Optics: image projectors – Housing
Patent
1996-04-11
1997-09-02
Dowling, William
Optics: image projectors
Housing
353 38, 348744, G03B 2128
Patent
active
056624026
ABSTRACT:
A projector with a detachable liquid crystal panel. A lamp emits a certain amount of focused source light rays. A reflector reflects the focused source rays of the lamp into uniform spread light rays. A planar reflector reflects the spread light rays of the reflector into planar light rays. A Fresnel lens focuses the planar light rays of the planar reflector. A detachable LCD panel section rotatingly transmits the incident focused light rays from the Fresnel lens in accordance with a picture data to be displayed. An image-forming optical system for forming images from the incident light rays incoming from the LCD panel section. A small LCD panel is detachably formed in an LCD projector. Thus, if the surrounding illumination is bright, pictures can be viewed by attaching the LCD panel to an LCD TV. If the pictures are to be watched through a large screen, the LCD panel is attached to the LCD projector so as to magnify the pictures.
REFERENCES:
patent: 5187510 (1993-02-01), Vogeley et al.
patent: 5376979 (1994-12-01), Zavracky et al.
patent: 5396304 (1995-03-01), Salerno et al.
patent: 5400095 (1995-03-01), Minich et al.
patent: 5408284 (1995-04-01), Berger et al.
patent: 5537171 (1996-07-01), Ogino et al.
Dowling William
Samsung Aerospace Industries Ltd.
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