ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,556,360, issued on Feb. 17, was assigned to THINE ELECTRONICS INC. (Tokyo).

"Signal transmitting and receiving device and bidirectional communication system" was invented by Shuhei Tsuruhara (Tokyo) and Shunichi Kubo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional communication system includes a signal transmitting and receiving device and a signal transmitting and receiving device that perform bidirectional communication via a transmission path. The signal transmitting and receiving device includes a driver, a filter, a receiver, and a controller. The receiver recovers a clock signal by performing frequency locking on a training p...