G - Physics
01
N
73/55
G01N 21/47 (2006.01) B41F 33/00 (2006.01) G01J 3/46 (2006.01) G02B 17/08 (2006.01)
Patent
CA 1314153
9-16708/GTF 522 MEASURING HEAD ABSTRACT OF THE DISCLOSURE A measuring head for the determination of the optical reflectance properties of color measuring fields co- printed with color sheets includes an optical illuminating device having two Mangin mirrors and an aplanar system located in alignment with the Mangin mirrors in a central opening. The light emitted by a light source and reflected by the measuring area arrives in a glass rod and is fed through an optical measuring device into a light waveguide, through which the reflected light is fed into a spectrometer for spectral analysis.
579060
Knus Jean A.
Mast Fred
Dennison Associates
Heidelberger Druckmaschinen Aktiengesellschaft
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