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.

Date of Patent:
Oct. 10, 2023

Filed:

Feb. 17, 2021
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Tomokazu Moriya, Tokyo, JP;

Takumaru Nagai, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); H04L 67/12 (2022.01);
U.S. Cl.
CPC ...
H04L 63/1416 (2013.01); H04L 63/0209 (2013.01); H04L 63/1425 (2013.01); H04L 67/12 (2013.01);
Abstract

In a vehicle abnormality detection device, when a transmission and reception unit receives abnormality information of a first control device on an in-vehicle network configured by a plurality of layers via a firewall, an abnormality cause candidate acquisition unit acquires a candidate for a second control device that may cause the abnormality of the first control device. An abnormality information management unit manages the first control device and the second control device as abnormality cause control devices when the second control device in which an abnormality occurs before a time when the abnormality of the first control device is detected is detected from the candidate acquired by the abnormality cause candidate acquisition unit.


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