MUMBAI, India, Feb. 27 -- Intellectual Property India has published a patent application (202541133486 A) filed by Dr. Mahalingam College Of Engineering And Technology, Coimbatore, Tamil Nadu, on Dec. 30, 2025, for 'battery less rf powered smart id tag with wireless triggered visual identification.'

Inventor(s) include Sam Suresh J.

The application for the patent was published on Feb. 27, under issue no. 09/2026.

According to the abstract released by the Intellectual Property India: "The battery less RF powered smart ID tag identifies the objects in the warehouses and the dark environment where power is an issue. The RF energy transmitted from the WIFI access point is received using an antenna, and the received signal is converted into DC power with the help of the rectifier circuit. The DC power is stored in a capacitor. The microcontroller with the identification code is powered using the stored energy, and the LED is illuminated once the actual ID code is received from the mobile app. This idea of smart ID tags detects objects in the warehouse and dark environments without a battery, easing the usage of object identification and eliminating the need for a power source, which reduces the cost of power source replacement and maintenance."

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