发明名称 |
Data broadcasting system, and data broadcasting contents transmitting system, receiver, and format converting method used in same |
摘要 |
A data broadcasting system is provided which is capable of achieving display intended and desired by a provider of data broadcasting contents. The data broadcasting system includes a transmitting system and a receiver. The transmitting system includes an HD (High Definition)/SD (Standard Definition) converting section to convert HDTV (High Definition Television) data contents into data contents having a resolution applicable to an SDTV (Standard Definition Television) monitor to obtain SDTV data contents and a multiplexing section to multiplex the SDTV data contents, HDTV video contents, and HDTV data contents. The receiver has a multiplexing separation section to separate the data broadcasting contents received from the transmitting system into the SDTV data contents, the HDTV video contents, and the HDTV data contents, a down-scaling section to convert a resolution of the HDTV video contents into a resolution applicable to the SDTV monitor to obtain SDTV video contents, and a video/data synthesizing section to synthesize the SDTV video contents and the SDTV data contents to obtain display data to be used in the SDTV monitor.
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申请公布号 |
US2005212964(A1) |
申请公布日期 |
2005.09.29 |
申请号 |
US20050087507 |
申请日期 |
2005.03.24 |
申请人 |
NEC CORPORATION |
发明人 |
HIGASHI MASAHIRO;HASEGAWA SATOSHI;TAKAI KAZUHITO |
分类号 |
H04N5/44;H04N5/445;H04N5/46;H04N7/025;H04N7/03;H04N7/035;(IPC1-7):H04N5/46 |
主分类号 |
H04N5/44 |
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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