Programmable light beam shape altering device using programmable micromirrors
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United States of America Patent
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Aug 3, 2004
Grant Date -
Dec 5, 2002
app pub date -
Jul 16, 2002
filing date -
Feb 7, 1996
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Abstract
A digital micromirror device ('DMD') is used to alter the shape of light that is projected onto a stage. The DMD selectively reflects some light, thereby shaping the light that is projected onto the stage. The control for the alteration is controlled by an image. That image can be processed, thereby carrying out image processing effects on the shape of the light that is displayed. One preferred application follows the shape of the performer and illuminates the performer using a shape that adaptively follows the performer's image. This results in a shadowless follow spot.
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