Projecting device with a cylindrical color tube for displaying color images
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United States of America Patent
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-
Jun 10, 2003
Grant Date -
N/A
app pub date -
Apr 26, 2000
filing date -
Apr 26, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A projecting device with a cylindrical color tube for displaying color images. The projecting device includes a light source for generating a trichrome light beam, a cylindrical color tube for filtering the trichrome light beam into red, green and blue light beams, a driving device for rotating the color tube, an optical modulator for converting an image signal into an image and modulating the image into the red, green and blue light beams outputted from the color tube to generate a modulated light beam, and a projecting lens installed in the housing for projecting the modulated light beam onto a screen.
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