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    • 51. 发明公开
    • 방송 통신 융합 시스템에서 MAC 스위치를 이용한 방송통신 스위칭 장치 및 방법
    • 使用广播通信集成系统中的MAC交换机的广播通信交换设备及其一种方法,特别是用于通过使用一个传输网络传送广播和通信信道
    • KR1020040099851A
    • 2004-12-02
    • KR1020030031979
    • 2003-05-20
    • 삼성전자주식회사
    • 이승진김찬열오윤제
    • H04L12/18
    • H04J14/0252H04H20/69H04L12/2801H04Q11/0067
    • PURPOSE: A broadcast communication switching apparatus and method using a MAC switch in a broadcast communication composite system are provided to remove a bottleneck phenomenon caused by a rate difference of a downlink Ethernet. CONSTITUTION: A controller(11) receives zapping information from subscribers and transfers a control signal including the zapping information. An Ethernet packet processor(21) receives a plurality of broadcast streams, Ethernet-packetizes and transfers the plurality of broadcast streams. A MAC switch(22) switches the plurality of broadcast streams, Ethernet-packetized by the Ethernet packet processor(21), and Ethernet packet data, transferred through an Ethernet line, by subscribers according to MAC information.
    • 目的:提供一种在广播通信复合系统中使用MAC交换机的广播通信交换装置和方法,以消除由下行链路以太网的速率差造成的瓶颈现象。 构成:控制器(11)从订户接收切换信息并传送包括切换信息的控制信号。 以太网分组处理器(21)接收多个广播流,以太网打包并传送多个广播流。 MAC交换机(22)根据MAC信息切换由以太网分组处理器(21)以太网分组化的多个广播流,以及通过以太网线传输的以太网分组数据。
    • 52. 发明公开
    • 정보 송수신방법 및 장치
    • 信息传输/接收方法及其设备
    • KR1020010090490A
    • 2001-10-18
    • KR1020010013777
    • 2001-03-16
    • 가부시끼가이샤 히다치 세이사꾸쇼
    • 아사미가즈오
    • H04N7/12
    • H04H20/69H04H20/16H04H20/57H04H20/59H04H20/74H04H20/76H04H60/06H04H60/25H04J2203/006H04J2203/0066H04Q11/0478
    • PURPOSE: To provide an information transmission system and an information output system that can effectively utilize a limited broadcast.communication channel. CONSTITUTION: Information 1 transmitted from an information transmission channel such as an artificial satellite or a radio tower through a wireless channel or a wired channel such as an electric wire and an optical fiber is categorized into 4-stage, the information is broadcast according to information transmission timing depending on each category, and an information receiver side conducts capturing.edit processing.output processing corresponding to the categories. The information of the category 4 (step 2) is transmitted immediately on the production of the information with the highest priority (step 7), the information of the category 3 (step 3) is transmitted at an interval of e.g. 5 minutes (step 8), the information of the category 2 (step 4) is transmitted for a time band when the transmission channel is comparatively idle (step 9), and the information of the category 1 (step 5) is transmitted for a time band when the transmission channel is most idle (step 10).
    • 目的:提供可有效利用有限广播通信频道的信息传输系统和信息输出系统。 构成:从诸如人造卫星或无线电塔的信息传输信道通过无线信道或诸如电线和光纤的有线信道发送的信息1被分类为4级,根据信息广播信息 发送定时取决于每个类别,并且信息接收器侧执行与类别相对应的捕获处理输出处理。 在生成具有最高优先级的信息(步骤7)时立即发送类别4(步骤2)的信息,类别3(步骤3)的信息以例如间隔的间隔发送。 5分钟(步骤8),当传输信道相对空闲时,步骤4(步骤4)的信息被发送到时段(步骤9),并且为了发送类别1(步骤5)的信息被发送 当传输信道最为空闲时(步骤10)。
    • 54. 发明公开
    • 광-케이블 TV헤드-엔드 감시환경블럭의 에러 복구장치 및 그 방법
    • 光缆电视头端监控环境块的错误恢复装置和方法
    • KR1019970004829A
    • 1997-01-29
    • KR1019950018266
    • 1995-06-29
    • 에스케이하이닉스 주식회사
    • 박재형
    • H04N7/10
    • H04H20/69H04B10/0799H04N17/00Y02D70/46
    • 본발명은멀티-포인트토폴로지를가지는네트워크상에서헤드一엔드를감시하는마스터제어보드상에에러가발생하여감시기능을실행할수 없을시, 슬레이브제어보드를마스터제어보드로절체하여, 상기슬레이제어보드에서마스터제어보드의기능을대신수행토록하는광-케이블 TV헤드-엔드감시환경블럭이에러복구장치및 그방법에관한것으로, 광-케이블 TV의구성요소인헤드-엔드부분을자체감시하는감시환경블럭에에러가발생하여, 에러복구시소요되는시간동안통신이두절되는현상을방지하기위해, 마스터제어보드의기능을대신수행할수 있도록각 마더보드를설치하고, 만약마스터제어보드에에러가발생하면슬레이브제어보드에서그 기능을대신수행토록교체하므로써, 에러가발생하였더라도정상적인기능을수행할수 있도록한다.
    • 本发明是一种多城市不能够运行在主控制基板上的错误的监视功能,用于监视所述头一端发生通过网络与一个点的拓扑结构,通过从控制基板切换到主控板,在从控制基板 本发明涉及一种用于执行主控制板的功能的光缆电视前端监视环境模块来代替主控制板,其涉及一种错误恢复装置及其方法, 为了防止由于错误导致的错误恢复所需的时间内的通信丢失,安装每个主板以便可以执行主控制板的功能,如果主控制板发生错误, 通过更换控制板上的功能,即使发生错误,也可以执行正常功能。