Optical surface inspection apparatus

Optics: measuring and testing – By monitoring of webs or thread – For flaws or imperfections

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

250562, 356238, G01N 2189

Patent

active

049001531

ABSTRACT:
An optical surface inspection apparatus for material webs comprises an illuminating means (11) for generating a strip of light (12) on the surface (19) to be inspected and a light receiving means (13) which receives the light emitted (diffusely reflected) from the surface region illuminating by the strip of light (12) and directs it to a photoreceiving arrangement, which delivers a signal representative of web faults to an electronic processing circuit (16). The light receiving means (13) has at least one row camera (14) which receives light remitted from a line illuminated by the strip of light (12) and forms an image of the line on the diode row (15). The light receiving means is also arranged at such a shallow observing angle .alpha. relative to the tangential plane to the surface at the location of the strip of light (12) that faults (20) which project slightly out of the surface appear to the row camera (14) in shadow outline against the light background of the strip of light (12).

REFERENCES:
patent: 3841761 (1974-10-01), Selgin
patent: 4099884 (1978-07-01), Nash
patent: 4671663 (1987-06-01), Sick

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Optical surface inspection apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical surface inspection apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical surface inspection apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1163627

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.