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Inspektion von farbigen Oberflaechen

Method for testing colour fidelity in industrial use - involves fanning or splitting light, to form continuous spectrum from small image or object area on several adjacent elements of two-dimensional sensor.
 
: Schwider, P.M.; Bauer, N.; Fößel, S.

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Frontpage ()

DE 1997-19708269 A1: 19970228
DE 1997-19749667 A: 19971110
DE 19749667 C2: 20020516
G01J0003
German
Patent, Electronic Publication
Fraunhofer IIS ()

Abstract
The method involves using a sensor (30) extending in two directions (x,y). An essentially continuous fanning out or splitting (20) of incident light from a small image region or object region is produced, especially on several adjacent first light-sensitive elements (31) of the sensor. At least one simultaneous, also essentially continuous, spectral fanning out of the incident from another (small) image region or object region is produced, especially on several more adjacent light-sensitive elements of the same sensor. ADVANTAGE - Facilitates spectroscopic measuring of colour and attains real time requirements for industrial inspection. Determines all relevant spectral parts of image points for colour inspection using high camera speeds.

: http://publica.fraunhofer.de/documents/PX-19007.html