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发明名称
投影机装置、倾斜角度取得方法及投影像补正方法
摘要
在本发明中,测距感测器21计测至萤幕31上之多个点之距离。角度取得部23根据测距感测器所计测到之结果之多个测距资料,求得萤幕平面之式,算出萤幕31对投影光之光轴之倾斜角度θV、θH。角度取得部23将所算出之倾斜角度θV、θH供给到梯形补正部12。梯形补正部12根据被供给之倾斜角度θV、θH进行梯形补正部。
申请公布号
TW200517761
申请公布日期
2005.06.01
申请号
TW093120932
申请日期
2004.07.14
申请人
尾计算机股份有限公司
发明人
井上秀昭
分类号
G03B21/00
主分类号
G03B21/00
代理机构
代理人
何金涂;何秋远
主权项
地址
日本
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