Optics: measuring and testing – Shape or surface configuration – By specular reflection
Reexamination Certificate
2011-04-19
2011-04-19
Punnoose, Roy (Department: 2886)
Optics: measuring and testing
Shape or surface configuration
By specular reflection
Reexamination Certificate
active
07929153
ABSTRACT:
A device for acquiring the three-dimensional shape of the surface of an object comprises a lens; deflection means; at least two masks; at least two projection assemblies adapted to emit light beams which, by passing through the masks and the deflection means and by traveling along a channel which passes through the lens, strike the object to be acquired, projecting onto it the mutually offset images of the masks; means for acquiring the images reflected by the object; and means for processing the reflected images. The deflection means are semireflecting and the masks are adapted to project fringe images of the cosinusoidal type through the deflection means.
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Josif Albert
Modiano & Associati
O'Byrne Daniel
Punnoose Roy
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