ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,103, issued on Jan. 20, was assigned to MURATA MANUFACTURING Co. LTD. (Kyoto, Japan).
"Acoustic-wave generating device" was invented by Shinichi Sasaki (Nagaokakyo, Japan) and Takaaki Asada (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic-wave generating device includes a drive circuit and a power auxiliary circuit. The drive circuit includes a capacitor chargeable via a direct-current power supply, and a drive switch to cause power to be supplied from the capacitor to an acoustic-wave source which produces heat through energization to generate acoustic waves. The power auxiliary circuit is operable to supplies power to ...