191940 ⎘
Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors using magneto-sensitive switches, e.g. reed-switches
Filter identification
#2Method for forming and detecting security elements on the surface of a component or in a component, and system for detecting said security element
#3Magnetic sensor device
#4Counterfeit protection and verification system and method
#5Magnetic POS engagement system for mobile devices