US Patent Issued to SEIKO WATCH on Feb. 24 for "Stepping motor control device, movement, watch, and stepping motor control method" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,661, issued on Feb. 24, was assigned to SEIKO WATCH K.K. (Tokyo).

"Stepping motor control device, movement, watch, and stepping motor control method" was invented by Ryota Oyokawa (Tokyo), Tomohiro Ihashi (Tokyo) and Masayuki Nakamura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a stepping motor control device that prevents a terminal voltage of a battery from decreasing even when a plurality of motors are driven simultaneously at a high speed. The stepping motor control device includes: a control unit configured to control a driving unit that drives a plurality of motors including a first motor driven at a prescribed driving cy...