying the main donor of the status of the remote upon receipt of data from the MS. The status frame is transmitted from the remote to the main donor during a non-uplink transmission period.

摘要翻译： 一种用于向时分双工（TDD）光中继器中的接入点（AP）和移动台（MS）发送数据的方法和装置。 在从AP接收到数据时，主要供体生成用于控制远程的控制帧，并且在非下行链路传输周期期间将控制帧发送到远程。 遥控器分析从主供体接收到的控制帧，检测关于下行链路信号和上行链路信号的同步信息，以及来自分析的控制帧的遥控信息，根据检测到的遥控信息执行控制操作，并且生成状态 框架，用于在从MS接收到数据时通知主要供体的远程状态。 在非上行链路传输期间，状态帧从远端发送到主供体。

公开(公告)号：US20070022460A1

公开(公告)日：2007-01-25

申请号：US11395806

申请日：2006-03-31

申请人： Yong-Gyoo Kim ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Sung-Kee Kim ,  Han-Lim Lee ,  Jae-Hoon Lee

发明人： Yong-Gyoo Kim ,  Seong-Taek Hwang ,  Byung-Jik Kim ,  Gyu-Woong Lee ,  Hoon Kim ,  Sang-Ho Kim ,  Sung-Kee Kim ,  Han-Lim Lee ,  Jae-Hoon Lee

IPC分类号： H04N7/173

CPC分类号： H04L5/26 ,  H04B10/25758 ,  H04W16/26

摘要： Disclosed is a remote access unit for transmitting and receiving upstream and downstream data in which channels having different transmission scheme are multiplexed, and an optical network for bi-directional wireless communication using same. The remote access unit includes an antenna for receiving the downstream data and wirelessly transmitting same and for receiving the upstream data and providing same to the remote access unit, a switch for outputting downstream time division channels of the downstream data to the antenna and for receiving upstream time division channels of the upstream data from the antenna, and a controller for controlling the switch in order to prevent the upstream and downstream time division channels from overlapping.

摘要翻译： 公开了一种用于发送和接收上行和下行数据的远程访问单元，其中具有不同传输方案的信道被复用，以及用于使用其的双向无线通信的光网络。 远程接入单元包括：天线，用于接收下行数据并进行无线发送，并用于接收上行数据并将其提供给远程接入单元;开关，用于向下游天线输出下游数据的下行时分信道​​，并用于接收上游 来自天线的上行数据的时分信道，以及用于控制交换机的控制器，以防止上游和下游时分信道重叠。