Identification mark & method and apparatus for reading the same.

摘要

An identification mark for a metal, rubber, plastic or the like article to be identified together with a method of reading the identification mark and a device for reading the mark. The mark comprises a combination of a priority of segments from a preselected matrix of standard segments and the device for reading the mark comprises a set of sensors, one for each of the standard segment positions and completed means for comparing the optical signals received from the sensors to read the mark.