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US 2014/0211172 A1Published application
Image projection apparatus and illumination optical system
AssigneeSony Corporation
InventorIchiro MORI
Life of this patent
Estimating the term…
Abstract
An image projection apparatus includes: an illumination optical system; a projection optical system assembled integrally with the illumination optical system; and a frame fixed to only one system, that has a larger weight, of the illumination optical system and the projection optical system.
Claims15
An image projection apparatus, comprising:
- an illumination optical system;
- a projection optical system assembled integrally with the illumination optical system;
- and
- a frame fixed to only one system, that has a larger weight, of the illumination optical system and the projection optical system.
1 more element
An illumination optical system configured to be mounted on an image projection apparatus including a projection optical system and a frame,
- the illumination optical system being assembled integrally with the projection optical system, wherein
- only one system, that has a larger weight, of the illumination optical system and the projection optical system is fixed to the frame.
Dependencies are inferred from the claim text.