ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,656, issued on May 20, was assigned to SHINMAYWA INDUSTRIES LTD. (Takarazuka, Japan).
"Passenger boarding bridge monitoring device" was invented by Wataru Shimomori (Takarazuka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a passenger boarding bridge monitoring device, for passenger boarding bridges each including: a rotunda; a tunnel unit; a travel device; a cab; and detectors that detect a rotational angle of the rotunda and the cab and a length of the tunnel unit. The monitoring device calculates a current position of a virtual line based on detection values of the respective detectors of the one bridge, the virtual line being...