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:
Jun. 23, 2026
Filed:
Nov. 04, 2021
Subaru Corporation, Tokyo, JP;
Masato Mizoguchi, Tokyo, JP;
Hajime Oyama, Tokyo, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A travel control assistance system for a vehicle includes assistance server apparatuses, and a map update server apparatus. The assistance server apparatuses generate data that assists in a travel control of the automobile, based on respective pieces of high-precision map data and transmit the data to the automobile. The map update server apparatus updates the high-precision map data held in the assistance server apparatuses. The high-precision map data held in the assistance server apparatuses include narrow-area high-precision map data and wide-area high-precision map data regarding a wide area including an area for the narrow-area high-precision map data. The narrow-area high-precision map data is held in the low-order assistance server apparatus. The wide-area high-precision map data is held in the high-order assistance server apparatus. The map update server apparatus updates the narrow-area high-precision map data and the wide-area high-precision map data based on common data.