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:
Dec. 03, 2024
Filed:
Mar. 05, 2020
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/32 (2006.01); G01C 21/00 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3867 (2020.08); G01C 21/32 (2013.01); G01C 21/3819 (2020.08);
Abstract
A management device includes processing circuitry configured to receive a plurality of inputs of road map data, refer to the road map data and generate a first polygon representing a lane region, generate, for a spatial mesh divided into a predetermined size, a second polygon representing a spatial index, and determine in which spatial mesh of a plurality of spatial meshes the first polygon exists, and in accordance with a result of the determination, and store data on the first polygon and data on the second polygon in a road coordinate database in association with each other.