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发明名称
透镜系统及使用透镜系统的投影机
摘要
本发明系提供一种高性能且透镜口径小的透镜系统,用以将来自DMD等之改变光的反射方向而形成画像之光阀的画像,放大投射在萤幕等上。;本发明之透镜系统系由自放大侧依序为整体构成大致无焦距光学系统的第1透镜群及整体具有正的折射力的第2透镜群所构成,视目的在前述第2透镜群之缩小侧附加由配置1片正透镜于DMD等之光阀附近所构成的第3透镜群而构成。
申请公布号
TWI364621
申请公布日期
2012.05.21
申请号
TW096145290
申请日期
2007.11.29
申请人
樫尾计算机股份有限公司 日本
发明人
川上悦郎;手岛康幸
分类号
G03B21/14;G02B13/18
主分类号
G03B21/14
代理机构
代理人
何金涂 台北市大安区敦化南路2段77号8楼;丁国隆 台北市大安区敦化南路2段77号8楼
主权项
地址
日本
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