Optics: measuring and testing – By polarized light examination – With light attenuation
Patent
1977-05-25
1978-11-21
Corbin, John K.
Optics: measuring and testing
By polarized light examination
With light attenuation
250558, 356 2, 356389, 356390, G01B 1124
Patent
active
041263952
ABSTRACT:
The spatial locations of points defining a specular surface are determined by disposing the specular surface in the field of view of a lens and by using the specular surface to view by reflection an irradiated reference surface disposed successively in different positions. Reference surface indicia viewed in common line of sight relation to each specular surface point in such different positions of the reference surface are identified. Radiant energy reflected by a specular surface point through the lens node and the location of the lens node defines a further line in space. The intersection of this further line and such line of sight defines the spatial location of such specular surface point. Photographic records made with the reference surface in such different positions contain representations of reflected radiant energy for all specular surface points in the field of view of the lens and in line of sight relation to the reference surface.
REFERENCES:
patent: 3866052 (1975-02-01), Di Matteo et al.
patent: 3936649 (1976-02-01), Di Matteo et al.
Ross Joseph A.
Stern Howard K.
Corbin John K.
Rosenberger R. A.
Solid Photography Inc.
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