Optoelectrical arrangement for measurement of a workpiece dimension, whereby a divergent point type light source is used in conjunction with a linear photoelectrical detector, so that wide optical components are not required

摘要

Arrangement for optical measurement of a dimension of a workpiece. Arrangement comprises a point light source and optoelectrical detection device for conversion of the light into location dependent electrical signals. Mounting means are also provided for support and rotation of a workpiece between light source and detector. The light source (2) generates a divergent light beam that is intercepted by the object prior to its meeting the detector.