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Security code for application to materials for sorting/collecting is image representation entirely detectable by human eye under normal daylight and partly invisible to human eye under infrared light
Security code for application to materials for sorting/collecting is image representation entirely detectable by human eye under normal daylight and partly invisible to human eye under infrared light
The security code (1) consists of an image representation (2) consisting of at least two different color elements so that the entire image representation can be detected by the human eye under normal daylight and part (4) of the image representation is invisible to the human eye when illuminated with infrared light. The entire image representation can only be detected by the human eye under normal daylight. Independent claims are also included for the following: (a) an arrangement for sorting and/or collecting materials (b) and a method of operating an arrangement for sorting and/or collecting materials.
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