Sicherheitssystem zur Erkennung von Zustandsveraenderungen durch Manipulation am Produkt

DE 19911709 A UPAB: 20010126 NOVELTY - The system has a sensor (2) invisibly incorporated into the packaging, an evaluation unit and a display device. At least one sensor for at least one characteristic is incorporated into each individual product unit. The sensor value is a function of a parameter characterizing the state of the package contents. A control device is provided, to read the sensor value remotely. USE - To identify variations in product state of packages. ADVANTAGE - System can be mass-produced simply and can be used to check product contents without opening packaging. Offers protection against misuse of system. Packages can be checked quickly