US Patent Issued to Canon on March 11 for "Control apparatus for vibration type motor, and driving apparatus" (Japanese Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,249,931, issued on March 11, was assigned to Canon K.K. (Tokyo).

"Control apparatus for vibration type motor, and driving apparatus" was invented by Hirotaka Shindo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A control apparatus for a vibration type motor includes a processor or circuit that serves as a driving signal generating unit configured to generate a driving signal of the vibration type motor; and a booster circuit configured to boost the driving signal. The driving signal generating unit changes a duty ratio of the driving signal based on a driving frequency of the vibration type motor or a current flowing through the vibration type ...