Patent ID: 7693846
Filing Date: 2010-04-06
Classification: H04N

Abstract:
1. A data management system for managing material data of programs, the data management system comprising: schedule transmitting means for transmitting a TV program schedule; at least a first server which sequentially stores material data including generated video/audio signals; at least a second server which stores material data to be transmitted; an electronic device having: a database subsystem for managing a database table for the material data and the TV program schedule with a network-enabled database engine, wherein the material data stored in the first server and the second server is displayed on a screen to a plurality of user terminals in either a synchronous folder or an asynchronous folder, wherein said first server and said second server have a tree structure with at least folders for synchronous transfer and asynchronous transfer, wherein the tree structure is configured so that asynchronous folders contain a file organizing material data that is recorded only on storage sources that link to an island that is positioned immediately above the asynchronous folders, wherein the tree structure is configured so that synchronous folders contain a file organizing material data that is recorded on all storage sources that link to islands that are attached to the synchronous folders, wherein department folders that have access restriction are created immediately under each of asynchronous folder and synchronous folder, and wherein a department folder belonging to a first department is only displayed in a GUI of a terminal device associated with the first department.