ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,135, issued on April 29, was assigned to BRITISH TELECOMMUNICATIONS PLC (London).
"Electromagnetic field detector" was invented by Liam Bussey (London), Amelia Lees (London), Fraser Burton (London), Marco Menchetti (London) and Timothy Whitley (London).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention provides a method of detecting a photon in a first frequency range, the method comprising the steps of: exciting a first transmission medium by a first probe signal at a first probe frequency, wherein the first probe signal excites electrons of the first transmission medium from a ground state of the first transmission medium to a first excit...