US Patent Issued to xMEMS Labs on Sept. 9 for "Sound producing device and method" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,558, issued on Sept. 9, was assigned to xMEMS Labs Inc. (Santa Clara, Calif.).

"Sound producing device and method" was invented by Jemm Yue Liang (Sunnyvale, Calif.) and Hsi-Sheng Chen (Fremont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The sound producing device includes a shutter element configured to obscure an aperture positioned to receive an amplitude-modulated acoustic wave; a blind element, wherein the aperture is formed within the blind element; and an amplitude-modulation means, configured to generate an amplitude-modulated acoustic wave toward the aperture; wherein the amplitude-modulated acoustic wave is produced according t...