ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,690, issued on April 21, was assigned to DMG MORI Ultrasonic Lasertec GmbH (Stipshausen, Germany).

"Method and system for controlling an ultrasound generator of a machine tool for machining a workpiece" was invented by Heiko Marx (Morbach, Germany), Viktor Dolinger (Bernkastel-Kues, Germany) and Fabian Franzmann (Veitsrodt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a system and a method for controlling an ultrasound generator of a machine tool for generating ultrasound for machining a workpiece. According to the invention, a determined phase shift of the ultrasound is analyzed as a function of frequency and, ba...