ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,484,122, issued on Nov. 25, was assigned to Hella GmbH & Co. KGaA (Lippstadt, Germany).

"Control and/or regulating system, circuit arrangement and method for actuating light-emitting diodes (LEDs) in an LED field" was invented by Shaham Nemati (Dortmund, Germany), Dieter Nietfeld (Paderborn, Germany) and Bernd Schulte-Eversum (Geseke, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for operating a control and/or regulating system for a light emitting diode field. At least two first outputs are provided at which control signals for controlling controllable switch elements of the light emitting diode field are tapped. A second ...