US Patent Issued to ESPRESSIF SYSTEMS (SHANGHAI) on Sept. 1 for "Wifi-based human body detection method, and smart device" (Chinese Inventor)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,107, issued on Sept. 1, was assigned to ESPRESSIF SYSTEMS (SHANGHAI) Co. LTD. (Shanghai).

"Wifi-based human body detection method, and smart device" was invented by Zhaocheng Zhan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a Wi-Fi based human body detection method, which includes selecting a sub-carrier data source device by a smart device, acquiring sub-carrier channel frequency responses, checking and filtering out invalid sub-carrier channel frequency responses, obtaining sub-carrier amplitudes, and grouping to obtain a plurality of datasets. Each data set is divided into multiple sub-datasets accordi...