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1. 发明公开

KR1020100100522A 다중채널 ＩＰＴＶ 셋톱박스 및 다중채널 서비스를 위한 ＩＰＴＶ 방송 시스템 无效
标题翻译：用于多通道服务的多通道IPTV集顶盒和IPTV广播系统
公开(公告)号：KR1020100100522A
公开(公告)日：2010-09-15
申请号：KR1020090019469
申请日：2009-03-06
申请人： 주식회사 셀런 , (주)로보센스 , (주)도울정보기술 , 목포대학교산학협력단
发明人： 김영민 , 천승환 , 유영재 , 유진호 , 나충남 , 최문호 , 진수형
IPC分类号： H04N5/44 , H04N7/173
CPC分类号： H04N21/43615 , H04N5/4401 , H04N21/42221 , H04N21/4382 , H04N21/44227
摘要： PURPOSE: A multi-channel IPTV set-top-box and an IPTV broadcasting system for a multi-channel service are provided to enable a user to watch the broadcasts of identical or different IPTV channels in plural rooms by installing one IPTV set-top box for a multi-channel service. CONSTITUTION: An Internet access unit(102) accesses a broadcasting server through the Internet, and a main processor(104) receives a stream of a selected channel from the Internet access unit. A main channel decoder(132) decodes the stream of the main channel, and at least one sub-channel decoder(134,136) decodes the stream of the sub-channel. At least one modulator(138,140,142) modulates the video data/audio data of the sub-channel into a broadcasting signal.
摘要翻译：目的：提供多通道IPTV机顶盒和多频道业务的IPTV广播系统，使用户能够通过安装一个IPTV机顶盒来观看多个房间中相同或不同IPTV频道的广播用于多渠道服务。构成：互联网访问单元（102）通过因特网访问广播服务器，并且主处理器（104）从因特网接入单元接收所选频道的流。主信道解码器（132）解码主信道的流，并且至少一个子信道解码器（134,136）对子信道的流进行解码。至少一个调制器（138,140,142）将子频道的视频数据/音频数据调制成广播信号。

2. 发明授权

KR100851634B1 라이브 멀티미디어 스트림을 풀방식으로 스트리밍하는 방법및 시스템 失效
标题翻译：系统和方法通过抽取方法来存储多媒体数据
公开(公告)号：KR100851634B1
公开(公告)日：2008-08-13
申请号：KR1020080011433
申请日：2008-02-05
申请人： 주식회사 셀런 , 주식회사 키오스크테크놀로지
发明人： 김영민
IPC分类号： H04N21/2381 , H04N21/2368 , H04N21/2387 , H04H60/82
CPC分类号： H04N21/2381 , H04H60/82 , H04N21/2368 , H04N21/2387
摘要： A method for streaming live multimedia data in a pulling way and a system therefor are provided to transmit data of a live multimedia stream previously in the pulling way as a viewer's intention by installing a buffering server of proper size, thereby minimizing the viewer's waiting time. A live encoder(121) generates a live multimedia stream by encoding live data. A streaming server(122) transmits the live multimedia stream through a network(102). A storage(124) stores the live multimedia stream. A buffering server(123) transmits the live multimedia stream stored in the storage to clients(110) from an I frame, instead of a live multimedia stream normally transmitted from the streaming server, with regards to a requested broadcasting channel.
摘要翻译：提供一种用于以牵引方式流式传输现场多媒体数据的方法及其系统，用于通过安装适当大小的缓冲服务器来以倾斜的方式传输现场多媒体流的数据，作为观众的意图，从而最小化观众的等待时间。现场编码器（121）通过编码实时数据来生成直播多媒体流。流服务器（122）通过网络（102）发送直播多媒体流。存储（124）存储直播多媒体流。缓冲服务器（123）相对于所请求的广播信道而不是从流式传输服务器发送的直播多媒体流，而是将存储在存储器中的实况多媒体流从I帧传送到客户端（110）。

