ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,831, issued on May 27, was assigned to HYUNDAI MOBIS Co. LTD. (Seoul, South Korea).
"Headlamp leveling device and headlamp leveling method for vehicle" was invented by Ji Eung Lee (Yongin-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A headlamp leveling device and a headlamp leveling method. The headlamp leveling device may include a control voltage generator that generates a control voltage based on a width of a pulse, a control integrated circuit (IC) that controls a rotation direction of a motor by comparing a voltage level of a feedback voltage with a voltage level of the control voltage, a shaft position detector that generates...