Device for distinguishing spools on the basis of their yarn content

摘要

Device and process for recognizing and distinguishing the spools (6) carried by plates (10) at the outlet of a bobbin-winding station on the basis of their yarn content, its image being taken by a photocamera (4) used with the diascopic technique, the photocamera (4) bidimensionally processing the image taken to distinguish the spools (6) and giving a signal to suitably direct the plate (10) on the basis of the observation effected.