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Slit Illuminator Disclosure Number: IPCOM000051531D
Original Publication Date: 1981-Feb-01
Included in the Prior Art Database: 2005-Feb-10

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Nielsen, G [+details]


Region 10 of a document to be illuminated is provided with substantially uniform light from an essentially point light source 11, mounted in a reflector 12, having a dichroic surface for absorbing infrared while reflecting visible light. The uniform light is produced by a box-shaped reflector 13 having an internal surface of highly reflective aluminum.