Illumination for imaging
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United States of America Patent
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Aug 14, 2001
Issued Date -
N/A
app pub date -
Jun 6, 1994
filing date -
Oct 10, 1989
priority date (Note) -
Expired
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Abstract
Arrangement for lifting image of checks, with Xenon lamp, Fluorescent lamp or like source of stable-wavelength-output and CCPD Camera means selected to exhibit 'close-to-human' spectral response plus a photopic filter, disposed upstream of the Camera and adapted to shift its received image-light spectrum in the direction of that which is optimal for the human-eye.
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