Title:
投影システム
Document Type and Number:
Japanese Patent JP7455070
Kind Code:
B2
Abstract:
There is provided a projection system including a plurality of projectors that perform edge blending, each of the plurality of projectors including: an image display element; a light blocking plate that reduces an amount of light in an edge overlapping portion of a light bundle; and an aperture diaphragm that changes an amount of light traveling-toward an object to be projected, wherein when a circle formed by an outermost perimeter of a light passing region obtained when the aperture diaphragm is completely opened is defined as a reference circle, the aperture diaphragm partially covers the inside of the reference circle such that an outline of the reference circle is divided into three or more sections in a state where the aperture diaphragm is narrowed to make an area of the light passing region inside the reference circle half the reference circle.
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Inventors:
Zentoshi Hirose
Application Number:
JP2020558315A
Publication Date:
March 25, 2024
Filing Date:
November 13, 2019
Export Citation:
Assignee:
Konica Minolta Planetarium Co., Ltd.
International Classes:
H04N5/74; G03B21/00
Domestic Patent References:
| JP2008288714A | ||||
| JP2002072361A | ||||
| JP2016024331A |
Foreign References:
| US5053934 |
Attorney, Agent or Firm:
Patent Attorney Fukami Patent Office
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