Illumination – Light modifier – Reflector
Patent
1985-12-27
1987-03-17
Nelli, Raymond A.
Illumination
Light modifier
Reflector
362 16, 362809, 362458, 362356, 362297, 362347, 354126, F21V 700
Patent
active
046512624
ABSTRACT:
When examing visually uneven surfaces the problem is the disappearing of the areas remaining in the shade from the picture. To the lighting device in accordance wiht the invention for illumination of and elimination of shades from uneven surface (1) belong a source of light (2), a mainly globular reflecting contrivance (3), the interior surface of which is equipped with reflecting material, and to which openings (4, 5) for the examining of the surface and holes (6) for conducting of the light into the reflecting contrivance are formed, as well as a reflector element (7) for reflecting of light through the opening (4) into the reflecting contrivance.
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patent: 4144556 (1979-03-01), Bond
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patent: 4274131 (1981-06-01), Praausma
patent: 4526546 (1985-07-01), Schaeffer
Nelli Raymond A.
Valtion teknillinen tutkimuskeskus
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