公开(公告)号：US20060230147A1

公开(公告)日：2006-10-12

申请号：US11399867

申请日：2006-04-07

申请人： Jae-Hun Cho ,  Jong-Ho Yoon ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jun-Ho Koh ,  Hee-Kyung Choi

发明人： Jae-Hun Cho ,  Jong-Ho Yoon ,  Sang-Ho Kim ,  Yun-Je Oh ,  Jun-Ho Koh ,  Hee-Kyung Choi

IPC分类号： G06F15/173

CPC分类号： H04L12/66

摘要： A method for transmitting asynchronous data includes including: comparing a size of asynchronous data with that of an empty transmission area; inserting the asynchronous data into the empty transmission area when the asynchronous data has a size smaller than or equal to that of the empty transmission area; determining if the empty transmission area has a size larger than a predetermined threshold value when the asynchronous data has a size larger than that of the empty transmission area; transmitting the asynchronous data with the empty transmission area left when the empty transmission area has a size smaller than the predetermined threshold value; and segmenting the asynchronous data according to the size of the empty transmission area when the empty transmission area has a size larger than the predetermined threshold value, inserting the segmented asynchronous data into the empty transmission area, and transmitting remaining segmented asynchronous data in a subsequent transmission cycle.

摘要翻译： 用于发送异步数据的方法包括：将异步数据的大小与空的传输区域的大小进行比较; 当异步数据的大小小于或等于空传输区域的大小时，将异步数据插入空传输区域; 当所述异步数据的尺寸大于所述空的传输区域的大小时，确定所述空的传输区域是否具有大于预定阈值的大小; 当所述空传输区域具有小于所述预定阈值的大小时，向所述空传输区域发送所述异步数据; 并且当所述空传输区域具有大于所述预定阈值的大小时，根据所述空传输区域的大小来分割所述异步数据，将所述分段的异步数据插入所述空传输区域，以及在随后的传输中发送剩余的分段异步数据 周期。

公开(公告)号：US20060161676A1

公开(公告)日：2006-07-20

申请号：US11332521

申请日：2006-01-13

申请人： Sang-Mo Hong ,  Chang-Sup Shim ,  Jun-Ho Koh

发明人： Sang-Mo Hong ,  Chang-Sup Shim ,  Jun-Ho Koh

IPC分类号： G06F15/16

CPC分类号： H04N21/64322 ,  H04L65/607 ,  H04L65/80 ,  H04N21/2381 ,  H04N21/242

摘要： An apparatus for IP streaming capable of smoothing a multimedia stream is disclosed. The apparatus transmits real-time broadcast through an Internet protocol (IP) network and reduces transmission loss by lowering the influence derived from jitters in an IP network having a burst characteristic. The apparatus is capable of smoothing a multimedia stream in a multimedia stream service outputting data through buffering based on a packetized elementary stream packet unit, which is easy to synchronize voice with video and suitable for the real-time multimedia stream service.

摘要翻译： 公开了一种用于平滑多媒体流的IP流的装置。 该装置通过因特网协议（IP）网络发送实时广播，并通过降低具有突发特性的IP网络中的抖动导致的影响来减少传输损失。 该装置能够平滑通过基于分组化的基本流分组单元的缓冲输出数据的多媒体流服务，该单元容易地使语音与视频同步并适合于实时多媒体流服务。

公开(公告)号：US07076177B1

公开(公告)日：2006-07-11

申请号：US09621009

申请日：2000-07-20

申请人： Kwang-Jin Yang ,  Jun-Ho Koh ,  Gil-Yong Park ,  Bong-Sin Kwark

发明人： Kwang-Jin Yang ,  Jun-Ho Koh ,  Gil-Yong Park ,  Bong-Sin Kwark

IPC分类号： H04B10/00 ,  H04B10/06 ,  H03K5/01

CPC分类号： H03K5/1534 ,  H04B10/66

摘要： A bit-rate independent optical receiver and a method thereof. In the bit-rate independent optical receiver, an optoelectric converter converts an input optical signal to an original electrical signal, a bit rate identifying unit forms a resultant signal by performing an exclusive-OR (XOR) logic operation on the original electrical signal received from the optoelectric converter and a second signal corresponding to the original electrical signal delayed by a predetermined quantity of time, and detects a bit rate from the resultant signal, a reference clock generator generates a reference clock signal according to the detected bit rate, and a clock and data recovery circuit recovers a clock signal and data from the input signal according to the reference clock signal.

