The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 2026
Filed:
Nov. 05, 2024
Infineon Technologies Ag, Neubiberg, DE;
Infineon Technologies AG, Neubiberg, DE;
Abstract
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.