US Patent Issued to CANON on Sept. 15 for "Driving circuit and printing apparatus" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,801, issued on Sept. 15, was assigned to CANON K.K. (Tokyo).

"Driving circuit and printing apparatus" was invented by Ken Ishii (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piezoelectric element driving circuit includes: a power supply including a positive electrode outputting a positive voltage and a negative electrode outputting a negative voltage; first and third switching elements including input terminals connected to the positive electrode; second and fourth switching elements including input terminals connected to the negative electrode; a first resistor connecting an output terminal of the first switching element and a ...