公开(公告)号：US09677914B2

公开(公告)日：2017-06-13

申请号：US14270737

申请日：2014-05-06

Applicant: SICK AG

Inventor： Gerhard Merettig ,  Roland Bergbach ,  Matthias Schonstein ,  Ingolf Horsch ,  Matthias Gotz ,  Alexander Bohli

IPC: G01D5/26 ,  G01B11/02

CPC classification number: G01D5/26 ,  G01B11/028

Abstract: An optoelectronic sensor for recognizing object edges of objects comprises at least three light transmitters which are arranged such that at least two different spacings result between two respective light transmitters. For recognizing an object edge, an evaluation unit is configured to carry out a common evaluation of an image taken by a light receiver of a light spot generated by the transmitted light beams of a first light transmitter and of an image taken by a light receiver of a light spot generated by the transmitted light beams of another light transmitter. The pair of light transmitters to be used for the common evaluation can be selected in dependence on a selection criterion from at least two differently spaced apart pairs of light transmitters.