发明名称 |
CHAT FOR TELEVISION NETWORK |
摘要 |
A chat system for a digital television network comprises a digital operator head end system (301) for broadcasting to subscriber decoders (309). The head end system comprises a chat room creation device (307) which communicates with a chat server (314) to create, cancel and/or join an event related chat room, a timer device (306) which may be programmed to activate itself at the occurrence of an event and automatically sends a request for creation of a chat room to the chat room creation device, a broadcast device (310, 311, 313) used for preparing a transmission of information to the subscriber decoders, and a notification server (308) to generate a notification message to be transmitted by the broadcast device, the notification message being related to the creation of an event related chat room. |
申请公布号 |
WO03092289(A1) |
申请公布日期 |
2003.11.06 |
申请号 |
WO2003EP50120 |
申请日期 |
2003.04.22 |
申请人 |
CANAL+ TECHNOLOGIES;BOUILLOUX-LAFONT, HELENE;AGLAN, ISSAM;LEMAITRE, HERVE;TESSIER, EMMANUEL |
发明人 |
BOUILLOUX-LAFONT, HELENE;AGLAN, ISSAM;LEMAITRE, HERVE;TESSIER, EMMANUEL |
分类号 |
G06F13/00;H04N7/173 |
主分类号 |
G06F13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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