ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,635, issued on Feb. 17, was assigned to Otis Elevator Co. (Farmington, Conn.).
"Floor identification using magnetic signature referencing and sensor fusion" was invented by Ankit Anand Gupta (Uttar Pradesh, India), Frank Higgins (Burlington, Conn.) and Sanket Mhadgut (Mumbai, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of monitoring a conveyance apparatus within a conveyance system including: detecting, using a magnetometer, a first magnetic signature within the conveyance system at a first time, the magnetometer being attached to the conveyance apparatus; comparing the first magnetic signature detected to a plurality of magnetic s...