发明名称 PROJECTION OPTICAL DEVICE AND IMAGE PROJECTION APPARATUS
摘要 A projection optical device to project an image on a projection plane, includes a reflection mirror, a plurality of projection lenses, a projection lens supporting member to support the plurality of projection lenses, and a position-arrangement member provided at the projection lens supporting member to arrange the reflection mirror at a predefined position on the projection lens supporting member.
申请公布号 US2015138514(A1) 申请公布日期 2015.05.21
申请号 US201414547220 申请日期 2014.11.19
申请人 TSUCHIYA Satoshi;FUJIOKA Tetsuya;KANAI Hideo;YAMADA Masamichi;MIKUTSU Yasunari;ISHIKAWA Naoyuki;MIKAWA Akihisa;NISHI Yukimi 发明人 TSUCHIYA Satoshi;FUJIOKA Tetsuya;KANAI Hideo;YAMADA Masamichi;MIKUTSU Yasunari;ISHIKAWA Naoyuki;MIKAWA Akihisa;NISHI Yukimi
分类号 G03B21/14;G03B21/00;G03B21/28 主分类号 G03B21/14
代理机构 代理人
主权项 1. A projection optical device to project an image on a projection plane, comprising: a reflection minor; a plurality of projection lenses; a projection lens supporting member to support the plurality of projection lenses; and a position-arrangement member provided at the projection lens supporting member to arrange the reflection mirror at a predefined position on the projection lens supporting member.
地址 Kanagawa JP