ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,685, issued on April 8, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).
"Calibration apparatus, calibration method, and recording medium having recorded thereon calibration program" was invented by Keita Okada (Tokyo) and Takahito Hara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a calibration apparatus comprising: a driving control unit to drive an object provided with a lens in a movable range for moving the object in an optical axis-direction by sequentially controlling a plurality of drive units configured to drive the object within each of a plurality of sections into which the movable range is divided, in calibrati...