Invention Grant
US07646727B2 Retransmission method for digital broadcast and its broadcast receiving device 有权
数字广播及其广播接收设备的重传方法

Retransmission method for digital broadcast and its broadcast receiving device
Abstract:
An IP broadcast transmitting device comprises means for acquiring and collecting channel tuning information and program-related information from broadcast signals of each broadcasting station from which the broadcast signals are distributed, means for updating and managing the information, means for distributing the information independently from IP multicast-distributions of the broadcast signals, and means for distributing a service area tuning list with IP multicast-distribution information of the broadcast signals and distribution positions of the channel tuning information and the program-related information of the broadcast signals described therein.
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