This inventor holds 1 USPTO granted patent and 1 published patent application. Top assignee: Espressif Systems (Shanghai) Pte Ltd. Active years: 2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2026
Title: Zhaocheng Zhan and Wi-Fi-Based Human Detection
Introduction
Zhaocheng Zhan is an inventor associated with Espressif Systems (Shanghai) Pte Ltd. His patent work includes a method that uses Wi-Fi signals to detect human presence and activity.
Latest Patents
Zhan is named on 1 patent, titled “WiFi-Based Human Body Detection Method, and Smart Device.” The invention describes selecting a device that provides sub-carrier data, collecting and filtering channel frequency responses, and analyzing sub-carrier amplitudes. It uses correlation coefficients to assess human presence and distance measurements to assess activity. The system combines these results with thresholds to determine a human-body state and report it to a cloud server. The disclosure also covers a smart device configured to perform the method.
Career Highlights
Zhan’s listed patent connects his inventive work with Espressif Systems (Shanghai) Pte Ltd. The disclosed technology applies Wi-Fi signal analysis to human-presence and activity detection.
Collaborations
The patent identifies Zhan and describes a smart device and cloud server as components of the detection system. The provided information does not specify additional co-inventors or collaborators.
Conclusion
Zhaocheng Zhan’s patent presents a Wi-Fi-based approach to detecting human presence and activity, linking signal analysis with smart-device and cloud reporting capabilities.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile