Measuring head

Details Measuring head Measuring head

1988-08-31

1989-09-12

McGraw, Vincent P.

Optics: measuring and testing

Of light reflection

With diffusion

350444, G01N 2147, G02B 2104

Patent

active

048654566

ABSTRACT:
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.

REFERENCES:
patent: 3244062 (1966-04-01), Sweet
patent: 3825322 (1974-07-01), Mast
patent: 4076421 (1978-02-01), Kishner
patent: 4078858 (1978-03-01), Mast
"The Mangin Mirror as Imaging Element" (Riedl) 2450 Electro Optics, (1983) Jun., No. 6, Chicago, Ill., pp. 50-54.
European Search Report No. RS 79804 CH.

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