Optics: measuring and testing – By polarized light examination – With light attenuation
Patent
1995-06-07
1996-11-05
Rosenberger, Richard A.
Optics: measuring and testing
By polarized light examination
With light attenuation
356237, G01N 2100
Patent
active
055723241
ABSTRACT:
A portable dent highlighting unit for inspecting a surface of an automobile or other structure for imperfections includes a light box and a power supply unit. The light box comprises a framework having an open front face and a fluorescent lamp secured therein. A lens is removably securable to the framework to extend across the open front face such that the lamp is positioned therebehind. Opposed front and back surfaces of the lens are painted or formed with alternating areas of light and dark colors. On one side, the light areas are yellow, and on the other they are white. The light box is supported on support arms which are magnetically securable to automobile body panels. The power supply unit includes an internal battery, a converter, an electrical connector connectable to an outside power source and a switch. The lamp in the light box is selectively connectible to the internal battery or an outside power source through the converter.
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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.
Photographs of dent highlighting panel (Attached as Exhibit A to Information Disclosure Statement) (no date).
It's Dents Or Us, Inc.
Rosenberger Richard A.
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