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:
Nov. 18, 2025
Filed:
Oct. 08, 2020
Applicant:
Mitsubishi Electric Corporation, Tokyo, JP;
Inventors:
Assignee:
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); B60W 60/00 (2020.01); G06F 16/2457 (2019.01);
U.S. Cl.
CPC ...
G01C 21/3804 (2020.08); B60W 60/001 (2020.02); G01C 21/387 (2020.08); B60W 2556/40 (2020.02);
Abstract
It is an object of the present disclosure to provide a technique to make it possible to reduce data size of a file used for managing an update of a mesh file. A map data update apparatus updates a specific mesh file on the basis of an update necessity management file having a bit array in which respective positions of a plurality of bits are associated with respective mesh IDs of a plurality of mesh files, in which 1-bit flag information indicating the necessity of an update of the mesh file is stored at the position corresponding to the mesh ID of the mesh file in the bit array and the mesh ID of the specific mesh file.