Liquid crystal type rear-projection television with a reduced ca

Details Liquid crystal type rear-projection television with a reduced ca Liquid crystal type rear-projection television with a reduced ca

1992-10-06

1994-01-11

Cuchlinski, Jr., William A.

Optics: image projectors

Cabinet encloses projector and one side of screen

Reflector between lamp and screen

353 74, 353119, G03B 2128

Patent

active

052785955

ABSTRACT:
A liquid crystal projector is obliquely disposed in a lower front portion of a cabinet. A first mirror for reflecting light beams of R, G and B coming from the liquid crystal projector is disposed obliquely with respect to the top-bottom, right-left and front-rear directions of the cabinet. A second mirror is disposed so as to be inclined toward a screen. With this configuration, the optical axis of the light beams that extends from the liquid crystal projector to the screen is folded back three-dimensionally. In the liquid crystal projector, the optical axis of a condensing reflector may be slightly inclined from the central axis of a projection lens.

REFERENCES:
patent: 3947104 (1976-03-01), Waly et al.
patent: 4875064 (1989-10-01), Umeda et al.
patent: 4941732 (1990-07-01), Umeda et al.
patent: 4961642 (1990-10-01), Ogino
patent: 5096288 (1992-03-01), Yaho et al.
patent: 5097323 (1992-03-01), Sato et al.

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