Device for enabling an observer to verify the...

G - Physics – 07 – D

Patent

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Details

G07D 7/00 (2006.01) G01N 21/88 (2006.01)

Patent

CA 2353382

The invention relates to a device for enabling an observer visually to verify the angle-dependent scattering behaviour of an object. The device comprises a holding unit (2) having a measurement window (5) which can be moved into a defined relative position in relation to the object (4, 4', 4'') and an observation window (7) which is visible to the observer (8); a light supply (6) which is held by the holding unit (2) and directs substantially parallel light beams (9) onto the measurement window (5) at a defined angle (.alpha.); and a light-guiding device (11) which is also held by the holding unit (2), captures a plurality of light beams (10) moving outwards at different angles (.beta.1, .beta.2) from a point on the measurement window (5) and represents said light beams in the observation window (7) in a parallel or convergent manner.

L'invention concerne un dispositif permettant le contrôle visuel, par un observateur, du comportement de diffusion à dépendance angulaire d'un objet. Ce dispositif comprend: un dispositif de fixation (2), qui comporte une fenêtre de mesure (5) pouvant être mise dans une position prédéterminée par rapport à l'objet (4, 4', 4''), ainsi qu'une fenêtre d'observation (7) visible pour l'observateur (8); un guide d'amenée de lumière (6) qui est porté par le dispositif de fixation (2) et dirige vers la fenêtre de mesure (5) des rayons lumineux (9) sensiblement parallèles, selon un angle .alpha. prédéterminé; et un dispositif de guidage de lumière (11) porté par le dispositif de fixation (2), qui capte une pluralité de faisceaux lumineux (10) partant d'un point de la fenêtre de mesure (5) selon différents angles (.beta.¿1?, .beta.¿2?) et délivre ces faisceaux, de façon qu'ils soient parallèles ou convergents, dans la fenêtre d'observation (7).

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