Compact sized optical projection system

Details Compact sized optical projection system Compact sized optical projection system

1995-08-24

1997-03-18

Epps, Georgia Y.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359212, 359846, 359850, 348771, G02B 2600

Patent

active

056128142

ABSTRACT:
A compact sized optical projection system capable of displaying an image of M.times.N pixels in various sizes, wherein M and N are integers, includes a light source, a source stopper, a source lens, a total reflection mirror, an array of M.times.N actuated mirrors, a projection stopper, a projection lens, a projection screen and an array of M.times.N pixel filters, wherein the array of M.times.N pixel filters includes a plurality of sets of R pixel filter, G pixel filter and B pixel filter, and each of the sets is repeated both in a horizontal and a vertical directions, and each of the pixel filters is capable of transmitting only one of the primary light beams.

REFERENCES:
patent: 5192946 (1993-03-01), Thompson et al.
patent: 5442414 (1995-08-01), Janssen et al.
patent: 5519518 (1996-05-01), Watanabe et al.

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