Hand-held measurement device for capturing the visual impression of a measurement object

A hand-held measurement device for appearance analyses includes a measurement array which comprises a number of illumination means(21-27) for applying illumination light to a measurement field in at least three illumination directions and a number of pick-up means(31-33) for capturing the measuremen...

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Bibliographic Details
Main Authors PETER EHBETS, GUIDO NIEDERER, JORG HUNKEMEIER, BEAT FRICK, MARK WEGMULLER
Format Patent
LanguageChinese
English
Published 21.05.2014
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A hand-held measurement device for appearance analyses includes a measurement array which comprises a number of illumination means(21-27) for applying illumination light to a measurement field in at least three illumination directions and a number of pick-up means(31-33) for capturing the measurement light in at least one observation direction. The illumination directions and the observation directions lie in a common system plane. At least one pick-up means is embodied to spectrally gauge the measurement light in a locally integral way, and at least one imaging pick-up means is embodied to gauge the measurement light in terms of color in a locally resolved way. The spectral pick-up means(32) and the locally resolving pick-up means(33) are arranged such that they receive the measurement light reflected by the measurement field under the same observation conditions and in particular from the same observation direction.
Bibliography:Application Number: CN201310546189