×

NFC SYSTEM WAKEUP WITH ENERGY HARVESTING

  • US 20180034507A1
  • Filed: 08/01/2016
  • Published: 02/01/2018
  • Est. Priority Date: 08/01/2016
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • detecting, by an energy harvesting unit associated with a near field communication (NFC) system, an active external radio frequency (RF) field;

    generating, by the energy harvesting unit associated with the NFC system in response to the detecting, an output signal; and

    using the output signal to enable a switch to a power supply or an NFC protection circuit,wherein the switch allows for the power supply to provide power to the NFC system, or the switch allows for the NFC protection circuit to protect the NFC system.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×