ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,030, issued on Sept. 23, was assigned to Murata Machinery Ltd. (Kyoto, Japan).
"Traveling vehicle system" was invented by Kazuma Yagawa (Ise, Japan) and Kazuhiro Ishikawa (Inuyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A traveling vehicle system (10) is configured such that, in a shared area (12B), a first detectable part (35A, 35B) is disposed at a position detectable by a first detector (85A, 85B) and a second detectable part (36A, 36B) is disposed at a position undetectable by the first detector (85A, 85B) when a first traveling vehicle (7A) is located in a first position (P1), and the second detectable part (36A, 36B) is disposed...