3. 发明授权

KR100802331B1 사용자 단말기를 이용한 컨텐츠 전송 시스템 및 방법 有权
标题翻译：内容交付系统和使用用户终端的方法
公开(公告)号：KR100802331B1
公开(公告)日：2008-02-13
申请号：KR1020070092410
申请日：2007-09-12
申请人： 주식회사 셀런 , 삼보모터스주식회사
发明人： 김영민 , 김세훈 , 고재천
IPC分类号： G06Q50/10 , H04N21/60
CPC分类号： G06Q50/10 , H04N21/60
摘要： A system and a method for delivering contents by using user terminals are provided to reduce a cost burden of a CDN(Contents Delivery Network) provider by transmitting the contents to each client with the idle user terminals and network resources without passing an ISP(Internet Service Provider). A CDN provider system(100) stores a terminal information table storing user terminal information including an ID of the contents stored in each user terminal(110), and stores/updates ranking information of each user terminal according to a transfer rate, an available contents list, and a list of the contents previously downloaded to each user terminal. Each user terminal receives the contents from the CDN provider system, stores the received contents, and transmits the contents requested from each client(120) by a block unit. The client receives contents information including the ID of the desired contents to be downloaded from the CDN provider system and the ranking information of the desired contents, maps each block forming the desired contents on each user terminal included in the ranking information based on the ranking information, and downloads the contents by request each mapped user terminal to transfer each block of the desired contents.
摘要翻译：提供一种通过使用用户终端传送内容的系统和方法，用于通过向空闲用户终端和网络资源向每个客户端发送内容而不经过ISP（因特网服务）来减少CDN（内容传送网络）提供商的成本负担提供商）。 CDN提供者系统（100）存储存储包含存储在每个用户终端（110）中的内容的ID的用户终端信息的终端信息表，并且根据传送速率存储/更新每个用户终端的排名信息，可用内容列表以及之前下载到每个用户终端的内容的列表。每个用户终端从CDN提供商系统接收内容，存储所接收的内容，并以块为单位发送从每个客户端（120）请求的内容。客户端从CDN提供商系统接收包含要下载的所需内容的ID的内容信息和所需内容的排名信息，基于排名信息将包含在排名信息中的每个用户终端上形成期望内容的每个块映射，并通过请求下载内容，每个映射的用户终端传送所需内容的每个块。

4. 发明授权

KR100793862B1 트리구조의 서버 토폴로지상에서 컨텐츠 전송 방법 有权
标题翻译：在TREE结构服务器拓扑中传输内容的方法
公开(公告)号：KR100793862B1
公开(公告)日：2008-01-10
申请号：KR1020070058577
申请日：2007-06-14
申请人： 주식회사 셀런 , 삼보모터스주식회사
发明人： 김영민
IPC分类号： G06F15/16 , G06F17/00
摘要： A method for transmitting contents in a tree structured server topology is provided to transmit a transfer block, which is loaded in an edge server to be transferred to a first STB(Set-Top Box), to a second STB, load the transfer block previously transferred to the first STB from a central/local server, and transmit the loaded transfer block to the second STB, thereby reducing a transfer time/delay and using network resources efficiently. A first STB requests first contents to the connected edge server. The edge server transmits the first contents received from the central server through the local server to the first STB. The second STB requests the second contents to the connected STB. The edge server connected to the second STB determines whether the contents transmitted to the first STB is the contents requested from the second STB. The edge server connecting to the first and second STB stores a second transfer block transmitted to the first STB when the first contents are identical with the second contents. The edge server receives the first transfer block previously transmitted to the first STB from the central server. The edge server transmits the stored first and second transfer block to the second STB.
摘要翻译：提供了一种用于在树状结构化服务器拓扑中发送内容的方法，用于将加载在要传送到第一STB（机顶盒）的边缘服务器的传输块传送到第二STB，以前加载传输块从中央/本地服务器传送到第一STB，并将加载的传送块传送到第二STB，从而有效地减少传输时间/延迟并使用网络资源。第一个STB向连接的边缘服务器请求第一个内容。边缘服务器通过本地服务器将从中央服务器接收的第一内容发送到第一STB。第二个STB向连接的STB请求第二个内容。连接到第二STB的边缘服务器确定发送到第一STB的内容是否是从第二STB请求的内容。当第一内容与第二内容相同时，连接到第一和第二STB的边缘服务器存储发送到第一STB的第二传输块。边缘服务器从中央服务器接收先前发送到第一STB的第一传输块。边缘服务器将存储的第一和第二传送块发送到第二STB。

