发明名称 |
Picture display device and video signal processing circuit. |
摘要 |
<p>Picture display device for displaying pictures having a first aspect ratio and pictures having a second aspect ratio on a display screen having the first aspect ratio, comprising means for applying a signal to pixels which are not associated with the second aspect ratio picture when a second aspect ratio picture is being displayed. The picture display device further comprises adjustable cover means for covering said pixels when the picture having the second aspect ratio is being displayed and for uncovering said pixels when a picture having the first aspect ratio is being displayed.</p> |
申请公布号 |
EP0414311(A1) |
申请公布日期 |
1991.02.27 |
申请号 |
EP19900202224 |
申请日期 |
1990.08.20 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
VAN DER VOORT, VICTOR HENRICUS JULIANUS;BOEKHORST, FREDERICK MARIA |
分类号 |
H04N7/015;H04N5/66;H04N5/44;H04N5/74 |
主分类号 |
H04N7/015 |
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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