ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,694, issued on Sept. 23, was assigned to NIDEC INSTRUMENTS Corp. (Nagano, Japan).
"Optical unit with shake correction function" was invented by Tsutomu Arai (Nagano, Japan), Takeshi Sue (Nagano, Japan) and Shinji Minamisawa (Nagano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an optical unit with a shake correction function, a cylindrical holder having an inner peripheral side on which a camera module is fixed is composed of metal. In the optical unit with a shake correction function, a case-side protrusion projecting toward the inner peripheral side of a cylindrical case surrounding the outer peripheral surface of the holder is formed ...