ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,659, issued on Sept. 2, was assigned to JAPAN AVIATION ELECTRONICS INDUSTRY Ltd. (Tokyo).
"Measuring apparatus, measuring method and recording medium" was invented by Keita Hamakawa (Tokyo), Yusuke Inoue (Tokyo), Hiroyuki Takahashi (Tokyo) and Takazumi Yamada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The attitude of an excavating part during excavation is accurately measured. A measuring apparatus of the present invention executes an attitude estimating processing and a phase correction amount calculating processing. The phase correction amount calculating processing calculates an offset between a gravity tool face and a magnetic force t...