Intellectual Property India Publishes Patent Application for A Wearable Multimodal Closed-Loop Biofeedback System For Real-Time Stress And Anxiety Regulation

MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202641085262 A) filed by Dr. J. Suganthi Vinodhini; Mr. P. Karthikeyan; Dr. T. Chitra; Ms. Swetha Menon Np; Mr. S. Senthil Kumaran; Mrs. R. Tharani; Mr. R. Thamarai Kannan; Dr. V. Vignesh; Mrs. A. Suganya; Mr. G. K. Senthil Kumar; Dr. Anita Titus; and Dr. Jose Anand A. on July 12, 2026, for A Wearable Multimodal Closed-Loop Biofeedback System For Real-Time Stress And Anxiety Regulation.

Inventors include Dr. J. Suganthi Vinodhini; Mr. P. Karthikeyan; Dr. T. Chitra; Ms. Swetha Menon Np; Mr. S. Senthil Kumaran; Mrs. R. Tharani; Mr. R. Thamarai Kannan; Dr. V. Vignesh; Mrs. A. Suganya; Mr. G. K. Senthil Kumar; Dr. Anita Titus; and Dr. Jose Anand A..

The application for the patent was published on July 17, 2026, under issue no. 29/2026.

Abstract: The present invention discloses a wearable multimodal closed-loop biofeedback system for real-time regulation of stress-associated physiological arousal. The system includes a wearable housing, at least two physiological sensors, a motion-sensing unit, a sensor- contact assessment unit, a processing unit, a memory, a physiological state estimation engine, a feedback-response verification engine and at least one skin-coupled sensory feedback actuator. The processing unit generates signal-quality values according to movement and sensor-contact information, rejects or reduces unreliable physiological signals, and compares accepted signals with a personalised physiological baseline. A confidence-weighted physiological state value is generated and used to select haptic, thermal, pressure, acoustic or visual feedback. Physiological parameters acquired before, during and after the feedback are compared to determine a response-effectiveness value. When the response is insufficient, at least one feedback parameter is dynamically modified. The system thereby provides personalised, artefact-resistant and locally executable closed-loop biofeedback without requiring continuous external connectivity. Accompanied Drawing [FIGS. 1-2]

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