发明名称 |
Image correction apparatus. |
摘要 |
<p>An image correction apparatus in which adjustment of a projector unit (47) for widening projection by means of a plurality of projector tubes (51, 52, 53) can be eliminated by setting specifications of the projecting optical system and by automatically calculating converging angles at which images of light of respective colors are formed on a screen (54), so as to automatically compute various correction data for geometical distortion, luminance reduction and focus error. <IMAGE></p> |
申请公布号 |
EP0460947(A2) |
申请公布日期 |
1991.12.11 |
申请号 |
EP19910305105 |
申请日期 |
1991.06.06 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD |
发明人 |
TSUJIHARA, SUSUMU;SAKANISHI, YASUAKI |
分类号 |
H04N9/31;H04N9/28;H04N17/00 |
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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