Iti Scotland Limited

Mark Wilds

Paul Christopher Roberts

Peter John Kelly

Dan Timson

A security tag comprising at least one overt data carrier (), and at least one covert data carrier (), the covert data carrier comprising a ring () that is formed around the overt data carrier (). The covert data carrier () is invisible to the unaided eye when lit with visible light, but visible when illuminated with other light, for example UV light.

Secure authentication feature

A method for authenticating a data carrier that is associated with at least two security features that can be independently used to authenticate the data carrier, the method comprising using a first one of the security features to authenticate the data carrier and switching to using a second security feature in place of the first security feature in response to a switch security feature command.

Growing community of inventors

Cambridge, United Kingdom

Mark Wilds