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. 16, 2025
Filed:
Mar. 27, 2024
Denso Corporation, Kariya, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A data communication system includes a center device that places update data in a content delivery network (CDN); and a master device that installs the update data downloaded from the CDN in an electronic control unit to be reprogrammed. The center device is connected to CDNs of a plurality of business operators, selects a CDN with a superior distribution cost from the CDNs of the plurality of business operators according to at least one of a distribution method, a distribution area, a communication protocol, and a distribution data size, and places the update data in the selected CDN without encrypting the update data. The master device establishes transport layer security (TLS) with the CDN, and then downloads the update data from the CDN.