发明名称 Projector-type image display apparatus
摘要 At least one exemplary embodiment is directed to a projector which includes several optical elements, reflective devices and beam splitters, arranged to reduce back reflection effects. At least one exemplary embodiment includes a mirror, two beam splitters, three reflection devices, and two optical elements affecting polarization of incident light upon the optical elements.
申请公布号 US7429110(B2) 申请公布日期 2008.09.30
申请号 US20050219239 申请日期 2005.09.01
申请人 CANON KABUSHIKI KAISHA 发明人 INOKO KAZUHIRO
分类号 G03B21/14;G02B27/12;G02B27/14;G02F1/1335;G03B21/26;G03B21/28;H04N5/74 主分类号 G03B21/14
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