Video projection system

Details Video projection system Video projection system

1987-06-08

1988-03-29

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358 64, 358 87, 358 93, 358104, 353 30, 340720, H04N 916, H04N 718

Patent

active

047347791

ABSTRACT:
A large screen video display system to display bright video images at high resolution comprises an array of video monitors arranged adjacent each other in a compact matrix, for example, an array of 2.times.2, 3.times.3 or 4.times.4 video monitors. A lenticular optical plate is placed in front of the face plate of each monitor to magnify the video images and project them as a mosaic of images on the back face of a rear projection screen. Circuit means electronically, using digital techniques, divide the original video image into segments, each segment being displayed on a separate monitor, and into sub-segments, for example, 48 rectangular sub-segments, which sub-segments are individually rotated 180.degree. about the image axis on each monitor. A viewer looking at the video image displayed on the front of the RP projection screen sees a continuous image covering the entire screen and is not aware that the image is made up from sub-segments and segments displayed on individual monitors.

REFERENCES:
patent: 3256386 (1966-06-01), Merchand
patent: 3909525 (1975-09-01), Fagan
patent: 3932702 (1976-01-01), Shelley et al.
patent: 3995288 (1976-11-01), Yevick
patent: 4355328 (1982-10-01), Kulik
patent: 4386485 (1983-01-01), Midland

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