Method, apparatus and system for wireless vital monitoring using radio frequency signals

The system uses wireless channel information to track keystrokes and monitor heart rate variability, addressing portability and privacy concerns, and provides accurate, non-contact motion detection with proximity awareness, enhancing smart device functionality.

JP2026009905APending Publication Date: 2026-01-21ORIGIN RES WIRELESS INC
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Patent Information

Application Number
JP2025152570
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2021-03-27
Filing Date
2025-09-12
Publication Date
2026-01-21

AI Technical Summary

Technical Problem

Existing technologies for wireless motion tracking, vital signs monitoring, and proximity sensing face challenges such as portability issues with physical keyboards, privacy concerns with vision-based approaches, discomfort with wearable sensors, and the need for accurate, non-contact HRV monitoring, as well as limitations in motion detection and localization for smart devices.

Method used

A system utilizing wireless channel information (CI) to track keystrokes, monitor heart rate variability, and detect motion proximity by processing wireless channel information, including systems and methods for wireless devices to transmit and receive signals, acquire time series of CI, and calculate proximity information.

Benefits of technology

Enables accurate, non-contact tracking of keystrokes and heart rate variability, and reliable motion detection with proximity awareness, overcoming portability and privacy issues while reducing the need for specialized hardware and complex setups.

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Abstract

Methods, apparatuses, and systems for wireless monitoring systems, wireless vital monitoring, and wireless proximity sensing are described.SOLUTION: A system includes a transmitter configured to transmit a first wireless signal over a wireless channel of a venue, a receiver configured to receive a second wireless signal over the wireless channel, and a processor. The second wireless signal comprises a reflection of the first wireless signal by at least one living being having at least one repetitive motion at the location. The processor is configured to obtain a time series (TSCI) of channel information of the wireless channel based on the second wireless signal, to generate, for each living being of the at least one living being, a vital signal representative of all repetitive movements of the living being based on the TSCI, to extract a heart rate signal from the vital signal of each living being, and to monitor heart rate variability based on the heart rate signal for each living being at the location.SELECTED DRAWING: Figure 1A
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