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    • 71. 发明授权
    • System for integrating broadcasting and communication technologies while ensuring qualities of services
    • 整合广播和通信技术同时确保服务质量的系统
    • US07457541B2
    • 2008-11-25
    • US10645188
    • 2003-08-21
    • Jun-Ho KohYun-Je OhChan-Yul KimSeung-Jin Lee
    • Jun-Ho KohYun-Je OhChan-Yul KimSeung-Jin Lee
    • H04B10/00
    • H04H20/69H04J14/02H04J14/08
    • A system for integrating broadcast and communication technologies includes an optical-line terminal (OLT), a optical-network unit (ONU) and a user gateway, wherein a broadcast signal is processed on the basis of time division multiplexing (TDM) such that the quality of a broadcast service can be ensured. The ONU separates the optical signal transmitted from the OLT into the broadcast signal and the communication signal, processes upstream information transmitted from a user, and optically transmits the broadcast signal and the communication signal selected on a user-by-user basis, on the basis of a time slot. The user gateway opto-electrically converts a time slot-based optical signal transmitted from the ONU, separates the time slot-based optical signal into individual signals, distributes the individual signals on a service-by-service basis, and optically transmits the upstream information from the user to the ONU.
    • 用于集成广播和通信技术的系统包括光线路终端(OLT),光网络单元(ONU)和用户网关,其中基于时分复用(TDM)处理广播信号,使得 可以确保广播业务的质量。 ONU将从OLT发送的光信号分离成广播信号,并且通信信号处理从用户发送的上行信息,并且基于用户在用户的基础上光学地发送广播信号和通信信号 的时间段 用户网关光电转换从ONU发送的基于时隙的光信号,将基于时隙的光信号分离成各自的信号,在逐个服务的基础上分配各个信号,并光学地发送上行信息 从用户到ONU。
    • 72. 发明申请
    • Wireless audio data transmitting and receiving apparatus using human body
    • 使用人体的无线音频数据收发装置
    • US20070159371A1
    • 2007-07-12
    • US11637727
    • 2006-12-13
    • Seong-Jun SongSeung Jin LeeHoi-Jun Yoo
    • Seong-Jun SongSeung Jin LeeHoi-Jun Yoo
    • H03M1/12
    • H04B13/005
    • Wireless audio data transmitting and receiving apparatus using human body is disclosed. An audio signal outputted from a portable audio player is converted by the digital audio interface technology without a wire or an antenna, is transferred through human body using only a single signal electrode at high speed, and the audio signal transferred through the human body is received to listen through an earphone. Thus, the inconvenient wire is removed to improve the convenience to use and the antenna which has a difficulty due to the size and the installation is not required. Moreover, since additional encoding and decoding for the reduction of the transfer rate are not required so that the high speed transfer is enabled and the power consumption can be reduced, components and/or a battery can be reduced in size and can be minimized.
    • 公开了使用人体的无线音频数据发送和接收装置。 从便携式音频播放器输出的音频信号通过无线或天线的数字音频接口技术进行转换,仅通过人体仅使用单个信号电极高速传输,并且接收通过人体传送的音频信号 通过耳机听。 因此,除去不方便的线以提高使用的便利性,并且不需要由于尺寸和安装而难以进行的天线。 此外,由于不需要用于降低传送速率的附加编码和解码,使得能够实现高速传输并且可以降低功耗,可以减小部件和/或电池的尺寸并且可以最小化。
    • 73. 发明申请
    • Method for transmitting and receiving ethernet data in system based on broadcast/communication convergence
    • 基于广播/通信融合的系统中发送和接收以太网数据的方法
    • US20050169302A1
    • 2005-08-04
    • US10861058
    • 2004-06-04
    • Seung-Jin LeeJae-Hun ChoYun-Je OhJun-Ho Koh
    • Seung-Jin LeeJae-Hun ChoYun-Je OhJun-Ho Koh
    • H04N7/22H04J3/00H04L12/28H04L12/64H04N21/647H04J3/16
    • H04Q11/0067H04L12/64H04Q2011/0064
    • A broadcast/communication convergence system and a method for transmitting and receiving Ethernet data using the same is disclosed. The system is equipped with an optical network unit performing a time division multiplexing operation on the Ethernet data switched by a network switch and a plurality of broadcast data units, transmitting a resultant signal of the operation to a corresponding subscriber set-top box, and providing data from the subscriber set-top box to the network switch. In one aspect of the invention, the optical network unit produces a length of an Ethernet data frame provided from the network switch. An encapsulation operation is carried out by generating data length information and inserting the generated length information into an Ethernet data frame. Encapsulated Ethernet data is transmitted to the subscriber set-top box. The subscriber set-top box carries out a time division demultiplexing operation for a signal transmitted from the optical network unit, and separates the signal into the Ethernet data and broadcast data. When a framing bit is detected from the frame of the Ethernet data based on a result of the separation, the length information is detected from the Ethernet data frame. The Ethernet data frame is counted on the basis of the detected length information and recognizing the Ethernet data. A preamble bit and a start-of-field delimiter (SFD) are inserted into the recognized Ethernet data and the original Ethernet data is recovered.
    • 公开了广播/通信收敛系统以及使用该广播/通信收敛系统发送和接收以太网数据的方法。 该系统配备有光网络单元,对由网络交换机和多个广播数据单元交换的以太网数据进行时分多路复用操作,将该操作的合成信号发送到相应的用户机顶盒,并提供 从用户机顶盒到网络交换机的数据。 在本发明的一个方面,光网络单元产生从网络交换机提供的以太网数据帧的长度。 通过产生数据长度信息并将生成的长度信息插入到以太网数据帧中来执行封装操作。 封装的以太网数据被传送到用户机顶盒。 用户机顶盒对从光网络单元发送的信号进行时分解复用操作,并将信号分离成以太网数据和广播数据。 当基于分离结果从以太网数据的帧检测到成帧位时,从以太网数据帧检测长度信息。 基于检测到的长度信息对以太网数据帧进行计数,并识别以太网数据。 将前导码位和起始字段分隔符(SFD)插入到识别的以太网数据中,并恢复原始以太网数据。