发明名称 |
Video image projecting system with separate projecting devices for projecting a background component and sharp contours of an image |
摘要 |
The video image projection system of the invention includes two projecting devices formed by cathode ray tubes for projecting a green color onto a projection surface and two other projecting devices for projecting red and blue colors. The two green projecting devices project superimposed images. A circuit is provided for processing a video signal to supply a background signal without fine details to one of the green projection devices and a sharp contour signal to the other green projection device.
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申请公布号 |
US4621281(A) |
申请公布日期 |
1986.11.04 |
申请号 |
US19840603245 |
申请日期 |
1984.04.23 |
申请人 |
SOCIETE D'ELECTRONIQUE DE LA REGION PAYS DE LOIRE SEREL |
发明人 |
COLINEAU, JOSEPH |
分类号 |
H04N9/31;(IPC1-7):H04N9/31;H04N5/74;H04N9/16 |
主分类号 |
H04N9/31 |
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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