Patent ID: 6995838
Filing Date: 2006-02-07
Classification: G01N

Abstract:
1. Device for the automatic surface inspection of a moving strip ( 1 ), in order to detect surface defects, of the type comprising, on the one hand, at least one camera ( 10 ) whose optical axis is directed towards the surface to be inspected and which forms with said surface a line of sight which is transverse relative to the direction of movement of the strip ( 1 ) and, on the other hand, at least one lighting system ( 15 ) whose incident rays are directed towards the transverse line of sight and are distributed over the entire length of said line, characterised in that the incident rays form, with a perpendicular at the location of each point of the transverse line of sight, an angle β in that, at the location of each point of the transverse line of sight, the direction of observation of the camera (