发明名称 |
Set-top box system and method for viewing digital broadcast |
摘要 |
A set-top box system and method for viewing digital broadcasts. A set-top box system for viewing digital broadcasts includes: a plurality of televisions (TVs); and one set-top box for receiving digital broadcasts including multi-programs, and transmitting single programs selected by program selection requests of TV viewers to the plurality of TVs, the set-top box including: a memory having a program guide database of digital broadcasts; a tuner and demodulator for selecting and demodulating digital broadcasts of a main channel preset in the memory in the received digital broadcasts, and generating the demodulated digital broadcasts as a multi-program transport stream; a controller for controlling each of the sub-channels corresponding to each program selection request of the TV viewers by adopting packetized ID (Identification) information of the multi-program transport stream and the program guide database; a plurality of transport demultiplexers for selecting sub-channels responsive to each program selection request of the TV viewers upon receiving a control signal of the controller, and respectively providing single programs on the selected sub-channels; a plurality of single program decoders for decoding the single programs, respectively; and a transmitter for transmitting the decoded single programs.
|
申请公布号 |
US2003192061(A1) |
申请公布日期 |
2003.10.09 |
申请号 |
US20030384716 |
申请日期 |
2003.03.11 |
申请人 |
HWANGBO SEUNG;KIM NAK-KOO;OH SE-HYUK |
发明人 |
HWANGBO SEUNG;KIM NAK-KOO;OH SE-HYUK |
分类号 |
H04N5/38;H04N5/40;H04N5/44;H04N7/10;(IPC1-7):H04N7/20;H04N7/173;H04N7/16;H04N7/12;H04N11/02;H04N11/04 |
主分类号 |
H04N5/38 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|