摘要翻译： 一种比特率独立光接收机及其方法。 在比特率独立光接收机中，光电转换器将输入光信号转换为原始电信号，比特率识别单元通过对从原始电信号接收到的原始电信号执行异或（XOR）逻辑运算，形成合成信号 所述光电转换器和对应于原始电信号的第二信号延迟预定时间量，并且从所得到的信号中检测比特率，参考时钟发生器根据检测到的比特率产生参考时钟信号，并且产生时钟 并且数据恢复电路根据参考时钟信号从输入信号中恢复时钟信号和数据。

公开(公告)号：US20060126597A1

公开(公告)日：2006-06-15

申请号：US11126741

申请日：2005-05-11

申请人： Kyung-Ho Chae ,  Chang-Sup Shim ,  Jun-Ho Koh

发明人： Kyung-Ho Chae ,  Chang-Sup Shim ,  Jun-Ho Koh

IPC分类号： H04L12/66

CPC分类号： H04L29/06027 ,  H04H60/72 ,  H04H60/82 ,  H04L65/4076 ,  H04N5/44543 ,  H04N21/2355 ,  H04N21/23608 ,  H04N21/2381 ,  H04N21/4622 ,  H04N21/64322

摘要： In a digital broadcasting system comprising a server for retransmitting a digital broadcast on the basis of an Internet protocol (IP), a user terminal for receiving the digital broadcast on the basis of the IP, and a router for connecting the server with the user terminal, the server performs a method for providing the broadcasting channel information that includes the steps of dividing a broadcasting stream to be transmitted to the user terminal into the broadcasting channel information and other information excluding the broadcasting channel information by demultiplexing the broadcasting stream and extracting the broadcasting channel information from the divided broadcasting stream, converting the extracted broadcasting channel information into IP-based broadcasting channel information by inserting the Internet protocol information for each broadcasting channel into the extracted broadcasting channel information, and remultiplexing the IP-based converted broadcasting channel information and the other information and transmitting the remultiplexed information to the user terminal.

摘要翻译： 在包括用于基于因特网协议（IP）的基础上重传数字广播的服务器的数字广播系统中，基于IP接收数字广播的用户终端和用于将服务器与用户终端连接的路由器 服务器执行一种提供广播频道信息的方法，该广播频道信息包括以下步骤：通过解复用广播流并提取广播来将要发送的用户终端的广播流划分为广播频道信息和除广播频道信息之外的其他信息 来自分割的广播流的频道信息，通过将每个广播频道的因特网协议信息插入到所提取的广播频道信息中，将所提取的广播频道信息转换为基于IP的广播频道信息，并重新复用基于IP的转换的广播频道信息 离子和其他信息，并将多路复用信息发送到用户终端。

公开(公告)号：US20050169632A1

公开(公告)日：2005-08-04

申请号：US10937626

申请日：2004-09-09

申请人： Kwan-Woong Song ,  Jeong-Rok Park ,  Jae-Hun Cho ,  Jun-Ho Koh

发明人： Kwan-Woong Song ,  Jeong-Rok Park ,  Jae-Hun Cho ,  Jun-Ho Koh

IPC分类号： G06F13/00 ,  H04B10/2581 ,  H04H1/00 ,  H04H20/77 ,  H04J14/00 ,  H04J14/02 ,  H04J14/08 ,  H04L12/28 ,  H04L12/44 ,  H04L12/66 ,  H04L29/06 ,  H04N7/173 ,  H04N7/22 ,  H04N21/61 ,  H04N21/647

CPC分类号： H04H20/77 ,  H04J14/02 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0282 ,  H04Q11/0067 ,  H04Q2011/0064

