ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,406, issued on Oct. 7, was assigned to Canon K.K. (Tokyo).
"Lens apparatus and image pickup apparatus" was invented by Tomohiko Sugiyama (Ibaraki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus including: a first frame holding a first optical element, a second frame holding a second optical element, a third frame holding a third optical element, in order along an optical axis; a first driving unit moving the first frame when energized and holding the first frame when unenergized; a second driving unit moving the second frame when energized and not holding the second frame when unenergized; a third driving unit moving the third fram...