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:
Oct. 06, 2026
Filed:
Aug. 20, 2025
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
The invention relates to a method for securing authentication of a device () by a microcontroller () comprising an electronic chip (), comprising at least one pin (-A), called the 'free' pin, not connected to any of the leads () of the microcontroller () and generating a noisy signal that is not accessible outside the microcontroller (), said method comprising the steps of detection (E) of a device (), reception (E), by a processing module (), of a noisy signal via the free pin (-A), generation of a recognition signal from the received noisy signal, encryption (E) of the recognition signal, transmission (E) of the encrypted recognition signal to the device (), decryption (E) of the recognition signal, transmission (E) of the decrypted recognition signal to the microcontroller (), comparison (E) of the generated recognition signal and of the decrypted recognition signal, and authentication (E) of the device () when the decrypted recognition signal corresponds to the generated recognition signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile