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    • 3. 发明授权
    • Digital automatic gain control apparatus and method in burst mode optical receiver
    • 数字自动增益控制装置和方法在突发模式光接收机
    • US08660439B2
    • 2014-02-25
    • US12086225
    • 2006-12-05
    • Ho-Yong KangHyun-Kyun ChoiQuan LeYool KwonBong-Tae KimSang-Gug Lee
    • Ho-Yong KangHyun-Kyun ChoiQuan LeYool KwonBong-Tae KimSang-Gug Lee
    • H04B10/69
    • H04B10/6931H03G3/3084H04B10/66
    • A transimpedance amplifier for a burst mode optical communication converts a burst current signal into differential output voltage signals. Using a multi-level digital AGC mechanism, the transimpedance amplifier is rapidly adapted to a burst signal whose amplitude varies in a wide range. By using an adaptive level detection method, a multi-level digital AGC can be implemented without using ADC. In addition, because the transimpedance amplifier uses a selective reset generation scheme that performs a reset operation for itself after a high power burst, a burst mode operation can be performed without external reset signals. Accordingly, the transimpedance amplifier can be integrated with an optical detector within a TO-can. Furthermore, the transimpedance amplifier can have the burst mode capability and the best sensitivity.
    • 用于突发模式光通信的跨阻放大器将突发电流信号转换成差分输出电压信号。 使用多电平数字AGC机制,跨阻放大器快速适应幅度在宽范围内变化的脉冲串信号。 通过使用自适应电平检测方法,可以在不使用ADC的情况下实现多电平数字AGC。 此外,由于跨阻抗放大器使用在高功率突发之后对其自身执行复位操作的选择性复位产生方案,所以可以在没有外部复位信号的情况下执行突发模式操作。 因此,跨阻放大器可以与TO-can内的光学检测器集成。 此外,跨阻放大器可以具有突发模式能力和最佳灵敏度。
    • 4. 发明授权
    • EPON bridge apparatus and method for forwarding thereof
    • EPON桥接装置及其转发方法
    • US07684403B2
    • 2010-03-23
    • US11514561
    • 2006-09-01
    • Chan KimTae Whan YooYool KwonBong-Tae Kim
    • Chan KimTae Whan YooYool KwonBong-Tae Kim
    • G01R31/08
    • H04Q11/0067H04Q11/0071H04Q2011/0064
    • The invention relates to an EPON bridge apparatus and a forwarding method thereof. In a case of receiving a frame from the network port or the PON port, the apparatus associates the port having the received frame inputted with a source MAC address of the received frame to learn the information in an FDB table, which manages port information for the learned MAC address. Then the apparatus refers to the FDB table to remove an LLID from upstream frame, and then forwards the upstream frame to the network port, while attaching an LLID corresponding to a destination MAC address to the downstream frame to transmit to the PON port. Bridging between ONUs is possible with flooding capability using an anti-LLID. VLAN-LLID translation mode is provided with support for VLAN tag addition/removal at the ONU side. A multicast pruning function is provided for the downstream.
