公开(公告)号：US20080260388A1

公开(公告)日：2008-10-23

申请号：US12105499

申请日：2008-04-18

申请人： Sang-Ho Kim ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Han-Lim Lee ,  Ki-Uk Song

发明人： Sang-Ho Kim ,  Yun-Je Oh ,  Seong-Taek Hwang ,  Han-Lim Lee ,  Ki-Uk Song

IPC分类号： H04B10/00 ,  H04J3/00

CPC分类号： H04B10/25753 ,  H04W4/18 ,  H04W88/04

摘要： A wired relay method for using a remote station and an apparatus thereof for a Radio over Fiber (RoF) wired relay system supporting a Time Division Duplexing (TDD) wireless communication service, which shares an Low-Noise Amplifier (LNA) for both uplink and downlink operations. The remote station includes a block for dividing each of a downlink optical signal carrying service data and an optical signal carrying transmission/reception control information of the RoF wired relay system, which are input from a base station, a gain controller for separating an uplink Radio Frequency (RF) signal input from an antenna or a portion of a downlink RF signal output from a High-Power Amplifier (HPA) and for monitoring the strength of the input and output RF signals in order to control a gain of the LNA. A converter mutually converts an optical signal and an RF signal, an amplifier amplifies the converted RF signal, and an RF signal flow controller automatically controlls uplink and downlink transmission paths of the amplified RF signal according to a transmission/reception status of the RoF wired relay system.

摘要翻译： 一种用于使用远程站的有线中继方法及其装置，用于支持时分双工（TDD）无线通信业务的无线电光纤（RoF）有线中继系统，该无线通信业务共享用于上行链路和/或上行链路的低噪声放大器（LNA） 下行操作。 远程站包括：用于分配来自基站输入的携带服务数据的下行链路光信号和携带RoF有线中继系统的发送/接收控制信息的光信号的块，用于分离上行链路无线电的增益控制器 从天线输入的频率（RF）信号或从大功率放大器（HPA）输出的下行链路RF信号的一部分输入，并用于监视输入和输出RF信号的强度，以便控制LNA的增益。 A转换器相互转换光信号和RF信号，放大器放大转换的RF信号，RF信号流控制器根据RoF有线继电器的发送/接收状态自动控制放大的RF信号的上行链路和下行链路传输路径 系统。

公开(公告)号：US20070041406A1

公开(公告)日：2007-02-22

申请号：US11506135

申请日：2006-08-17

申请人： Sihai Wang ,  Sang-Ho Kim ,  Young-Hun Joo ,  Jae-Hun Cho ,  Yun-Je Oh ,  Fei-Fei Feng

发明人： Sihai Wang ,  Sang-Ho Kim ,  Young-Hun Joo ,  Jae-Hun Cho ,  Yun-Je Oh ,  Fei-Fei Feng

IPC分类号： H04J3/06

CPC分类号： H04L12/66

摘要： Disclosed is a method for approval of a time-dependent stream input to a predetermined node in a residential Ethernet system, the method including the steps of receiving a transmission request of the time-dependent stream by the predetermined node, extracting a pacing parameter and a cycle number, which are a delay value of the predetermined node and a transmission period of the time-dependent stream, respectively, from the transmission-requested time-dependent stream, calculating a transmission bandwidth of an entire time-dependent stream to be transmitted through the predetermined node, by taking into consideration the pacing parameter and the cycle number, determining if the transmission bandwidth, which includes the transmission-requested time-dependent stream, satisfies a total transmission bandwidth based on the pacing parameter and the cycle number and determining whether to approve the transmission-requested time-dependent stream.

摘要翻译： 公开了一种用于批准在住宅以太网系统中的预定节点输入时间的流的方法，所述方法包括以下步骤：接收预定节点对时间相关流的传输请求，提取起搏参数和 周期数，分别是来自发送请求的时间相关流的预定节点的延迟值和时间相关流的发送周期，计算要通过的整个时间依赖流的传输带宽 通过考虑起搏参数和周期数，确定包括发送请求的时间相关流的传输带宽是否基于起搏参数和周期数满足总传输带宽，并确定是否 以批准传输请求的时间依赖流。

公开(公告)号：US07119947B2

公开(公告)日：2006-10-10

申请号：US10869428

申请日：2004-06-16

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

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

IPC分类号： H10S4/00

CPC分类号： H01S3/06754 ,  H01S3/005 ,  H01S3/0064 ,  H01S3/0078 ,  H01S3/06766 ,  H01S3/0677 ,  H01S3/094023 ,  H01S3/0941 ,  H01S3/1608 ,  H01S3/1613 ,  H01S3/1616 ,  H04B10/506

摘要： A dual-port broadband light source is disclosed. In the dual-port broadband light source, a first beam splitter splits a first ASE at a first ratio into the second and third light paths and outputs the first ASE received from the second light path to the first light path. A second beam splitter splits a second ASE at a second ratio into the second and fourth light sources and outputs the second ASE received from the second light path to the first light path. A first reflector reflects input first and second ASEs in the first light path, and a second reflector reflects input first and second ASEs in the second light path. A first gain medium generates the first ASE between the first reflector and the first beam splitter, and a second gain medium generates the second ASE between the first reflector and the second beam splitter.

