Device for automatic surface inspection of an unwinding strip
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United States of America Patent
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Feb 7, 2006
Grant Date -
Feb 5, 2004
app pub date -
Dec 10, 2001
filing date -
Dec 11, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The invention concerns a device for automatic surface inspection of an unwinding strip to detect surface defects, comprising at least a camera (10) whereof the optical axis is directed towards the surface to be inspected and forming on said surface a transverse line of sight (L) and at least an illuminating system (15) whereof the incident rays (Ri) are directed towards the transverse tranline of sight and distributed over the entire length of said line. At each point of the transverse line of sight, the observation direction of the camera (10) forms with the specular reflected ray at said point a constant angle.
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