US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on Feb. 17 for "Direction detection device, acquisition method of phase difference table, direction detection method, and direction detection program" (Japanese Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,977, issued on Feb. 17, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Direction detection device, acquisition method of phase difference table, direction detection method, and direction detection program" was invented by Noriyasu Kato (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A direction detection device that detects an arrival direction of a received wave includes: antennas arrayed in at least a one-dimensional direction; a phase difference imparting unit that imparts phase differences different depending on arrival directions of received waves; a storage unit that stores therein a phase difference table in which for each o...