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PROTECTION OF NEAR-FIELD COMMUNICATION EXCHANGES

  • US 20130130614A1
  • Filed: 01/07/2013
  • Published: 05/23/2013
  • Est. Priority Date: 01/29/2009
  • Status: Active Grant
First Claim
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1. A transmitter for protecting a first near-field communication (NFC) signal transmitted by a mobile device, the transmitter comprising:

  • a transmit circuit configured to;

    generate a first blocking signal having a carrier frequency of the first NFC signal such that the first blocking signal is transmitted while the first NFC signal is transmitted; and

    modulate the first blocking signal with a type of modulation of the first NFC signal; and

    a first antenna;

    communicatively coupled to the transmit circuit so as to radiate the first blocking signal, andconfigured to be coupled with the mobile device.

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