ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,920, issued on June 17, was assigned to TADANO LTD. (Kagawa, Japan).
"Crane and crane control method" was invented by Kazuma Mizuki (Kagawa, Japan), Shinsuke Kanda (Kagawa, Japan) and Tatsuya Yanagisawa (Kagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a crane including: an operable function part; an actuator; a generation part; a filter part filtering a first control signal and generating a second control signal; a control part controlling the actuator based on the second control signal; and a computation part computing information relating to a flow quantity estimated as the operable function part moving, if a stop signal h...