CONSUMING DEVICE AND METHOD FOR AUTHENTICATING A CONSUMABLE COMPONENT

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CONSUMING DEVICE AND METHOD FOR AUTHENTICATING A CONSUMABLE COMPONENT

This abstract first appeared for US patent application 18937565 titled 'CONSUMING DEVICE AND METHOD FOR AUTHENTICATING A CONSUMABLE COMPONENT

Original Abstract Submitted

In accordance with one embodiment, a consuming device is provided, comprising a power supply for an authentication chip of a consumable component, wherein the internal resistance of the power supply is variable, a detection device configured to capture information about an operating state of the authentication chip for a plurality of values of the internal resistance of the power supply and to determine a dependence of the operating state of the authentication chip on the internal resistance of the power supply, and an authentication circuit configured to authorize the use of the consumable component by the consuming device based on the determined dependence.