摘要翻译： 公开了一种双端口宽带光源。 在双端口宽带光源中，第一分束器以第一比率将第一ASE分离成第二和第三光路，并将从第二光路接收的第一ASE输出到第一光路。 第二分束器以第二比例将第二ASE分成第二和第四光源，并将从第二光路接收的第二ASE输出到第一光路。 第一反射器在第一光路中反射输入的第一和第二ASE，并且第二反射器在第二光路中反射输入的第一和第二ASE。 第一增益介质在第一反射器和第一分束器之间产生第一ASE，第二增益介质在第一反射器和第二分束器之间产生第二ASE。

公开(公告)号：US07031048B2

公开(公告)日：2006-04-18

申请号：US10899572

申请日：2004-07-27

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

IPC分类号： H01S3/00

CPC分类号： H01S3/06754 ,  H01S3/06795 ,  H01S3/1613 ,  H01S3/1616

摘要： Disclosed is a hybrid broadband optical source comprising an amplified spontaneous emission (ASE) light source module to generate ASE, a gain medium to amplify the ASE, a pump light source to generate pump light, and a wavelength selective coupler to supply the pump light to the gain medium.

摘要翻译： 公开了一种混合宽带光源，其包括放大的自发发射（ASE）光源模块以产生ASE，用于放大ASE的增益介质，用于产生泵浦光的泵浦光源以及将泵浦光提供给 增益介质。

公开(公告)号：US20050134185A1

公开(公告)日：2005-06-23

申请号：US10899572

申请日：2004-07-27

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Chang-Sup Shim ,  Yun-Je Oh

IPC分类号： G02B6/26 ,  H01J13/28 ,  H01S3/067 ,  H01S3/16

CPC分类号： H01S3/06754 ,  H01S3/06795 ,  H01S3/1613 ,  H01S3/1616

摘要： Disclosed is a hybrid broadband optical source comprising an amplified spontaneous emission (ASE) light source module to generate ASE, a gain medium to amplify the ASE, a pump light source to generate pump light, and a wavelength selective coupler to supply the pump light to the gain medium.

摘要翻译： 公开了一种混合宽带光源，其包括放大的自发发射（ASE）光源模块以产生ASE，用于放大ASE的增益介质，用于产生泵浦光的泵浦光源以及将泵浦光提供给 增益介质。

公开(公告)号：US08320681B2

公开(公告)日：2012-11-27

申请号：US12487378

申请日：2009-06-18

申请人： Hyun-Soo Kim ,  Seong-Taek Hwang ,  Sang-Wook Oh ,  Sang-Ho Kim ,  Yun-Je Oh ,  Hee-Won Jung ,  Sung-Cheol Kim

发明人： Hyun-Soo Kim ,  Seong-Taek Hwang ,  Sang-Wook Oh ,  Sang-Ho Kim ,  Yun-Je Oh ,  Hee-Won Jung ,  Sung-Cheol Kim

IPC分类号： G06K9/62

CPC分类号： G06K9/78 ,  G06K9/2081 ,  G06K9/228 ,  G06K9/325 ,  G06K9/723 ,  G06K2209/01

摘要： Disclosed is a method and an apparatus for recognizing characters using an image. A camera is activated according to a character recognition request and a preview mode is set for displaying an image photographed through the camera in real time. An auto focus of the camera is controlled and an image having a predetermined level of clarity is obtained for character recognition from the images obtained in the preview mode. The image for character recognition is character-recognition-processed so as to extract recognition result data. A final recognition character row is drawn that excludes non-character data from the recognition result data. A first word is combined including at least one character of the final recognition character row and a predetermined maximum number of characters. A dictionary database that stores dictionary information on various languages using the first word is searched, so as to provide the user with the corresponding word.

摘要翻译： 公开了一种使用图像识别字符的方法和装置。 根据字符识别请求激活相机，并且设置用于实时显示通过相机拍摄的图像的预览模式。 控制相机的自动对焦，并且从在预览模式中获得的图像中获得具有预定水平的清晰度的图像以进行字符识别。 用于字符识别的图像被字符识别处理，以便提取识别结果数据。 绘制从识别结果数据排除非字符数据的最终识别字符行。 组合第一个字，包括最终识别字符行的至少一个字符和预定的最大字符数。 搜索使用第一个单词存储各种语言的字典信息的词典数据库，以向用户提供对应的单词。

公开(公告)号：US07733825B2

公开(公告)日：2010-06-08

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： H04W4/00 ,  H04L12/56

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：US07450849B2

公开(公告)日：2008-11-11

申请号：US11197176

申请日：2005-08-04

申请人： Sang-Ho Kim ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

发明人： Sang-Ho Kim ,  Chang-Sup Shim ,  Yun-Je Oh ,  Seong-Taek Hwang

IPC分类号： H04J14/00

CPC分类号： H04J14/0227 ,  H04B10/071 ,  H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282

