Method and apparatus for projecting a color image

Details Method and apparatus for projecting a color image Method and apparatus for projecting a color image

1991-12-30

1993-11-23

Cuchlinski, Jr., William A.

Optics: image projectors

Composite projected image

Multicolor picture

353 34, G03B 2100

Patent

active

052648800

ABSTRACT:
A method for achieving a color projection of an image directs light from a source to a dispersive element and disperses the light received by the element into a spectrum of light having different colors at different angles. Each color band of the resulting spectrum is focused, and the dispersed color bands are modulated in color bands corresponding to those received during the focusing onto a modulating element. Finally, the modulated light beams are recombined for projecting onto a projection surface.

REFERENCES:
patent: 3510216 (1970-05-01), Wagman
patent: 3822930 (1974-07-01), Douklias
patent: 3923389 (1975-12-01), Rogers et al.
patent: 4269915 (1981-05-01), Moraw
patent: 4687301 (1987-08-01), Ledebuhr
patent: 4971436 (1990-11-01), Aoki et al.
patent: 5032924 (1991-07-01), Brown et al.

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