MOYENS MATÉRIELS CODÉS QUI SONT LUS AU MOYEN DE CAPTEURS SENSIBLES GRÂCE AU DÉPLACEMENT RELATIF DES DEUX

摘要

The invention refers to coded material means that are read by sensitive sensors through the relative displacement of both in a certain direction, where the sensor interrogates an area of the coded information medium located in a material environment being capable of extracting the necessary information by means of the distance from the sensor to the interrogated area of the medium where the information resides in the thickness of the interrogated area of the medium or the composition of the interrogated area of the medium or in the difference of materials of different dielectric constants.