MUMBAI, India, May 1 -- Intellectual Property India has published a patent application (202611022619 A) filed by Chitkara University, Solan, Himachal Pradesh, on Feb. 25, for 'acoustic energy harvesting and noise reduction system.'
Inventor(s) include Dr. Meenu Khurana; and Dr. Monika Parmar.
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: "An acoustic energy harvesting and noise reduction system, comprising an external acoustic absorber panel 101 to reduce surrounding noise, a movable acoustic baffle 103 to change the chamber's internal dimensions, a variable volume wall 104 to adjust the cavity size dynamically so that the chamber's resonance matches the dominant ambient sound frequency, a piezoelectric transducer matrix 106 to convert chamber 102 vibrations into electrical charges, a plurality of electromagnetic generators to generate current through electromotive induction in response to mechanical oscillations, a plurality of vibro-acoustic amplification plates 107 to enhance and transmit mechanical oscillations from the resonant chamber 102 to the transducer matrix 106 and generators, a 3D printed acoustic lens 108 to focus incoming sound waves toward the resonant chamber 102 to increase vibration amplitude, and a power management and storage circuit 202 to stabilize and deliver the generated power to external low power electronic loads."
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