MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202641050502 A) filed by Sona College Of Technology, Salem, Tamil Nadu, on April 21, for 'a portable system and method for real-time indoor environmental quality monitoring.'
Inventor(s) include Ramesh Kumar A; Hari Prasath K; Arun J; and Manikandaprabu P.
The application for the patent was published on May 1, under issue no. 18/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a portable indoor environmental quality (IEQ) monitoring system and method for real-time multi-domain environmental assessment. The system comprises a plurality of heterogeneous environmental sensing units configured to measure particulate concentration, gaseous pollutants, temperature, humidity, illuminance, and sound levels. A signal conditioning unit digitizes sensor outputs, and a processing unit performs normalization, threshold comparison, classification, weighted impact computation, and cumulative aggregation. A structured IEQ index computation module electronically integrates the classified environmental parameters using stored numerical weight coefficients to generate a single quantified indoor environmental quality comfort output. The output represents a combined assessment of air quality, thermal comfort, visual comfort, and acoustic comfort. A display interface presents real-time parameter values and the unified comfort output, enabling identification of comfort-degrading factors. The system is portable, modular, and powered by an onboard electrical supply, providing low-cost, standalone indoor environmental monitoring."
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