摘要： A broadcast/communication convergence system, and an FTTH (Fiber To The Home) system that can accommodate broadcast signals of various channels and variable band signals by converging broadcast and communication signals and transmitting the converged broadcast and communication signals using an IEEE 1394 transmission method serving as a standard interface in the FTTH system for broadcast/communication convergence. An OLT (Optical Line Terminal) transfers a plurality of broadcast signals and a communication signal received from external broadcast and communication providers through a single optical signal (A). An ONU (Optical Network Unit) receives the optical signal (A) from the OLT, separates the received optical signal into the plurality of broadcast signals and the communication signal, opto-electrically converts the plurality of broadcast signals and the communication signal, switches the converted broadcast signals subscriber by subscriber, combines the converted communication signal with the switched converted broadcast signals. The result is transferred to a corresponding subscriber through a single optical signal (B). A gateway at each subscriber is implemented by IEEE 1394 protocol to receive the optical signal (B) from the ONU, separate the received optical signal into the broadcast signals and the communication signal, and transfer the broadcast signals and the communication signal to a corresponding subscriber device.

摘要翻译： 广播/通信会聚系统和FTTH（光纤到户）系统，其可以通过会聚广播和通信信号并且使用服务的IEEE 1394传输方法来发送会聚的广播和通信信号来适应各种频道和可变频带信号的广播信号 作为广播/通信融合FTTH系统的标准接口。 OLT（光线路终端）通过单个光信号（A）传送从外部广播和通信提供者接收的多个广播信号和通信信号。 ONU（光网络单元）从OLT接收光信号（A），将接收到的光信号分离成多个广播信号和通信信号，对多个广播信号和通信信号进行光电转换，切换 由用户转换的广播信号用户组合转换后的通信信号与切换转换的广播信号。 结果通过单个光信号（B）传送到相应的用户。 每个用户的网关由IEEE 1394协议实现，用于从ONU接收光信号（B），将接收的光信号分离成广播信号和通信信号，并将广播信号和通信信号传送到相应的用户 设备。

公开(公告)号：US20050160418A1

公开(公告)日：2005-07-21

申请号：US10995451

申请日：2004-11-23

申请人： Jee-Won Jeong ,  Kug Shin ,  Jun-Ho Koh ,  Young-Seok Kim ,  Yun-Je Oh

发明人： Jee-Won Jeong ,  Kug Shin ,  Jun-Ho Koh ,  Young-Seok Kim ,  Yun-Je Oh

IPC分类号： G06F11/00 ,  G06F9/44 ,  G06F9/445 ,  H04L12/16

CPC分类号： H04L67/34 ,  G06F8/65

摘要： An embedded system using binary-position information and capable of updating software more promptly is disclosed. The embedded system includes a server for receiving software-version information from a target system for a comparison of a binary image associated with the received software-version information with a binary image corresponding to a new software version and generating a changed binary image and position information in the data to be downloaded, and a target system for analyzing the data downloaded from the server and updating the binary image with reference to the position information.

摘要翻译： 公开了一种使用二进制位置信息并能更快更新软件的嵌入式系统。 嵌入式系统包括用于从目标系统接收软件版本信息的服务器，用于将与接收到的软件版本信息相关联的二进制图像与对应于新软件版本的二进制图像进行比较，并生成改变的二进制图像和位置信息 在要下载的数据中，以及用于分析从服务器下载的数据并参照位置信息更新二进制图像的目标系统。

