Bit-rate independent optical receiver and method thereof
    91.
    发明授权
    Bit-rate independent optical receiver and method thereof 失效
    比特率独立光接收机及其方法

    公开(公告)号:US07076177B1

    公开(公告)日:2006-07-11

    申请号:US09621009

    申请日:2000-07-20

    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。

    Apparatus for providing broadcasting channel information in internet protocol based digital broadcasting system and method thereof
    92.
    发明申请
    Apparatus for providing broadcasting channel information in internet protocol based digital broadcasting system and method thereof 有权
    用于在基于互联网协议的数字广播系统中提供广播频道信息的装置及方法

    公开(公告)号:US20060126597A1

    公开(公告)日:2006-06-15

    申请号:US11126741

    申请日:2005-05-11

    IPC分类号: H04L12/66

    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。

    FTTH system for broadcast/communication convergence using IEEE 1394
    93.
    发明申请
    FTTH system for broadcast/communication convergence using IEEE 1394 失效
    使用IEEE 1394的广播/通信融合FTTH系统

    公开(公告)号:US20050169632A1

    公开(公告)日:2005-08-04

    申请号:US10937626

    申请日:2004-09-09

    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。

    Embedded system using binary position information and software downloading method therein
    94.
    发明申请
    Embedded system using binary position information and software downloading method therein 审中-公开
    使用二进制位置信息和软件下载方法的嵌入式系统

    公开(公告)号:US20050160418A1

    公开(公告)日:2005-07-21

    申请号:US10995451

    申请日:2004-11-23

    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。

    MPEG2 SPTS-splitting type subscriber distribution system and distribution method thereof
    95.
    发明申请
    MPEG2 SPTS-splitting type subscriber distribution system and distribution method thereof 审中-公开
    MPEG2 SPTS分割式用户分配系统及其分发方法

    公开(公告)号:US20050101246A1

    公开(公告)日:2005-05-12

    申请号:US10706494

    申请日:2003-11-12

    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。

    Optical add/drop multiplexer using circulators and reflectors
    96.
    发明申请
    Optical add/drop multiplexer using circulators and reflectors 审中-公开
    使用循环器和反射器的光分插复用器

    公开(公告)号:US20050008370A1

    公开(公告)日:2005-01-13

    申请号:US10754029

    申请日:2004-01-08

    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。

    Opto-electrical cross connect device of high density
    97.
    发明授权
    Opto-electrical cross connect device of high density 失效
    高密度光电交联装置

    公开(公告)号:US06738553B2

    公开(公告)日:2004-05-18

    申请号:US09921184

    申请日:2001-08-02

    IPC分类号: G02B600

    CPC分类号: G02B6/3582 G02B6/3598

    摘要: Disclosed is an opto-electrical cross connect device of high density including a shelf having a plurality of guide rails at its inner portions; a switch motherboard disposed on the rear surface of the shelf; an electric crosspoint switch positioned on the front surface of the switch motherboard; a plurality of switch connectors positioned on the front surface of the switch motherboard; an optical transceiver board mounted in the guide rail of the shelf; and, a transceiver connector disposed at the rear end of the optical transceiver board for connecting to the switch connector of the switch motherboard.

    摘要翻译: 公开了一种高密度的光电交叉连接装置,包括在其内部具有多个导轨的搁板; 设置在搁板后表面上的开关母板; 位于开关母板的前表面上的电交叉点开关; 位于开关母板的前表面上的多个开关连接器; 安装在搁架的导轨中的光收发板; 以及设置在光收发板的后端的收发器连接器,用于连接到开关母板的开关连接器。