ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,103, issued on Dec. 2, was assigned to Proterial Ltd. (Tokyo).
"Position detection device" was invented by Yohei Shirakawa (Tokyo), Yuta Sugiyama (Tokyo), Yoshiaki Yanagisawa (Tokyo), Yoshitake Ageishi (Tokyo) and Yukio Ikeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection device detects a position of a moving member moving backward and forward in a predetermined moving direction. The position detection device includes an exciting coil disposed along the moving member and extending in the moving direction, a detection coil that outputs a voltage corresponding to a position of a detection target portion moving with the movin...