5. 发明公开

KR1020020024701A 인터넷 셋톱박스를 이용한 풀스크린 주문형 비디오 구현 방법 有权
标题翻译：使用互联网设置顶盒实现全屏幕视频的系统和方法
公开(公告)号：KR1020020024701A
公开(公告)日：2002-04-01
申请号：KR1020000056478
申请日：2000-09-26
申请人： 주식회사 셀런
发明人： 김영민 , 곽재영
IPC分类号： H04N21/262 , H04N21/25
CPC分类号： H04N21/4325 , H04N21/26241 , H04N21/4334 , H04N21/437
摘要： PURPOSE: A system and a method for realizing full screen VOD using Internet set top box provide VOD services of high quality of DVD level on a full screen, and to minimize waiting time of consumers by successive streaming at a predetermined time interval. CONSTITUTION: A method for realizing full screen VOD using Internet set top box includes the steps of implementing a backward function allowing a user to reproduce former data whenever the user demands by always storing data of about 5 minutes, showing moving picture while storing existing streaming through background operation when the user sees the moving picture using the backward function, and streaming and providing a piece of moving picture at 15 minute intervals by assigning 6 channels to a piece of moving picture.
摘要翻译：目的：使用互联网机顶盒实现全屏VOD的系统和方法在全屏幕上提供高质量DVD级别的VOD服务，并且以预定时间间隔连续流式传输来最小化消费者的等待时间。构成：使用互联网机顶盒实现全屏VOD的方法包括实现向后功能的步骤，允许用户在用户通过总是存储大约5分钟的数据的情况下再现以前的数据，显示运动图像，同时存储现有的流式传输当用户使用向后功能看到运动图像时，进行背景操作，并且通过将6个通道分配给一张运动图像，以15分钟间隔流式传输和提供一幅运动图像。

6. 发明授权

KR100871178B1 서버의 동적채널 할당방식과 셋톱박스의 버퍼링을 이용한 주문형비디오 서비스 구현 방법 失效
标题翻译：使用服务器上的动态信道分配方法实现VOD服务，并在机顶盒上进行Buftering及其方法
公开(公告)号：KR100871178B1
公开(公告)日：2008-12-01
申请号：KR1020000056477
申请日：2000-09-26
申请人： 주식회사 셀런
发明人： 김영민 , 곽재영
IPC分类号： H04N21/238 , H04N21/433 , H04N21/2343
摘要： VOD 서비스를 행할때 서비스 주체인 서버와 사용자인 STB 사이의 원할한 데이터 흐름을 위하여, 서버의 부하를 감소시키면서 사용자측 STB의 저장장치를 이용하여 버퍼기능을 보완하고, 그 버퍼에 저장된 스트림을 조작하여 사용자측의 요구를 바로바로 처리할 수 있게 한 것이다. 이렇게 함으로서 완전한 이상적 VOD(IVOD)를 서버상에서만 구현하지 않고 사용자측에서 그 기능의 일부를 구현함으로써 이상적 VOD와 동일한 수준의 시스템을 구현할 수 있게 하였다.
VOD, STB, 동적채널, 버퍼링 (VOD : Video On Demand (주문형 비디오), STB : Set Top Box, 버퍼링 : 서버와 STB간의 컨텐츠 전송의 시간 차이를 해소하기 위해 STB의 버퍼를 이용하여 데이터를 임시 저장하는 기법.)

