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Feedback-based adaptive load modulation (ALM) for a near field communication (NFC) device

  • US 9,590,701 B2
  • Filed: 07/27/2015
  • Issued: 03/07/2017
  • Est. Priority Date: 09/08/2014
  • Status: Active Grant
First Claim
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1. A near field communication (NFC) device, comprising:

  • a modulator configured to modulate information onto a carrier wave; and

    a controller module configured to;

    activate a response timer upon transmission of the modulated information to a second NFC device, andcause the NFC device to dynamically adjust an operating characteristic of the NFC device when a response to the modulated information is not received from the second NFC device before expiration of the response timer.

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