    • 本发明涉及一种EPON桥接装置及其转发方法。 在从网络端口或PON端口接收帧的情况下,该装置将输入的接收帧的端口与接收到的帧的源MAC地址相关联,以学习FDB表中的信息,该FDB表管理用于 学习MAC地址。 然后,该装置参考FDB表从上游帧中删除LLID,然后将上行帧转发到网络端口,同时将与目的MAC地址相对应的LLID附加到下行帧,以发送给PON端口。 使用反LLID,可以通过洪泛功能连接ONU之间的桥接。 提供VLAN-LLID转换模式,支持ONU侧的VLAN Tag添加/删除。 为下游提供组播剪枝功能。
    • 5. 发明申请
    • SYSTEM AND METHOD SUPPORTING DYNAMIC DELIVERY OF PROGRAM TIME TABLES AND BROADCAST PROGRAMS
    • 支持程序时间表和广播程序动态传送的系统和方法
    • US20100058411A1
    • 2010-03-04
    • US12514443
    • 2006-12-06
    • Byung-Tak LeeHo-Young SongBong-Tae KimSung-Yong LeeByong-Kwon Moon
    • Byung-Tak LeeHo-Young SongBong-Tae KimSung-Yong LeeByong-Kwon Moon
    • H04N7/173
    • H04N7/165H04N21/262H04N21/2665H04N21/6125H04N21/84
    • A broadcast service provider must transmit broadcast programs by dynamically reflecting real-time reconfiguration of broadcast timetables and broadcast programs of a plurality of broadcast program providers and the broadcast service provider.A broadcast program providing apparatus and method for supporting dynamic delivery of program timetables and broadcast programs are provided. The apparatus includes a broadcast time organizer generating a third broadcast timetable by organizing broadcast times using a first broadcast timetable obtained by organizing broadcast times of first broadcast programs provided by a plurality of broadcast program providers or both the first broadcast timetable and a second broadcast timetable obtained by organizing broadcast times of second self-produced broadcast programs, and a broadcast program controller transmitting an exact broadcast program at an exact broadcast time according to the third broadcast timetable using the first broadcast programs received from the plurality of broadcast program providers or both the first broadcast programs and the second self-produced broadcast programs, which correspond to the third broadcast timetable. Thus, a broadcast service provider can transmit broadcast programs by dynamically reflecting real-time reconfiguration of broadcast timetables and broadcast programs of a plurality of broadcast program providers and the broadcast service provider.
    • 广播服务提供商必须通过动态地反映多个广播节目提供商和广播服务提供商的广播时间表和广播节目的实时重新配置来发送广播节目。 提供了用于支持节目时间表和广播节目的动态传送的广播节目提供装置和方法。 该装置包括广播时间组织者,其通过使用通过组织由多个广播节目提供者提供的第一广播节目的广播时间获得的第一广播时间表来组织广播时间,或者获得第一广播时间表和第二广播时间表 通过组播第二自播广播节目的广播时间,以及广播节目控制器,使用从多个广播节目提供者接收到的第一广播节目,根据第三广播时间表,在确切的广播时间发送准确的广播节目, 广播节目和第二个自产广播节目,其对应于第三广播时间表。 因此,广播服务提供商可以通过动态地反映多个广播节目提供商和广播服务提供商的广播时间表和广播节目的实时重新配置来发送广播节目。
    • 6. 发明申请
    • OPTICAL COMMUNICATION SYSTEM AND METHOD USING MANCHESTER ENCODED SIGNAL REMODULATION
    • 光通信系统和使用曼彻斯特编码信号重构的方法
    • US20090116848A1
    • 2009-05-07
    • US12293973
    • 2007-02-21
    • Bong-Kyu KimHeuk ParkKwangjoon KimBong-Tae Kim
    • Bong-Kyu KimHeuk ParkKwangjoon KimBong-Tae Kim
    • H04B10/00
    • H04L25/4904H03M5/12H04B10/2587
    • An optical communication system and method using Manchester encoded signal remodulation are provided. The optical communication system includes a transmitter generating and transmitting a Manchester encoded optical signal including a first data stream, and a receiver receiving an optical signal obtained by dividing power of the Manchester encoded optical signal into two parts and modulating one of the two parts to include a second data stream, and recovering the second data stream. In two-way communication, the optical communication system and method allow one party to generate and transmit a Manchester encoded signal (i.e., a downstream signal) to the other party and allow the other party to generate an upstream signal by modulating the optical power of the downstream signal without using a light source.
