US Patent Issued to Miniswys S.A, MITSUMI ELECTRIC on Sept. 2 for "Driving-unit operation method and controller" (Japanese, Swiss Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,440, issued on Sept. 2, was assigned to Miniswys S.A (Biel/Bienne, Switzerland) and MITSUMI ELECTRIC Co. LTD. (Tokyo).

"Driving-unit operation method and controller" was invented by Yoichi Itagaki (Tokyo), Masahiro Ishikawa (Tokyo), Daisuke Yamaguchi (Tokyo), Michael Brumann (Bienne, Switzerland) and Raphael Hoesli (Nidau, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A driving-unit operation method includes: generating pulse blocks on the basis of driving pulses; and modifying a driving signal in accordance with a position error signal. In the modifying the driving signal, when the position error signal is in a first range, the shape o...