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US 10,719,004 B2Granted
Dome screen
AssigneeKonica Minolta Planetarium Co., Ltd.
InventorHiroaki Ueda
Life of this patent
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Abstract
A dome screen for preventing generation of a missing part of a star projected on the dome screen is provided. A dome screen 10 capable of projecting an image includes a dome portion 11 and a sheet portion 12. The dome portion 11 has a plurality of holes and is formed in a hemispherical shape. The sheet portion 12 is arranged on an outer side of the dome portion 11 so as to overlap with the dome portion 11 and has light reflectivity.
Claims19
A dome screen capable of projecting an image, the dome screen comprising:
- a dome portion having a plurality of holes, having light reflectivity, formed in a hemispherical shape;
- and
- a sheet portion arranged on an outer side of the dome portion so as to overlap with the dome portion and having light reflectivity.
A projection facility comprising:
- a dome screen capable of projecting an image;
- a projector that projects an image on the dome screen;
- and
- a plurality of speakers arranged on an outer side of the dome screen, wherein
- the dome screen includes:
- a dome portion having a plurality of holes, having light reflectivity, formed in a hemispherical shape;
- and
- a sheet portion arranged on an outer side of the dome portion so as to overlap with the dome portion and having light reflectivity.
5 more elements
Dependencies are inferred from the claim text.