ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,638, issued on Aug. 5, was assigned to Purdue Research Foundation (West Lafayette, Ind.).

"Communication and powering system for an implanted smart device and uses of the same" was invented by Shreyas Sen (West Lafayette, Ind.), Mayukh Nath (West Lafayette, Ind.) and Arunashish Datta (West Lafayette, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device comprising a transmitter coil having variable transmission resistance, a first transmission impedance, and a second transmission impedance; an implanted device, comprising a receiver coil having a variable reception resistance, a first reception impedance, and a second reception impeda...