Apparatus for measuring a spectral distribution of a printed product produced with a printing device
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United States of America Patent
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Aug 31, 2010
Grant Date -
Oct 4, 2007
app pub date -
Apr 2, 2007
filing date -
Apr 3, 2006
priority date (Note) -
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Abstract
An apparatus (10) measures a spectral distribution of a printed product (12) produced with a printing device. The apparatus (10) has an illuminating source (20) for illuminating the printed product (12), an optoelectronic measuring means (32) for measurer the reflectance value of a section of the spectrum of the light (26) reflected from the printed product (12), an optical disperser (28) for dispersing the wavelengths of the reflected light (26), and a light entry gap plane that is definitive for the disperser (28). The light entry gap plane that is definitive for the disperser (28) is created by the surface of the printed product (12) to be examined.
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