A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 9/01 (2006.01) B23K 26/04 (2006.01)
Patent
CA 2642892
Disclosed are an apparatus and a method for detecting the focused position of an optical system (10) comprising a radiation source (12), a focusing imaging system (16), an at least partially reflective surface (18) on the focus (18a), a digital camera (24) for recording an image that is reflected by said surface (18), a computer (C) for evaluating the image recorded by the camera (24), and an optical element (34; 36) in the beam path of the optical system (10) upstream of the focusing imaging system (16), said optical element (34; 36) influencing the image in accordance with the focused position.
L'invention concerne un dispositif et un procédé de détection de la position focale d'un système optique (10), comprenant : une source de rayonnement (12), un système de reproduction focalisant (16), une surface au moins partiellement réfléchissante (18) au foyer (18a), une caméra numérique (24) pour la prise d'une image réfléchie par la surface précitée (18), un ordinateur (C) pour l'évaluation de l'image prise par la caméra (24), ainsi qu'un élément optique (34, 36) sur le parcours de rayonnement du système optique (10), en amont du système de reproduction focalisant (16), lequel influence l'image précitée en fonction de la position focale.
Kittelmann Olaf
Triebel Peter
Ridout & Maybee Llp
Wavelight Ag
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