ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,407, issued on July 21, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Sensing apparatus for detecting intensity of an external magnetic field and compensating for an amount of change of a sensor output" was invented by Sung Wook Byun (Seoul, South Korea) and Chang Hwan Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An embodiment discloses a sensing apparatus comprising: a rotor; a stator disposed corresponding to the rotor; a first collector disposed on one surface of the stator; and a second collector disposed below the first collector. The stator includes a stator tooth that includes a body and a tooth, the fir...