The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 2023
Filed:
Mar. 20, 2019
Tokyo Keiki Inc., Tokyo, JP;
Tadashige Hakoyama, Tokyo, JP;
Osamu Yagi, Tokyo, JP;
Tokyo Keiki Inc., Tokyo, JP;
Abstract
A ship navigation assisting device includes: an area setterthat sets, for a target ship, a polygonal safe navigation area defined by a plurality of vertices and surrounding the target ship; a collision point calculatorthat calculates, based on a speed of the own ship, a relative position between the own ship and the target ship, and a velocity vector of the target ship, collision points between each of the plurality of vertices constituting the safe navigation area and the own ship; and a collision danger area calculatorthat connects the plurality of collision points calculated by the collision point calculatorto calculate a collision danger area.