Projection device and large-screen display apparatus using...

Details Projection device and large-screen display apparatus using... Projection device and large-screen display apparatus using...

2005-06-28

2005-06-28

Fuller, Rodney (Department: 2851)

Optical: systems and elements

Projection screen

With reflector or additional screen

C359S443000, C359S450000, C359S453000, C359S457000, C359S460000, C348S787000, C348S789000, C353S074000, C353S097000, C353S119000

Reexamination Certificate

active

06912086

ABSTRACT:
The invention provides a projection device comprising a screen constituted in a layered structure with a light-transmissive screen panel and a light-transmissive reinforcing panel, wherein a front panel in the screen has a plane wider than residual panels on the back of the screen, an image projector for projecting an image on the screen, a screen frame fit on the peripheral edges of the residual back panels with a plane smaller than the front panel, a double-side adhesive tape inserted between residual back panels and the screen frame for uniting them together, a single-side adhesive tape applied across the peripheral edges of the front panel and the screen frame for uniting them together, and a housing for accommodating therein the image projector and for holding at its opening the screen via the screen frame so as that the front panel of the screen exposes outside.

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patent: 0 567 330 (1993-04-01), None
patent: 0 758 757 (1997-02-01), None
patent: 2000-162709 (2000-06-01), None

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