ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,135, issued on May 13, was assigned to NIANTIC INC. (San Francisco).
"Magnetic sensor calibration using VIO system" was invented by Ben Benfold (Oxford, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure describes a method for calibrating a magnetic sensor of a client device. The method may include receiving a set of magnetic field measurements, each of which includes a device location, an orientation of the client device, and an observed magnetic field vector measured by the magnetic sensor. The method may include computing a device correction vector for the client device based on the set of magnetic field measurements. For...