Image projection apparatus and illumination optical system

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United States of America Patent

PATENT NO 9880452
SERIAL NO

15277252

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
SONY CORPORATIONTOKYO JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mori, Ichiro Chiba, JP 35 931

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