US Patent Issued to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE on Feb. 11 for "Phase shifter for linearly shifting phase of input signal based on phase control signals" (South Korean Inventors)

ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,224,728, issued on Feb. 11, was assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Phase shifter for linearly shifting phase of input signal based on phase control signals" was invented by Seon-Ho Han (Daejeon, South Korea) and Bon Tae Koo (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a phase shift circuit including an input circuit for generating first to fourth internal signals based on an in-phase signal, a complementary in-phase signal, a quadrature phase signal, and a complementary quadrature phase signal and a switching circuit for outputting first to fourth shift signals ...