发明名称 |
VIDEO TRANSMISSION SYSTEMS |
摘要 |
An HDTV video signal with 1249 lines per picture is transmitted over a transmission channel designed for 625 lines per picture by transmitting alternate samples of two lines of the 1249 line signal on a single line of the 625 line signal. An HDTV receiver can interpolate to give a 1249 line picture but a 625 line receiver will still receive a signal that is adequately compatible to give a display. |
申请公布号 |
WO8801462(A1) |
申请公布日期 |
1988.02.25 |
申请号 |
WO1986GB00797 |
申请日期 |
1986.12.23 |
申请人 |
BRITISH BROADCASTING CORPORATION |
发明人 |
STOREY, RICHARD |
分类号 |
H04N11/00;H04N7/00;H04N7/015;H04N11/24;(IPC1-7):H04N7/00 |
主分类号 |
H04N11/00 |
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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