    • 提供了使用曼彻斯特编码信号再调制的光通信系统和方法。 光通信系统包括发射和发送包括第一数据流的曼彻斯特编码的光信号的发射机和接收通过将曼彻斯特编码的光信号的功率分成两部分而获得的光信号的接收机,并且调制这两部分中的一个以包括 第二数据流,并且恢复第二数据流。 在双向通信中,光通信系统和方法允许一方生成曼彻斯特编码信号(即,下行信号)并发送给另一方,并允许另一方通过调制光信号的光功率来产生上行信号 下游信号不使用光源。
    • 9. 发明申请
    • Internet broadcasting system and method thereof
    • 互联网广播系统及其方法
    • US20060126668A1
    • 2006-06-15
    • US11176902
    • 2005-07-07
    • Jeong-Gook KwonKyeong-Seob ChoJea-Hoon YuBong-Tae Kim
    • Jeong-Gook KwonKyeong-Seob ChoJea-Hoon YuBong-Tae Kim
    • H04H1/04
    • H04H20/82H04L12/185H04L12/1886H04L29/12009H04L29/12801H04L29/12924H04L49/201H04L61/6004H04L61/6063
    • An Internet broadcasting system and a method thereof are provided. The Internet broadcasting system includes: a signal converter for converting a received analog broadcasting signal into a digital broadcasting data; an Internet broadcasting unit for storing and sending the digital broadcasting data; a repeater for relaying the digital broadcasting data to a switching unit connected with a terminal according to a broadcasting request message inputted from the terminal but selectively relaying a channel selected by the terminal by referring to a first multicasting forwarding table created by using a UDP port number extracted from the broadcasting request message; and the switching unit for snooping on the broadcasting request message, extracting the UDP port number, storing the extracted UDP port number into a second multicasting forwarding table, and transmitting the digital broadcasting data of the selected channel to the corresponding terminal referring to an entry of the second multicasting forwarding table.
    • 提供了一种互联网广播系统及其方法。 互联网广播系统包括:信号转换器,用于将接收的模拟广播信号转换成数字广播数据; 互联网广播单元,用于存储和发送数字广播数据; 中继器,用于根据从终端输入的广播请求消息将数字广播数据中继到与终端连接的切换单元,但是通过参考通过使用UDP端口号创建的第一多播转发表来选择性地中继由终端选择的频道 从广播请求消息中提取; 以及用于在广播请求消息上窥探的切换单元,提取UDP端口号,将提取的UDP端口号存储到第二组播转发表中,并且将所选频道的数字广播数据发送到相应终端,参考 第二组播转发表。
    • 10. 发明授权
    • Composition for preparing separator, method for preparing separator, and electrochemical device having separator prepared therefrom
    • 用于制备隔膜的组合物,用于制备隔膜的方法和具有由其制备的隔膜的电化学装置
    • US08765023B2
    • 2014-07-01
    • US13930970
    • 2013-06-28
    • Bong-Tae KimHeon-Sik SongCheon-Il Park
    • Bong-Tae KimHeon-Sik SongCheon-Il Park
    • H01B1/00H01M2/16C08G63/48C08F8/00H01M2/14
    • H01B1/00H01M2/14H01M2/145H01M2/1653
    • The present invention relates to a composition for preparing a separator for an electrochemical device, a method preparing a separator for an electrochemical device, and an electrochemical device having a separator prepared therefrom, more particularly, a composition for preparing a separator for an electrochemical device, comprising a polyolefin, a first diluent, and a second diluent, wherein an interaction energy between the first diluent and the second diluent is in the range of 2 to 3.5 cal/cm3, a method preparing a separator for an electrochemical device using the composition, and an electrochemical device having a separator prepared therefrom. In accordance with the present invention, the pore size of a polyolefin separator can be suitably controlled into a size desired by a user, and the high-temperature stability and mechanical property of the separator can be remarkably improved, thereby enhancing the life time and stability of an electrochemical device having the same.
    • 本发明涉及一种用于制备电化学装置用隔膜的组合物,制备电化学装置用隔膜的方法和具有由其制备的隔膜的电化学装置,更具体地说,涉及一种用于制备电化学装置用隔膜的组合物, 包括聚烯烃,第一稀释剂和第二稀释剂,其中所述第一稀释剂和所述第二稀释剂之间的相互作用能在2至3.5cal / cm 3的范围内;制备用于使用所述组合物的电化学装置的分离器的方法, 和具有由其制备的隔膜的电化学装置。 根据本发明,可以将聚烯烃隔膜的孔径适当地控制为使用者期望的尺寸,并且可以显着提高隔膜的高温稳定性和机械性能,从而提高寿命和稳定性 的电化学装置。