RFID tag and RFID reader

US10474944B2 · kind B2 · utility

Assignees

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE
• FRIEDRICH-ALEXANDER-UNIVERSITÄT ERLANGEN-NÜRNBERG · DE

Inventors

• Hazem Elsaid Ibrahim · Erlangen, DE
• Hamed Kenawy · Erlangen, DE
• Joerg Robert · Vreden, DE
• Albert Heuberger · Erlangen, DE
• Wolfram Strauss · Nuremberg, DE

Key dates

• Filing date: Aug 9, 2018
• Grant date: Nov 12, 2019
• Expiry date: Aug 9, 2038

Classification

• Technology area (CPC G): Physics
• CPC primary: G06K7/10039
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

What is described is an Radio Frequency Identification (RFID) tag configured for communicating with an Radio Frequency Identification (RFID) reader, wherein the RFID tag is configured to receive a query command from the RFID reader, to measure a duration of a TRcal signal comprised by the query command, and to determine an individual Backscatter Link Frequency for communicating with the RFID reader based on the measured duration of the TRcal signal. The invention also refers to an RFID reader and to a corresponding method.