7. 发明授权

KR100780396B1 ＩＰＴＶ 방송 서비스의 트래픽 제어 방법 有权
标题翻译： IPTV广播业务的交通控制方法
公开(公告)号：KR100780396B1
公开(公告)日：2007-11-28
申请号：KR1020070059293
申请日：2007-06-18
申请人： 주식회사 셀런 , 삼보모터스주식회사
发明人： 김영민 , 이창호
IPC分类号： H04N21/647 , H04N21/238 , H04N21/258
CPC分类号： H04N21/6125 , H04N21/23406 , H04N21/2402 , H04N21/40 , H04N21/44004
摘要： A traffic control method for IPTV(Internet Protocol TV) broadcasting service is provided to adjust transmission bandwidth according to the amount of buffer of a set top box and acquire enough buffer previously in the set top box, thereby improving the efficiency of data transmission and stably playing contents without disconnection or delay. A traffic control method for IPTV(Internet Protocol TV) broadcasting service comprises the following steps of: setting the amount of target buffers of a set top box in a broadcasting server(S11); transmitting data to the set top box in a maximum bandwidth(S13); confirming the amount of current buffers of the set top box in the broadcasting server(S14); and adjusting transmission bandwidth according to play speed of the set top box and reducing the amount of transmitted data when the amount of current buffers of the set top box is reached in the amount of target buffers of the set top box(S15).
摘要翻译：提供IPTV（因特网协议电视）广播业务的流量控制方法，根据机顶盒缓冲器的数量调整传输带宽，并在机顶盒中预先获取足够的缓冲区，从而提高数据传输的效率，稳定播放内容而不断开或延迟。一种用于IPTV（因特网协议电视）广播业务的业务控制方法，包括以下步骤：在广播服务器中设置机顶盒的目标缓冲器数量（S11）; 以最大带宽向机顶盒发送数据（S13）; 确认广播服务器中机顶盒的当前缓冲器的数量（S14）; 并且根据机顶盒的目标缓冲器的数量达到机顶盒的当前缓冲器量时，根据机顶盒的播放速度调整传输带宽，并减少发送数据量（S15）。

8. 发明授权

KR100823522B1 실시간 스트리밍 시스템에서 스토리지와 서버 사이의병목을 줄이기 위한 캐싱 방법 有权
标题翻译：用于减少实时流水系统中存储和服务器之间的瓶颈的缓存方法
公开(公告)号：KR100823522B1
公开(公告)日：2008-04-21
申请号：KR1020070059295
申请日：2007-06-18
申请人： 주식회사 셀런 , 삼보모터스주식회사
发明人： 김영민 , 이창호
IPC分类号： G06F13/00
摘要： A caching method for reducing bottle neck between a storage and a server in a real-time streaming system is provided to transmit a transmission block of predetermined contents directly, which is loaded in a memory of a server, to a set top box when the set top box requests the contents to be transmitted thereto through the server to allow the set top box to play the contents immediately so as to reduce a delay time. A server receives a contents transmission request from a set top box(S1). The server requests a scheduler which manages a storage to provide a transmission block of predetermined contents. The scheduler determines whether the contents are loaded in a memory of the server and transmitted. When the contents are new contents, the transmission block is loaded from the storage to the memory of the server and transmitted to the set top box through the server(S4,S5). When the contents are being loaded in the memory, the transmission block loaded in the memory of the server is directly transmitted to the set top box through the server(S6).
摘要翻译：提供了一种用于在实时流系统中减少存储器与服务器之间瓶颈的缓存方法，用于将设置在服务器的存储器中的预定内容的传输块直接发送到机顶盒机顶盒请求通过服务器传送内容，以便机顶盒立即播放内容，以减少延迟时间。服务器从机顶盒接收内容传输请求（S1）。服务器请求管理存储器的调度器以提供预定内容的传输块。调度器确定内容是否被加载到服务器的存储器中并被发送。当内容是新内容时，传输块从存储器加载到服务器的存储器，并通过服务器发送到机顶盒（S4，S5）。当内容被加载到存储器中时，装载在服务器的存储器中的传输块通过服务器直接发送到机顶盒（S6）。

