ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,282, issued on Nov. 11, was assigned to Google LLC (Mountain View, Calif.).
"Using ambient light sensors and ambient audio sensors to determine sleep quality" was invented by Kenneth Mixter (Mountain View, Calif.) and Ashton Udall (Mountain View, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "During a sleep session of a user of a display assistant device, the device records sound, movement, and ambient conditions in proximity to the device. The ambient conditions include a light level. The device analyzes the recorded sound and movement to identify throughout the sleep session of the user a time-varying sleep state of the user. The sleep stat...