US Patent Issued to MITUTOYO on Sept. 8 for "Variable focal length lens device" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,676, issued on Sept. 8, was assigned to MITUTOYO Corp. (Kanagawa, Japan).

"Variable focal length lens device" was invented by Yuko Shishido (Kanagawa, Japan), Koji Kubo (Tokyo) and Tatsuya Nagahama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable focal length lens device includes: a variable focal length optical system configured to change a focal length; a beam splitter configured to cause passing light, which is reflected off an object and passes through the variable focal length optical system, to branch into branched beams; an image-forming lens configured to condense the branched beams respectively; an image sensor con...