MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641061449 A) filed by Vellore Institute Of Technology, Chennai, Tamil Nadu, on May 14, for 'input device with energy harvesting using piezoelectric element.'
Inventor(s) include Jeyanthi S; Vinoth Kumar; Sai Charan B. G.; and Ravi S.
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: "The present disclosure provides an input device (100) with energy harvesting using piezoelectric element. The input device (100) to generate and utilize electrical energy from mechanical interaction. The input device (100) includes a plurality of keys (110) and a piezoelectric element (104) coupled to the plurality of keys (110). The piezoelectric element (104) includes a polyurethane (PU) foam composite configured to generate electrical energy upon deformation induced by user interaction. One or more electrodes (118) are arranged to collect electrical charges generated by the piezoelectric element (104). An energy harvesting layer (102) may be coupled to the one or more electrodes (118). The energy harvesting layer (102) may be configured to process and regulate the collected electrical energy. The polyurethane (PU) foam composite includes a porous structure enabling enhanced deformation and efficient energy generation under varying interaction conditions, thereby facilitating self-powered operation of the input device (100)."
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