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:
Aug. 21, 2018

Filed:

Nov. 17, 2017
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventor:

Kunihiro Murakami, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); G07C 9/00 (2006.01); H04L 29/08 (2006.01); H04W 4/40 (2018.01); H04W 12/06 (2009.01);
U.S. Cl.
CPC ...
H04L 63/0869 (2013.01); G07C 9/00309 (2013.01); H04L 67/125 (2013.01); H04W 4/40 (2018.02); H04W 12/06 (2013.01); G07C 2009/00547 (2013.01);
Abstract

An in-vehicle authentication system is disclosed. The in-vehicle authentication system includes a first authentication object apparatus; and a second authentication object apparatus configured to perform communication with the first authentication object apparatus. The first authentication object apparatus and the second authentication object apparatus are configured to perform mutual authentication via the communication such that a relationship between an authenticating side and an authenticated side is exchanged, and at least one of the first authentication object apparatus and the second authentication object apparatus transmits, to a counterpart, an authentication response in response to an authentication response demand from the counterpart and an authentication response demand from itself to the counterpart by a single transmission signal.


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