Scientific, surveying, photographic, cinematographic, optical, measuring, signalling, checking and teaching apparatus and instruments, namely, code readers, especially bar code readers and matrix code readers, and sensors for detection of position and/or shape of goods and parts of all types of goods including angle, length, thickness, height, inclination, position, shape, size, edge, presence, distance, circle, number of edges, points, contours, areas, pattern or positioning of goods themsel...