US Patent Issued to ROSEMOUNT TANK RADAR on April 14 for "Loop-powered field device with improved loop current control" (Swedish Inventor)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,625, issued on April 14, was assigned to ROSEMOUNT TANK RADAR AB (Molnlycke, Sweden).

"Loop-powered field device with improved loop current control" was invented by Leif Nilsson (Linkoping, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A field device comprising a first loop terminal and a second loop terminal; a measurement unit; a loop current control device for controlling the loop current to encode a process variable determined by the measurement unit, the loop current control device being provided in the electric circuit between the first loop terminal and an a first node of the electric circuit; an asymmetrically conducting device prov...