US Patent Issued to Telefonaktiebolaget LM Ericsson on Jan. 27 for "Quantum communication method and apparatus" (Hungarian Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,537,675, issued on Jan. 27, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Quantum communication method and apparatus" was invented by Benedek Kovacs (Budapest, Hungary), Zsolt Kis (Pilisvorosvar, Hungary), Laszlo Bacsardi (Sopron, Hungary) and Sandor Imre (Budapest, Hungary).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method (100) of quantum communication, the method comprising steps of: receiving (102) data for encrypted transmission on an optical channel; determining (104) a fill level of a key buffer storing shared secret key bits distributed by a quantum key distribution, QKD, system via the optical channel; determining (1...