ALEXANDRIA, Va., March 12 -- United States Patent no. 12,248,011, issued on March 11, was assigned to British Telecommunications PLC (Great Britain).
"Electromagnetic field receiver" was invented by Fraser Burton (London), Marco Menchetti (London), Liam Bussey (London) and Amelia Winterburn (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure provides an electromagnetic field detector, and a method of operating the electromagnetic field detector in a wireless telecommunications network, the electromagnetic field detector including a first optical transmitter, a second optical transmitter, and a transmission medium, wherein the first optical transmitter is configured to transmit a probe sign...