Projection screen to replace a CRT display for simulation

Details Projection screen to replace a CRT display for simulation Projection screen to replace a CRT display for simulation

1999-02-08

2000-10-17

Dang, Hung Xuan

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359293, 359292, 359771, 359772, G02B 2600, G02B 934

Patent

active

061340448

ABSTRACT:
A lightweight and low cost replacement display for a conventional cathode-ray tube (CRT) display is provided that projects distortion free digital images directly without conversion to analog signals. The display does not exhibit cross-talk interference when a plurality of displays are placed adjacent one another, and does not present large gaps between adjacent displays. The display utilizes a digital micromirror device that projects a 1:1 bit mapped digital signal to a plurality of micromirrors that are switchable between an on and an off state and projects the image of light reflected from the "on" mirrors onto a direct view screen.

REFERENCES:
patent: 5600383 (1997-02-01), Hornbeck
patent: 5880573 (1999-03-01), Marshall

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