Projection Apparatus and Cabinet Thereof
First Claim
1. A cabinet of a projection apparatus, said projection apparatus comprising a rectangular screen and an optical engine that projects an image onto a back surface of said screen from below,said cabinet comprising:
- a screen frame that holds four sides of said screen, said screen frame having at least an upper-side frame that supports an upper side of said screen;
a bottom plate that holds said optical engine, an end portion of said bottom plate being mounted to said screen frame, anda reinforcing stay that connects said upper-side frame of said screen frame and the other end portion of said bottom plate along a contour of light ray projected onto said screen.
1 Assignment
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Accused Products
Abstract
A cabinet is provided in a projection apparatus including a rectangular screen (200), and an optical engine (300) that projects an image onto a back surface of the screen (200) from a lower side thereof. The cabinet includes a screen frame (100) that holds four sides of the screen (200) and has at least an upper-side frame (1) that supports an upper side of the screen (200), a bottom plate (9) that holds the optical engine (300) and has an end portion mounted to the screen frame (100), and a reinforcing stay (10b) that connects the upper-side frame (1) of the screen frame (100) and the other end portion of the bottom plate (9) along a contour of light ray (18a) projected onto the screen (200).
15 Citations
15 Claims
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1. A cabinet of a projection apparatus, said projection apparatus comprising a rectangular screen and an optical engine that projects an image onto a back surface of said screen from below,
said cabinet comprising: -
a screen frame that holds four sides of said screen, said screen frame having at least an upper-side frame that supports an upper side of said screen; a bottom plate that holds said optical engine, an end portion of said bottom plate being mounted to said screen frame, and a reinforcing stay that connects said upper-side frame of said screen frame and the other end portion of said bottom plate along a contour of light ray projected onto said screen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification