Optics: measuring and testing – By polarized light examination – With light attenuation
Patent
1995-05-02
1997-10-07
Rosenberger, Richard A.
Optics: measuring and testing
By polarized light examination
With light attenuation
356237, G01N 2100
Patent
active
056754175
ABSTRACT:
A light panel for highlighting flaws and imperfections in the surface of an automobile body or the like includes a pair of lenses with one lens positioned on each side of a light source. The lens on one side of the panel is yellow with a painted black stripe thereon with the black stripe irregularly "bleeding" into the yellow to create diverse shadow lines. The lens on the opposite side of the panel is white with a similar black stripes. Each black stripe includes a narrow centerline of white or black, respectively which serves as a reference. A fluorescent lamp is positioned between the lenses to project a shadow line light pattern onto the surface to be inspected for dents or imperfections. The white and black shadow line pattern is more effective at highlighting flaws in darker colored surfaces while the yellow and black shadow line pattern is more effective at highlighting flaws in lighter colored surfaces. An infinitely adjustable light panel support frame allows the light panel to be positioned at any desired height and oriented at any desired orientation to effectively illuminate and highlight any desired portion of an automobile body.
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Hugh W. Lippincott and Henry Stark; Optical-Digital Detection of Dents and Scratches on Specular Metal Surfaces; Aug. 15, 1982; Applied Optics, vol. 21, No. 16, pp. 2875-2881.
Jenkins James D.
McClain Winford D.
Ventura George
It's Dents Or Us, Inc.
Rosenberger Richard A.
LandOfFree
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