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发明名称
投影系统及其透镜组合
摘要
本发明提供一种投影系统,其中包含两组透镜。第一组透镜具有第一焦距,并系用以将一入射光线聚焦形成一第一影像。第二组透镜具有第二焦距,并系用以将该第一影像投射为一第二影像。这两组透镜之间相隔一镜片顶点距离,该距离与该第一组透镜及该第二组透镜间的光路相关。该第二焦距小于等于该镜片顶点距离,并且该镜片顶点距离与该第二焦距的差异小于等于该第一焦距的二分之一。
申请公布号
TW200938938
申请公布日期
2009.09.16
申请号
TW097108460
申请日期
2008.03.11
申请人
佳世达科技股份有限公司
发明人
林明坤
分类号
G03B21/14(2006.01);G02B15/20(2006.01)
主分类号
G03B21/14(2006.01)
代理机构
代理人
陶霖;谢志敏
主权项
地址
桃园县龟山乡山莺路157号
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