9. 发明授权

KR100819922B1 인터넷 셋톱박스를 이용한 풀스크린 주문형 비디오 구현 방법 有权
标题翻译：使用互联网设置顶盒制作全屏幕视频的方法
公开(公告)号：KR100819922B1
公开(公告)日：2008-04-07
申请号：KR1020000056478
申请日：2000-09-26
申请人： 주식회사 셀런
发明人： 김영민 , 곽재영
IPC分类号： H04N21/262 , H04N21/25
摘要： 본 특허는 인터넷 셋톱박스(SET TOP BOX : 이하 STB라 칭함)를 이용하여 Full Screen 으로 VOD서비스를 원활하게 하기 위하여 STB의 버퍼링(Buffering) 방법과 최적의 서버운용방법을 통하여 네트워크(Network)의 트래픽(Traffic)을 줄이는 방법이다.
VOD,SET TOP BOX, 버퍼링

10. 发明授权

KR100793114B1 차량속도에 따라 안전화면으로 전환하는 방법 및 이를이용한 차량용 다기능 멀티미디어 플레이어 有权
标题翻译：使用该方法改变车辆速度和多功能多媒体播放器的安全显示模式
公开(公告)号：KR100793114B1
公开(公告)日：2008-01-21
申请号：KR1020070054238
申请日：2007-06-04
申请人： 주식회사 셀런 , 삼보모터스주식회사
发明人： 김영민 , 손경오
IPC分类号： H04N21/414 , H04N7/00
CPC分类号： H04N21/41422 , G01P11/02 , G01S19/13 , H04H2201/11 , H04N5/4403 , H04N21/442 , H04N2005/4426
摘要： A method for displaying a safe screen according to vehicle speed and a vehicle multifunctional multimedia player using the same are provided to previously prevent a traffic accident by compulsorily transferring to safe screen mode when the speed of a vehicle exceeds a reference speed, automatically intercepting a DMB screen, and displaying a safe screen. A vehicle multifunctional multimedia player(100) comprises a DMB module(110), a GPS module(120), an LCD module(130), an input unit, a storage(160), an audio part(170), a communication port(180) and a multimedia processor(102). The DMB module(110) receives a DMB program. The GPS module(120) receives a GPS signal to produce the present speed and location information of a vehicle. The LCD module(130) displays a DMB screen to output the received DMB program and a navigation screen to output navigation information. The input unit processes user input. The storage(160) stores a navigation database to produce navigation information on the basis of the present speed and location information of the vehicle. The audio part(170) outputs audio signals to an embedded speaker. The communication port(180), connected with an external host, upgrades software and the navigation database, and downloads data. If a navigation function is selected, the multimedia processor(102) produces the present speed and location information of the vehicle using the received GPS signal, creates navigation information through the navigation database, and displays the navigation screen through the LCD module(130).
摘要翻译：提供了一种根据车辆速度显示安全屏幕的方法和使用其的车辆多功能多媒体播放器，以便当车辆的速度超过参考速度时，通过强制转移到安全屏幕模式来防止交通事故，自动拦截DMB 屏幕，并显示安全屏幕。一种车辆多功能多媒体播放器（100），包括DMB模块（110），GPS模块（120），LCD模块（130），输入单元，存储（160），音频部分（170），通信端口（180）和多媒体处理器（102）。 DMB模块（110）接收DMB程序。 GPS模块（120）接收GPS信号以产生车辆的当前速度和位置信息。 LCD模块（130）显示DMB屏幕以输出接收的DMB程序和导航屏幕以输出导航信息。输入单元处理用户输入。存储器（160）存储导航数据库，以根据车辆的当前速度和位置信息来产生导航信息。音频部分（170）将音频信号输出到嵌入式扬声器。与外部主机连接的通信端口（180）升级软件和导航数据库，并下载数据。如果选择了导航功能，则多媒体处理器（102）使用接收的GPS信号产生车辆的当前速度和位置信息，通过导航数据库产生导航信息，并通过LCD模块（130）显示导航画面。

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