公开(公告)号：US20050101246A1

公开(公告)日：2005-05-12

申请号：US10706494

申请日：2003-11-12

申请人： Do-In Choi ,  Yun-Je Oh ,  Jun-Ho Koh

发明人： Do-In Choi ,  Yun-Je Oh ,  Jun-Ho Koh

IPC分类号： H04N7/10 ,  H04H20/00 ,  H04J3/00 ,  H04J3/04 ,  H04L12/28 ,  H04N7/16 ,  H04N21/61 ,  H04H1/00

CPC分类号： H04N21/6587 ,  H04N7/17318 ,  H04N21/23608 ,  H04N21/2362 ,  H04N21/472 ,  H04N21/64322

摘要： A subscriber distribution system for distributing broadcasting data to subscribers through a subscriber network. The subscriber distribution system has a PID filter section for checking contents of an inputted MPEG2 MPTS frame and splitting the MPEG2 MPTS frame into SPTS, a table regenerator for regenerating a PAT and a PMT that correspond with the SPTS by changing contents in the PAT and the PMT. An SPTS splitting and storing section stores the SPTS at high speed in a memory area of a buffer, which is assigned to subscribers according to PIDS. A subscriber distribution section selecting the SPTS requested by subscribers and storing the SPTS in the memory area of the buffer assigned to subscribers. A control section receives MPTS information from a higher network to provide MPTS information to the PID filter section and the table regenerator, and receives a request for a program from subscribers, and transfers the request to the subscriber distribution section.

摘要翻译： 一种用户分配系统，用于通过用户网络向用户分发广播数据。 用户分配系统具有用于检查输入的MPEG2 MPTS帧的内容并将MPEG2 MPTS帧分割成SPTS的PID滤波器部分，用于通过改变PAT中的内容来再现与PTS对应的PAT和PMT的表再生器， PMT。 SPTS分割存储部分将SPTS高速存储在根据PIDS分配给用户的缓冲器的存储区域中。 用户分配部分，选择由用户请求的SPTS，并将SPTS存储在分配给用户的缓冲器的存储器区域中。 控制部分从较高的网络接收MPTS信息以向PID过滤部分和表再生器提供MPTS信息，并且从订户接收节目的请求，并将该请求传送到用户分发部分。

公开(公告)号：US20050053376A1

公开(公告)日：2005-03-10

申请号：US10825819

申请日：2004-04-16

申请人： Young-Hun Joo ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Jae-Hun Cho

发明人： Young-Hun Joo ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Jae-Hun Cho

IPC分类号： H04L12/44 ,  H04B10/272 ,  H04B10/524 ,  H04B10/556 ,  H04H1/00 ,  H04H20/69 ,  H04J14/02 ,  H04L12/28 ,  H04N7/173 ,  H04N7/22 ,  H04Q11/00 ,  H04J14/00 ,  H04B10/08 ,  H04L12/43

CPC分类号： H04Q11/0067 ,  H04H20/69 ,  H04J14/0226 ,  H04J14/0232 ,  H04J14/0247 ,  H04J14/0252 ,  H04J14/0279 ,  H04J14/0282 ,  H04L12/2801 ,  H04N7/17309 ,  H04N7/22 ,  H04Q11/0066 ,  H04Q11/0071

摘要： A fiber to the home FTTH network for convergence of broadcasting and communication is disclosed. The network includes: an OLT for receiving and converting a first predetermined number of broadcast signals and an Ethernet signal into a plurality of converted optical signals, combining the converted optical signals into converged optical signals for subsequent transmission by an optical wavelength division multiplexing method; and an optical network unit (ONU) for classifying the optical signal transmitted from the OLT into the first predetermined number of broadcast signals and the Ethernet signal, switching a second predetermined number of broadcasting signals of the first predetermined number of broadcasting signals according to each SIU by channel selection information contained in upstream Ethernet information, and switching the Ethernet signal to be transmitted to the SIU according to each SIU so as to transmit the switched signal.

摘要翻译： 公开了一种用于广播和通信融合的家庭FTTH网络的光纤。 该网络包括：OLT，用于将第一预定数量的广播信号和以太网信号转换成多个转换的光信号，将转换的光信号组合成会聚的光信号，以便通过光波分复用方法进行后续传输; 以及用于将从OLT发送的光信号分类为第一预定数量的广播信号和以太网信号的光网络单元（ONU），根据每个SIU切换第一预定数量的广播信号的第二预定数量的广播信号 通过上行以太网信息中包含的信道选择信息，根据各SIU将要发送的以太网信号切换到SIU，以发送切换信号。

公开(公告)号：US20050047341A1

公开(公告)日：2005-03-03

申请号：US10771942

申请日：2004-02-04

申请人： Yong-Deok Kim ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Yun-Je Oh

