Method for formation of a color video image for projection systems with one cathode ray tube
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United States of America Patent
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Apr 5, 2011
Grant Date -
Jul 26, 2007
app pub date -
Jan 16, 2007
filing date -
Jan 25, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for formation of projection systems color video-images comprises: preliminary programmed processing of video-signals, dividing them into three primary colors components, and generating frame- and line-synchronizing pulses for CRT raster, provided by processing means; formation of three primary color images adjacently positioned on a screen of a single projection type one-beam CRT, the screen of which is divided into three rectangular areas for red, green and blue images wherein each area is coated by a red, green, or blue color phosphor layer respectively, and each image of a primary color is located on the corresponding phosphor layer of its color; superimposing the images to form a combined color image by optical means; displaying the combined color image on a common projection screen.
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