US Patent Issued to Hitachi on Dec. 30 for "Distance measurement system and distance measurement method" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,668, issued on Dec. 30, was assigned to Hitachi Ltd. (Tokyo).

"Distance measurement system and distance measurement method" was invented by Tatsuo Hariyama (Tokyo), Masahiro Watanabe (Tokyo), Atsushi Taniguchi (Tokyo) and Kenji Maruno (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the present invention, a measured distance is corrected in accordance with change in the surrounding environment. A distance measurement system includes: a first light-receiving unit configured to irradiate an object with one part of a split light beam as assessment light, and receive light reflected by the object to detect a target assessment beat sign...