发明名称 |
Multiple television standards input selector and convertor. |
摘要 |
<p>A multiple television standards input selector and convertor selects a video signal from among a plurality of television standard format input sources including encoded video, analog component video and digital video. The selected video signal is converted to a predetermined standard format video signal for further processing by a digital video effects device. The selection of the video signal occurs within a vertical interval period so that no visible effect is detectable on a display when switching between video sources.</p> |
申请公布号 |
EP0263393(A2) |
申请公布日期 |
1988.04.13 |
申请号 |
EP19870114143 |
申请日期 |
1987.09.28 |
申请人 |
THE GRASS VALLEY GROUP, INC. |
发明人 |
BANNISTER, RICHARD S.;BLECKSMITH, JAMES E. |
分类号 |
H04N5/222;H04N5/268;H04N7/01;H04N9/00 |
主分类号 |
H04N5/222 |
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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