ALEXANDRIA, Va., May 5 -- United States Patent no. 12,617,464, issued on May 5, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Sensing device" was invented by Sung Wook Byun (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a sensing device comprising: a stator connected to a first shaft; a first gear rotating in engagement with the stator; a second gear rotating in engagement with the first gear; a magnet coupled to the second gear; and a magnetic element disposed corresponding to the magnet, wherein one surface of the magnet disposed facing the magnetic element has an elliptical shape. Accordingly, even when the center of the magnet disposed in the second gear and ...