ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,150, issued on Oct. 28, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Wireless communication device" was invented by Gang Zou (Lund, Sweden) and Andreas Kristensson (Sodra Sandby, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless communication device comprises: an antenna; a radio frequency transceiver, for generating signals for transmission through the antenna, the radio frequency transceiver being connectable to the antenna through a switch; a backscattering block, for generating reflected signals for transmission through the antenna in response to received RF signals, the backscattering block being connectab...