US Patent Issued to Massachusetts Institute of Technology on Nov. 3 for "Active piezoelectric sheet with piezoelectric microstructures" (Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,786,638, issued on Nov. 3, was assigned to Massachusetts Institute of Technology (Cambridge, Mass.).

"Active piezoelectric sheet with piezoelectric microstructures" was invented by Jinchi Han (Cambridge, Mass.), Jeffrey H. Lang (Sudbury, Mass.) and Vladimir Bulovic (Lexington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An active acoustic system includes a thin-film sheet having an array of piezoelectric microstructures embossed in the film. Each piezoelectric microstructure may act as a speaker and/or a microphone. A control circuit is configured to individually address the piezoelectric microstructures to provide a separate voltage signal to, ...