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Publication of BE734133ApublicationCriticalpatent/BE734133A/xx
G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
G01B11/00—Measuring arrangements characterised by the use of optical techniques
G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
G01B11/245—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures using a plurality of fixed, simultaneously operating transducers