US Patent Issued to NEC on July 21 for "Power source circuit and ocean-floor optical cable" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,448, issued on July 21, was assigned to NEC Corp. (Tokyo).

"Power source circuit and ocean-floor optical cable" was invented by Narihiro Arai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power source circuit includes circuit elements each including: a current control circuit including a DC/DC converter that inputs a predetermined voltage and outputs a voltage adjusted based on a control signal, to a load operated by feeding a predetermined current, a voltage dividing resistor that generates a reference voltage according to a voltage output from the DC/DC converter, a current detecting resistor that generates a current detecting voltage ac...