Video projection apparatus
AssigneeCanon Kabushiki Kaisha
InventorsAkira Yamamoto, Shuichi Kobayashi, Keiichiro Ishihara
Life of this patent
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Abstract
An image projection apparatus according to the present invention includes: a light modulation system; a projection optical system for projecting a two-dimensional image onto a surface to be projected with light from the light modulation system; an image signal processing unit for supplying an image signal to the light modulation system; a power supplying portion for supplying power to the light modulation system; a head portion that contains the projection optical system; a main body portion that contains the power supplying portion; and a drive connection portion for connecting the head portion with the main body portion, in which the head portion and the main body portion can be relatively driven.
Claims18
An image projection apparatus, comprising:
- a light modulation system;
- a projection optical system for projecting a two-dimensional image onto a surface to be projected with light from the light modulation system;
- image signal processing means for supplying an image signal to the light modulation system;
- a power supplying portion for supplying power to the light modulation system;
- a head portion that contains the projection optical system;
- a main body portion that contains the power supplying portion;
- and
- a drive connection portion for connecting the head portion with the main body portion, in which the head portion and the main body portion can be relatively driven.
Dependencies are inferred from the claim text.