Color deviation prevention device in projection display with min

Details Color deviation prevention device in projection display with min Color deviation prevention device in projection display with min

1989-10-24

1992-02-18

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358237, 356402, H04N 572, H04N 574

Patent

active

050898965

ABSTRACT:
A projection display of the type which projects the respective images emitted from a plurality of tubes on a rectangular screen through lenses arranged correspondingly to the projection tubes, thereby to compose the images by overlapping, wherein the lenses are arranged so that the optical axis is located on the center line substantially bisecting the angle at which the pupil of each of the lenses sees both side ends of the rectangular screen with an equal angle, and wherein there is provided an arrangement for optically or electrically correcting relative deviations in the amounts of light projected from the lenses.

REFERENCES:
patent: 3896338 (1975-07-01), Nathanson et al.
patent: 4032968 (1977-06-01), Miyoshi et al.
patent: 4210928 (1980-07-01), Ohmori et al.
patent: 4376949 (1983-03-01), Rowe
patent: 4400722 (1983-08-01), Miyatake et al.
patent: 4499486 (1985-02-01), Favreau et al.
patent: 4633301 (1986-12-01), Saitoh
patent: 4672458 (1987-06-01), McKechnie
patent: 4714956 (1987-12-01), Yin
patent: 4746970 (1988-04-01), Hosokawa et al.
patent: 4766498 (1988-08-01), Spruit
patent: 4883360 (1989-11-01), Kawada et al.
patent: 4914510 (1990-04-01), Brennesholtz et al.
patent: 5010397 (1991-04-01), Hasegawa

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