Optical resizing apparatus

Details Optical resizing apparatus Optical resizing apparatus

1997-06-09

1999-01-19

Dowling, William C.

Optics: image projectors

Lens support

Lens position adjustable

353 30, G03B 2114

Patent

active

058607218

ABSTRACT:
A pixellated light valve projector with optical image resizing, comprising: a) a lamp and optical integrator for generating a rectangular beam of light according to a predetermined aspect ratio; b) a pixellated panel for generating a rectangular image of a video signal in any one of a plurality of native pixel formats; c) a relay optical system intermediate the optical integrator and the pixellated panel for automatically concentrating the light onto the image in accordance with the one of the plurality of native pixel formats; d) a projection screen; and e) a projection lens for projecting the image onto the projection screen so that the projected image fills the projection screen in accordance with the one of the plurality of native pixel formats while image brightness level is maintained by concentrating the light onto the image on the pixellated panel.

REFERENCES:
patent: 5200815 (1993-04-01), Tsujihara
patent: 5355328 (1994-10-01), Arbeiter
patent: 5386252 (1995-01-01), Oku
patent: 5459532 (1995-10-01), Babe
patent: 5475447 (1995-12-01), Funado
patent: 5483299 (1996-01-01), Minoura
patent: 5489952 (1996-02-01), Gove et al.
patent: 5499061 (1996-03-01), Oku
patent: 5500692 (1996-03-01), Onozuka
patent: 5521658 (1996-05-01), Donohe
patent: 5669686 (1997-09-01), Moon
patent: 5673086 (1997-09-01), Fukuoka et al.

Affiliated with

Also associated with

Rating

Optical resizing apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical resizing apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical resizing apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1242149