US Patent Issued to Amazon Technologies on June 2 for "Fast presence detection (FPD) of a person based on a breathing waveform" (California Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,441, issued on June 2, was assigned to Amazon Technologies Inc. (Seattle).

"Fast presence detection (FPD) of a person based on a breathing waveform" was invented by Kandarp Shah (San Jose, Calif.), Pratik Kalpesh Patel (San Jose, Calif.), Sai Prashanth Chinnapalli (Dublin, Calif.), Zheda Li (Mountain View, Calif.), Durga Laxmi Narayana Swamy Inti (San Jose, Calif.) and Suman Suhas Hosmane (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Technologies of a device-based Fast Presence Detection (FPD) for a contactless sleep-tracking device are described. One method of a sleep-monitoring device includes receiving radar data from a radar u...