US Patent Issued to Telefonaktiebolaget LM Ericsson on Sept. 23 for "Efficient transfer of power in a wireless power transfer system" (Swedish Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,879, issued on Sept. 23, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Efficient transfer of power in a wireless power transfer system" was invented by Gang Zou (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "Power is wirelessly transferred by means of radiative coupling from a wireless power transmitter, WPTx, (101) to a wireless power receiver, WPRx, (103). The WPTx (101) obtains (701, 709, 711) a set of conversion efficiency/input power relationships (501, 503, 505, 601, 603, 605, 651, 653, 655, 657, 659, 661) by, for each one of a plurality of different waveform types (300, 400), obtaining for said each one o...