US Patent Issued to Nippon Telegraph and Telephone on June 10 for "Transmission side transmission device and redundancy method of transmission side transmission device" (Japanese Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,785, issued on June 10, was assigned to Nippon Telegraph and Telephone Corp. (Tokyo).

"Transmission side transmission device and redundancy method of transmission side transmission device" was invented by Katsuhiro Araya (Musashino, Japan), Hiroto Takechi (Musashino, Japan), Yasutaka Sugano (Musashino, Japan), Masahiro Yokota (Musashino, Japan) and Hideki Maeda (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transmission side transmission device includes: a first transmitter including a first switch; and a second transmitter including a second switch. A main signal is input to either the first transmitter or the second transmitter...