US Patent Issued to NIPPON TELEGRAPH AND TELEPHONE on Aug. 12 for "Passive relay device and passive relay method" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,518, issued on Aug. 12, was assigned to NIPPON TELEGRAPH AND TELEPHONE Corp. (Tokyo).

"Passive relay device and passive relay method" was invented by Yosuke Takeuchi (Tokyo), Hisatoshi Kasahara (Tokyo), Yosuke Okamura (Tokyo), Junichiro Tamamatsu (Tokyo) and Tomoki Murakami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passive relay device (100) relays radio communication between the inside of a radio wave shielding structure (200) and the outside of the radio wave shielding the structure (200), and the device includes an internal antenna (10) which connects with the inside, an external antenna (20) which connects with the outside, and a c...