Video projection apparatus

Details Video projection apparatus Video projection apparatus

2007-10-30

2007-10-30

Dowling, William C. (Department: 2851)

Optics: image projectors

Housing

C349S005000

Reexamination Certificate

active

11490138

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.

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patent: 10-260473 (1998-09-01), None
patent: 2003-29182 (2003-01-01), None

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