Method and apparatus for producing optical illusions
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United States of America Patent
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Jul 27, 2010
Grant Date -
Jun 19, 2008
app pub date -
Dec 14, 2006
filing date -
Dec 14, 2006
priority date (Note) -
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Abstract
A method and apparatus for use in connection with a theatrical stage presentation for rendering an actor or object located on the stage visible or invisible at will. The apparatus used to create the illusion includes a strategically located, selectively transparent screen and a large, generally vertically extending mirror. In carrying out the method of the invention, the mirror is controllably moved across the stage at a location intermediate a rear wall and the selectively transparent screen from a first position out of sight of the audience to a second position wherein the mirror is disposed between the rear wall and the selectively transparent screen.
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