ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,002, issued on Sept. 9, was assigned to OMRON Corp. (Kyoto, Japan).
"Optical interference range sensor" was invented by Kazuya Kimura (Kyoto, Japan), Masayuki Hayakawa (Kyoto, Japan) and Yusuke Nagasaki (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A light source projects a light beam. An interferometer includes a splitting unit that splits the light beam. The interferometer generates interference beams with the respective split light beams. Each of the interference beam is generated by interference between a measurement beam radiated toward the measurement target and reflected at the measurement beam and a reference beam passing thr...