ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,468, issued on March 17, was assigned to SUZHOU HYC TECHNOLOGY Co. LTD. (Suzhou City, China).
"Optical comb generation device" was invented by Kazuhiro Imai (Tokyo) and Motonobu Kourogi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A purpose of the present invention is to provide an optical comb generation device capable of obtaining an absolute distance result with high accuracy by reducing a phase offset by a signal transmission path of an object other than an object to be measured, for example in an optical comb distance meter for measuring a distance from a time difference between an interference signal of a measuring light and an inter...