Image display apparatus with modulators for modulating picture e

Details Image display apparatus with modulators for modulating picture e Image display apparatus with modulators for modulating picture e

1997-09-03

1999-11-02

Epps, Georgia

Optical: systems and elements

Single channel simultaneously to or from plural channels

348758, G02B 2710, G02B 962

Patent

active

059781424

ABSTRACT:
Image display apparatus comprising projector means, a first modulator and a second modulator, the first and the second modulators being such as to modulate picture elements in an image whereby finite minimum image brightness above true black is reduced, and whereby the contrast range of the projected image is extended.

REFERENCES:
patent: 4533215 (1985-08-01), Trias et al.
patent: 4722593 (1988-02-01), Shimazaki
patent: 5060075 (1991-10-01), Skinner
patent: 5481321 (1996-01-01), Lipton

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