US Patent Issued to Apple on March 31 for "Real time determination of pedestrian direction of travel" (California Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,801, issued on March 31, was assigned to Apple Inc. (Cupertino, Calif.).

"Real time determination of pedestrian direction of travel" was invented by Mark P. Sena (Larkspur, Calif.) and Jaehyun Bae (San Carlos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments are disclosed for real time estimation of DoT. In some embodiments, a method comprises: obtaining inertial acceleration data from a motion sensor of a mobile device worn or held by a user; computing a frequency spectrum of the acceleration data to generate horizontal and vertical frequency components at a step frequency of the user; constructing an acceleration trajectory of th...