IMPRINT PRODUCT, INTER ALIA, A DOCUMENT AND ESPECIALLY AN IDENTIFICATION DOCUMENT, METHOD AND MEANS FOR PRODUCING AND READING SAME

摘要

a) Coded imprint product comprising visual data such as an image or signs, formed by imprints concealing a coding means, b) the product (1) is characterized in that, the imprints consist of etchings, at least some imprints (2, 3, 110) each include at least one specifically oriented face (109) providing a coding means concealed in the set of etching imprints.