Projection type color image display unit

Details Projection type color image display unit Projection type color image display unit

2006-07-04

2006-07-04

Hsia, Sherrie (Department: 2614)

Television

Video display

Projection device

C348S751000, C348S675000

Reexamination Certificate

active

07072000

ABSTRACT:
In a projection type color display unit having three optical shutters formed on substrates corresponding to three primary colors, a color separation circuit and a digitalizing circuit are provided on each substrate having the optical shutter, and signals corresponding to the respective colors which are outputted from those three digitalizing circuits are compared with each other and arithmetically operated, to thereby reduce a noise.

REFERENCES:
patent: 5260797 (1993-11-01), Muraji et al.
patent: 5315378 (1994-05-01), Satou et al.
patent: 5337171 (1994-08-01), Mase et al.
patent: 5386306 (1995-01-01), Gunjima et al.
patent: 5452019 (1995-09-01), Fukuda et al.
patent: 5574516 (1996-11-01), Kanai et al.
patent: 5625474 (1997-04-01), Aomori et al.
patent: 5639698 (1997-06-01), Yamazaki et al.
patent: 5671023 (1997-09-01), Nishiwaki et al.
patent: 5734457 (1998-03-01), Mitsui et al.
patent: 5784129 (1998-07-01), Konuma et al.
patent: 5789763 (1998-08-01), Kato et al.
patent: 5877740 (1999-03-01), Hirakata et al.
patent: 5886745 (1999-03-01), Muraji et al.
patent: 6011533 (2000-01-01), Aoki
patent: 6013928 (2000-01-01), Yamazaki etal.

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