发明人： Yong-Deok Kim ,  Jun-Ho Koh ,  Chan-Yul Kim ,  Yun-Je Oh

IPC分类号： H04N7/12 ,  H04L12/28

CPC分类号： H04N21/23611

摘要： Disclosed is a device for filtering out a null packet in a data stream for example an MPEG-2 TS (Transport Stream) to avoid bandwidth waste when it is transmitted to a backbone network. The device includes a plurality of receiving interfaces, a filter unit, and a controller. The receiving interfaces receive parallel data, such as DVB-ASI (Digital Video Broadcasting-Asynchronous Serial Interface) inputs as channel-by-channel MPEG-2 data. The filter unit counts the respective numbers of data packets and non-data packets of the data input from the receiving interfaces and filters a null packet in the data. A network transmission unit transmits the filtered data to a backbone network. The controller calculates a bit rate based on both of the count numbers received from the filter unit.

摘要翻译： 公开了一种用于过滤出例如MPEG-2TS（传输流）的数据流中的零分组的装置，以避免在传输到骨干网络时的带宽浪费。 该装置包括多个接收接口，滤波器单元和控制器。 接收接口接收并行数据，例如作为逐个通道MPEG-2数据的DVB-ASI（数字视频广播 - 异步串行接口）输入。 滤波器单元对从接收接口输入的数据的数据分组和非数据分组的数量进行计数，并对数据中的零分组进行过滤。 网络传输单元将过滤的数据发送到骨干网络。 控制器基于从滤波器单元接收的两个计数值计算比特率。

公开(公告)号：US20050008370A1

公开(公告)日：2005-01-13

申请号：US10754029

申请日：2004-01-08

申请人： Jong-Kwon Kim ,  Jun-Ho Koh ,  Yun-Je Oh

发明人： Jong-Kwon Kim ,  Jun-Ho Koh ,  Yun-Je Oh

IPC分类号： G02B6/12 ,  G02B6/293 ,  G02B6/34 ,  H04J14/02

CPC分类号： G02B6/12021 ,  G02B6/2932 ,  G02B6/29383 ,  H04J14/0216

摘要： Disclosed is an optical add/drop multiplexer connected to an optical fiber for transmission of a multiplexed optical signal, and adapted to add a channel to the optical signal or to drop a channel from the optical signal. The optical add/drop multiplexer includes a wavelength division multiplexing/demultiplexing (WDM) unit connected to the optical fiber, having input and output ports providing a path for a multiplexed optical signal, and a plurality of demultiplexing ports respectively providing paths for demultiplexed channels. A plurality of add/drop multiplexer (ADM) units respectively connected to the demultiplexing ports of the WDM unit, each of the ADM units including first and second circulators each adapted to output a channel, input to a higher-order port thereof, to a lower-order port, and a reflector for passing or reflecting a channel inputted thereto. The first circulator receives a channel at a second port and outputs the channel to a third port connected to the reflector. The first circulator receives, at the third port, the channel from the reflector, and outputs the secondarily received channel to a fourth port, thereby dropping the channel. The second circulator receives a channel at a first port, outputs the received channel to a second port connected to the reflector, receives, at the second port thereof, the channel from the reflector, and outputs the secondarily received channel to a third port connected to a first port of the first circulator, thereby adding the channel.

摘要翻译： 公开了一种连接到光纤的光分插复用器，用于传输复用的光信号，并且适于将信道添加到光信号或从光信号中丢弃信道。 光分插复用器包括连接到光纤的波分复用/解复用（WDM）单元，具有提供复用光信号的路径的输入和输出端口，以及分别提供多路复用信道路径的多个解复用端口。 分别连接到WDM单元的解复用端口的多个分插复用器（ADM）单元，每个ADM单元包括第一和第二循环器，每个循环器适于输出到其高阶端口的通道，输入到其高阶端口 低位端口，以及用于使输入的通道的通过或反射的反射器。 第一循环器在第二端口处接收通道并将通道输出到连接到反射器的第三端口。 第一循环器在第三端口处从反射器接收信道，并将其次接收的信道输出到第四端口，从而丢弃信道。 第二循环器在第一端口处接收通道，将接收的通道输出到连接到反射器的第二端口，在其第二端口处从反射器接收通道，并将其次接收的通道输出到连接到 第一循环器的第一端口，从而增加通道。