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US 2014/0273836 A1Published application
Anticollision mechanism for an nfc device
AssigneeSTMicroelectronics (Rousset) SAS
InventorsPierre Rizzo, Nathalie Vallespin, Emmanuel Papart
Life of this patent
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Abstract
An anticollision method for an NFC device wherein, in reader mode, a variation of a piece of information representative of the amplitude of the signal in an antenna of the device is monitored, and if this piece of information exceeds a threshold, the device is switched to the card mode.
Claims4
An anticollision method for an NFC device, comprising:
- in reader mode, monitoring a variation of a piece of information representative of the amplitude of the signal in an antenna of the device;
- and
- if this piece of information exceeds a threshold, switching the device to the card mode.
Dependencies are inferred from the claim text.