摘要： A wavelength-division multiplexing passive optical network (WDM-PON) comprising a central office for generating monitor light and multiplexed downstream optical signals to be out and detecting upstream optical signals, the central office including a signal monitoring unit monitoring based on fed-back monitor light if the wavelengths of the upstream optical signals and the wavelengths of the downstream optical signals change, a plurality of subscriber units for detecting corresponding downstream optical signals and generating upstream optical signals, a remote node for reflecting the monitor light to the central office, de-multiplexing multiplexed downstream optical signals so as to output the downstream optical signals to the corresponding subscriber units, and multiplexing the upstream optical signals so as to output the upstream optical signals to the central office, a first optical path for linking the central office to the remote node, and a plurality of second optical paths for linking the remote node to the subscriber units, respectively.

摘要翻译： 一种波分复用无源光网络（WDM-PON），包括用于产生监控光的中心局和多路复用的下行光信号，以便检测上行光信号，该中心局包括基于反馈监视器的信号监控单元 如果上游光信号的波长和下游光信号的波长发生变化，则用于检测相应的下行光信号并产生上行光信号的多个用户单元，用于将监控光反射到中心局的远端节点 复用下行光信号，以将下行光信号输出到对应的用户单元，并复用上行光信号，以将上行光信号输出到中心局;第一光路，用于将中心局连接到 远程节点和用于li的多个第二光路 将远程节点分别分配给用户单元。

公开(公告)号：US20070147835A1

公开(公告)日：2007-06-28

申请号：US11606666

申请日：2006-11-30

申请人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Kwan-Soo Lee ,  Yun-Je Oh ,  Jae-Hoon Lee

发明人： Sang-Ho Kim ,  Seong-Taek Hwang ,  Kwan-Soo Lee ,  Yun-Je Oh ,  Jae-Hoon Lee

IPC分类号： H04J14/00

CPC分类号： H04J14/0226 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0282 ,  H04J2014/0253

摘要： A method for controlling optical transmitters in a Wavelength Division Multiplexed (WDM)-Passive Optical Network (PON) system includes the steps of: determining the existence of an upward optical signal to control an optical transmitter provided for each corresponding Optical Node Terminal (ONT) to be turned on/off in an Optical Line Termination (OLT); and monitoring the state of a transmission buffer within an Ethernet switch to control a corresponding optical transmitter to be turned on/off in accordance with the state of the transmission buffer in each of the ONTs.

摘要翻译： 一种用于控制波分复用（WDM）无源光网络（PON）系统中的光发射机的方法包括以下步骤：确定存在向上的光信号以控制为每个对应的光节点终端（ONT）提供的光发射机， 在光线路终端（OLT）中打开/关闭; 以及监视以太网交换机内的发送缓冲器的状态，以根据每个ONT中的发送缓冲器的状态来控制相应的光发送器被接通/断开。

公开(公告)号：US20060274754A1

公开(公告)日：2006-12-07

申请号：US11444786

申请日：2006-06-01

申请人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

发明人： Jae-Hun Cho ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jong-Ho Yoon ,  Han-Kyun Jung

IPC分类号： H04L12/56 ,  H04J3/06

CPC分类号： H04L12/52 ,  H04L49/351

摘要： Disclosed is a Residential Ethernet node apparatus for maintaining a starting point of a superframe, the Residential Ethernet node apparatus comprising a synchronous queue for receiving and temporarily storing synchronous data, in order to transmit the synchronous data by inserting the synchronous data into a transmission cycle, a parser for receiving asynchronous frames from at least one exterior source, parsing the asynchronous frames according to characteristics of the asynchronous frames, a plurality of the asynchronous queues for separately storing the asynchronous frames received from the parser according to the characteristics of the asynchronous frames, a scheduler for receiving the asynchronous frames from the asynchronous queues, and transmitting the received asynchronous frame when it is possible to transmit the received asynchronous frame, and a multiplexer, which receives a synchronous frame from the synchronous queue and an asynchronous frame from the scheduler so as to transmit the synchronous frame and asynchronous frame in a form of a transmission cycle while maintaining a starting point of a superframe.

摘要翻译： 公开了一种用于维护超帧起始点的住宅以太网节点设备，该住宅以太网节点设备包括用于接收和临时存储同步数据的同步队列，以便通过将同步数据插入传输周期来发送同步数据， 用于从至少一个外部源接收异步帧的解析器，根据所述异步帧的特征来解析异步帧;多个异步队列，用于根据异步帧的特性分别存储从解析器接收到的异步帧; 调度器，用于从异步队列接收异步帧，并且当可以发送接收到的异步帧时发送接收到的异步帧;多路复用器，其从同步队列接收同步帧，并从调度器接收异步帧 至于t 以传输周期的形式发送同步帧和异步帧，同时保持超帧的起始点。