ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,712,245, issued on Aug. 18, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Gain invariant bidirectional phase shifter" was invented by Tolga Dinc (Dallas) and Swaminathan Sankaran (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bidirectional phase shifter includes a differential quadrature hybrid coupler, a switch network, and a differential reflection type phase shifter (RTPS). The differential quadrature hybrid coupler includes a first phase input/output (I/O) port, an inverse first phase I/O port, a second phase I/O port, and an inverse second phase I/O port. The switch network is coupled to the first phase I/O port, the inverse fir...