ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,917, issued on March 17, was assigned to Google LLC (Mountain View, Calif.).
"Spatial rediscovery using on-device hardware" was invented by Wei Liang Liu (Taoyuan, Taiwan) and Pei-Chen Chuang (Taipei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This document describes systems and techniques for facilitating spatial rediscovery using on-device hardware. For example, an audio input mechanism associated with a compact device can be activated and an audio signal can be generated by an audio output mechanism associated with an external device. The audio signal can be received at the audio input mechanism associated with the compact device. The...