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 |
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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 |