MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202631019924 A) filed by Guru Nanak Institute Of Technology, Kolkata, West Bengal, on Feb. 20, for 'a radar-based contactless mattress-pad-like bedside system for cardio-respiratory monitoring.'
Inventor(s) include Madhurima Sarkar; Dola Saha; Debashruti Ganguly; Samrat Sinha; Sudipto Mondal; and Tirtharaj Bhattacharya.
The application for the patent was published on May 29, under issue no. 22/2026.
According to the abstract released by the Intellectual Property India: "A contactless bedside cardio-respiratory monitoring system implemented in a mattress-pad-like sensing panel using an ESP-based radar sensing and processing module, an RF radar front-end and analog signal conditioning to detect micro-movements of a subject's thoracic region and to extract respiratory rate and heart rate without physical contact or bed attachment. Embedded processing separates respiratory and cardiac components, performs presence confirmation, sleep/awake classification, distance and position validation, and adaptive night-mode operation, and compares parameters with thresholds to generate alerts. Monitored parameters and alerts are transmitted in real time to a nearby user device via a local wireless interface, enabling hygienic, redeployable, privacy-preserving bedside monitoring without mandatory cloud dependency."
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