发明名称 APPARATUS AND METHOD FOR DATA FILE UPDATE IN DIGITAL BROADCASTING SYSTEM
摘要 An apparatus and a method for updating data files in a digital broadcasting system are provided to detect only renewed data file through flag files and download the detected flag files when a set-top box performs update of data files from a server, thereby reducing traffic of a network and a download load of the server. An apparatus for updating data files in a digital broadcasting system comprises the following parts: a server(200) for generating a flag file including update information according to kinds of data when the data file is generated; and a set-top box(100) for downloading a new flag file from the server according to a pre-selected period, comparing update information of the new flag file and update information of pre-stored flag file and downloading data files in which update information is changed from the server.
申请公布号 KR101176629(B1) 申请公布日期 2012.08.23
申请号 KR20060019007 申请日期 2006.02.27
申请人 发明人
分类号 H04N21/43 主分类号 H04N21/43
代理机构 代理人
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