Title:
投射レンズ及び投射装置
Document Type and Number:
Japanese Patent JP7220793
Kind Code:
B2
Abstract:
The present invention is a projection lens through which light from an electro-optical element passes, the projection lens comprising: a first optical system through which light of a first optical axis passes; a first reflection part which bends the light of the first optical axis to light of a second optical axis; a second reflection part which bends the light of the second optical axis to light of a third optical axis; a projection optical system which projects light from the third optical axis; at least one of a first rotation mechanism which causes the first reflection part to rotate around the first optical axis, and a second rotation mechanism which causes the second reflection part and the projection optical system to rotate around the second optical axis; and a light blocking part which blocks a portion of the light emitted by the electro-optical element.
Inventors:
Amano Ken
Hironobu Chino
Hironobu Chino
Application Number:
JP2021537009A
Publication Date:
February 10, 2023
Filing Date:
July 22, 2020
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G03B21/14; G02B7/02; G03B21/00
Domestic Patent References:
| JP5019346A | ||||
| JP2003149736A | ||||
| JP2011053316A | ||||
| JP2017215419A |
Foreign References:
| WO2018055964A1 | ||||
| WO2018055963A1 | ||||
| WO2019107482A1 | ||||
| WO2018016309A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office