US Patent Issued to Sony Group on Nov. 4 for "Piezoelectric actuator drive method, piezoelectric actuator drive circuit, and piezoelectric actuator drive system" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,464,949, issued on Nov. 4, was assigned to Sony Group Corp. (Tokyo).

"Piezoelectric actuator drive method, piezoelectric actuator drive circuit, and piezoelectric actuator drive system" was invented by Hironobu Abe (Tokyo), Masahiro Sato (Tokyo) and Hiroya Takenaka (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is a piezoelectric actuator drive method, a piezoelectric actuator drive circuit, and a piezoelectric actuator drive system capable of causing a piezoelectric element to vibrate in a maximum amplitude state. The piezoelectric actuator drive circuit includes: an obtainment unit that obtains operation informati...