Verfahren zur Bestimmung einer Rfid-Rückstreuverbindungsfrequenz und Rfid-Tag
Anmelder: NXP B.V. 🇳🇱
Details
- Veröffentlichungs-Nr.
- EP4787224
- Anmeldetag
- 29. Januar 2025
- Veröffentlichung
- 5. August 2026
- Rechtsraum
- EP
- IPC
- G06K7/10, G06K19/07
Abstract
There is disclosed a method for determining a backscatter link frequency, BLF, value in a radio frequency identification, RFID, tag device, by continuously evaluating incoming waveforms. Upon detecting the start of a TRCAL symbol a first and a second clock driven counters are initialized. The first counter is associated with a first divide ratio and the second counter is associated with a second divide ratio. The counters are incremented every clock cycle until the end of the TRCAL symbol is detected. At the end of the query command the divide ratio is determined, and the corresponding counter is selected. The counter value is stored as BLF indicator and indicates the BLF. Also disclosed is an RFID tag.
Anmelder
- Firma
- NXP B.V.
- Land
- 🇳🇱 Niederlande
Niederländischer Halbleiterhersteller mit Sitz in Eindhoven. Entwickelt Chips und Halbleiterlösungen für Automobiltechnik, Kommunikation, Sicherheit sowie industrielle Anwendungen.
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