MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641124417 A) filed by Vellore Institute Of Technology on October 16, 2026, for A System And Method For Bidirectional Airflow-Adaptive Dual-Plant Active Noise Cancellation In Open Ventilation Ducts.

Inventors include Kalaivani S; Kalaiarasi Ng; Dhurga J; Kishore Ganesh Va; and Deepak Kumar S.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: The present disclosure proposes a system (100) for airflow-adaptive dual-plant active noise cancellation in open ventilation ducts, integrating dual-MEMS sensing, spatial coherence filtering, airflow estimation, simultaneously updated secondary-path models, air...