Rear projector

Details Rear projector Rear projector

2007-05-08

2007-05-08

Mahoney, Christopher (Department: 2851)

Optical: systems and elements

Projection screen

C353S074000

Reexamination Certificate

active

10779678

ABSTRACT:
There is provided a rear projector capable of preventing entry of dust. A cabinet of the rear projector has a front side thereof formed with an opening. A screen panel slightly larger in size than the opening is attached to the front side of the cabinet such that the opening edge portion of the opening of the cabinet and the periphery of the screen panel are opposed to each other. The screen panel receives projection light projected from behind for image display, and thereby displays an image thereon. A projector unit is disposed within the cabinet, for projecting the projection light. A dust-proofing sealing member is disposed between the periphery of the screen panel and the opening edge portion, the screen panel is attached to the housing.

REFERENCES:
patent: 4381421 (1983-04-01), Coats et al.
patent: 5206760 (1993-04-01), Nakashima et al.
patent: 5548350 (1996-08-01), Yamada et al.
patent: 5580145 (1996-12-01), Yamada et al.
patent: 07-114101 (1995-05-01), None
patent: A 2002-296678 (2002-10-01), None

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