ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,932, issued on April 14, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).
"Drive control device and ultrasonic motor system" was invented by Mitsushiro Terasawa (Nagaokakyo, Japan), Yuzo Mizushima (Nagaokakyo, Japan) and Takahito Kushima (Nagaokakyo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive control device is provided that vibrates a vibrating body by applying signals having mutually different phases to a plurality of electrodes provided at a piezoelectric element on the vibrating body. The drive control device includes a signal application unit that selectively applies a signal to an electrode of the plurality ...