ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,336, issued on Nov. 18, was assigned to Visa International Service Association (San Francisco).
"Powered NFC communication booster and extender" was invented by Yuexi Chen (Foster City, Calif.) and Mustafa Top (San Ramon, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments provide for a method of allowing for communication between a portable device comprising a portable device NFC antenna and a user device comprising a user device NFC antenna using a bridge apparatus comprising a large coil, a small coil, and an amplifier circuit electrically coupling the large coil and the small coil. The method includes the small coil in the bridge a...