Three dimensional imaging using a refractive optic design
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United States of America Patent
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Jul 4, 2000
Grant Date -
N/A
app pub date -
Nov 3, 1998
filing date -
Nov 3, 1998
priority date (Note) -
Expired
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Abstract
A method and apparatus for gathering full-field three dimensional data for a surface by directing light through a master grating and a projection lens onto a surface, viewing the light from the surface though an imaging lens, a plurality of splitting lenses, and a submaster grating, creating a plurality of moire fringes, and examining said plurality of moire fringe patterns to determine full-field three dimensional data.
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