US Patent Issued to xMEMS Labs on March 25 for "Air-pulse generating device producing asymmetric air pulses" (American, Taiwanese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,262,177, issued on March 25, was assigned to xMEMS Labs Inc. (Santa Clara, Calif.).

"Air-pulse generating device producing asymmetric air pulses" was invented by Jemm Yue Liang (Sunnyvale, Calif.), Jye Ren (Taipei, Taiwan) and Eldwin Jiaqiang Ng (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air-pulse generating device includes a film structure. The film structure is driven to form an amplitude-modulated ultrasonic air pressure variation with an ultrasonic carrier frequency. The film structure is driven to form an opening at a rate synchronous with the ultrasonic carrier frequency. The air-pulse generating device produces a plural...